DOPL • NASCLA • PSI • 115 Scored + 10 Pretest Questions • 330 Minutes • 81 to Pass • Open Book • Utah Business and Law
Ready to prepare for the NASCLA Accredited Examination for Commercial General Building Contractors and understand how Utah recognizes it? This detailed guide covers national exam topics, Utah B100 licensing, official reference books, study schedules, and related Contractor Exam Preps courses and packages.
Utah NASCLA General Contractor Exam Prep is preparation for the NASCLA Accredited Examination for Commercial General Building Contractors. This is a nationally administered construction trade knowledge exam, not a Utah license printed by NASCLA. For applicants pursuing a Utah B100 General Building Contractor license, an eligible passing NASCLA score can satisfy Utah's construction-experience requirement. The state still handles its own application, business-law exam requirements, insurance, financial responsibility and final license approval. A smart candidate prepares for both the NASCLA test and the paperwork that follows. Those are two different construction projects, and both need a solid foundation.
Utah's Division of Professional Licensing, or DOPL, lists B100 General Building Contractor, R100 Residential and Small Commercial Contractor, and E100 General Engineering Contractor among its general classifications. The commercial NASCLA exam is especially relevant for the general building pathway, but it does not replace Utah's classification decisions. B100 and R100 have different scopes. A person planning to build larger commercial structures should not automatically choose the residential/small-commercial classification because the name sounds friendlier. Start with the intended scope of work, read the current DOPL application, and confirm which classification fits.
No. NASCLA is an accepted alternative for satisfying the general-contractor experience requirement, not the only path to Utah general contracting licensure. DOPL typically calls for 4,000 hours, or two years, of paid construction-industry experience for the general classifications and recognizes several other qualifying alternatives. You can choose to take the NASCLA accredited exam because it fits your licensing goals or because you may apply in additional participating jurisdictions later. It is an option that can be useful, not a mystery extra hurdle everyone must clear.
DOPL expressly lists passing the NASCLA Accredited Examination for Commercial General Building Contractors as one way to satisfy the general contractor's experience requirement. That makes the exam particularly useful for a candidate whose construction background is broad but who prefers a standardized examination route. It does not eliminate Utah's remaining state requirements and does not give you permission to sign construction contracts before the contractor license is issued. Keep your official results and follow DOPL's application checklist. One exam transcript can be helpful, but it is not a license card.
NASCLA runs the accredited examination program and checks the candidate's application before testing. PSI Services delivers the computerized examination. You first apply through NASCLA, wait for eligibility approval, and then schedule with PSI. In Utah, DOPL manages licensing, while the separate Utah Contractor Business and Law examination is administered through Utah's current authorized contractor testing process, which identifies Prov. Do not confuse the national PSI NASCLA appointment with the Utah Prov Business and Law exam. The scheduling sites and reference materials are different.
The July 7, 2026 PSI candidate bulletin lists 115 scored questions and 10 additional unscored pretest questions. Candidates therefore see 125 questions in the session, although only 115 count toward the passing result. Pilot questions are mixed in and are not marked as harmless extras, so take every item seriously. The official outline divides the scored portion into twelve subject areas, from General Requirements to Procurement and Contracting Requirements. Focus on the published counts instead of relying on an old chart copied from a different examination.
PSI allows 330 minutes, which is five hours and thirty minutes. That may sound like enough time for a lunch break and a careful tour of every book in the reference stack. It is not. With 125 displayed items, you have about two and a half minutes per item on average, including any time spent navigating books or checking calculations. Learn to answer easy questions immediately, identify the correct reference quickly for tougher ones, and return to marked questions if time remains. Your favorite chapter does not deserve ten minutes.
You must answer at least 81 of the 115 scored items correctly. That is a little over 70 percent of the scored content. The 10 unscored pretest items do not help or hurt the result, but there is no practical way to identify them at the testing desk. Aim for comfortably more than 81 correct answers on realistic practice sets. If you struggle with a subject, identify whether the problem is understanding the construction concept, finding the correct book, or reading the question too quickly.
Yes. This is an open-book examination, but the current PSI bulletin controls exactly which references you may use and how they may be marked. It names many construction publications, including code books, OSHA construction safety rules, project management manuals, concrete references, masonry, truss handling and electrical/mechanical systems. For code questions, the edition listed in the bulletin matters. The PSI document also describes permanent indexing or allowed tabs and a limited calculator policy. Buying a book package does not override examination-center rules.
The official NASCLA PSI reference list updated July 2026 includes the International Building Code, 2021 or 2024 edition, and the ICC A117.1 accessibility standard from 2017, along with concrete, wood-truss, OSHA and construction manuals. Not every reference is a building code, and not every construction question is answered by one chapter of the IBC. Code-based questions should be answered using the editions the bulletin permits. Keep the store's package edition list beside the PSI list and replace mismatched code references when necessary.
Procurement and Contracting Requirements leads the 2026 outline with 31 scored questions, followed by General Requirements with 25 and Site Construction with 15. Together, those three categories account for 71 of the 115 scored items. That is a large share of the exam, so contract documents, bidding, project controls, jobsite management, safety and site work deserve regular attention. Concrete, masonry, metals, wood, finishes, glazing and building systems still matter. A general contractor needs the whole building, not only the paperwork.
Study bidding procedures, contract types, scopes of work, construction schedules, estimating, purchasing, subcontractor coordination, submittals, changes, payment applications, recordkeeping and closeout. Know who is responsible for which documents and why clear communication can prevent costly disputes. Practice looking up a specific requirement in the contract or project management reference instead of relying on a half-remembered jobsite story. Many questions present ordinary situations with one detail that changes the most appropriate response.
General Requirements carries 25 scored items. This broad domain calls for understanding plans, specifications, construction management responsibilities, safety, permits, documentation and site administration. Review jobsite organization and project coordination. Learn why inspections happen at certain stages and how the general contractor documents completion. The test is looking for knowledge of accepted construction practices and the listed sources, not a candidate's ability to guess what a friendly inspector might overlook.
Site Construction is the third-largest domain, with 15 scored questions. Review soils, earthwork, excavation, trench safety, stormwater management, grading, site drainage, foundations and early project coordination. Learn to use both safety references and construction texts to answer real-life site scenarios. One poorly planned excavation can affect foundations, utility lines, crew safety and the construction schedule all at once. Studying this topic as a connected system helps more than memorizing a list of equipment names.
Absolutely. Concrete accounts for six scored questions, Metals six and Masonry four. These domains cover core building structure topics such as forms, reinforcement, placement, joints, steel connections, joists, decking, mortar, grout and masonry construction details. Use the designated ACI and technical manuals to learn the correct terms. Practice reading technical tables and locating quality-control requirements. The exam may ask about a small construction detail with a big effect on performance. That is how buildings work, unfortunately for anyone hoping to skip the fine print.
Yes. The Wood category includes five scored questions, while Thermal and Moisture Protection includes five. Review framing, wood trusses, bracing, sheathing, roofing, insulation, flashing, waterproofing and weather exposure. The truss-handling manual and roofing references are especially useful study anchors. Learn the order in which trades and materials should be installed to protect completed work. A water leak discovered after interior finishes are complete is a memorable lesson, but it is better to learn the rule before the repair bill.
The NASCLA examination does include building-systems coordination. Mechanical and Plumbing Systems has six scored questions, and Electrical Systems has three. General contractors need enough understanding to coordinate installation order, clearance, accessibility, safety, equipment connections and interactions between trades. This does not mean that passing NASCLA creates a plumbing or electrical trade license. When Utah law calls for separately licensed specialty contractors or master qualifiers, those requirements still apply to the actual project.
No. NASCLA's program helps participating jurisdictions receive an accredited exam transcript through the National Examination Database. Other jurisdictions can consider the exam under their own rules, but licenses do not automatically transfer. Utah itself describes endorsement pathways rather than simple one-for-one reciprocity. Before working outside Utah, find the other state's official licensing requirements. Passing a shared exam removes a possible repeated test, not the need for insurance, applications, qualifying agents or local permits.
Utah separately lists its Contractor Business and Law examination for B100 and other general classifications unless a DOPL-recognized exception applies. The book typically used for that exam is the Utah edition of the NASCLA Contractors Guide to Business, Law and Project Management, 4th Edition. Do not mistake it for the Basic 14th Edition business-law guide in the national NASCLA commercial exam reference list. The two books have different purposes. Contractor Exam Preps carries the Utah edition and matching tabs, which may help organize study.
Spend the first week on licensing rules, PSI reference verification and getting your books organized. In weeks two and three, emphasize General Requirements, Procurement and Contracting, and Site Construction because they dominate the published scoring outline. Weeks four and five should cover concrete, metals, masonry, wood, roof systems, glazing, finishes and building systems. During the last week, run a full 330-minute practice session, practice fast code lookups and verify all testing materials. A schedule helps keep the reference books from taking over your dining table.
Contractor Exam Preps offers a Utah NASCLA Complete Book Set, a Utah NASCLA Ultimate Rental Package, Utah NASCLA online exam preparation and a Utah Business and Law guide with tabs. Its general NASCLA Complete Exam Prep package combines reference books, online study material and preprinted tabs. The right fit depends on whether you already own approved books, want to rent them or need coached practice. Product contents, editions and stock status can change, so compare the current PSI reference list with each product page before you buy.
Confirm NASCLA has approved your exam application, review PSI's current candidate bulletin, check your photo identification and ensure that your references meet current edition and marking rules. Verify the allowable calculator and your testing appointment. Separately, if you plan to apply for a Utah contractor license, confirm your B100 or R100 classification, prelicensure education, Business and Law requirement, insurance and entity paperwork with DOPL. Prepare the national test and Utah licensing application as separate checklists. Good paperwork is rarely exciting, but neither is delaying a job because one form is missing.
Important Utah NASCLA 2026 Licensing Update: Utah DOPL recognizes passing the NASCLA Accredited Examination for Commercial General Building Contractors as a way to satisfy the general-contractor experience requirement. Utah does not issue a contractor license merely because you passed NASCLA. A separate Utah Contractor Business and Law examination and other state requirements generally remain unless DOPL confirms a specific exemption. The July 7, 2026 PSI bulletin specifies 115 scored questions, 10 unscored pretest questions, a 330-minute exam, 81 correct scored answers to pass, and 12 content areas. Use the official PSI bulletin to confirm current allowed books and test rules. The Utah-specific Business and Law book is separate from the national NASCLA Basic reference.
Utah does not issue a license named simply the NASCLA license. The relevant business credential is a Utah general contractor classification, most commonly B100 General Building Contractor for general building work. NASCLA administers a separate accredited commercial building examination that Utah recognizes as a qualifying alternative to its standard general-contractor experience requirement.
A construction business must still satisfy all applicable Utah requirements. DOPL determines the correct scope, reviews the applicant's financial responsibility and insurance, and issues the license. Utah also regulates specialties and residential/small-commercial work through other classifications.
State: Utah Division of Professional Licensing (DOPL).
National test: NASCLA, administered by PSI.
Utah classification: B100 General Building Contractor, with other classifications for different scopes.
Recognized benefit: A passing NASCLA score can satisfy general-contractor experience.
State exam: Utah Contractor Business and Law generally remains necessary.
This reference table separates the national NASCLA test from Utah's general contractor licensing requirements, including experience, Business and Law testing, book editions and store resources.
| Requirement | Published Information | What to Know |
|---|---|---|
| Credential path | Utah B100 General Building Contractor | State business license issued by Utah DOPL. |
| NASCLA test | Accredited Commercial General Building Contractor Exam | National exam, not itself a Utah license. |
| National program administrator | NASCLA | NASCLA approves examination applications. |
| National exam vendor | PSI | Computer-based testing at approved PSI locations. |
| National exam questions | 115 scored + 10 pretest | 125 displayed items; unscored questions are not identified. |
| National exam time | 330 minutes | Five hours and thirty minutes. |
| Minimum passing standard | 81 of 115 scored | Do not assume pretest items earn points. |
| Exam content areas | 12 domains | Official PSI July 2026 content outline. |
| Exam format | Open book | Only approved references and permissible markings. |
| NASCLA application | Through NASCLA | Wait for approval before booking PSI. |
| PSI fee | $130 in July 2026 bulletin | Recheck before scheduling. |
| Eligibility period | One year after approval | Three test attempts during that approved period. |
| Utah licensing authority | Division of Professional Licensing | Utah DOPL approves B100 licensing. |
| Utah general-contractor classifications | B100, R100, E100 | Scope and licensing differ. |
| Ordinary experience requirement | 4,000 hours or two years | Paid construction-industry experience. |
| NASCLA experience alternative | Passing NASCLA exam | DOPL expressly lists this in place of the ordinary experience requirement. |
| Other experience alternatives | Degree, current/past qualifier, Utah PE | Check current DOPL general-contractor application. |
| State Business and Law examination | Usually required unless exemption | Separate Utah Prov-administered exam. |
| Business and Law study book | Utah NASCLA Business Law Guide, 4th Ed. | Separate from NASCLA Basic 14th Edition. |
| Prelicensure education | Follow current DOPL course requirements | Confirm 25-hour/5-hour training applicability. |
| General liability and financial responsibility | DOPL insurance and financial standards | Verify active minimums at application. |
| Entity application | Corporations and LLCs must be registered | Utah Division of Corporations records must remain active. |
| Worker's compensation | Provide policy or exemption when applicable | Utah business licensing requirement. |
| Passing exam does not grant license | Correct | Obtain Utah DOPL issued B100 license before contracting. |
| Code-book basis | 2021 or 2024 IBC (July 2026 PSI bulletin) | Only versions listed in official code list. |
| Accessibility reference | ICC A117.1-2017 | Accessibility and usability in construction. |
| OSHA reference | 29 CFR Part 1926 | Check editions and alternatives in PSI bulletin. |
| BCSI wood truss reference | 2018 updated 2020 OR 2025 | As specifically authorized by PSI. |
| NASCLA national business book | NASCLA Basic 14th Edition | Used for national NASCLA exam preparation. |
| Construction management book | Construction Jobsite Management | Confirm listed edition and publisher. |
| Subject: General Requirements | 25 scored items | 21.7% of scored exam. |
| Subject: Site Construction | 15 scored items | 13.0% of scored exam. |
| Subject: Concrete | 6 scored items | 5.2% of scored exam. |
| Subject: Masonry | 4 scored items | 3.5% of scored exam. |
| Subject: Metals | 6 scored items | 5.2% of scored exam. |
| Subject: Wood | 5 scored items | 4.3% of scored exam. |
| Subject: Thermal and Moisture Protection | 5 scored items | 4.3% of scored exam. |
| Subject: Doors, Windows and Glazing | 4 scored items | 3.5% of scored exam. |
| Subject: Finishes | 5 scored items | 4.3% of scored exam. |
| Subject: Mechanical and Plumbing | 6 scored items | 5.2% of scored exam. |
| Subject: Electrical Systems | 3 scored items | 2.6% of scored exam. |
| Subject: Procurement and Contracting | 31 scored items | 27.0% of scored exam. |
| Utah NASCLA book set | Available through Contractor Exam Preps | View Utah Complete Book Set |
| Utah NASCLA online prep | Study option for open-book exam | View Utah NASCLA Course |
| Utah Business and Law guide | 4th Edition and tabs option | View Utah-specific Guide |
| Utah licensing verification | Official DOPL general contractor guidance | Read state requirements |
Review the NASCLA exam itself before making plans for Utah licensing. The state exam and business application are handled separately.
| Detail | Category | Information |
|---|---|---|
| Accredited examination | NASCLA Commercial General Building Contractor | National examination recognized by Utah |
| Administrator | NASCLA | Approves candidates |
| Examination delivery | PSI | Computer-based testing |
| Total questions delivered | 125 | 115 scored, 10 pretest |
| Scored questions | 115 | Twelve domains |
| Unscored questions | 10 | Mixed into same exam |
| Passing score | 81 correct scored | At least 81 of 115 |
| Time allowed | 330 minutes | Five hours thirty minutes |
| Test format | Open book | Approved references only |
| Number of subject categories | 12 | Scored outline |
| Largest category | Procurement and Contracting | 31 scored items |
| Second category | General Requirements | 25 scored items |
| Third category | Site Construction | 15 scored items |
| Leading three combined | 71 of 115 scored | Approximately 61.7% |
| Exam application | NASCLA approval required | Apply before booking PSI |
| Exam registration fee | $130 in July 2026 bulletin | Verify current rate |
| Eligibility period | One year | After NASCLA application approval |
| Attempt limit | Three attempts | During active eligibility period |
| Candidate photo ID | Current government ID | Photo, name and signature |
| Calculator | Silent nonprogrammable | Review exact permitted rules |
| Blueprints | PSI supplies packet | No need to bring a personal drawing set |
| Building Code listed | 2021 or 2024 IBC | Code editions only as bulletin lists |
| National business book | NASCLA Contractors Guide Basic 14th | National exam reference |
| Utah Business and Law | Separate state process | Prov state exam, if required |
| Utah licensing role | Experience alternative | Not an automatic contractor license |
| Current NASCLA bulletin | July 7, 2026 | Open PSI Reference List |
| Utah DOPL information | Current official listing | Utah B100 Licensing |
115 scored questions plus 10 pretest: Answer every item.
Five hours and thirty minutes: Practice reference navigation under time pressure.
Utah licensure: Verify Business and Law, course, entity and financial requirements separately.
The 2026 PSI NASCLA bulletin contains twelve content domains. These subject counts total 115 scored questions and do not include the ten pilot items.
Construction documents, administration, codes, permits, inspections, project planning and jobsite safety. Practice identifying which approved reference answers a question in this category. Record the correct chapter and rehearse finding it quickly. This category represents about 21.7% of the scored exam, so prepare for it in proportion to the question count without skipping the smaller domains.
Site layout, clearing, excavation, soils, grading, erosion control, utilities and earthwork. Practice identifying which approved reference answers a question in this category. Record the correct chapter and rehearse finding it quickly. This category represents about 13.0% of the scored exam, so prepare for it in proportion to the question count without skipping the smaller domains.
Forms, reinforcement, placement, curing and related specifications. Practice identifying which approved reference answers a question in this category. Record the correct chapter and rehearse finding it quickly. This category represents about 5.2% of the scored exam, so prepare for it in proportion to the question count without skipping the smaller domains.
Concrete masonry units, mortar, grout, flashings, reinforcement and construction practices. Practice identifying which approved reference answers a question in this category. Record the correct chapter and rehearse finding it quickly. This category represents about 3.5% of the scored exam, so prepare for it in proportion to the question count without skipping the smaller domains.
Structural steel, connections, steel decking and installation practices. Practice identifying which approved reference answers a question in this category. Record the correct chapter and rehearse finding it quickly. This category represents about 5.2% of the scored exam, so prepare for it in proportion to the question count without skipping the smaller domains.
Framing, engineered wood, trusses, temporary bracing and carpentry. Practice identifying which approved reference answers a question in this category. Record the correct chapter and rehearse finding it quickly. This category represents about 4.3% of the scored exam, so prepare for it in proportion to the question count without skipping the smaller domains.
Roofing, insulation, waterproofing and building-envelope weather protection. Practice identifying which approved reference answers a question in this category. Record the correct chapter and rehearse finding it quickly. This category represents about 4.3% of the scored exam, so prepare for it in proportion to the question count without skipping the smaller domains.
Openings, accessibility, glass systems, hardware and installation details. Practice identifying which approved reference answers a question in this category. Record the correct chapter and rehearse finding it quickly. This category represents about 3.5% of the scored exam, so prepare for it in proportion to the question count without skipping the smaller domains.
Gypsum, drywall, paint, interior systems and finish installation. Practice identifying which approved reference answers a question in this category. Record the correct chapter and rehearse finding it quickly. This category represents about 4.3% of the scored exam, so prepare for it in proportion to the question count without skipping the smaller domains.
Coordination of piping, HVAC, equipment and mechanical/plumbing requirements. Practice identifying which approved reference answers a question in this category. Record the correct chapter and rehearse finding it quickly. This category represents about 5.2% of the scored exam, so prepare for it in proportion to the question count without skipping the smaller domains.
Electrical-system fundamentals, coordination, life safety and installation interfaces. Practice identifying which approved reference answers a question in this category. Record the correct chapter and rehearse finding it quickly. This category represents about 2.6% of the scored exam, so prepare for it in proportion to the question count without skipping the smaller domains.
Bid documents, estimating, contracts, procurement, scheduling, changes, payments, project closeout and management. Practice identifying which approved reference answers a question in this category. Record the correct chapter and rehearse finding it quickly. This category represents about 27.0% of the scored exam, so prepare for it in proportion to the question count without skipping the smaller domains.
Largest domain: Procurement and Contracting Requirements, 31 scored questions.
Next: General Requirements, 25; Site Construction, 15.
All domains: A total of 115 scored questions, plus ten unscored pilot questions.
First confirm that NASCLA is a useful choice for your Utah licensing plan. A passing score can meet the general-contractor experience requirement, but some candidates already qualify by work experience, education or other DOPL-approved means.
Read the July 2026 PSI Candidate Information Bulletin and download the current reference list. Verify which editions of the International Building Code and construction manuals are allowed. The list can change, so do not rely on a photograph of someone else's study pile.
Build a separate study index for the 12 exam domains. Each page should show the important approved books, likely chapters, table numbers and the kinds of questions associated with the category.
Allocate extra study time to Procurement and Contracting, General Requirements, and Site Construction. Together these three categories represent more than three fifths of the scored exam.
Practice reading plans, schedules, construction specifications, submittals, cost estimates, field reports and contract clauses. These are skills that transfer directly into commercial contracting.
Cover the smaller construction subjects systematically: concrete, masonry, metals, wood, roofing, glazing, finishes, mechanical/plumbing and electrical systems.
Do not neglect OSHA. Know where to find current fall protection, trench safety, scaffolding and general jobsite hazard information in the permitted safety references.
Work on speed. With 125 displayed questions and 330 minutes, learn to identify the reference before opening the book. Do not let one difficult lookup consume a whole page of the clock.
Use practice questions that send you back to the reference text. Write down why each answer is correct and which section supports it rather than memorizing the letter from a practice sheet.
Make a separate Utah licensing checklist for the Prov Contractor Business and Law test, the Utah NASCLA state-specific guide, prelicensure courses, insurance, and business formation.
Consider a book set, an online course or a highlighted-and-tabbed rental from Contractor Exam Preps. Verify the included editions against PSI; a purchased package should be the start of checking, not the end.
Complete at least two full-length timed practice sessions and retest your weakest domains. Before exam day, confirm identity requirements, calculator limits and exactly which books may enter the room.
Study order: Start with the highest-weight categories and reference organization.
Exam practice: Answer all 125 displayed items under a 330-minute simulation.
State step: Prepare the Utah Business and Law and DOPL application requirements separately.
This original-style technical illustration connects the major commercial building activities covered by the twelve NASCLA exam domains.
Illustration for exam review only, not a project design or construction plan.
Confirm that B100 General Building Contractor, rather than R100 or E100, is appropriate for your construction scope.
Utah accepts a qualifying NASCLA passing result instead of its ordinary 4,000-hour construction-experience requirement.
Submit the national examination application and wait for NASCLA approval before using PSI scheduling.
Study the current PSI bulletin, approved references, safety topics and open-book techniques.
Complete the 125 displayed items in 330 minutes and earn at least 81 of the 115 scored items.
Prepare the state-specific Utah guide, complete the Prov Business and Law exam or establish a DOPL-recognized exemption.
Complete required courses, business registration, insurance, financial responsibility and other DOPL paperwork.
Submit the Utah application and begin contracting only after DOPL issues the appropriate license.
These bars replicate the original template's weighting design and use the exact scored-item counts published in the July 2026 PSI bulletin. Percentages reflect 115 scored items and exclude the ten unscored pretest questions.
Largest: Procurement and Contracting Requirements, 31 of 115 scored items.
Second: General Requirements, 25 of 115.
Third: Site Construction, 15 of 115.
All twelve topics: 115 scored items; practice all of them.
The official 2026 PSI booklet lists many construction references. This overview is not a replacement for the complete bulletin. Compare every title and edition in a product package against the official PSI version before using it in the exam.
| Book or Reference | Edition or Product | Purpose |
|---|---|---|
| International Building Code | 2021 or 2024 editions listed in July 2026 PSI bulletin | Code-based construction rules; use only approved editions. |
| NASCLA Contractors Guide, Basic | 14th Edition | National commercial exam business and project-management reference. |
| Utah NASCLA Contractors Guide to Business, Law and Project Management | Utah 4th Edition | Separate Utah Business and Law test study, not a substitute for the national Basic edition. |
| Construction Jobsite Management | 4th (2017) or 5th (2024) as permitted | Site management, planning, logistics and safety. |
| Construction Project Management | 2014 4th or 2022 5th as permitted | Scheduling, project controls, contracts and execution. |
| ACI 318 Building Code Requirements for Structural Concrete | ACI 318-14 or ACI 318-19 (2022), check current bulletin | Concrete structural requirements. |
| BCSI Wood Truss Guide | 2018 updated March 2020 or 2025 | Metal-plate connected truss handling and bracing. |
| Mechanical and Electrical Systems for Construction Managers | 4th Edition, 2024 | Building-system coordination and mechanical/electrical topics. |
| ICC A117.1 Accessible and Usable Buildings | 2017 Edition | Accessibility requirements. |
| OSHA Construction Safety Regulations | 29 CFR 1926 (approved PSI editions) | Construction jobsite safety and hazards. |
| Gypsum Construction Handbook | 7th Edition | Gypsum installation and finishing. |
| Modern Masonry | 9th Edition listed in July 2026 bulletin | Masonry methods and materials. |
| SDI Manual of Construction with Steel Deck | 3rd Edition | Structural steel deck practices. |
| Technical Digest No. 9, Handling Steel Joists | 3rd Edition | Steel joists and joist girders. |
| Placing Reinforcing Bars | 2019 or later edition as permitted | Reinforcement layout and installation. |
| Pipe and Excavation Contracting | 2011 | Excavation and site utilities. |
| Erectors Manual, Precast Concrete | 2nd Edition, 1999 | Precast concrete handling and erection. |
| Roofing Construction and Estimating | 1995, reprinted 2022 | Roofing and estimating basics. |
| Green Building Fundamentals | 2nd Edition, 2011 | Sustainable commercial construction. |
| Carpentry and Building Construction | 2016 Edition | Wood framing and construction. |
| Principles and Practices of Commercial Construction | 11th Edition, 2024 | Broad commercial construction reference. |
| Stormwater Pollution Prevention Plan Guide | EPA construction-site guide | Erosion, drainage and jobsite environmental compliance. |
| ANSI/EIMA 99-A-2017 EIFS | 2017 | Exterior insulation and finish systems. |
| Candidate Information Bulletin | Updated July 7, 2026 | Controls listed references, scope and test-room rules. |
Important: Code-based questions use only the code editions listed in the PSI bulletin.
Utah Business and Law: The Utah 4th Edition guide is separate from NASCLA Basic 14th Edition.
Commercial book package: Utah NASCLA Complete Book Set from Contractor Exam Preps.
The NASCLA examination tests both construction knowledge and the ability to locate answers in an approved library. The biggest skill is choosing the correct reference quickly. The code book is not going to raise its hand and announce which table to open.
Set up a practice desk with the allowed books, a clock and exam-style questions. Repeat the same method until the navigation becomes natural. Keep the state-specific Utah guide separate so you can prepare for the Prov Business and Law exam on its own.
Passing the NASCLA accredited commercial general building exam does not itself authorize any construction work. Once Utah DOPL issues the appropriate B100 General Building Contractor business license, the licensee may perform or contract for work within that classification and must follow Utah's construction laws, permits, insurance requirements and subcontractor rules.
Commercial building projects can involve sitework, concrete, masonry, structural framing, roofing, building envelope, mechanical and electrical coordination, finishes and closeout. A general contractor coordinates these tasks but must use appropriately licensed specialty trades where the law requires them. Work scope always depends on the actual Utah contractor classification, not the name printed on a study guide.
NASCLA exam: A qualifying test result, not a work authorization.
Utah classification: B100 General Building Contractor for its defined scope.
Specialties: Separately licensed electrical, plumbing and other trades may be required.
Before bidding: Confirm issued license, insurance, job permits and applicable classifications.
Utah licensing terms describe actual authority, while NASCLA describes a test. This comparison keeps those roles from being mixed together.
| Classification or Exam | Purpose | Important Difference |
|---|---|---|
| B100 General Building Contractor | Utah general-building commercial scope | DOPL general classification; NASCLA can satisfy experience requirement. |
| R100 Residential/Small Commercial | Defined residential and smaller commercial construction | Separate Utah general classification. |
| E100 General Engineering Contractor | Civil, utility and engineering-type general work | Scope differs from B100. |
| E200 General Electrical Contractor | Business classification for general electrical work | Separate master-level qualifier and licensing requirements. |
| P200 General Plumbing Contractor | Business classification for general plumbing work | Separate plumbing-specific licensing rules. |
| H100 HVAC Contractor | Mechanical/HVAC contracting | Separate Utah licensing and additional testing. |
| NASCLA Accredited Commercial General Building Exam | Standardized national trade knowledge test | Utah recognizes a passing score for general-contractor experience. |
| Utah Contractor Business and Law Exam | State contracting law, finance and operations | Separate Utah examination unless recognized exemption applies. |
| NASCLA National Examination Database | Electronic transmission of exam results | Not license reciprocity by itself. |
The national exam, the Utah contractor license and the Utah Business and Law examination are related but separate parts of the process.
Best for: Candidates seeking the national accredited commercial exam.
Best for: Construction businesses pursuing Utah general-building work.
Best for: Applicants preparing the separate Utah state exam.
The NASCLA Commercial General Building examination is challenging because it covers the whole process of constructing a commercial building, from bidding and site preparation through technical installations and project closeout. You must be ready for questions on contracts, drawings, safety, concrete, structural systems, waterproofing, finishes and building systems. The breadth is what makes it different from a narrow specialty exam.
The open-book format helps only if you know where to look. The 2026 PSI outline requires 81 correct answers from 115 scored items, while 10 additional questions are unscored and mixed in. Because you cannot identify the pretest items, every question deserves attention. A test with 125 displayed questions in 330 minutes leaves little room to explore a construction manual from the beginning.
The weighting chart gives a practical starting point. Procurement and Contracting Requirements has 31 scored questions, General Requirements has 25 and Site Construction has 15. Together they represent 71 of the 115 scored questions. That is why contracts, estimating, project documents and site management should be study priorities. You still need to review all the other categories, especially any subject that is unfamiliar.
Contractors with years of jobsite experience often know what happens on a project but may be slower finding the published rule or technical reference that supports an answer. Practice making that connection. If a practice question asks about concrete reinforcement, learn which concrete reference to use; if it concerns payment disputes, start with the contract or management references.
A consistent six-week schedule can build speed and confidence, but it cannot promise a passing score. Test yourself under the real time limit, read the official PSI bulletin and adjust your study plan based on the mistakes you actually make. In Utah, remember that passing NASCLA meets an experience alternative. Finishing the contractor application and the state Business and Law requirement is a separate project.
Prepare the permitted reference stack, testing-center identification and calculator a few days before the appointment. The biggest surprise on exam day should be an unfamiliar question, not an unexpectedly prohibited book.
The following products link directly to ContractorExamPreps.com. Compare each package with the most recent official reference list before ordering, because product book editions and testing rules may not always change on the same day.
Best for: Candidates building a complete reference library for the NASCLA and state licensing study paths.
Best for: Candidates who want a broad package without keeping every large reference book.
Best for: Candidates who already have references and want structured review online.
Individual Utah Business and Law reference: Utah NASCLA Contractors Guide, 4th Edition, Highlighted and Tabbed.
Additional national choice: NASCLA Complete Exam Prep with books and online study.
Separate tab option: Utah 4th Edition Tabs Bundle. Always confirm tab rules.
DOPL • B100 • NASCLA • PSI • COMMERCIAL GENERAL BUILDING • 115 SCORED • 330 MINUTES
Utah B100 and NASCLA Licensing
It is the NASCLA Accredited Examination for Commercial General Building Contractors, a national construction-knowledge test. Utah accepts passing it as an alternative to the usual general-contractor experience requirement.
No. Utah DOPL issues the business license once all state licensing conditions have been met.
No. It is one of several DOPL-recognized ways to satisfy the general-contractor experience requirement.
B100 is Utah's General Building Contractor classification. Review DOPL's scope and application before choosing it.
DOPL generally requires two years, or 4,000 hours, of paid construction-industry experience for applicable general classifications, with recognized alternatives.
Yes. Utah DOPL explicitly recognizes passing the NASCLA Accredited Examination for Commercial General Building Contractors as an alternative.
Not automatically. The Utah Business and Law exam remains required for applicable classifications unless DOPL confirms a separate exemption.
DOPL's current general contractor examination instructions focus on Utah Business and Law. NASCLA is a recognized experience alternative, not a mandatory separate state B100 trade test.
No. B100 General Building and R100 Residential and Small Commercial have different defined scopes.
No. NASCLA scores can be transmitted to participating agencies, but each jurisdiction has its own licensing requirements. Utah has endorsement options rather than simple automatic reciprocity.
NASCLA PSI Examination
NASCLA approves the application. PSI administers the computerized examination.
There are 115 scored questions and 10 unscored pretest questions, for 125 displayed items.
No. They are mixed into the exam and do not affect your score.
You need at least 81 correct answers among 115 scored items.
330 minutes, or five hours and thirty minutes.
Yes, subject to the approved reference list and PSI testing-center policies.
Apply through NASCLA, wait for approval, then register and schedule through PSI.
The July 2026 PSI bulletin lists a $130 exam fee. Confirm the current amount when scheduling.
The July 2026 bulletin describes a one-year eligibility period from approval.
The July 2026 bulletin allows up to three attempts within the one-year eligibility period.
PSI allows an approved silent, nonprinting, nonprogrammable calculator without an alphabetic keyboard. Confirm current rules.
PSI states that a physical diagram or blueprint packet will be provided onsite for the applicable questions.
NASCLA Books and Exam Subjects
The July 2026 PSI outline lists twelve scored content domains.
Procurement and Contracting Requirements, with 31 scored questions.
25 scored questions in the published 2026 outline.
15 scored questions in the published PSI outline.
Yes. Procurement and Contracting Requirements covers bids, estimating, contract administration, project controls and related tasks.
Yes. Concrete has six scored questions in the current outline.
Yes. Metals has six scored items and Masonry has four.
Yes. Thermal and Moisture Protection includes five scored items.
Yes. Jobsite safety appears in general requirements and other domains. OSHA construction regulations are among the official references.
Yes. Electrical Systems has three scored items and Mechanical and Plumbing Systems has six.
The July 2026 PSI bulletin lists the 2021 or 2024 International Building Code. Always check the live reference list before your appointment.
No. The Utah-specific guide is for the state examination, while the NASCLA Contractors Guide Basic 14th Edition appears on the national exam reference list.
PSI permits only specified types of marking and indexing. Check the current rules before applying tabs or adding notes.
No. The exams cover related but separate content. Prepare for the Utah-specific law and business subjects independently.
Books and Contractor Exam Preps
Yes. It lists the Utah NASCLA Commercial General Building Contractors Complete Book Set.
Yes. Contractor Exam Preps lists a Utah NASCLA Commercial General Building Contractor Online Exam Prep Course.
The store lists a Utah NASCLA Ultimate Exam Prep Rental Package with study resources. Read the current rental and deposit terms.
Yes. Contractor Exam Preps lists the Utah NASCLA Contractors Guide to Business, Law and Project Management, 4th Edition, with tabs.
No. Only the references and editions currently allowed by PSI may be used at the test center.
No. Books help with study. Utah licensing depends on DOPL approval and all applicable state requirements.
Compare the current PSI Candidate Information Bulletin with the product listing, then confirm any differences with the seller and PSI.
Use Utah DOPL's General Contractor application and Contractor Exam Information pages, not a product listing alone.
Watch this verified 1ExamPrep video on the NASCLA multistate contractor examination. It explains the value of practice, reference-book navigation, and preparation for the open-book test. The video covers the national NASCLA test rather than acting as an official Utah licensing bulletin.
Watch the NASCLA Multistate Contractor Exam video on YouTube
Study tip: When the video discusses book tabs and exam-day strategies, always check the current PSI reference and security policy before making changes to your approved books.
Use official licensing and testing pages for rules, and Contractor Exam Preps pages for available study books and courses. Study product descriptions are not substitutes for agency decisions.
Before purchasing: Compare the current book package with the NASCLA PSI Candidate Information Bulletin.
Before applying: Check the current DOPL Utah B100 classification and Business and Law requirements.
Build a better study plan with the right references, reliable testing rules and the right Utah licensing steps.
Preparing for the Utah NASCLA General Contractor exam is easier when you understand that there are two separate goals. The first is passing the national NASCLA Accredited Examination for Commercial General Building Contractors. The second is qualifying for the Utah contractor license that matches the work you plan to perform. Passing NASCLA can satisfy Utah's ordinary general-contractor experience requirement, but it does not, by itself, authorize you to operate a construction business. Utah's Division of Professional Licensing still decides whether your B100 or other application meets every requirement. That difference is the single most important licensing point in this guide.
The July 2026 NASCLA PSI bulletin establishes a clear exam target. The national test includes 115 scored questions plus ten unscored pretest questions. You have 330 minutes to complete the 125 displayed questions, and at least 81 correct scored answers are required to pass. The test is open book, but only with authorized references and under PSI's test-center rules. A candidate should verify the latest bulletin before booking and should not assume that a book bought last year is still the right edition. For questions based on construction codes, the approved code editions are especially important.
The twelve scored subjects cover nearly every stage of commercial construction. Procurement and Contracting Requirements accounts for 31 scored items, General Requirements for 25, and Site Construction for 15. Those three domains total 71 scored items, making them sensible priorities for early study. The rest of the outline covers concrete, masonry, metals, wood, roofing and waterproofing, glazing, finishes, mechanical and plumbing coordination, and electrical systems. A contractor who wants to pass the national exam should not ignore these smaller categories. Buildings do not become finished projects by paperwork alone.
A six-week schedule gives you a way to organize the broad reference list. Begin by reading the PSI bulletin and arranging the approved books. Follow with the heavily weighted project management and contracting subjects, then study sitework and the technical building trades. Practice locating exact sections and tables while a timer is running. Review wrong answers and write down which approved reference provides the rule or explanation. Finally, complete full-length timed simulations so you can judge whether your reference-navigation speed is good enough for a real five-and-a-half-hour session.
Related books and courses from Contractor Exam Preps can help you organize that preparation. The Utah NASCLA Complete Book Set supports candidates who need a full reference collection. Its Utah online study course helps readers work through material and practice exam questions. Rental packages can provide an alternative to purchasing every large volume, while the Utah NASCLA Business and Law guide supports preparation for the separate state requirement. Read product details carefully and compare editions with the official PSI list. The correct package is one that suits your needs and the testing rules, not just the largest stack of books.
After passing, keep your NASCLA result and use the National Examination Database when an appropriate licensing agency needs your transcript. For Utah, confirm the applicable Business and Law examination, prelicensure education, entity registration, insurance and financial-responsibility documentation. Those steps belong to state licensing, not the national NASCLA exam. Stay focused, use official sources for rules, and practice the actual skills the examination measures. With preparation, you can approach the test with a plan instead of hoping that an open book will find the answers for you.
The Utah NASCLA General Contractor exam prep process starts with understanding what the NASCLA examination can and cannot do. NASCLA offers a national commercial general building examination. Utah recognizes a passing result as one way to satisfy the experience requirement for its general contractor classifications. That does not mean the examination is a Utah business license. If you want to work as a Utah General Building Contractor, you must still apply to the Utah Division of Professional Licensing and satisfy the other conditions for your classification. For commercial general building work, many applicants are concerned with the B100 General Building Contractor path.
The current NASCLA Accredited Examination for Commercial General Building Contractors is given by PSI after NASCLA approves your exam application. The official July 2026 outline shows 115 scored questions and ten additional pretest questions, so you will see 125 in total. The exam lasts 330 minutes, or five hours and thirty minutes. You must answer at least 81 of the scored items correctly. It is open book, but the fact that books are allowed does not mean you can bring anything you want. Use the approved reference list in the current PSI Candidate Information Bulletin.
The test covers twelve subject areas. The biggest is Procurement and Contracting Requirements, with 31 scored questions. General Requirements is next with 25 questions, followed by Site Construction with 15. These subjects involve project paperwork, bids, contracts, cost control, construction planning, site conditions and safety. The remaining topics include concrete, masonry, metals, wood, moisture protection, doors and windows, finishes, mechanical and plumbing systems, and electrical systems. General contractors are responsible for knowing how these parts of a project fit together, even when a licensed specialty subcontractor performs the actual trade work.
Books and references are very important for NASCLA preparation. The current PSI bulletin names the approved construction manuals and code editions. It includes the International Building Code 2021 or 2024 and many references covering OSHA safety, management, concrete, roofing, steel, wood, accessibility and other technical subjects. Since this is an open-book test, study how to locate answers quickly. Read the question, identify the right subject, open the correct book and check any relevant notes or exceptions. Practice with a clock so book searches do not use all your examination time.
Contractor Exam Preps offers Utah NASCLA study choices that may fit different schedules and budgets. You can review a complete Utah commercial building book set, an online prep course, a rental package or the Utah-specific NASCLA Contractors Guide to Business, Law and Project Management. The Utah guide is used for state Business and Law preparation and is not the same as the NASCLA Basic national business reference. Always check what each package contains and confirm the book editions against the official PSI reference list. The store helps with preparation, while the state and examination provider set the rules.
A practical six-week study plan begins with organizing your official references and reviewing the Utah license application. Spend the next two weeks on the highest-weight exam domains. Then study the major building trades and safety topics. In the final week, use complete practice examinations and review mistakes. After passing NASCLA, complete any Utah Business and Law examination and the remaining DOPL business application requirements. The process may include prelicensure education, company registration, insurance and financial responsibility. Keep your NASCLA transcript and application records organized. The goal is not just to pass one exam but to obtain the correct Utah license and run your projects responsibly.