Official tools, compliance guides, industry organizations, and insurance resources — everything a California-licensed contractor needs in one place.
Official California Contractors State License Board tools and forms
Verify any California contractor license — status, classification, bond, workers' comp, and disciplinary history.
Open Tool →Full list of Class A, B, and C specialty license classifications — scope of work, exam requirements, and what each covers.
View Classifications →Applications, exam study guides, processing time estimates, fingerprinting requirements, and fee schedules for new applicants.
Start Application →Online renewal portal — check your renewal date, pay fees, update your bond and workers' comp filing, and maintain active status.
Renew License →Current contractor license bond amounts ($25,000 as of 2023), how to file your bond with CSLB, and disciplinary bond requirements.
View Requirements →When workers' comp is required vs. when a sole owner exemption applies — and how to properly file your Certificate of Insurance with CSLB.
Read Requirements →California-specific workers' comp rules, state fund, and class code resources
Official state resource for WC laws, forms, employer obligations, and information about the CA workers' comp system for contractors.
Visit DIR →California's not-for-profit workers' comp insurer of last resort. Contractors who can't find coverage in the private market can get covered here.
Get a Quote →Search NCCI class codes by trade — essential for understanding how your WC premium is calculated. California uses NCCI codes for most trades.
Search Codes →Official CA workers' comp forms — DWC-1 Claim Form, Notice to Employees posters, doctor reports, and employer self-insurance forms.
Browse Forms →California AB 5 and the Labor Commissioner's guidance on worker classification — critical reading for contractors using 1099 subs.
Read Guidance →For larger contractors exploring self-insured WC programs — eligibility requirements, application process, and ongoing obligations under CA law.
Learn More →Standard industry forms — COIs, ACORD templates, and endorsement guides
Official source for ACORD 25 (Certificate of Liability Insurance), ACORD 101 (Additional Remarks), and all standard insurance forms used in construction.
Browse Forms →What an ACORD 25 Certificate of Insurance shows, how to read it, what additional insured really means, and common COI mistakes that kill jobs.
Read Guide →The difference between your $25,000 CSLB license bond and your GL policy — why you need both and what each one actually covers.
Read Guide →CSLB requirements for home improvement contracts over $500 — mandatory disclosures, lien notices, and cancellation rights every contractor must include.
Download PDF →The mandatory form you must give any injured employee within one working day of a work-related injury or illness being reported.
Download Form →Injury and Illness Prevention Program template — California law requires every employer to have a written IIPP. Use this template as a starting point.
Download Template →Cal/OSHA, prevailing wage, underground economy, and labor law resources
California's workplace safety authority — regulations, inspection procedures, citations, and compliance assistance for construction employers.
Visit Cal/OSHA →Look up current prevailing wage rates by trade and county for public works projects. Required on any California public works job over $1,000.
Look Up Rates →All contractors and subcontractors on California public works projects must register with DIR. Check registration status and apply here.
Register / Check Status →CSLB's joint enforcement effort targeting unlicensed contracting, payroll fraud, and misclassification — what it means for licensed contractors.
Learn More →California's construction-specific safety regulations — fall protection, scaffolding, trenching, electrical safety, and confined space requirements.
Read Regulations →Wage claims, overtime rules, meal and rest break requirements, and enforcement actions — the CA Labor Commissioner's official guidance for employers.
Visit DLSE →Trade associations, advocacy groups, and professional networks for California contractors
Associated General Contractors of California — advocacy, education, contract documents, legal hotline, and the statewide voice for general and specialty contractors.
Visit AGC-CA →CBIA represents residential builders — legislative advocacy, code updates, housing policy, and resources for Class B general contractors doing residential work.
Visit CBIA →The trade association specifically focused on contractor insurance in California — market conditions, coverage advocacy, and industry news.
Visit CALCIA →National association for C-20 HVAC and C-36 plumbing contractors — industry standards, training, and advocacy for mechanical trades.
Visit PHCC →Represents C-10 electrical contractors — code advocacy, labor agreements, training programs, and standards development for the electrical industry.
Visit NECA →Industry association for C-39 roofing contractors — technical resources, safety training, business tools, and advocacy for the roofing trade.
Visit NRCA →License exam prep, safety certifications, and continuing education for California contractors
Official study guides, practice materials, and tips for the CSLB Law & Business exam and trade-specific exams. Required before a license is issued.
Start Studying →Free CSLB workshops held across California — walk through the licensing process, ask questions, and get help completing your application.
Find a Workshop →OSHA 10-hour and 30-hour construction safety courses — often required by GCs on commercial job sites and increasingly required by public agencies in California.
Find Training →230+ annual training sessions covering project management, contracts, safety, estimating, and business operations — both in-person and on-demand online.
Browse Programs →Plain-language summary of California construction safety requirements — fall protection, personal protective equipment, heat illness prevention, and more.
Download Guide →State portal connecting apprenticeships, training programs, and career pathways in California construction — useful for contractors hiring and developing crews.
Explore Portal →In-depth articles written for California-licensed contractors by our coverage specialists
What an ACORD 25 shows, additional insured endorsements, cancellation clauses, and the COI mistakes that kill deals.
Read Article →Many contractors confuse these two — they're completely different protections and you need both. Here's exactly what each covers.
Read Article →Legislative changes tightening WC enforcement, raising misclassification penalties, and expanding coverage requirements in California.
Read Article →Real premium ranges by trade, revenue tier, and risk factor — plus what drives GL costs up or down in California's high-value market.
Read Article →Rising premiums, carrier exits, and new telematics requirements — what's changing and how to stay covered and competitive.
Read Article →Surplus lines, Chapter 7A WUI compliance, pollution liability, and higher GL limits for fire-zone rebuild work in Palisades, Malibu, and Altadena.
Read Article →Connect with a licensed broker who specializes in California contractor insurance — matched to your trade and license class.
Get a Free Quote →CaliforniaContractorInsurance.com is a lead generation and referral service. We connect California-licensed contractors with licensed insurance agents and brokers. We are not an insurance company or licensed insurance agent. External links are provided for informational purposes only and do not constitute an endorsement.