Arizona NASCLA Commercial Contractor Exam Prep
Arizona NASCLA contractor exam prep is designed for commercial construction professionals who want a structured way to prepare for one of the broadest open-book contractor exams available. The NASCLA Commercial General Building Contractor exam tests construction management, contracting, estimating, safety, site construction, structural systems, building-envelope work, finishes and building-system coordination.
That wide scope is why contractor field experience alone may not be enough. A candidate may know how to run a jobsite and still lose time during the exam because the answer is buried inside a large approved reference library. Strong exam prep combines contractor knowledge with book navigation, timed practice and a clear exam strategy.
Quick answer: The current NASCLA Commercial General Building Contractor exam contains 115 scored questions, requires 81 correct answers, allows 330 minutes and is open book. The PSI bulletin also includes 10 additional non-scored pretest questions.
This Arizona NASCLA contractor exam prep course focuses on helping candidates understand what is tested, where the information is found and how to work through an open-book contractor exam without turning every question into a five-minute research project.
Course
Arizona NASCLA Commercial General Building Contractor Online Exam Prep
Exam
NASCLA Accredited Examination for Commercial General Building Contractors
Testing Provider
PSI
Exam Format
Open book, computer administered
Scored Questions
115
Additional Questions
10 non-scored pretest questions under the current PSI bulletin
Time Allowed
330 minutes, or 5 hours and 30 minutes
Passing Requirement
81 correct answers out of 115 scored questions
Course Access
One-year online access under the current course description
Course Features
Reference highlighting and tabbing instruction, practice questions, simulated final exam and open-book test-taking techniques
Arizona Contractor Classifications Connected to the NASCLA Commercial Exam
Current Arizona ROC materials reference the NASCLA Commercial General Building exam for commercial and dual-building contractor paths. Because individual ROC pages describe these paths somewhat differently, verify your exact classification with the ROC before filing.
| Classification | Arizona Contractor License | General Scope | Experience Listed by ROC |
|---|---|---|---|
| B-1 | General Commercial Contractor | Broad general commercial building construction, alteration, repair, management and supervision within the ROC scope. | 4 years qualifying hands-on and/or managerial experience |
| B-2 | General Small Commercial Contractor | Qualifying small-commercial construction within the project limits established by the ROC. | 4 years qualifying hands-on and/or managerial experience |
| KB-1 | Dual Building Contractor | Combines the B-1 General Commercial Contractor and General Residential Contractor scopes. | 4 years qualifying hands-on and/or managerial experience |
| KB-2 | Dual Residential and Small Commercial | Combines the B-2 General Small Commercial and General Residential Contractor scopes. | 4 years qualifying hands-on and/or managerial experience |
Arizona authority note: The ROC's current licensing-fee page references B-1/B-2 and KB-1/KB-2 applicants using the NASCLA commercial exam in lieu of the Arizona trade exam. The ROC's current Applying for a License page explicitly names KB-1 and KB-2. Confirm your exact classification-specific NASCLA path directly with the ROC before submitting an application.
What Is on the NASCLA Commercial General Building Contractor Exam?
The bars show each current PSI content area relative to the largest category, Procurement and Contracting Requirements.
Procurement and Contracting Requirements
31 questions
General Requirements
25 questions
Site Construction
15 questions
Concrete
6 questions
Masonry
4 questions
Metals
6 questions
Wood
5 questions
Thermal and Moisture Protection
5 questions
Doors, Windows and Glazing
4 questions
Finishes
5 questions
Mechanical and Plumbing Systems
6 questions
Electrical Systems
3 questions
NASCLA Contractor Exam Content Breakdown
Use the official topic count to decide where your contractor exam prep time should go first.
| Subject Area | Scored Questions | Exam Prep Focus |
|---|---|---|
| General Requirements | 25 | Commercial code, accessibility, plans, general construction requirements and project coordination |
| Site Construction | 15 | Excavation, grading, drainage, site preparation, stormwater and site safety |
| Concrete | 6 | Concrete construction, reinforcing, quality control and structural requirements |
| Masonry | 4 | Brick, block, stone, materials and construction practices |
| Metals | 6 | Steel joists, steel deck, erection, handling and structural coordination |
| Wood | 5 | Carpentry, framing, trusses and wood construction |
| Thermal and Moisture Protection | 5 | Roofing, moisture protection, insulation and exterior envelope systems |
| Doors, Windows and Glazing | 4 | Commercial openings, glazing and installation coordination |
| Finishes | 5 | Gypsum, interior finishes and finish-system coordination |
| Mechanical and Plumbing Systems | 6 | General contractor coordination of mechanical and plumbing systems |
| Electrical Systems | 3 | General electrical-system knowledge and construction coordination |
| Procurement and Contracting Requirements | 31 | Estimating, bidding, contracts, scheduling, project management and contractor administration |
Where Arizona NASCLA Contractor Exam Prep Should Start
The three largest current content areas are Procurement and Contracting Requirements, General Requirements and Site Construction. Together they represent a major portion of the scored contractor exam.
Procurement and Contracting Requirements
With 31 questions, this is the largest single NASCLA exam category. Contractor prep should include estimating, bidding, project management, contracts, scheduling, procurement, construction administration and project closeout.
General Requirements
General Requirements contains 25 questions. Candidates should be comfortable with commercial building-code navigation, accessibility, general construction requirements, project coordination and plan interpretation.
Site Construction
Site Construction contains 15 questions. Exam prep should include excavation, grading, drainage, underground work, stormwater planning, OSHA safety and jobsite sequencing.
Study strategy: Do not divide your study time equally across all 12 subjects. Begin with the largest weighted areas, then strengthen the smaller technical categories.
Current NASCLA Commercial Contractor Reference Library
The NASCLA exam uses a large approved reference library. Confirm all editions against the latest PSI Candidate Information Bulletin before testing.
| # | Reference | Primary Exam Prep Use |
|---|---|---|
| 1 | Mechanical and Electrical Systems for Construction Managers, 4th Edition | Mechanical, plumbing and electrical-system coordination |
| 2 | ICC A117.1-2017 Accessible and Usable Buildings and Facilities | Accessibility requirements |
| 3 | BCSI Guide to Good Practice for Wood Trusses | Wood-truss handling, installation, restraint and bracing |
| 4 | Carpentry and Building Construction | Carpentry, framing and general building construction |
| 5 | 29 CFR Part 1926 OSHA Construction Standards or approved PSI OSHA excerpts | Construction safety |
| 6 | Construction Jobsite Management | Jobsite supervision and management |
| 7 | Construction Project Management | Project planning, scheduling and administration |
| 8 | NASCLA Contractors Guide to Business, Law and Project Management, Basic 14th Edition | Contracting, procurement, business and project management |
| 9 | Erectors' Manual for Precast Concrete Products | Precast concrete erection |
| 10 | Green Building Fundamentals, 2nd Edition | Sustainable commercial construction concepts |
| 11 | Gypsum Construction Handbook, 7th Edition | Gypsum and interior finish systems |
| 12 | Technical Digest No. 9, Handling and Erection of Steel Joists and Joist Girders | Steel joist handling and erection |
| 13 | International Building Code, approved current PSI-listed edition | Commercial building-code requirements |
| 14 | ACI 318 approved PSI-listed edition | Structural concrete requirements |
| 15 | Training and Certification of Field Personnel for Unbonded Post-Tensioning | Post-tensioning fundamentals |
| 16 | Modern Masonry, 9th Edition | Brick, block and stone construction |
| 17 | Pipe and Excavation Contracting | Excavation, underground work and site construction |
| 18 | Principles and Practices of Commercial Construction, 11th Edition | Broad commercial construction knowledge |
| 19 | Roofing Construction and Estimating | Roofing, estimating and moisture protection |
| 20 | Placing Reinforcing Bars, 10th Edition or approved listed printing | Reinforcing steel placement |
| 21 | SDI Manual of Construction with Steel Deck | Steel deck construction |
| 22 | The Contractor's Guide to Quality Concrete Construction, 4th Edition | Concrete construction practices |
| 23 | Developing Your Stormwater Pollution Prevention Plan | Construction stormwater planning |
| 24 | ANSI/EIMA 99-A-2017 EIFS Standard | Exterior insulation and finish systems |
How to Prepare for an Open-Book NASCLA Contractor Exam
Open book does not mean unlimited time. The contractor exam still requires fast decisions and efficient reference navigation. If every question sends you searching through several books, 330 minutes can disappear faster than a box of pencils on a busy jobsite.
Do This During Exam Prep
- Use the current PSI content outline to organize study time.
- Practice with the references you plan to bring to the exam.
- Learn which book covers each major contractor topic.
- Use permanent tabs that comply with PSI rules.
- Highlight and underline useful material before exam day.
- Practice index and table-of-contents searches.
- Complete timed contractor practice questions.
- Track slow lookups as carefully as wrong answers.
Avoid These Exam Prep Mistakes
- Trying to memorize every page of the reference library.
- Studying only construction topics you already know from the field.
- Ignoring procurement and contracting because it feels less technical.
- Waiting until test day to learn book organization.
- Using temporary tabs that are not allowed under PSI rules.
- Writing prohibited notes into exam references.
- Spending too long on one difficult lookup.
- Assuming a passing NASCLA score is the same as an Arizona license.
Arizona NASCLA Contractor License Path
NASCLA can satisfy an applicable contractor trade-exam component, but Arizona licensing still requires additional steps through the Registrar of Contractors.
1
Choose the Correct Arizona Contractor Classification
Determine whether your planned commercial or dual-building work fits B-1, B-2, KB-1 or KB-2. Scope matters because the license determines which work your business may legally contract.
2
Verify Qualifying-Party Experience
Current ROC classification requirements list four years of qualifying hands-on and/or managerial experience for B-1, B-2, KB-1 and KB-2.
3
Complete Arizona's State-Specific Requirement
The Arizona Statutes and Rules Training Course and Exam is separate from NASCLA unless the qualifying party meets a current ROC waiver condition.
4
Apply for NASCLA Exam Eligibility
NASCLA applications are submitted through the National Examination Database. An approved application currently provides a one-year eligibility period and up to three exam attempts.
5
Prepare for the NASCLA Contractor Exam
Use the online contractor exam prep course, approved reference library, permanent tabs, highlighting, practice questions and timed final-exam practice.
6
Pass the Exam and Complete the Arizona Application
After passing NASCLA, follow the ROC application path for your business entity and classification, including applicable qualifying-party, background, identification, bond and application requirements.
Six-Week Arizona NASCLA Contractor Exam Prep Plan
Use a structured contractor prep schedule instead of bouncing randomly between two dozen reference books.
Week 1
Exam Map and References
- Read current PSI bulletin
- Organize approved books
- Review all 12 content areas
- Take a diagnostic practice session
Week 2
Contracts and Management
- Estimating and bidding
- Contracts
- Scheduling
- Procurement
- Project administration
Week 3
General and Site Construction
- IBC navigation
- Accessibility
- Excavation
- OSHA
- Stormwater
Week 4
Structural Construction
- Concrete
- Reinforcing steel
- Post-tensioning
- Masonry
- Structural steel
- Wood and trusses
Week 5
Envelope and Building Systems
- Roofing
- EIFS
- Gypsum
- Doors and glazing
- Mechanical and plumbing
- Electrical systems
Week 6
Timed Contractor Exam Prep
- Full timed practice
- Review missed questions
- Track slow book searches
- Confirm allowed references
- Practice exam pacing
Arizona NASCLA Online Contractor Exam Prep Course Features
The current Arizona NASCLA Commercial General Building Contractor Online Exam Prep Course is built around the needs of candidates preparing for a large open-book contractor examination.
Structured Online Exam Prep
Organized Contractor Study
- One-year online course access
- Self-paced study option
- Commercial contractor topic review
- Study from compatible mobile devices
Open-Book Reference Prep
Book Navigation Focus
- Highlighting instructions
- Tabbing instructions
- Reference-book alignment
- Fast lookup preparation
Practice and Exam Simulation
Exam Readiness Focus
- Hundreds of practice questions
- Printable practice material
- Computer-based simulated final exam
- Open-book test-taking techniques
Arizona NASCLA Contractor Exam Prep Books and References
The online course and the exam reference library serve different purposes. The course helps organize your contractor prep, while the approved books provide the technical material you may need to research during the open-book exam.
Complete NASCLA Book Set
Own the Reference Library
- Commercial contractor references
- Long-term access to study books
- Practice reference navigation
- Use approved editions where permitted
Highlighted and Tabbed Book Set
Exam-Ready Navigation
- Organized reference preparation
- Permanent-tab navigation
- Highlighted study sections
- Faster open-book lookup practice
NASCLA Exam Book Rental
Temporary Reference Access
- Study with the reference library
- Useful for a defined exam-prep window
- Practice using the books before testing
- Confirm current rental terms on the product page
Passing NASCLA Is Not the Same as Receiving an Arizona Contractor License
The NASCLA Accredited Examination provides a standardized contractor trade-exam result. It does not issue an Arizona contractor license by itself.
After passing, the exam result can be placed in the NASCLA National Examination Database and sent electronically to participating licensing agencies.
Arizona applicants must still complete the requirements that apply to the selected ROC contractor classification. Those requirements can include the Arizona state-specific statutes and rules requirement, qualifying-party documentation, business information, background checks, identification, bonding and the license application.
If you want help organizing the paperwork side of the process, review 1 Exam Prep application services.
Arizona NASCLA Contractor Exam Prep FAQ
Course and Exam Basics
Arizona NASCLA Contractor Exam Prep helps commercial contractor candidates prepare for
the NASCLA Accredited Examination for Commercial General Building Contractors through
organized study, practice questions, open-book reference navigation and timed exam preparation.
The current PSI bulletin lists 115 scored questions.
Candidates currently receive 330 minutes, or five hours and thirty minutes.
Candidates currently need 81 correct answers out of 115 scored questions,
which equals a 70 percent passing score.
Yes. The current PSI bulletin states that 10 non-scored pretest questions are
administered in addition to the 115 scored questions.
Yes. The current PSI bulletin identifies the NASCLA Commercial General Building Contractor
exam as open book. Candidates must use approved references prepared according to current PSI rules.
Yes. Current PSI rules allow approved references to be highlighted, underlined and
indexed before the examination. Permanent tabs are allowed. Temporary tabs such as
Post-It notes and additional loose or attached papers are not allowed.
Procurement and Contracting Requirements is currently the largest category with
31 scored questions. General Requirements follows with 25 questions and Site Construction
with 15.
Arizona Contractor Licensing
Yes. Current Arizona Registrar of Contractors materials recognize the NASCLA Commercial
General Building examination as an alternative trade-exam pathway for applicable commercial
and dual-building classifications. Confirm the exact classification-specific path with the
ROC before filing.
Current ROC materials reference B-1 General Commercial Contractor, B-2 General Small
Commercial Contractor, KB-1 Dual Building Contractor and KB-2 Dual Residential and Small
Commercial in connection with the NASCLA commercial exam pathway. Because ROC pages use
slightly different wording, confirm your exact classification with the agency.
No. Passing NASCLA can satisfy an applicable trade-examination component, but the Arizona
Registrar of Contractors still determines whether the applicant meets all requirements
for the selected license classification.
Yes. Arizona's Statutes and Rules Training Course and Exam is a separate state-specific
licensing requirement unless the applicant qualifies for a waiver under current ROC rules.
Current Arizona ROC classification requirements list four years of qualifying hands-on
and/or managerial experience for B-1, B-2, KB-1 and KB-2.
NASCLA Application and Multi-State Use
NASCLA currently provides an approved candidate a one-year eligibility period with up
to three exam attempts during that period.
Participating licensing agencies may accept a NASCLA exam transcript in place of a
state-specific trade exam. This does not create one national contractor license.
Every jurisdiction still applies its own application, classification, experience,
business-law and licensing requirements.
Arizona NASCLA Exam Prep Course
The current course description includes one-year online access, highlighting and tabbing
instructions, hundreds of practice questions, a computer-based simulated final exam and
open-book test-taking techniques. Candidates can also select an instructor-led virtual
training option when available.
No. The online contractor exam prep course helps organize study and reference navigation,
while the NASCLA examination uses the approved reference materials listed in the current
PSI Candidate Information Bulletin.
Study by the official content outline, focus first on Procurement and Contracting
Requirements, General Requirements and Site Construction, practice with the approved
references, improve book-navigation speed and complete timed contractor exam prep before
your PSI appointment.
Arizona Contractor License Exam Prep Overview
Arizona NASCLA Contractor Exam Prep and Licensing Resources
Use the contractor exam prep course together with current official NASCLA, PSI and Arizona licensing information. Always confirm current requirements before scheduling an exam or filing a license application.
Arizona NASCLA Contractor Exam Prep Course
Arizona NASCLA Contractor Collection
Arizona ROC Applying for a License
Arizona ROC License Classifications
Arizona Classification Requirements
Official NASCLA Commercial Exam
Official NASCLA Exam Application
Current PSI NASCLA Candidate Bulletin
OSHA Construction Standards
Arizona Contractor License Checklist
Arizona ROC Bond Information
Contractor Application Services
Ready to Prepare for the Arizona NASCLA Contractor Exam?
Build the commercial construction knowledge, contractor reference-navigation speed, open-book testing strategy and timed exam-prep skills needed for the current NASCLA Commercial General Building Contractor examination.
Questions? Call 877-775-9400
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