NASCLA Commercial General Building Exam Prep

Choose your access term

Your access starts when you do: the days begin the first time you open the course, not at checkout (or 14 days after purchase, whichever comes first).

Official sitting

NASCLA Commercial General Building exam at a glance

The NASCLA Commercial General Building exam has 115 questions and a time limit of 5 hours 30 minutes. That works out to about 2.9 minutes per question. Figures are from the official candidate bulletin.

Questions115
Time5 hours 30 minutes

Confirm question count, time, open-book rules, and passing score on the live board bulletin before you sit. We do not guarantee a passing result. Source: PSI NASCLA CGB bulletin updated 7/7/2026; NASCLA Accredited Examinations FAQ; ned.nascla.org. How we source exam facts

What’s included

21,000+ word study guide

Worked calculations, code-section breakdowns, exam traps, a key-terms glossary and a 30/60/90-day plan.

4 full-length practice exams

Original questions weighted to match the topic mix of the real exam.

460 practice questions

Every one with a written explanation and the code section behind the answer.

Same study guide and four exams on every term. You are choosing how long you can log in.

Instant accessSecure checkoutBuilt on current codes
SKU: N/A Category:

What this prep covers

  1. Procurement and Contracting Requirements (31 items — 27%)
  2. General Requirements (25 items — 22%)
  3. Site Construction (15 items — 13%)
  4. Concrete (6 items)
  5. Masonry (4 items)
  6. Metals (6 items)
  7. Wood (5 items)
  8. Thermal and Moisture Protection (5 items)
  9. Doors, Windows, and Glazing (4 items)
  10. Finishes (5 items)
  11. Mechanical and Plumbing Systems (6 items)
  12. Electrical Systems (3 items)

Common questions about this exam

How many questions are on the NASCLA Commercial General Building exam?

The NASCLA Commercial General Building exam has 115 questions and a time limit of 5 hours 30 minutes, about 2.9 minutes per question. Check the current board bulletin before you book.

How much practice does this prep include?

It includes 4 full-length practice exams and 460 practice questions in total. Every question has a written explanation naming the code section the answer comes from.

How long is the study guide?

The NASCLA Commercial General Building guide runs to roughly 21,456 words in 12 sections, starting with “Procurement and Contracting Requirements (31 items — 27%)” and ending with “Electrical Systems (3 items)”.

How long do I get access?

Choose 30, 60 or 90 days at checkout. Your days do not start at checkout: they begin the first time you open the course (or 14 days after purchase, whichever comes first). Access works on any device, and you can retake every practice exam as often as you like. Days remaining are shown in your dashboard and you can extend at any time.

Is this an official NASCLA Commercial General Building exam?

No. This is independent preparation material. It is not affiliated with or endorsed by any state licensing board or exam vendor, and it does not contain real exam questions. Always confirm current requirements with your licensing board.

About this prep

This prep is built specifically for the NASCLA Commercial General Building examination and includes a 21,000+-word study guide written for this exam, 4 full-length practice exams and 460 practice questions, each with a written explanation.

How access works

You are paying for access length (30, 60, or 90 days). The study guide and four timed exams are the same on every term. Your days start the first time you open the course, not at checkout (or 14 days after purchase, whichever comes first), and access works on any device for that term.

Not affiliated with or endorsed by any state licensing board or exam vendor. For exam-preparation purposes only.