California B General Building Contractor EXAM QUESTIONS
AND CORRECT VERIFIED SOLUTIONS LATEST UPDATE THIS
YEAR – JUST RELEASED
California B General Building Contractor Exam
10-Line Exam Coverage in Points Form
1. Exam Structure & Logistics – Closed-book, computer-based multiple-choice exam
with approximately 100-120 questions ; 3.5 hours time limit; administered at PSI testing
centers statewide ; calculator provided on-screen for computational questions .
2. Topic Areas & Weighting – Core Trades (Plumbing, Electrical, HVAC, Concrete,
Roofing) 30% ; Framing and Structural Components 20% ; Finish Trades 20%; Planning
and Estimating 15%; Safety 12-15% .
3. Passing Score & Retakes – CSLB does not publish a fixed public percentage; candidates
are informed of the required score at the test site . Failed exams require a 21-day
waiting period before re-taking .
4. License Class & Scope – "B" license covers projects requiring at least two unrelated
building trades; work includes structural framing, room additions, whole-house
remodels, and supervising subcontracted specialty work .
5. Experience Requirement – 4 years of journey-level experience within the last 10 years
(foreman, supervisor, contractor, or owner-builder level) . Education credit: up to 3 years
for BS in Construction Management/related field; up to 1.5 years for Associate Degree .
6. Application & Fees – Application fee $450** (as of July 2026) ; initial license issuance:
**$200 (sole owner) or $350** (non-sole owner) ; **$25,000 contractor bond
required .
7. Fingerprinting & Background Check – Live Scan fingerprinting required after application
acceptance ; DOJ/FBI processing fees total $49 plus rolling fee .
8. Business & Law Exam – All applicants must also pass the Law and Business exam
separately from the B trade exam . NASCLA exam may waive trade portion for out-of-
state applicants with 5+ years licensure .
9. Key Technical Topics – California Building Code compliance; Title 24 Energy Standards;
concrete/PSI requirements; rebar and footing specifications; framing notching/boring
rules; seismic hardware requirements .
10. CSLB Processing & Timeline – On July 6, 2026, CSLB was working on exam applications
received June 26, 2026 ; typical processing times posted weekly on CSLB website.
, Page 2 of 88
100 MCQ Questions with Rationales
1. A General Building (B) contractor is bidding a project that includes structural framing,
electrical wiring, and plumbing rough-in. According to CSLB classification rules, which
statement is TRUE?
A) The B license covers this work only if framing or carpentry is included
B) The B license cannot cover electrical work under any circumstances
C) The B license covers any single-trade project
D) The B license requires subcontracting all work
Correct Answer: A
Rationale: CSLB describes the General Building (B) classification as work on structures when the
project uses at least two unrelated building trades or crafts. The work must include framing or
carpentry unless those specific portions are subcontracted to a licensed specialist .
2. What is the minimum experience requirement for the qualifying individual for a California
B license?
A) 2 years
B) 3 years
C) 4 years
D) 5 years
Correct Answer: C
Rationale: CSLB requires the qualifying individual to have at least four years of experience in the
, Page 3 of 88
classification at the journey level, foreman, supervising employee, contractor, or owner-builder
level .
3. What is the current CSLB application fee for an original General Building (B) license?
A) $200
B) $350
C) $450
D) $550
Correct Answer: C
Rationale: The CSLB original application processing fee is $450 as of July 2026. The initial license
issuance fee is separate ($200 sole owner, $350 non-sole owner) .
4. How much time is allotted for the CSLB B trade examination?
A) 2 hours
B) 2.5 hours
C) 3 hours
D) 3.5 hours
Correct Answer: D
Rationale: The CSLB B trade exam gives candidates 3.5 hours for the examination. The exam is
closed-book and computer-assisted with four-choice multiple-choice questions .
5. Which of the following is NOT typically covered by a General Building (B) license?
, Page 4 of 88
A) Whole-house remodel with multiple trades
B) Room addition using structural and finish trades
C) Standalone electrical wiring job
D) Framing prime contract
Correct Answer: C
Rationale: The General Building license typically covers whole-house remodels, room additions,
and framing prime contracts. It does not usually cover standalone electrical, plumbing, or HVAC
jobs unless the contractor holds that specialty or subcontracts it .
6. What is the bond amount required for a California B license?
A) $10,000
B) $15,000
C) $25,000
D) $50,000
Correct Answer: C
Rationale: A $25,000 contractor bond (or approved alternative) is required for license issuance .
7. Which of the following best describes the "two-trade rule" for B license scope?
A) The project must include at least two unrelated building trades
B) The contractor must hold two separate licenses
C) The project must use two subcontractors
D) The contractor must have two years of experience