Local Journeyperson Licensing • Columbus ICC F25 Example • 70 Questions • 180 Minutes • 70% Passing • Ohio Plumbing Code 2024 • Plumbing Fixtures • Water Supply • Drainage • Venting
Ready to prepare for an Ohio Journeyman Plumber examination? This guide explains how journeyman plumbing credentials work in Ohio, why local licensing matters, what Columbus requires, how the International Plumbing Code relates to Ohio's adopted plumbing code, and which study guides and courses are available from Contractor Exam Preps.
Plumbers keep clean water moving into buildings and wastewater moving out.
They install piping, fixtures, drains, vents, valves, water heaters, and equipment.
They also solve problems that most people would prefer not to think about before breakfast.
A correctly installed plumbing system protects health, property, and water quality.
That is why plumbing training, code knowledge, and practical experience matter.
Many plumbers pursue journeyman status after completing an apprenticeship or gaining significant field experience.
However, Ohio has an important licensing distinction.
Unlike states that issue one statewide Journeyman Plumber license, Ohio generally handles journeyman credentials through individual cities or local authorities.
The state operates a separate licensing system for commercial plumbing contractors.
No. Ohio does not operate a single statewide Journeyman Plumber license with one examination used in every jurisdiction.
Local authorities determine whether journeyman plumbing registration or licensing is required.
The process can vary by city.
Requirements may include practical experience, a completed apprenticeship, examination passage, application forms, and approval by a local board.
This means an applicant should begin by contacting the licensing authority where they plan to work.
It also means that an examination accepted by one city may not automatically satisfy another city's requirements.
The Ohio Construction Industry Licensing Board, commonly called OCILB, issues statewide commercial contractor licenses for several trades.
One of those trades is plumbing.
The Board operates within the Ohio Department of Commerce.
OCILB contractor licensing differs from municipal journeyman licensing.
The statewide plumbing contractor pathway generally requires substantial trade experience, Board approval, background checks, and the prescribed PSI examinations.
State-licensed plumbing contractors must also satisfy business responsibilities and insurance requirements.
Plumbers interested in opening or operating their own commercial plumbing contracting business should review the state contractor route separately.
A Journeyman Plumber is an experienced plumbing tradesperson who has reached a recognized level of practical training or qualification.
Journeymen often install, maintain, repair, and troubleshoot plumbing systems under the licensing framework of the area where they work.
Common responsibilities include water distribution, sanitary drainage, venting, fixture installation, pipe joining, testing, and system maintenance.
A local journeyman credential does not automatically authorize a plumber to advertise or perform independent plumbing contracting.
The City of Columbus expressly separates the journeyperson's trade role from the ability to enter plumbing contracts.
Columbus is one of the clearest examples of a local Ohio journeyman plumbing licensing process.
The City of Columbus Department of Building and Zoning Services issues a Journeyperson Plumber license.
Applicants must submit an application and receive the required local Board approval.
Columbus requires a passing score of at least 70% on the ICC National Standard Journeyman Plumber examination, F25.
The ICC's published national F25 examination outline describes 70 multiple-choice questions and an open-book, three-hour examination.
These are the national examination specifications available in the published reference outline.
Check the current ICC examination catalog and bulletin before scheduling because the approved code edition and testing details can change.
The City of Columbus provides two common experience pathways for journeyperson plumber applicants.
An applicant may qualify through at least five full years of plumbing experience installing building-services plumbing systems and related apparatus, including potable water systems.
Alternatively, the applicant may qualify by completing a United States Department of Labor-certified plumbing apprenticeship program.
Additional engineering-based alternatives exist under the local rules.
Applicants should prepare proof of their experience or apprenticeship completion before applying.
Applications are reviewed through the City's Skilled Trades Review Board process.
The application must be completed and notarized.
Candidates must provide qualifying examination results.
Local application and processing fees apply.
Applications must be submitted at least one week before the applicable Board meeting.
Once approved, applicants receive instructions for completing the licensing process.
Passing a test alone does not finish the application.
Columbus states that qualifying examination results remain valid for one year before a licensing application must be made.
Do not pass the F25 examination and place the result in a drawer indefinitely.
Plan your application so you can submit the results while they are valid.
Ohio's current commercial plumbing code is the 2024 Ohio Plumbing Code.
It became effective March 1, 2024.
The important detail is that the 2024 Ohio Plumbing Code is based on the 2021 International Plumbing Code, with Ohio-specific amendments.
It is not the same publication as the standalone 2024 International Plumbing Code.
That distinction matters when studying for plumbing examinations.
The latest Contractor Exam Preps Ohio Journeyman Plumber packages are marketed as being based on the 2024 IPC.
Those resources can help develop code knowledge and plumbing problem-solving skills.
However, the correct exam-room reference depends on the specific local ICC examination and its current approved bulletin.
Ohio's adopted state plumbing code also includes local amendments and installation requirements that may differ from the unamended model code.
The published ICC F25 examination outline focuses on major plumbing installation and code topics.
The primary categories include:
These are useful study subjects for both the ICC F25 examination and other local journeyman plumbing tests.
The exact topic percentages should be checked against the current edition of the ICC examination bulletin.
General regulations establish the basic rules for code-compliant plumbing work.
Study plumbing terminology, approved materials, installation methods, permits, inspections, and basic code administration.
Understand how definitions change the meaning of a requirement.
Review the difference between a mandatory rule and an exception.
Learn where tables, figures, and general provisions appear in your approved codebook.
Code navigation is a skill worth practicing every week.
Plumbing fixtures include water closets, lavatories, kitchen sinks, service sinks, showers, bathtubs, urinals, and drinking fountains.
Study fixture installation requirements, clearances, water connections, drainage, and required fixture counts.
Review accessible plumbing installation concepts.
Learn why proper connections and backflow protection help protect the potable water system.
Fixture questions may combine construction scenarios with specific code requirements.
Water-heater questions may involve installation, protection, piping connections, temperature regulation, discharge piping, and equipment safety.
Review temperature-and-pressure relief protection.
Learn the requirements for safe relief discharge.
Understand how water-heater location and appliance characteristics affect installation.
For fuel-burning equipment, review the appropriate fuel-gas and mechanical rules where they apply.
Water supply is one of the most important plumbing subjects.
Study potable water distribution, pipe sizing, pressure, flow demand, valves, fittings, water service, and cross-connection control.
Review backflow prevention.
Understand the difference between a water service line and the distribution piping inside a building.
Practice calculations involving fixture units, developed length, and pipe sizing.
Know how to use approved plumbing code tables.
Sanitary drainage removes wastewater from plumbing fixtures and carries it to an approved disposal system.
Study drainage fixture units, pipe size, slope, fittings, cleanouts, building drains, building sewers, and drainage connections.
Practice selecting correct drainage arrangements.
Review how changes in direction affect fittings and cleanout locations.
Understand why improper drainage can create blockages and health hazards.
Vents help protect trap seals and allow drainage systems to operate properly.
Study vent pipe sizing, vent connections, vertical and horizontal vent arrangements, vent terminals, and common venting methods.
Review individual vents, common vents, wet venting, circuit venting, and other arrangements covered by the relevant code.
Practice reading drawings that combine drainage and vent piping.
Venting is often one of the subjects that turns a confident plumber into a very thoughtful person holding a pencil.
Repeated diagram practice helps.
Traps protect buildings from sewer gases by maintaining an appropriate water seal.
Review trap design, trap seals, trap arm limitations, and prohibited configurations.
Study interceptors and separators used for specific waste conditions.
Learn how trap and interceptor requirements relate to plumbing fixtures and sanitary drainage.
Storm drainage carries roof runoff and other approved stormwater flows through a building's drainage system.
Study roof drains, rainwater leaders, storm piping, overflow drainage, and basic sizing.
Understand why primary and secondary drainage may both matter.
Review how rainfall rate, roof area, and pipe slope affect storm drainage design.
Plan reading is a valuable part of journeyman plumbing exam preparation.
Plumbers may need to interpret a two-dimensional plan or an isometric drawing that shows how piping connects in three dimensions.
Review symbols, pipe branches, fittings, drainage direction, vent connections, and fixture locations.
Practice recognizing where a code violation may occur in a diagram.
Learn to identify a fixture connection without being distracted by lines that cross but do not join.
Many plumbing questions become easier once you can picture the actual piping arrangement.
Mathematics supports pipe sizing, slope calculations, measurements, material estimates, and practical installations.
Practice converting fractions and decimals.
Review feet, inches, gallons, and basic volume calculations.
Understand percent slope and units of fall per foot.
Learn how developed pipe length affects sizing.
Use the approved code tables alongside your calculations.
Different plumbing systems require different materials.
Study copper, plastic piping, cast iron, steel, and approved specialty products.
Review material compatibility, joints, fittings, supports, corrosion protection, and testing.
Know that one approved piping method may not be acceptable in every location or application.
Plumbing workers may encounter excavations, ladders, power tools, confined spaces, hot work, chemicals, and electrical hazards.
Review relevant OSHA construction safety principles.
Study safe pipe handling, tool operation, excavation awareness, protective equipment, and jobsite procedures.
Safety is a practical skill, not just a line on a study outline.
A journeyman credential recognizes an individual's trade qualification under the applicable local rules.
A plumbing contractor license authorizes regulated contracting activity within its legal scope.
For statewide Ohio commercial plumbing contractor licensing, OCILB requires candidates to qualify for the contractor license and complete the applicable state examination process.
It is a separate path from the Columbus F25 Journeyperson Plumber examination.
Do not use contractor exam question counts, fees, or Business and Law requirements as if they were the journeyman exam rules.
Applicants for Ohio's statewide commercial Plumbing Contractor license generally must be at least eighteen years old.
They must meet the Board's lawful eligibility and background requirements.
One qualifying pathway requires at least five years of plumbing tradesperson experience immediately before applying.
A registered engineer with the prescribed construction business experience may qualify through an alternative route.
Following application approval, candidates complete required background checks and examinations.
OCILB license holders must maintain at least $500,000 in liability coverage under the current state rules.
They must also follow applicable renewal and continuing education requirements.
This information is important for journeymen planning to become business owners, but it is not a substitute for local journeyman requirements.
The 2026 Ohio Journeyman Plumber Exam Prep Study Guide provides a collection of practice questions, answer explanations, plumbing code review, isometric exercises, and plumbing calculations.
The 2026 Ohio Journeyman Plumber Study Guide and Online Course adds video instruction, simulated computer-based testing, and downloadable study resources.
The 2026 Ohio Journeyman Plumber Complete Books, Tabs and Course Package adds a 2024 IPC book, tabs, flash cards, and additional study tools.
These products are based on the 2024 International Plumbing Code.
Ohio's currently adopted 2024 Ohio Plumbing Code is based on the 2021 IPC with state modifications.
The correct examination reference must be confirmed with the ICC or other local examination authority.
First, identify the jurisdiction where you intend to work.
Second, obtain that jurisdiction's current application requirements.
Third, confirm the examination name, provider, code edition, reference rules, fee, and passing score.
Fourth, organize your study materials around plumbing fixtures, water supply, drainage, venting, traps, water heaters, and plan reading.
Fifth, complete practice questions and isometric exercises.
Sixth, work through a timed practice examination.
Finally, prepare the application documents and confirm how long your passing examination results remain valid.
Good preparation begins with the correct exam and the correct book.
Once those are clear, the rest becomes a study plan instead of a guessing game.
Important Ohio Journeyman Plumber Update: Ohio does not issue one statewide Journeyman Plumber license or administer one uniform journeyman examination for every city. Columbus is a verified example of a local licensing jurisdiction. The City requires the ICC National Standard Journeyman Plumber F25 examination with at least 70% passing, along with five years of qualifying plumbing experience or a completed approved apprenticeship. The published national F25 exam outline describes 70 multiple-choice questions and a three-hour, open-book test. The current ICC bulletin controls approved reference editions and test-day rules. The 2024 Ohio Plumbing Code, effective March 1, 2024, is based on the 2021 IPC with Ohio changes. Contractor Exam Preps also sells newer 2024 IPC-based study products; these are not automatically the exact codebooks approved for Columbus or any other local examination. Ohio's OCILB commercial Plumbing Contractor license is a separate statewide credential.
An Ohio Journeyman Plumber is an experienced plumbing professional who meets the qualification requirements recognized by a local licensing jurisdiction.
Journeyman credentials may be required by certain cities before a plumber can perform the regulated trade work covered by local rules.
Columbus issues a Journeyperson Plumber license through its Department of Building and Zoning Services.
The City requires the ICC F25 examination and appropriate experience or apprenticeship completion.
A journeyman credential does not automatically authorize independent plumbing contracting.
Statewide journeyman license: No single uniform state credential.
Verified local example: Columbus Journeyperson Plumber.
Exam: ICC National Standard Journeyman Plumber F25.
Local passing score: At least 70%.
Separate state credential: OCILB commercial Plumbing Contractor.
| Requirement | Verified Information | Preparation |
|---|---|---|
| State | Ohio | Determine local authority. |
| Statewide Journeyman License | No Uniform State License | Check city or local rules. |
| Local Example | Columbus | Follow Columbus-specific rules. |
| Credential | Journeyperson Plumber | Complete local application. |
| Licensing Department | Columbus Building and Zoning Services | Use current department packet. |
| Reviewing Board | Skilled Trades Review Board | Meet Board requirements. |
| Exam Provider | ICC | Use current ICC exam catalog. |
| Required Columbus Exam | National Standard Journeyman Plumber F25 | Confirm current version. |
| Published F25 Question Count | 70 | Check current ICC bulletin. |
| Published F25 Time | 180 Minutes | Practice three-hour tests. |
| Published F25 Format | Open Book | Check approved references. |
| Columbus Passing Score | 70% | Target higher than minimum. |
| Columbus Experience Route | Five Full Years | Document plumbing employment. |
| Apprenticeship Route | Completed USDOL-Certified Program | Submit completion proof. |
| Other Eligibility Routes | Specified Engineering Alternatives | Review local application. |
| Application | Local Journeyperson Application | Complete and notarize. |
| Exam Results | Passing F25 Result | Submit with application. |
| Application Timing | At Least One Week Before Board Meeting | Submit on schedule. |
| Passing Result Validity | One Year Before Application | Apply promptly. |
| Columbus Exam Fees | Current ICC Fee Applies | Check at scheduling. |
| Local Licensing Fees | Current Columbus Fee Schedule | Confirm before applying. |
| Other Ohio Cities | Requirements May Differ | Contact local board. |
| Ohio Plumbing Code | 2024 Ohio Plumbing Code | Study Ohio amendments. |
| Code Effective Date | March 1, 2024 | Review adopted code. |
| Code Model Basis | 2021 International Plumbing Code | Know code distinction. |
| Standalone 2024 IPC | Different Model Code Publication | Not automatically exam-approved. |
| Exam-Day Code Reference | Current ICC F25 Bulletin | Verify edition. |
| Plumbing Fixtures | ICC Study Topic | Review installations. |
| Water Supply | ICC Study Topic | Practice pipe sizing. |
| Sanitary Drainage | ICC Study Topic | Review slope and fittings. |
| Venting | ICC Study Topic | Practice vent diagrams. |
| Traps | ICC Study Topic | Review trap requirements. |
| Storm Drainage | ICC Study Topic | Review roof drains. |
| Plan Reading | ICC Study Topic | Practice isometrics. |
| State Contractor Board | OCILB | Separate commercial contracting. |
| State Contractor Trade | Plumbing Contractor | Separate PSI examinations. |
| State Contractor Experience | Generally Five Years or Eligible Alternative | Board reviews qualifications. |
| Contractor Background Check | State and Federal | Complete after Board approval. |
| Contractor Liability Coverage | $500,000 Minimum | Maintain appropriate insurance. |
| Store Ohio Study Guide | 2026 Based on 2024 IPC | Supplement local exam study. |
| Store Course Combo | Guide and Video Lessons | Practice diagrams and tests. |
| Store Complete Package | Books, Tabs, Course, Flash Cards | Check exam book compatibility. |
| Detail | Category | Information |
|---|---|---|
| State | Location | Ohio |
| Statewide Journeyman Credential | Licensing | No Single Uniform License |
| Verified City Example | Licensing | Columbus |
| City Credential | Licensing | Journeyperson Plumber |
| Licensing Department | Licensing | Building and Zoning Services |
| Required Examination | Testing | ICC National Standard Journeyman Plumber F25 |
| Exam Provider | Testing | International Code Council |
| Published National Outline | Testing | 70 Questions |
| Published National Duration | Testing | 180 Minutes |
| Published Format | Testing | Open Book |
| Columbus Passing Requirement | Scoring | 70% |
| Columbus Experience | Eligibility | Five Years |
| Approved Apprenticeship Alternative | Eligibility | USDOL-Certified Plumbing Program |
| Application Notarization | Licensing | Required |
| Board Review | Licensing | Required |
| Score Validity | Licensing | One Year Before Application |
| Current Ohio Plumbing Code | Code | 2024 Ohio Plumbing Code |
| Model Code Basis | Code | 2021 IPC With Ohio Changes |
| 2024 IPC Store Products | Study | Supplemental Until Exam Edition Confirmed |
| Fixture Requirements | Study | Plumbing Fixture Installation |
| Water Heaters | Study | Equipment and Protection |
| Water Distribution | Study | Supply and Pipe Sizing |
| Sanitary Drainage | Study | DWV and Drainage Requirements |
| Venting | Study | Vent Pipe Arrangements |
| Traps | Study | Trap Seals and Interceptors |
| Storm Drainage | Study | Roof and Storm Water |
| Plan Reading | Study | Drawings and Isometrics |
| Plumbing Math | Study | Dimensions and Sizing |
| Plumbing Safety | Study | OSHA and Safe Practice |
| State Contractor Credential | Separate Path | OCILB Plumbing Contractor |
| State Contractor Exam Provider | Separate Path | PSI |
| Contractor Liability Requirement | Separate Path | $500,000 Coverage |
Important: The national F25 examination outline describes 70 questions and a three-hour, open-book format. Verify the current ICC bulletin for your scheduled version.
Columbus local rule: Requires at least 70% on ICC F25.
State plumbing contractor exam: Separate OCILB and PSI licensing process.
Study installation standards, permits, inspections, approved materials, plumbing definitions, pipe protection, and basic code organization.
Review sinks, water closets, showers, bathtubs, urinals, lavatories, drinking fountains, fixture connections, required clearances, and installation methods.
Study heater installation, hot-water distribution, relief protection, discharge piping, safety, and equipment requirements.
Review water service, pipe sizing, water pressure, fixture demand, cross-connection control, valves, and backflow prevention.
Study drainage piping, slopes, fittings, cleanouts, fixture units, indirect waste, sumps, ejectors, and building sewers.
Review individual vents, common vents, wet venting, branch vents, vent sizing, terminals, and permitted arrangements.
Study trap seals, trap arms, interceptors, separators, and protection from sewer gas.
Review roof drains, storm piping, overflow drainage, rainwater leaders, and basic stormwater sizing.
Practice interpreting plumbing drawings, pipe branches, fixture connections, elevations, vents, and drainage routes.
Practice measurements, pipe slopes, unit conversions, sizing tables, and applicable jobsite safety procedures.
These are preparation topics, not a claimed 2026 statewide Ohio exam blueprint.
Because journeyman licensing is local, candidates must confirm the official outline for the exact examination required by their jurisdiction.
Start by identifying the exact city or municipality requiring the credential.
Read its licensing application.
Confirm the testing provider and exam name.
For Columbus, the specified examination is ICC National Standard Journeyman Plumber F25.
Download or review the current ICC examination bulletin.
Obtain the exact approved codebook edition.
Study general regulations, fixtures, water heaters, water supply, drainage, venting, traps, storm drainage, and plan reading.
Practice piping diagrams and isometrics.
Review plumbing mathematics.
Complete a regular schedule of practice questions.
For additional instruction, the Ohio Journeyman Study Guide and Online Course includes code lessons, isometric walkthroughs, and computer-based practice.
Compare every reference to your actual local examination requirements before bringing it to testing.
Start: Confirm jurisdiction and credential.
Code: Study the edition approved for your specific exam.
Trade: Review water supply, drainage, venting, fixtures, and traps.
Practice: Complete timed questions and isometric exercises.
Licensing: Submit valid exam results and experience records.
This simplified plumbing diagram illustrates how potable water supply, plumbing fixtures, sanitary drainage, traps, and venting connect within a building.
Simplified educational illustration. It is not an approved plumbing installation drawing. Actual vent, trap, drainage, and potable water connections must comply with the applicable code.
Determine whether your city or local authority issues a Journeyman or Journeyperson Plumber credential.
Review application forms, experience requirements, approved examinations, references, and fee schedules.
For Columbus, the standard requirement is five years of qualifying plumbing experience or completion of an approved USDOL apprenticeship.
Columbus requires ICC F25. Other jurisdictions may specify different examinations or procedures.
Confirm the exact edition and practice fixtures, water supply, drainage, venting, isometrics, and code navigation.
Meet your local authority's passing standard and keep a copy of the official result.
Complete the local paperwork, attach experience documents, notarize where required, and pay the current fee.
Follow the local board's instructions, obtain the issued credential, and review renewal requirements. Pursue OCILB contractor licensing separately if you plan to contract commercially.
These percentages come from an earlier published ICC National Standard Journeyman Plumber F25 outline. They are useful for planning study time but are not represented here as a verified October 2026 examination blueprint. Always follow the current ICC bulletin for the exact exam you book.
Source context: Earlier published ICC F25 national contractor/trades outline.
Combined historical percentages: 100%.
Current Columbus requirement: ICC F25 with 70% passing.
Current exam-day references: Verify with the ICC examination catalog.
| Book or Material | Edition or Description | Purpose |
|---|---|---|
| ICC National Standard Journeyman Plumber Bulletin | Current F25 Publication | Controls approved exam references and rules. |
| National Standard Journeyman Plumber Historical Reference | 2015 IPC in Older F25 Bulletin | Historical reference only; recheck current edition. |
| Ohio Plumbing Code | 2024 | Current adopted commercial plumbing code. |
| International Plumbing Code | 2021 | Underlying model code for Ohio Plumbing Code 2024. |
| Ohio State Amendments | Current 2024 Code Rules | Ohio-specific installation requirements. |
| 2024 International Plumbing Code | 2024 | Newer model code and store study material, not identical to the Ohio code. |
| Ohio Journeyman Plumber Study Guide | 2026, Based on 2024 IPC | 700+ practice questions, explanations and review. |
| Ohio Study Guide and Online Course | 2026, Based on 2024 IPC | Videos, isometrics, computer-based practice. |
| Ohio Complete Books, Tabs and Course Package | 2026, Based on 2024 IPC | Codebook, tabs, guide, course and flash cards. |
| ICC F25 Examination Outline | Current Approved Version | Exam topic weights and testing information. |
| OSHA Construction Safety | 29 CFR Part 1926 | Supplemental safety study. |
| Local Licensing Code | Current City Rules | Applications, experience and permitted work. |
| OCILB Contractor Rules | Current State Requirements | Separate commercial contractor pathway. |
Ohio adopted code: 2024 Ohio Plumbing Code, based on the 2021 IPC.
Store's newer books: 2024 International Plumbing Code-based.
Critical rule: The ICC's currently approved examination reference edition must be confirmed independently.
An open-book plumbing examination still requires knowledge of the code structure and plumbing concepts.
Learn how definitions, tables, sections, exceptions, and figures work together.
Practice identifying the correct subject before opening the codebook.
Study water supply, drainage, vents, fixtures, traps, and plumbing calculations.
Verify examination reference and tab rules before testing.
Journeyman plumbers commonly install, repair, maintain, and troubleshoot water supply and drainage systems.
Work can include fixtures, pipe connections, water heaters, valves, cleanouts, drains, vents, and other plumbing components.
The legal authority to perform work depends on the local credential, employer, permits, and applicable supervision or contractor licensing rules.
Columbus specifically prohibits a department-licensed journeyperson plumber from entering plumbing contracts or advertising independent contracting services based only on the journeyperson license.
Those interested in operating a commercial plumbing business should review the separate OCILB Plumbing Contractor license.
Local trade credential: May authorize qualified journeyperson plumbing work.
Independent contracting: Not automatically authorized.
State commercial license: OCILB Plumbing Contractor.
Permits: Local building department requirements continue to apply.
| Credential | Purpose | Difference |
|---|---|---|
| Columbus Journeyperson Plumber | Local qualified plumbing tradesperson. | City license, ICC F25 and Board approval. |
| Ohio Municipal Journeyman Credentials | Local journeyman qualification. | Requirements differ by jurisdiction. |
| Ohio OCILB Plumbing Contractor | State commercial plumbing contracting. | Separate state licensing and PSI exams. |
| Plumbing Apprentice | Training and supervised field learning. | Apprenticeship can help establish journeyman eligibility. |
| ICC National F25 Examination | Journeyman plumbing knowledge testing. | Exam result is not itself a contractor license. |
| ICC Plumbing Plans Examiner P3 | Code-based plumbing plan review. | Separate certification and examination. |
| Ohio Plumbing Code | Plumbing installation regulations. | Not a trade license or exam certificate. |
| OCILB Business and Law | State contractor business knowledge. | Separate contractor exam, not standard Columbus journeyman requirement. |
ICC F25 • 70% Passing • Local License
70 Published Questions • 180 Minutes • Open Book
Separate State Commercial Contractor License
Journeyman plumbing examinations can be challenging because they require more than memorizing plumbing terminology.
Applicants must understand how plumbing systems work and how to apply code rules to practical situations.
The published ICC National Standard Journeyman Plumber examination format contains 70 questions with a three-hour time limit.
That allows a little over two and a half minutes per question.
Some questions may require quick code lookups.
Others may involve reading a plumbing diagram, identifying a pipe sizing table, or calculating a drainage condition.
Local licensing rules can add another layer of preparation.
In Columbus, candidates must also meet experience or apprenticeship requirements and submit the required application documents.
The most reliable approach is to study the correct code edition, practice the major plumbing topics, and complete timed examinations before scheduling the real test.
A little daily practice is more useful than a large panic-study session the evening before testing.
These products are actual Ohio Journeyman Plumber preparation listings available through Contractor Exam Preps.
They support plumbing code review, practice questions, video learning, and isometric preparation.
The advertised 2024 IPC edition should be compared with the exact code approved for the local examination.
2024 IPC • Study Guide • Video Course • Flash Cards
Best for: Candidates wanting a larger collection of books, questions, video lessons, and review tools.
Important: The package is based on the standalone 2024 IPC. Ohio's current 2024 Ohio Plumbing Code is based on the 2021 IPC with Ohio changes. Confirm exam-room reference approval with your local authority.
700+ Questions • Video Instruction • Exam Simulation
Best for: Candidates who prefer studying through both written practice questions and guided online instruction.
Important: Verify that the code edition discussed in lessons matches your scheduled examination.
2024 IPC-Based • Practice Questions • Plumbing Review
Best for: Students who want a focused written study resource without buying the complete package.
Important: This guide is based on the 2024 IPC, which is not identical to the 2024 Ohio Plumbing Code.
All three products: Related to Ohio Journeyman Plumber preparation.
Official licensing: Determined by the city or local authority.
Current Ohio plumbing code: 2024 Ohio Plumbing Code based on the 2021 IPC.
Exam book permission: Determined by the current ICC bulletin or relevant examination authority.
Actual Ohio Journeyman Plumber study product image from ContractorExamPreps.com.
The pictured study guide is marketed as being based on the 2024 International Plumbing Code. It is a preparation product image, not a government-issued journeyman plumbing license or an official ICC examination certificate.
Ohio Journeyman Plumber • Local Licensing • ICC F25 • Plumbing Code • Water Supply • Drainage • Venting • Isometric Drawings
Ohio Journeyman Plumbing Licensing
No. Ohio does not operate one uniform statewide Journeyman Plumber credential. Local jurisdictions may have their own licensing and examination requirements.
The City of Columbus Department of Building and Zoning Services issues the local Journeyperson Plumber license, subject to the appropriate Board review process.
Columbus requires at least five full years of qualifying plumbing experience or completion of a United States Department of Labor-certified plumbing apprenticeship. Certain engineering alternatives are also listed.
Yes. Completion of an approved USDOL-certified plumbing apprenticeship is an accepted alternative to the standard five-year experience route.
Not necessarily. Local journeyman licensing requirements can vary. Check your city or local licensing department before scheduling an examination.
ICC Journeyman Plumber F25 Examination
Columbus requires the ICC National Standard Journeyman Plumber examination, identified as F25.
The published national F25 examination outline describes 70 multiple-choice questions. Confirm the current version through ICC when scheduling.
The published national F25 outline gives a three-hour, or 180-minute, time limit. Check the latest ICC examination bulletin for your appointment.
The City requires a passing score of at least 70% on the National Standard Journeyman Plumber F25 examination.
The published national F25 examination format is open book. The current ICC bulletin determines exactly which books are permitted.
No. Use only materials allowed by the applicable ICC examination bulletin and follow the current reference-handling rules.
Ohio Plumbing Code Editions
The 2024 Ohio Plumbing Code became effective March 1, 2024. It incorporates the 2021 International Plumbing Code with Ohio-specific changes.
No. The 2024 Ohio Plumbing Code is based on the 2021 IPC with state modifications. The standalone 2024 IPC is a different model code publication.
Yes, for supplemental plumbing education and practice. Confirm the exact code edition approved for your local examination before depending on it for test-day answers.
Yes. Ohio's adopted plumbing code contains state-specific changes to the underlying 2021 IPC. Those changes matter for applicable Ohio plumbing installations.
Plumbing Trade Study Topics
Yes. Water supply and distribution, pipe sizing, demand, and backflow protection are important journeyman plumbing study topics.
Yes. The national journeyman plumbing outline includes sanitary drainage. Study drainage fixture units, slopes, fittings, cleanouts, and building drainage systems.
Yes. Venting is a core plumbing topic. Review vent connections, sizing, terminals, common vents, wet venting, and related code rules.
Yes. Fixtures, water heaters, and their connections appear in national journeyman study outlines and code-based practice.
Isometric drawings represent piping connections in a three-dimensional style. They help plumbers understand routing, fixture branches, and drain and vent arrangements.
Yes. Pipe sizing, drainage slope, measurements, developed length, and material calculations are useful preparation topics.
Yes. Study trap seals, trap connections, interceptors, separators, and related requirements.
Yes. Review roof drains, rainwater leaders, storm piping, overflow protection, and basic sizing concepts.
Columbus Application and Work Rules
Yes. Columbus requires a completed and notarized application and the supporting documents identified in its current license packet.
Applications are reviewed through the City's Skilled Trades Review Board process.
Passing exam results remain valid for one year before an application for the department-issued license must be made.
No. The Columbus rules state that a department-licensed journeyperson plumber may not independently contract or advertise plumbing contracting services based solely on that journeyperson license.
Ohio State Plumbing Contractor Licensing
The Ohio Construction Industry Licensing Board issues statewide commercial Plumbing Contractor licenses.
No. OCILB contractor examination requirements are separate from the ICC National Standard Journeyman Plumber exam used by Columbus.
The standard OCILB route requires five years of plumbing trade experience immediately before applying. Certain registered engineers may qualify through a separate experience route.
Yes. OCILB requires its licensed contractors to maintain at least $500,000 in liability coverage under current state rules.
Contractor Exam Preps Products
Yes. The store sells a 2026 Ohio Journeyman Plumber Study Guide based on the 2024 IPC.
The online product listing advertises more than 700 practice questions with answer explanations.
Yes. The Study Guide and Online Course package advertises over eight hours of instruction, isometric walkthroughs, and simulated computer-based practice.
The store describes a 2024 IPC book and tabs, study guide, online course, practice questions, downloadable materials, and 200 flash cards.
No. Study materials support learning but do not guarantee passing an exam, meeting a jurisdiction's eligibility requirements, or receiving a license.
Watch this related 1ExamPrep YouTube video covering Journeyman Plumber exam preparation, water supply, sanitary drainage, plumbing vents, fixtures, water heaters, and plumbing study strategies.
The video is a general journeyman plumbing resource and is not an official Ohio or Columbus ICC examination tutorial.
For your actual examination, follow the code editions and reference rules stated by your local licensing authority and the current ICC bulletin.
Creator: 1ExamPrep.
Video: Pass the 2026 Journeyman Plumber Exam.
Subjects: Plumbing systems, water supply, fixtures, drainage, vents, water heaters, and examination preparation.
Ohio note: Journeyman licensing is local.
Columbus note: Requires ICC F25 with at least 70% passing.
Code note: Ohio's 2024 Plumbing Code is based on the 2021 IPC, with state modifications.
Watch the 1ExamPrep Journeyman Plumber Video on YouTube
Explore Ohio Journeyman Plumber Study Guide and Online Course
Use Contractor Exam Preps for study materials and use the appropriate local government, ICC, and Ohio state agencies for actual licensing and exam rules.
Statewide journeyman license: None uniformly issued.
Columbus example: ICC F25 Journeyperson Plumber, 70% passing.
Ohio adopted plumbing code: 2024 Ohio Plumbing Code, based on 2021 IPC.
State contractor path: Separate OCILB commercial Plumbing Contractor license.
Study products: Ohio Journeyman Plumber guide, online course, and complete books and tabs package.
Preparing for an Ohio Journeyman Plumber examination can be an important step toward advancing a career in the plumbing trade.
Plumbers install, maintain, troubleshoot, and repair systems that help buildings operate safely.
These systems provide clean drinking water, distribute hot and cold water, remove wastewater, and protect occupied spaces from sanitation hazards.
Journeyman plumbing work requires more than knowing how to connect two pieces of pipe.
Qualified plumbers must understand code requirements, materials, fittings, pipe sizing, drainage, venting, plumbing fixtures, water heaters, and safe installation practices.
Ohio has an important licensing difference that candidates must understand.
The state does not operate a single uniform statewide Journeyman Plumber license.
Journeyman requirements may be established by the city or local authority where a plumber works.
That means applicants should first identify the correct jurisdiction.
Different cities may use different examination procedures, licensing applications, and credential requirements.
The City of Columbus is a useful example of a local Journeyperson Plumber licensing system.
Its Department of Building and Zoning Services issues a Journeyperson Plumber license.
Columbus requires candidates to pass the ICC National Standard Journeyman Plumber examination, F25, with a score of at least 70%.
The published ICC national examination outline describes 70 multiple-choice questions and a three-hour, open-book format.
Candidates should verify those details and the approved reference edition through the current ICC bulletin.
Columbus also requires practical experience or an approved apprenticeship.
One common qualification route involves at least five full years of plumbing work installing building service plumbing systems.
Another route involves completing a United States Department of Labor-certified plumbing apprenticeship.
Certain engineering qualifications may provide alternative eligibility.
Applicants must document their qualifications carefully.
The local license application must be completed and notarized.
Passing examination results must be attached.
The appropriate Board reviews the application.
Columbus also requires candidates to apply within one year of receiving a qualifying passing examination score.
The plumbing code is another important part of exam preparation.
Ohio currently uses the 2024 Ohio Plumbing Code.
It became effective March 1, 2024.
Despite its title, the 2024 Ohio Plumbing Code is based on the 2021 International Plumbing Code with Ohio-specific modifications.
It is different from the standalone 2024 International Plumbing Code.
This matters because Contractor Exam Preps offers newer Ohio Journeyman Plumber products based on the 2024 IPC.
Those materials may help candidates develop plumbing knowledge and practice code navigation.
However, they do not automatically replace the examination references approved by a local licensing authority.
Before ordering exam-day books, candidates should confirm the applicable ICC bulletin and approved editions.
Journeyman plumbing preparation involves several major subjects.
General Regulations is one.
Candidates should study plumbing definitions, permits, inspections, materials, installation rules, and code organization.
Plumbing Fixtures is another major subject.
Students should review water closets, sinks, showers, bathtubs, urinals, lavatories, and other common fixtures.
Water Heaters require knowledge of installation, relief protection, temperature control, and hot-water piping.
Water Supply and Distribution involves potable water, pipe sizing, pressure, fixture demand, valves, and backflow prevention.
Sanitary Drainage involves removing wastewater safely.
Study drainage piping, fittings, pipe slope, cleanouts, drainage fixture units, building drains, and building sewers.
Plumbing Venting protects drainage-system operation and helps maintain trap seals.
Students should review vent sizing, connections, terminals, individual vents, common vents, and wet venting.
Traps, Interceptors, and Separators are also important.
Traps help prevent sewer gas from entering occupied spaces.
Interceptors and separators are used for certain special waste conditions.
Storm Drainage involves roof drains, storm piping, rainwater leaders, and overflow drainage.
Plan Reading and Isometric Analysis require the ability to interpret plumbing drawings.
These drawings show how piping systems connect and how individual fixtures relate to branches, drains, and vents.
Practicing diagrams can help candidates answer layout questions more confidently.
Plumbing Mathematics is another valuable skill.
Students should review measurements, unit conversions, pipe slope, developed length, sizing calculations, and code tables.
Safety should remain part of every study schedule.
Plumbing workers need to recognize hazards involving excavations, ladders, tools, hot work, electricity, and confined spaces.
Safe work practices protect workers and building occupants.
A structured study schedule can make these topics easier to manage.
Start with licensing requirements and general plumbing regulations.
Then review fixtures and water heaters.
Continue with water supply, sanitary drainage, and venting.
Study traps, storm drainage, and isometric drawings.
Finish with timed practice examinations and reference book review.
Contractor Exam Preps offers several related Ohio Journeyman Plumber resources.
The 2026 Ohio Journeyman Plumber Exam Prep Study Guide advertises more than 700 practice questions.
It includes plumbing code review, question explanations, mathematics, isometric exercises, and test-taking strategies.
The Ohio Journeyman Plumber Study Guide and Online Course adds video instruction and exam simulations.
The Complete Books, Tabs and Course Package combines code study, flash cards, online instruction, and practice materials.
These products can support preparation when candidates understand which code edition applies to their actual examination.
Journeyman licensing should also be distinguished from commercial plumbing contracting.
Ohio's statewide commercial Plumbing Contractor license is administered by OCILB.
That license involves separate qualifications, Board approval, background checks, PSI examinations, business responsibilities, and liability insurance.
A local Journeyperson Plumber credential does not automatically grant independent contracting authority.
Applicants who eventually want to own a commercial plumbing contracting business should study the OCILB route separately.
The most useful preparation strategy is simple.
Identify your jurisdiction, confirm the correct examination, use the approved reference editions, study the major plumbing systems, practice under timed conditions, and complete your licensing paperwork correctly.
With practical plumbing experience and organized study, candidates can approach their Ohio journeyman plumbing examinations with greater confidence.
Ohio Journeyman Plumber Contractor Exam Prep helps plumbing professionals understand the licensing requirements that may apply in their city and prepare for important journeyman plumbing examinations.
Ohio has a different licensing structure from many other states.
The state does not issue one statewide Journeyman Plumber license that automatically applies in every city.
Individual municipalities may establish their own journeyman plumbing licensing or registration requirements.
The first step is therefore identifying the correct licensing authority for the place where the plumber intends to work.
The City of Columbus provides a clear example.
Columbus issues a local Journeyperson Plumber license through its Department of Building and Zoning Services.
Applicants must meet experience requirements and pass the prescribed examination.
The required test is the ICC National Standard Journeyman Plumber examination, known as F25.
Columbus requires at least 70% passing.
The published national F25 examination outline describes 70 multiple-choice questions and a three-hour time limit.
The published format is open book.
Candidates should confirm the current approved examination edition and testing details through the ICC bulletin.
Columbus requires at least five years of qualifying plumbing experience under the standard experience pathway.
Applicants may also qualify through completion of a United States Department of Labor-certified plumbing apprenticeship.
Some engineering qualifications may also be accepted under the local rules.
Applicants must submit the required experience records and documentation.
The City requires a completed and notarized Journeyperson Plumber application.
Qualifying exam results must be included.
The application is reviewed through the local Board process.
Passing examination results are valid for one year before a licensing application must be made.
Plumbers should complete the process promptly after testing.
The plumbing code used in Ohio is another important consideration.
The current Ohio Plumbing Code is the 2024 edition.
It took effect on March 1, 2024.
This state code is based on the 2021 International Plumbing Code.
Ohio includes amendments to the underlying model code.
That means the 2024 Ohio Plumbing Code is not the same as the standalone 2024 International Plumbing Code.
This distinction is important when selecting books and exam preparation materials.
Some study packages from Contractor Exam Preps are based on the 2024 IPC.
These materials can help candidates learn plumbing concepts, but the correct exam-room reference must be verified with the jurisdiction and testing provider.
Journeyman Plumber examinations typically involve several core plumbing subjects.
General Regulations covers definitions, materials, permits, inspections, and installation rules.
Plumbing Fixtures includes water closets, sinks, lavatories, showers, bathtubs, urinals, and related fixtures.
Water Heaters involves installation, piping, relief valves, and equipment protection.
Water Supply and Distribution includes potable water, pipe sizing, pressure, valves, and backflow prevention.
Sanitary Drainage includes drains, fittings, drainage fixture units, pipe slope, cleanouts, building drains, and sewers.
Venting helps the drainage system work properly and protects trap seals.
Students should review vent sizing, connections, wet venting, and common venting arrangements.
Traps, Interceptors, and Separators involve protection from sewer gas and control of specific waste materials.
Storm Drainage includes roof drains, rainwater leaders, storm piping, and overflow protection.
Plan Reading and Isometric Analysis require understanding plumbing drawings.
Plumbing isometrics help show three-dimensional pipe connections.
They may include supply piping, fixtures, traps, drains, and vent systems.
Practicing isometric questions can improve the ability to recognize plumbing layouts.
Plumbing Mathematics is also useful.
Students should practice measurements, pipe slopes, developed length, fixture unit calculations, and code tables.
Safety should be reviewed as part of plumbing training.
Plumbers may work with tools, ladders, excavations, hot equipment, and other construction hazards.
Basic OSHA principles and safe working practices are valuable.
Open-book examinations require preparation before test day.
A candidate should know how the approved codebook is organized and where important tables, definitions, and provisions appear.
Time can be wasted by searching through an unfamiliar codebook for every answer.
Practice questions and code navigation drills help candidates become faster and more accurate.
Contractor Exam Preps sells several Ohio Journeyman Plumber study products.
The 2026 Ohio Journeyman Plumber Exam Prep Study Guide includes more than 700 practice questions, answer explanations, and plumbing review.
The 2026 Ohio Journeyman Plumber Study Guide and Online Course adds video lessons, isometric training, downloadable study materials, and simulated computer-based examinations.
The Complete Books, Tabs and Course Package includes a 2024 IPC book, reference tabs, study guide, online course, and 200 flash cards.
These materials support study but do not guarantee exam passage or local license approval.
Candidates should verify the code edition before ordering books for testing.
Ohio also has a separate statewide commercial Plumbing Contractor licensing system.
The Ohio Construction Industry Licensing Board, or OCILB, regulates that credential.
State contractor licensing involves experience requirements, Board approval, background checks, contractor examinations, business responsibilities, and insurance.
The contractor examination should not be confused with the ICC F25 Journeyman Plumber test.
A local journeyman license does not automatically give someone permission to operate an independent commercial plumbing contracting business.
For example, Columbus expressly limits contracting activity by individuals holding only the Journeyperson Plumber credential.
Plumbers planning to own or operate a contracting company should review the separate OCILB licensing requirements.
A six-week study plan can help organize the preparation process.
Begin with the correct local licensing rules.
Then study general plumbing regulations, fixtures, water heaters, and potable water supply.
Continue with drainage, venting, traps, and storm drainage.
Practice plumbing isometrics and mathematics.
Finish with full timed practice tests and code-reference review.
Before scheduling the examination, check the provider, fees, code edition, allowed materials, and identification requirements.
After passing, finish the applicable local license application while the examination results remain valid.
With accurate information, a steady study schedule, the correct books, and practical field experience, plumbers can approach Ohio Journeyman Plumber examinations with greater confidence and make informed decisions about the next stage of their careers.
Explore Ohio Journeyman Plumber study guides, plumbing reference books, online training, practice exams, isometric exercises, and related licensing preparation at ContractorExamPreps.com.
