CSLB Cheat Sheet 2026

The 30 highest-yield CSLB facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. The term 'markup' in construction estimating refers to the percentage added to: → The total direct cost to cover overhead and profit
2. Which California statute governs the rights and obligations related to mechanics' liens on construction projects? → California Civil Code §8000 et seq.
3. What is the maximum down payment a contractor may legally collect from a homeowner at the start of a home improvement project in California? → 10% of the contract price or $1,000, whichever is less
4. Under California law, an employer must report a work-related injury to the claims administrator within: → 5 days
5. How many continuing education hours are required for CSLB licensees each 2-year renewal period to meet asbestos and lead requirements? → 2 hours
6. What is the primary goal of risk management in construction projects? → Identifying, assessing, and mitigating risks
7. California's DIR registration requirement for public works projects requires all contractors and subcontractors to: → Register with the DIR and pay an annual fee before bidding on public works
8. What is the primary purpose of California's Labor Commissioner's Office? → Enforcing state labor laws including wage claims, overtime, and retaliation
9. Which type of construction estimate is most accurate and is typically used for final bidding? → Detailed quantity takeoff estimate
10. What is the purpose of a 'Preliminary Notice' (20-day preliminary notice) in California construction? → To preserve a subcontractor's or material supplier's right to later file a mechanics' lien
11. In California, which party is responsible for recording a Notice of Completion after a construction project is finished? → The property owner
12. Under California overtime law, non-exempt construction workers are entitled to overtime pay at 1.5x their regular rate for all hours worked over: → 8 hours in a day OR 40 hours in a week
13. What is a 'Conditional Waiver and Release on Final Payment' used for in California construction? → To release lien rights upon receiving final payment, contingent on the check clearing
14. What is the required contractor's bond amount for most CSLB licensees as of current regulations? → $15,000
15. What does a 'stop payment notice' allow a subcontractor to do on a California construction project? → Freeze construction loan funds held by the lender
16. Under California law, a contractor found to have committed wage theft may be subject to: → Both civil penalties and criminal prosecution, including license suspension by CSLB
17. On California public works projects, a payment bond protects whom? → Subcontractors and material suppliers who are not paid
18. Heat illness prevention regulations in California require contractors to provide outdoor workers with water at a rate of at least: → 1 quart per hour
19. Under California law, an unlicensed contractor who performs work requiring a license may NOT: → Sue in court to collect payment for the work
20. California's prevailing wage law applies to public works projects and is administered by: → DIR (Department of Industrial Relations)
21. Under California law, how many days does a contractor have to respond to a CSLB citation? → 15 days
22. Which classification covers general building contractors who construct or alter any structure? → Class B
23. What could happen if a contractor fails to renew their license on time? → They may face penalties and be unable to legally work
24. An employee's right to discuss wages with coworkers in California is protected by: → Both the NLRA and California Labor Code §232
25. When a contractor encounters suspected contaminated soil during excavation in California, what is the required FIRST response? → Stop work, secure the area, and notify the appropriate regulatory agency
26. Which clause in a construction contract allows the owner to direct the contractor to perform additional work beyond the original scope? → Changes clause
27. Which California regulation requires contractors to have a written Code of Safe Practices specific to their work? → Construction Safety Orders (Title 8, CCR §1509)
28. Which federal regulation requires contractors to submit written notification before demolishing or renovating a building that may contain regulated asbestos? → National Emission Standards for Hazardous Air Pollutants (NESHAP) — Asbestos Rule
29. What is the purpose of a 'contingency' allowance in a construction estimate? → To account for unforeseen conditions and estimating uncertainties
30. What is 'overhead' in a contractor's estimate? → Indirect costs of running the business not directly attributable to a single project