- The Building Contractor exam is 90 scored questions in 200 minutes with a 70% passing score.
- Estimating, Plan Reading and General Building Code Requirements is the largest domain at 15.6% of the exam.
- The exam fee is $79, and PSI eligibility notices are valid for 120 days per appointment.
- A state license is mandatory for any project valued at $40,000 or more.
Exam Snapshot: Fees, Format, and Timing
Before you memorize a single code section, lock in the numbers that govern the test itself. The North Carolina Licensing Board for General Contractors sets the licensing rules, but the actual test-day experience runs through PSI's computer-based testing centers. Here's what candidates should treat as non-negotiable facts, not estimates:
- Exam fee: $79 for the Building Contractor exam.
- Format: 90 scored, open-book multiple-choice questions.
- Time limit: 200 minutes total.
- Passing score: 70%.
- Unscored questions: 5 to 10 experimental items may appear, but the extra time they require doesn't count against your clock.
Because the exam is open-book, your prep isn't just about recall - it's about knowing where to find answers fast in your approved references. If you haven't organized your reference materials yet, the NCGC-B Study Guide 2026: How to Pass on Your First Attempt walks through how to build a tabbing system that holds up under a 200-minute clock.
Domain Breakdown by Weight
The NCGC-B Building Contractor exam covers 15 distinct domains, and they are not weighted evenly. Studying every domain with equal effort is a common mistake - smart candidates allocate review time proportional to how many questions each domain actually contributes.
| Domain | Approx. Weight |
|---|---|
| Estimating, Plan Reading and General Building Code Requirements | 15.6% (14 questions) |
| Concrete | 14.4% |
| Metals | 13.3% |
| Carpentry | 7.8% |
| Business and Law | 7.8% |
| Site Work | 6.7% |
| Masonry | 6.7% |
| Roofing | 6.7% |
| Sports Fields | 5.6% |
| Safety | 4.4% |
| Associated Trades | 3.3% |
| One Call | 2.2% |
| Erosion and Sedimentation Control | 2.2% |
| Licensing | 2.2% |
| Liens | 1.1% |
Note that Estimating, Plan Reading and General Building Code Requirements, Concrete, and Metals together account for well over 40% of the entire exam. That's the core trio you cannot afford to under-study. For a full breakdown of what each domain actually tests - including sample topic lists inside Site Work, Carpentry, and Sports Fields - see the NCGC-B Exam Domains 2026: Complete Guide to All 15 Content Areas.
Estimating, Plan Reading and General Building Code Requirements
This is the single largest domain at 14 of 90 questions. Candidates should be comfortable reading construction drawings, calculating quantities and material takeoffs, and cross-referencing general building code provisions relevant to building contractors.
- Practice interpreting plan sets, not just definitions
- Know how to locate code sections quickly in your tabbed references
- Expect scenario-based questions, not simple recall
Concrete and Metals
Combined, these two domains make up more than a quarter of the scored questions. Concrete topics typically involve mix design basics, formwork, reinforcement, and placement/curing practices. Metals questions often focus on structural steel, fasteners, and metal framing components used in commercial and light-commercial building work.
- Don't treat these as "minor trades" - they are top-three domains by weight
- Cross-check terminology against your approved reference material before test day
Registration Mechanics You Can't Get Wrong
A surprising number of failed attempts have nothing to do with content knowledge - they come from missed windows and expired eligibility. Keep these mechanics straight:
- The current PSI bulletin was last updated November 19, 2025. Always confirm you're studying against the latest version before your test date.
- Each PSI eligibility notice is valid for 120 days and covers one examination appointment.
- If you don't pass, retesting is available during your 12-month application period - you don't have to restart the entire application process.
- You must be at least 18 years old, demonstrate good moral character and financial responsibility, pay the applicable application fee, and consent to a background check if required.
- Every applicant must designate a qualifier who passes a Board-approved examination on behalf of the license.
For the complete eligibility rundown - including documentation and the qualifier designation process - check the NCGC-B Requirements 2026: Eligibility, Prerequisites & How to Qualify article. And if you're trying to nail down exact testing windows and how the 120-day clock interacts with your application timeline, the NCGC-B Exam Dates 2026: Testing Windows, Deadlines & Scheduling guide breaks it down step by step.
Key Takeaway
Treat your 120-day eligibility window as a hard deadline. Schedule your PSI appointment early rather than waiting until the window is nearly closed - testing center slots fill up.
License Tiers and Financial Requirements
Passing the exam is only half the equation - your license tier determines what project sizes you're legally allowed to bid on. North Carolina requires a state general contractor license for any project valued at $40,000 or more, and the tier you qualify for depends on your working capital or net worth.
| License Tier | Financial Requirement | Project Limit |
|---|---|---|
| Limited | $17,000 working capital or $80,000 net worth | Up to $750,000 |
| Intermediate | $75,000 working capital | Up to $1.5 million |
| Unlimited | $150,000 working capital | No single-project limit |
This is a licensing-mechanics point candidates often overlook while cramming for Domain 13 (Licensing) - even though it's only 2.2% of the exam, it's directly tied to real business decisions after you pass. If you're weighing whether the license and its financial thresholds make sense for your business goals, the Is the NCGC-B Certification Worth It? Complete ROI Analysis 2026 article covers the practical tradeoffs, and the NCGC-B Certification Cost 2026: Complete Pricing Breakdown guide details every fee involved beyond the $79 exam charge.
Day-of-Exam Checklist
Because this is a PSI-administered, computer-based, open-book exam, your physical prep matters as much as your content prep. Run through this before you leave for the testing center:
- Confirm your PSI eligibility notice is still within its 120-day window.
- Bring only approved references - and make sure any tabs on them are permanent, not removable sticky notes that could be flagged.
- Pack a silent, nonprinting, nonprogrammable calculator. Anything with printing, sound, or programmable memory functions will not be allowed.
- Plan your pacing: 90 scored questions across 200 minutes means you can't dwell on any single question for more than a couple of minutes, especially with unscored experimental items mixed in.
- Review your weakest domain one final time - for most candidates that's Concrete, Metals, or the Estimating/Plan Reading domain given their combined weight.
Final-Week Review Plan
In the last stretch before your appointment, resist the urge to review everything equally. Structure your final days around the domains that carry the most weight, then circle back to smaller domains only if time allows.
High-Weight Trio
- Estimating, Plan Reading and General Building Code Requirements
- Concrete
- Metals
Mid-Weight Domains
- Carpentry
- Business and Law
- Site Work, Masonry, Roofing
Smaller Domains and Reference Tabbing
- Sports Fields, Safety, Associated Trades
- One Call, Erosion and Sedimentation Control, Licensing, Liens
- Finalize tabs on approved references
Simulate Exam Conditions
- Timed practice run under 200-minute limit
- Confirm testing center logistics and calculator
If your target date is still further out, a fuller multi-week plan - including how to sequence domain review against your work schedule - is laid out in the NCGC-B Study Guide 2026: How to Pass on Your First Attempt. And if you're still trying to gauge how much runway you need, the How Hard Is the NCGC-B Exam? Complete Difficulty Guide 2026 piece breaks down where most candidates get tripped up.
Renewal and Continuing Education
Passing the exam gets you licensed, but the license itself renews annually - and it comes with an ongoing education obligation. A qualifier for Building licenses must complete 8 hours of Board-approved continuing education each year:
- 2 hours of mandatory coursework
- 6 hours of elective coursework
Build this into your long-term planning now, especially if you're the designated qualifier for a company. Missing continuing education hours can jeopardize renewal, regardless of how strong your original exam score was.
Key Takeaway
Calendar your 8 CE hours (2 mandatory + 6 elective) at the start of each licensing year rather than scrambling before renewal - Board-approved course availability can be limited close to deadlines.
Once you're licensed and working, understanding where NCGC-B-credentialed contractors typically find work - from residential builders to commercial subcontractors bidding above the $40,000 threshold - can help frame your career trajectory. The NCGC-B Jobs page and the NCGC-B Salary Guide 2026: Complete Earnings Analysis article are useful next stops once you've cleared the exam itself.
Before you get there, though, it helps to sharpen your instincts with realistic practice questions. Running through timed sets on our practice test platform is one of the fastest ways to find out which of the 15 domains still need work, and repeated passes through the full question bank help you get comfortable with the exam's scenario-based style rather than simple recall.
FAQ
The exam has 90 scored multiple-choice questions with a 200-minute time limit. It may also include 5 to 10 unscored experimental questions, but the extra time those take doesn't count against your clock.
You need 70% on the scored portion of the exam. For a deeper look at how that translates into raw question counts, see the NCGC-B Passing Score 2026: Exactly What You Need to Pass article.
Estimating, Plan Reading and General Building Code Requirements is the largest single domain at 15.6% (14 of 90 questions), followed closely by Concrete at 14.4% and Metals at 13.3%. These three domains alone make up over 40% of the exam.
Each eligibility notice is valid for 120 days and covers one appointment. If it expires, you'll need to work within your 12-month application period to arrange retesting rather than restarting the entire licensing application.
Yes, but only a silent, nonprinting, nonprogrammable calculator is permitted. Approved reference books may also be brought in and can be permanently tabbed for faster navigation during the open-book exam.