NASCLA Commercial General Building • 115 Scored Questions • 330 Minutes • 81 Correct to Pass • Open Book • Separate South Carolina Business and Law Exam • PSI • Qualifying Party Certification
Commercial construction looks exciting from the street. You see cranes, steel, concrete, new walls, and a building that gets taller each week. Behind the scenes, a general contractor has a much bigger job: turning plans into safe, finished work while managing people, materials, money, schedules, inspections, and contracts.
That combination of field knowledge and business judgment is exactly why the NASCLA commercial general building exam can feel so wide-ranging. One question may cover concrete reinforcing. The next may involve a project schedule, safety rule, or metal roof detail. You do not need to be the person installing every system, but you need to understand how each piece fits together.
In South Carolina, the Contractors' Licensing Board recognizes the NASCLA Accredited Examination for Commercial General Building Contractors as a technical examination route for commercial building classifications. However, NASCLA is only the testing part of the journey. It is not a contractor license, and it does not replace South Carolina's separate commercial Business Management and Law examination.
Contractor Exam Preps offers a South Carolina-specific NASCLA complete reference book set, online study courses, highlighted business-and-law materials, and book-rental options. This guide explains when those resources are useful and why you must check the current official bulletin before preparing your testing-room books.
The NASCLA Accredited Examination for Commercial General Building Contractors is a national, open-book trade examination used or accepted by participating state licensing agencies.
It tests knowledge of commercial project planning, procurement, estimating, workplace safety, jobsite operations, concrete, structural systems, carpentry, finish materials, building services, and codes.
The published exam format includes 115 scored questions, a 330-minute time limit, and 81 correct answers needed to pass. Some examination versions include additional unscored pilot questions. Consult the current PSI bulletin for your actual appointment.
A passing NASCLA score may be entered in NASCLA's National Examination Database, allowing the candidate to request score transfers to other participating jurisdictions. Each state still decides whether to grant a license under its own law.
South Carolina's Board uses qualifying parties to connect tested technical knowledge to the license applicant. A business needs the right Primary Qualifying Party for the classification requested.
No. Passing the NASCLA exam is not permission to bid, contract, or perform regulated commercial work. South Carolina requires a separate state license and certification process.
Applicants must meet qualifying-party requirements, document relevant work experience, pass the South Carolina Business Management and Law for Commercial Contractors exam, submit licensing paperwork, and support the requested license group with accepted financial documentation or a surety bond.
The South Carolina Contractors' Licensing Board also determines classification and scope. Limited Building and Unlimited Building are not the same as earning a NASCLA test score.
Anyone promising an instant contractor license after one exam is skipping important steps. The Board, not a study course, makes licensing decisions.
The South Carolina Contractors' Licensing Board operates through the Department of Labor, Licensing and Regulation (LLR). It administers commercial general and mechanical contractor licensure.
The Board requires an applicant to designate a Primary Qualifying Party, often called a PQP. A PQP is the person primarily responsible for directing or reviewing work for the license classification.
For candidates applying by examination, the Board generally requests at least two years of relevant work experience performed within the preceding five years, usually focused on commercial work unless the requested classification provides another rule.
Applications also require approved documentation supporting the business entity, the proper fees, and information about financial capacity or bonding.
The national technical examination is open book. That is helpful, but it does not mean easy. With 115 scored questions and 330 minutes, you have fewer than three minutes per scored question on average before accounting for any unscored items.
Successful candidates learn which reference book addresses each topic, where key tables live, and how to recognize when a scenario involves a specific construction standard.
Practice navigation before the exam. A book you have never opened is not an exam strategy. It is a very heavy paperweight.
The passing requirement is 81 correctly answered scored questions out of 115. That is just over 70% when expressed as a percentage; aim higher in your practice tests.
All individuals requesting qualifying-party certification must pass the South Carolina Business Management and Law for Commercial Contractors examination, according to the Board's current licensure instructions.
This exam addresses contractor organization, bidding, contracts, project management, financial duties, safety administration, labor rules, insurance, tax matters, and other South Carolina business responsibilities.
Study with the South Carolina Commercial Contractors edition of the NASCLA Contractors' Guide to Business, Law and Project Management. The store currently lists the 9th Edition, including a highlighted and tabbed option.
The national NASCLA technical library also includes a separate Basic NASCLA Business, Law and Project Management guide. The national basic guide does not automatically replace South Carolina's own business-and-law reference.
For the latest South Carolina exam question count, time limit, testing fees, and permitted reference conditions, use the current PSI bulletin. Those state-specific details should not be copied from another state's contractor examination.
South Carolina assigns General Contractor license groups based on the financial information or approved surety bond accompanying the application.
Group 1 permits jobs up to $100,000. Group 2 reaches $400,000. Group 3 reaches $1 million, Group 4 reaches $3 million, and Group 5 has no dollar cap under the published group table.
Each group has its own working-capital, net-worth, or surety-bond requirements. Meeting an exam standard does not place a new company into the unlimited financial group.
The Board's official licensure page provides current figures and specifies when an owner-prepared, CPA-prepared, or audited financial statement is necessary.
Use NASCLA online exam preparation for structured question practice and South Carolina complete reference books to build codebook navigation skills.
The business side of building is not separate from field work. A poorly written scope can produce costly disputes, and an unrealistic schedule can leave crews waiting for materials. Review bid documents, specifications, subcontracts, change orders, payment applications, procurement planning, schedules and closeout responsibilities.
Practice finding construction OSHA requirements under 29 CFR Part 1926. Review fall protection, scaffolds, ladders, trench hazards, cranes, personal protective equipment, and emergency planning. Know the difference between a general safety practice and a specific regulatory requirement.
Study reinforcement placement, formwork, curing, concrete quality, load paths, foundation construction, masonry installation, steel connections, joist installation, metal decking, wood framing and truss handling. Understand where specialized reference standards control instead of guessing from jobsite habits.
Roofing, water management, doors, windows, glazing, wall systems, gypsum installation, thermal protection and accessibility all matter in commercial work. Problems hidden behind drywall have a habit of becoming expensive later, so learn installation concepts and inspection checkpoints.
General contractors coordinate electrical, mechanical and plumbing subcontractors. Study basic system placement, penetrations, sequencing, equipment access and trade coordination. This does not authorize a general contractor to perform separately licensed specialty work.
The South Carolina NASCLA Complete Book Set combines national technical references with the South Carolina commercial business-and-law guide. The NASCLA Online Prep Course adds guided study and computer-based practice. For targeted state business topics, consider the South Carolina Commercial Business and Law Pass Package.
Candidates seeking the broadest convenience can compare a South Carolina NASCLA book rental and the all-inclusive South Carolina NASCLA preparation package. Compare current editions, quantities, and included services on each product page.
Important South Carolina NASCLA Licensing Update: The NASCLA commercial-building technical exam is recognized for South Carolina licensing, but passing it alone does not create a contractor license. A qualifying party must meet the applicable trade-exam route, pass South Carolina Business Management and Law for Commercial Contractors, document generally two years of qualifying work within five years when applying by exam, and complete Board paperwork. The company must satisfy its requested general-contractor group through acceptable financial statements or a surety bond. The NASCLA exam allows 330 minutes for 115 scored questions and requires 81 correct. Refer to the current LLR and PSI rules for requirements that change.
A South Carolina commercial general contractor holds a state contractor license in the appropriate general building classification and financial group. The business may organize and manage building construction within the scope approved by the Contractors’ Licensing Board.
NASCLA is a recognized way for the qualifying party to demonstrate commercial general building knowledge. It is not a separate government license and does not replace the business application.
South Carolina distinguishes Limited Building and Unlimited Building classifications. A contractor should review which one fits the intended projects and whether other classifications or trade licenses are required.
Technical exam: NASCLA Accredited Examination for Commercial General Building Contractors.
Exam format: 115 scored questions, 330 minutes, open book, 81 correct.
Board: South Carolina Contractors’ Licensing Board.
State requirement: Separate SC Business Management and Law examination.
License capacity: Limited by classification and financial group.
| Requirement | Published Information | Preparation |
|---|---|---|
| State | South Carolina | Follow SC LLR regulations. |
| License Board | SC Contractors’ Licensing Board | Use official licensing packet. |
| State Agency | SC Labor, Licensing and Regulation | Confirm current legal requirements. |
| National Exam | NASCLA Commercial General Building | Technical qualification pathway. |
| National Exam Provider | PSI | Use current candidate bulletin. |
| Scored NASCLA Questions | 115 | Practice full-length testing. |
| NASCLA Duration | 330 Minutes | Train for 5½ hours. |
| NASCLA Passing | 81 Correct | About 70% of 115 scored items. |
| Exam Format | Open Book | Verify approved references. |
| Pretest Questions | May be included | Follow current PSI bulletin. |
| Separate State Exam | SC Commercial Business Management and Law | Required for qualifying-party certification. |
| SC State Exam Book | South Carolina Commercial Contractors Guide, 9th Ed. | Check current PSI reference edition. |
| Basic NASCLA Book | NASCLA Business, Law and Project Management, Basic | Separate national reference. |
| State Business Exam Format | Current PSI bulletin controls | Confirm question count and time. |
| Primary Qualifying Party | PQP required per classification | Designated responsible individual. |
| Other Qualifying Party | QP may be certified | Follow Board assignment rules. |
| Experience for Examination Route | Two years within previous five | Submit work experience affidavit. |
| Experience Scope | Primarily Commercial | Review special classification rules. |
| Exam Preapproval | No general preapproval to schedule PSI tests | Check Board procedure. |
| Exam Results | Technical and SC Business/Law pass sheets | Submit with correct applications. |
| NASCLA Score Transmission | Direct NASCLA transcript to Board | Use NASCLA National Exam Database. |
| Limited Building | Separate classification | Confirm building-height and group scope. |
| Unlimited Building | Separate classification | Technical exam and financial group. |
| Group 1 Project Limit | $100,000 | Meet group 1 financial criteria. |
| Group 2 Project Limit | $400,000 | Meet group 2 financial criteria. |
| Group 3 Project Limit | $1,000,000 | Meet group 3 financial criteria. |
| Group 4 Project Limit | $3,000,000 | Meet group 4 financial criteria. |
| Group 5 Project Limit | Unlimited | Meet highest financial criteria. |
| Group 1 Surety Bond | $20,000 | Alternative to financial statements. |
| Group 2 Surety Bond | $60,000 | Check bond form requirements. |
| Group 3 Surety Bond | $150,000 | Check bond form requirements. |
| Group 4 Surety Bond | $250,000 | Check bond form requirements. |
| Group 5 Surety Bond | $350,000 | Check bond form requirements. |
| Initial License Fee | $350 published by Board | Reconfirm before submitting. |
| SC General Contractor Expiration | October 31 of even-numbered years | Renew on time. |
| Corporate/LLC Registration | SC Secretary of State verification | Sole proprietors handled differently. |
| Work Experience Affidavit | Board Doc. 167 | Document project history. |
| License Application | Board Doc. 165 | Submit after PQP exam completion. |
| Qualifying Party Application | Board Doc. 168 or 181 as applicable | Use current form. |
| Concrete, Masonry, Wood | NASCLA study categories | Review reference indexes. |
| Site Work and Safety | NASCLA study categories | Review excavation and OSHA. |
| Financial Statements | Group-dependent | CPA requirements vary. |
| Exam Study Product | South Carolina Complete Book Set | View South Carolina Books |
| Detail | Exam Path | Information |
|---|---|---|
| Exam | NASCLA Commercial General Building | Accredited national technical exam |
| Questions | NASCLA Technical | 115 scored |
| Passing | NASCLA Technical | 81 correctly answered scored items |
| Duration | NASCLA Technical | 330 minutes |
| Reference Rules | NASCLA Technical | Open book; current bulletin governs |
| Provider | NASCLA Technical | PSI |
| Exam Score Transfer | NASCLA Technical | Request through NASCLA NED |
| Separate State Test | South Carolina | Business Management and Law for Commercial Contractors |
| State Testing Provider | South Carolina | PSI |
| State Exam Book | South Carolina | Commercial Contractors, 9th Edition currently sold |
| Question Count | SC Business and Law | Check current PSI bulletin |
| Passing Standard | SC Business and Law | Check current PSI bulletin |
| License Issuer | South Carolina | Contractors’ Licensing Board |
| Exam Applicant | South Carolina | Primary Qualifying Party or qualifying party |
| Experience | South Carolina | Normally two years within previous five for exam route |
| Limited Building | South Carolina | Building height/group restrictions apply |
| Unlimited Building | South Carolina | Check classification and job limit |
| Group 1 | State Financial | Jobs up to $100,000 |
| Group 2 | State Financial | Jobs up to $400,000 |
| Group 3 | State Financial | Jobs up to $1 million |
| Group 4 | State Financial | Jobs up to $3 million |
| Group 5 | State Financial | Unlimited dollar group |
| Safety | NASCLA | OSHA 29 CFR Part 1926 |
| Project Management | NASCLA | Schedules, contracts, procurement |
| Concrete | NASCLA | ACI 318 and reinforcing |
| Building Codes | NASCLA | Use examination-approved code edition |
| Building Systems | NASCLA | Mechanical, plumbing, and electrical coordination |
| Reference Library | NASCLA | Many technical books and standards |
| Study Method | NASCLA | Timed navigation and practice questions |
Important: NASCLA trade testing and South Carolina Business Management and Law testing are separate.
NASCLA technical exam: 115 scored items, 330 minutes, 81 correct required.
Licensing: Passing exams does not automatically issue a license.
The national NASCLA content outline covers twelve commercial construction categories. Each question can require you to select the correct book, understand the rule, and apply it to a jobsite situation.
31 scored questions. Study bidding, purchasing, subcontracts, estimating, contracts, changes, project records, insurance and financial controls.
25 scored questions. Review plans and specifications, construction management, codes, worker safety, project administration and quality control.
15 scored questions. Study earthwork, excavation, site preparation, drainage, foundations, utility coordination and erosion controls.
6 scored questions. Review ACI 318, reinforcing, concrete placement, curing, testing and inspection.
4 scored questions. Study brick, block, stone, mortar, joints, flashing, lintels and masonry installation.
6 scored questions. Review steel decks, joists, metal fabrication, precast erection connections and structural coordination.
5 scored questions. Study framing, structural lumber, manufactured trusses, bracing and construction carpentry.
5 scored questions. Review roofs, insulation, sealants, waterproofing and building-envelope protection.
4 scored questions. Review installation, anchorage, openings, accessibility and common glazing considerations.
5 scored questions. Study gypsum assemblies, interior finishes, flooring, coatings and finish coordination.
6 scored questions. Review construction coordination, plumbing layouts, mechanical systems, routing and building services.
3 scored questions. Review power distribution, plans, equipment coordination and safe interfaces with licensed electricians.
Exam weighting: The 12 category counts total 115 scored questions.
Study priorities: Procurement and Contracting, General Requirements, and Site Construction make up 71 questions.
Reference rule: Always confirm approved book editions with PSI/NASCLA before testing.
Start with the exact exam. South Carolina uses the NASCLA commercial building technical path and a separate state business-and-law examination. Write both test names on your study calendar so one does not disappear behind the other.
Confirm your eligibility and classification with the Contractors’ Licensing Board. Identify the Primary Qualifying Party, gather commercial work records, and review the current application instructions.
Obtain the current NASCLA/PSI examination reference list. Do not assume a codebook printed last year is the edition accepted tomorrow.
Organize your technical books by subject. Add approved tabs only when the candidate bulletin permits them. Review the index, contents and important tables before starting practice exams.
Begin with frequent topics: procurement, project management, safety, site construction, concrete, steel, wood, roofing and building systems.
Complete short question sets each day. Review every missed answer and note which book provides the correct rule.
Run timed 330-minute practice sessions to train pacing. Practice moving past difficult questions and returning later.
Use separate study sessions for South Carolina contract law, financial responsibilities, estimating, insurance, recordkeeping and related business topics.
Before test day, verify identification, book marking requirements, testing center information and fees. After testing, retain score reports and request required NASCLA transcript transmission.
Explore the NASCLA self-paced course and South Carolina commercial reference set for consistent practice materials.
First: Verify the technical and state exam requirements.
Second: Organize approved references and navigation tabs.
Third: Practice questions, calculations and drawings.
Fourth: Study South Carolina business and law separately.
Fifth: Prepare PQP experience and licensing paperwork.
This simplified diagram shows how commercial general building contractors connect procurement, planning, field trades, safety, inspections and project closeout.
Educational project-flow illustration, not a jobsite schedule or construction specification.
Determine whether Limited Building, Unlimited Building or another classification fits your commercial projects.
Designate the individual responsible for trade qualification and work oversight.
Prepare applicable two-years-within-five-years work experience information for the examination route.
Use PSI and verify the current 115-question, 330-minute national examination rules.
Practice estimating, jobsite safety, concrete, steel, wood, sitework and building systems.
Complete the separate state commercial Business Management and Law examination.
Send official transcript or score sheets, PQP materials, financial statements or bond, entity verification and fees.
Work only after Board approval; obey classification, financial group, project limits and renewal rules.
This twelve-topic distribution is a study-planning illustration drawn from a NASCLA commercial building outline. Confirm the current PSI candidate bulletin for the official South Carolina-administered NASCLA blueprint and exact topic counts, since outlines can change.
Scored total: 115 questions in twelve categories.
Top three categories: 71 of 115 questions, approximately 61.7%.
Important: Ten unscored pretest questions are not part of the table.
Current reference editions: Check the latest NASCLA/PSI bulletin.
The following are major books and resource categories appearing in Contractor Exam Preps listings. Edition lists and approved exam-room books can change; use the current PSI/NASCLA bulletin to determine what may actually be taken into testing.
| Book or Reference | Edition or Format | Study Purpose |
|---|---|---|
| NASCLA Commercial General Building Bulletin | Current PSI/NASCLA | Official references and exam rules |
| South Carolina Contractors Guide to Business, Law and Project Management | South Carolina Commercial Contractors, 9th Ed. | Separate state business exam study |
| NASCLA Contractors Guide to Business, Law and Project Management | Basic 14th Edition (store listing) | National exam reference |
| Construction Jobsite Management | 5th Edition | Safety, trade coordination and field control |
| Construction Project Management | 5th Edition | Scheduling, contract documents and controls |
| ACI 318 | 2019 | Structural concrete |
| BCSI Truss Guide | 2025 | Wood-truss handling and bracing |
| International Building Code | 2021 in store package | Building design and code review; verify exam-approved edition |
| OSHA Construction Standards | 29 CFR Part 1926 | Construction safety |
| Modern Masonry | 10th Edition | Masonry techniques |
| Carpentry and Building Construction | 2016 | Framing and structural wood |
| Steel Deck Institute Manual of Construction | 3rd Edition | Steel deck installation |
| Gypsum Construction Handbook | 7th Edition | Gypsum and interior finishes |
| Roofing Construction and Estimating | Store-listed edition | Roofing |
| Mechanical and Electrical Systems for Construction Managers | Store-listed 4th Edition | Trade coordination |
| ICC A117.1 Accessibility | 2017 in store package | Accessible construction |
| South Carolina Complete Book Set | Contractor Exam Preps | Combined reference library |
| NASCLA Course | Contractor Exam Preps | Practice tests, tabbing and video instruction |
National exam: Follow NASCLA and PSI approved technical references.
South Carolina state exam: Use the current approved South Carolina Commercial Contractors business-and-law guide.
Store packages: Compare included editions with the official candidate bulletin.
Both the national NASCLA exam and South Carolina Commercial Business and Law exam are open book, but they use different reference materials. A large pile of books is not a study strategy. Learn what each book covers and practice getting to the answer quickly.
A properly licensed South Carolina commercial general contractor may manage construction activities covered by the company’s approved classification and financial group. An Unlimited Building classification and a Limited Building classification do not grant identical rights.
Common responsibilities include bidding commercial work, coordinating structural trades, managing site preparation, ordering materials, supervising work, arranging inspections, and delivering a finished building under contract.
The company must comply with local permits, applicable building codes, safety regulations, specialty licensing requirements, and contract conditions. A NASCLA exam score is proof of test performance, not a stand-alone authorization to perform these activities.
Work limits also depend on the financial group. A Group 1 contractor has a published $100,000 bid-and-job limit, while Group 5 is the unlimited dollar group. Follow the Board’s official rules on classification, financial eligibility and amendments.
Legal work scope: Defined by Board classification and license status.
Financial group: Determines maximum bid and job size.
Separate specialty work: Requires appropriate licensed professionals where required.
NASCLA score: Does not authorize contracting by itself.
| Credential or Examination | Purpose | Important Distinction |
|---|---|---|
| NASCLA Commercial Building Exam | National technical examination | Score may be accepted by participating state boards; no license issued |
| SC Primary Qualifying Party | Responsible technical representative | PQP certification plus South Carolina business exam |
| SC Limited Building Contractor | State general contractor classification | Height and group limitations apply |
| SC Unlimited Building Contractor | State general contractor classification | Classification plus financial group controls authorized work |
| SC Business Management and Law | Separate state examination | Needed regardless of technical certification method |
| SC License Group 1 | Financial-capacity classification | Bid/job ceiling: $100,000 |
| SC License Group 5 | Financial-capacity classification | Unlimited bid/job dollar ceiling |
| SC Mechanical Contractor | Separate state classification | Different technical scope and licensing |
| SC Residential Builder | Different regulatory licensing path | Do not confuse with commercial NASCLA testing |
| NASCLA National Examination Database | Score transfer service | Other states still decide licensing eligibility |
115 Questions • 330 Minutes • 81 Correct
Best for: Candidates qualifying through the national commercial building exam
Separate Mandatory State Examination
Best for: Candidates who need the South Carolina state commercial exam
PQP • Experience • Financial Group
Best for: Businesses applying for their South Carolina commercial license
The NASCLA commercial building test can be difficult even for experienced contractors. It covers a much broader group of topics than one trade examination and requires quick reference-book navigation.
With 115 scored questions and 330 minutes, candidates cannot spend ten minutes reading every chapter for a single answer. They need enough familiarity to identify the subject and find the right reference quickly.
Some questions are straightforward jobsite decisions. Others require planning concepts, quantities, contracts, OSHA rules, masonry practices, structural references or code tables.
Exam preparation is more effective when practiced in small daily sessions and longer timed simulations. A consistent review habit builds the ability to identify similar answer choices and select the option that fits the stated conditions.
South Carolina adds a second examination challenge: Commercial Business Management and Law. That exam focuses on the practical obligations of operating a construction business in the state.
Passing NASCLA and the South Carolina state exam is still not the end of the process. Candidates must also be ready to submit experience records and meet license group requirements.
Start with the right bulletin, use matching books, practice the hardest topics, and learn how to move efficiently among references.
These related ContractorExamPreps.com listings support the national trade test and the separate South Carolina commercial business-and-law examination. Review the current product pages for availability, exact editions and included course access.
SC Business Guide • National Technical References
Best for: Candidates wanting the complete physical study library
Self-Paced • Practice Questions • Simulated Exam
Best for: Candidates who want structured online technical preparation
State Business Exam • Highlighted Guide • Flash Cards
Best for: Candidates preparing for the separate required state examination
South Carolina reference: The South Carolina Commercial Contractors business-and-law guide is separate from the national NASCLA Basic guide.
Reference editions: Check the current PSI list before bringing books or tabs.
Study options: South Carolina Book Rental and NASCLA Pre-Printed Tabs are also listed in the store.
Actual South Carolina NASCLA commercial building study product image from ContractorExamPreps.com.
This is commercial building exam-preparation artwork from the store’s South Carolina book package listing. It is not a state contractor license, NASCLA certificate or government-issued document.
South Carolina NASCLA book package product artwork.
NASCLA Commercial Building • South Carolina PQP • PSI • Business and Law • Commercial Building Code • Construction Management
South Carolina Contractor Licensing
Yes. The South Carolina Contractors’ Licensing Board participates in the national commercial building examination program. The score may meet the applicable technical testing path, but additional state licensing requirements apply.
No. You must meet the Board’s qualifying-party, business-and-law exam, experience, financial, entity and application requirements before a license is issued.
The South Carolina Contractors’ Licensing Board operates through the Department of Labor, Licensing and Regulation.
A PQP is the individual designated as primarily responsible for directing or reviewing the company’s work for the requested classification.
The Board generally requires applicants using the examination route to document at least two years of relevant work experience performed within the preceding five years. Review the rules for your classification and route.
The Board states that general preapproval is not required to schedule PSI examinations. Follow current PSI and Board procedures.
No. The exam is a technical qualification route. The Board determines whether the company qualifies for Limited or Unlimited Building classification and the requested financial license group.
You may request transcript transmission through NASCLA’s National Examination Database to participating jurisdictions. Each state has its own licensing criteria.
NASCLA Commercial General Building Exam
The published format contains 115 scored questions. Additional unscored questions may be used; verify the current candidate bulletin.
The published time limit is 330 minutes, or five and one-half hours.
You need at least 81 correct scored answers out of 115.
Yes. Only approved editions and materials meeting the current testing rules may be used.
Yes. Safety is important. Review OSHA construction standards, excavation safety, scaffolds and fall protection.
Yes. The technical exam covers commercial structural and installation subjects including concrete, masonry, steel systems and wood construction.
Yes. Procurement, estimating, contracts, project scheduling and construction management are key preparation topics.
Study quantities, measurements, estimates and other practical construction calculations covered by approved references. Use the current exam outline for specific scope.
Permitted reference conditions are specified by PSI. Do not assume all tabs, notes or loose papers are allowed.
South Carolina Business and Law Examination
Yes. South Carolina requires its own Commercial Business Management and Law examination for qualifying-party certification.
Use the edition listed in the current PSI bulletin. Contractor Exam Preps currently sells the South Carolina Commercial Contractors NASCLA business and law guide, 9th Edition.
No. The national Basic NASCLA guide and South Carolina Commercial Contractors guide are distinct references used for different examination purposes.
Yes. Study contracts, estimating, company administration, finance, insurance, taxes, liens, labor matters and project management.
Check the latest PSI South Carolina contractor candidate bulletin for the current question count, passing standard and time limit; do not substitute NASCLA technical exam figures.
Financial Groups and Work Limits
Five financial groups are published by the Board, with different bid-and-job dollar limits.
The published Group 1 bid-and-job limit is $100,000.
The published Group 2 bid-and-job limit is $400,000.
The published Group 3 bid-and-job limit is $1 million.
The published Group 4 bid-and-job limit is $3 million.
The published Group 5 financial group has an unlimited bid-and-job dollar limit.
South Carolina allows an appropriate surety bond in place of qualifying financial statements under the Board's rules. The required amount depends on the license group.
The Board currently publishes a $350 licensure fee. Confirm the fee at application time.
The Board says General Contractor licenses expire October 31 in even-numbered years. Check current renewal instructions.
Contractor Exam Preps Resources
Yes. It lists a South Carolina NASCLA Commercial General Building Complete Book Set covering commercial building technical references and a South Carolina business-and-law guide.
Yes. The NASCLA Commercial General Building Online Prep Course includes guided study, reference organization and practice examination features.
The store lists a South Carolina NASCLA commercial building book-rental product. Review current rental, deposit and return conditions on its listing.
Yes. The South Carolina Commercial Business and Law Complete Pass Package includes a state guide and related review tools described by the store.
No. Study-product purchases, examination registration, qualifying-party certification and licensing are separate processes.
No. Passing exams and satisfying financial, experience and licensing requirements are determined by the candidate’s performance and the state Board.
This 1ExamPrep YouTube lesson, 2025 NASCLA Exam Breakdown: What to Expect, is a related overview of the commercial building examination and preparation strategy. It can help you understand how to organize study books, practice questions and open-book lookups.
The video explains general NASCLA preparation. It is not a substitute for South Carolina’s licensing requirements or the separate Business Management and Law exam. Always confirm the latest PSI candidate bulletin.
Creator: 1ExamPrep.
Video: 2025 NASCLA Exam Breakdown: What to Expect.
Related topics: Commercial building trade exam, references and open-book strategy.
South Carolina note: Separate commercial Business and Law exam plus qualifying-party certification.
Use Contractor Exam Preps for exam-preparation materials and the South Carolina Contractors’ Licensing Board, NASCLA and PSI for authoritative exam and licensing procedures.
National exam: 115 scored questions, 330 minutes, 81 correct required.
State exam: South Carolina Commercial Business Management and Law is separately required.
Licensing: PQP certification, experience, financial documents or approved bond, and Board approval.
Reference rules: Current official PSI bulletin controls editions and test-day materials.
Preparing for the South Carolina NASCLA Commercial General Contractor examination gives future contractors a structured way to prove that they understand commercial construction beyond the work of a single trade. Buildings come together through many moving parts. Estimating, scheduling, procurement, safety, structural systems, building services, field quality, documentation and communication all affect the finished result.
The NASCLA Accredited Examination for Commercial General Building Contractors covers those broad subjects in a national technical examination. The published test has 115 scored questions, a 330-minute time limit and a minimum passing requirement of 81 correct answers. Because the examination is open book, candidates must learn how to locate answers rather than try to memorize hundreds of pages word for word.
Open-book testing is helpful only when the books are familiar. Candidates who know which reference covers OSHA safety, concrete, masonry, steel decking, wood framing, accessibility or project-management rules can make better decisions under time pressure. That is why repeated reference navigation deserves as much attention as practice questions.
For South Carolina applicants, the national NASCLA result is only one piece of the licensing process. The Contractors' Licensing Board recognizes the national examination, but a passing result is not a state contractor license. A company still needs a qualifying party, and individuals seeking qualifying-party certification must pass the South Carolina Commercial Business Management and Law examination.
Those South Carolina business subjects deserve their own study time. Contractor responsibilities include writing and administering contracts, managing bids, keeping records, dealing with subcontractors, handling insurance and taxes, protecting cash flow and following applicable rules. Good construction knowledge does not automatically equal good business administration.
Experience documentation also matters. Under the common examination route, South Carolina requires at least two years of relevant work experience completed within the preceding five years. Applicants should organize their work records early, identify the correct classification and review the Board's qualifying-party documentation requirements.
South Carolina's financial groups introduce another important licensing decision. Group 1 has a published bid-and-job ceiling of $100,000, while Group 5 is the unlimited dollar group. Groups 2, 3 and 4 fall between them. Applicants must provide financial information or an approved surety bond supporting the requested group, and their actual authority depends on what the Board approves.
Study resources can make this process more manageable. Contractor Exam Preps lists a South Carolina NASCLA complete book set, a NASCLA online course, a South Carolina business-and-law package and rental options. Those materials can help you build a reliable plan, but you should always compare their book editions and package contents with the latest PSI bulletin.
A six-week study plan is one useful approach. Begin with licensing basics, the exam outline and reference organization. Continue into estimating, contracts, OSHA safety, site construction, concrete and structural systems. Then review wood, roofing, accessibility, building services and commercial project coordination. Finish with long practice exams and separate South Carolina business-and-law review.
Exam preparation should lead to practical confidence, not just a passing score. Contractors who understand their references, project documents, safety obligations and financial responsibilities are better prepared for the work that follows the test. On exam day, arrive with approved materials, follow PSI instructions and use your time deliberately. After passing, complete the remaining state application steps before bidding or performing regulated work.
The goal is simple: learn the right material, pass the appropriate exams, meet South Carolina's requirements and build a contracting business that understands both the jobsite and the paperwork. Blueprints may get the attention, but good planning keeps the project, and the business, standing.
The South Carolina NASCLA Commercial General Contractor exam is a national building-contractor test that South Carolina recognizes as a technical examination route. It is designed for people who plan to manage commercial building projects and need to understand many types of construction work.
NASCLA stands for the National Association of State Contractors Licensing Agencies. Its commercial general building examination covers building materials, jobsite safety, contracts, estimating, project management, plans and construction procedures. The goal is to check that a contractor can make informed decisions across a large commercial project.
The published NASCLA exam has 115 scored questions. Candidates have 330 minutes, which is five and a half hours. They need at least 81 correct scored answers to pass. The test is open book, but candidates may use only approved references that meet the current testing rules.
An open-book exam does not mean there is time to search every page slowly. Successful candidates practice knowing which book matches a subject. One book might cover concrete; another might cover project schedules or OSHA construction safety. The better you know the books, the more quickly you can find the information that matters.
Studying should cover estimating, project planning, contract requirements, quality control, site work, structural concrete, reinforcing bars, masonry, steel decking, framing, trusses, roofing, building finishes, accessibility and trade coordination. Basic construction math and plan reading also help.
South Carolina has a separate rule that is very important. Passing the national NASCLA technical exam does not give a business permission to work as a licensed commercial general contractor. Candidates must also complete the state's own licensing steps.
The South Carolina Contractors' Licensing Board requires the applicant to identify a Primary Qualifying Party. This is the person responsible for the technical side of the requested contractor classification. The person must qualify through testing or another accepted method, and South Carolina requires its separate Commercial Business Management and Law exam.
That state exam deals with how a contracting business is run. Study contracts, bidding, financial duties, insurance, labor matters, project records, taxes, liens and related legal responsibilities. The South Carolina Commercial Contractors version of the NASCLA business-and-law guide is a different reference from the national NASCLA Basic guide.
Under the typical examination route, applicants also need to document at least two years of relevant experience from the past five years. The Board's official forms explain what information must be submitted and how work history should be described.
South Carolina uses financial license groups. Group 1 has a project limit of $100,000. Group 2 is $400,000. Group 3 is $1 million. Group 4 is $3 million. Group 5 has no stated dollar ceiling. Each group has financial documentation or surety-bond rules, and companies must stay within their approved limits.
Contractor Exam Preps sells a South Carolina NASCLA commercial building complete book set, NASCLA online preparation, a South Carolina Business and Law package, a book-rental option and reference tabs. Students should compare the included editions with the latest approved PSI reference list before buying or preparing books for test day.
A practical six-week plan starts by reviewing the exam and arranging reference books. Next comes estimating and project management, then jobsite safety and site work, followed by structural and finishing topics. The final week should include long timed practice sessions and focused study for the separate South Carolina exam.
Before scheduling, check the latest official PSI and Board instructions. After passing, keep your score documents, request NASCLA transcript transmission if necessary, complete qualifying-party applications and submit the correct licensing paperwork. Wait for license approval before offering regulated contracting services.
The most important lesson is that South Carolina NASCLA preparation has two goals. First, learn enough commercial building knowledge to pass the national technical test. Second, complete the state business, experience and financial requirements needed for a real contractor license. A good study plan handles both.
