California Contractor & Trade License Requirements
California requires statewide contractor licensing through the Contractors State License Board (CSLB). All trades follow the same licensing framework with a Law & Business exam plus a trade-specific exam. The CSLB issues over 60 license classifications under Class A (General Engineering), Class B (General Building), and Class C (Specialty) categories.
General Contractor
RequiredElectrician
RequiredPlumber
RequiredHVAC Technician
RequiredRoofing Contractor
RequiredReciprocity Agreements
California has reciprocity agreements with 4 states. Licensed contractors from these states may be eligible to skip certain exams.
California Licensing Overview
California requires statewide licensing for 5 of 5 contractor trades. The licensed trades — general contractor, electrician, plumber, hvac technician, roofing contractor — are regulated by the Contractors State License Board (CSLB). Across all licensed trades, initial costs range from $699 to $699, including application fees, exams, and license issuance. California also participates in reciprocity agreements with 4 other states, which can streamline the process for out-of-state contractors.
California Contractor License Cost Summary
| Trade | Application | Exam | License | Bond | Est. Total |
|---|---|---|---|---|---|
| General Contractor | $450 | — | $200 | $25,000 | $699 |
| Electrician | $450 | — | $200 | $25,000 | $699 |
| Plumber | $450 | — | $200 | $25,000 | $699 |
| HVAC Technician | $450 | — | $200 | $25,000 | $699 |
| Roofing Contractor | $450 | — | $200 | $25,000 | $699 |
Estimated totals include application, exam, license, and fingerprinting fees. Bond amounts are separate and typically paid as an annual premium.
Recommended exam prep
Formal prep pays for itself against a $100+ retake. Many states examine contractors on two separate papers — the trade exam and a business and law exam — so we list the course covering both first, with trade-specific depth after.
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Mometrix · SponsoredContractor's Exam FlashcardsPortable flashcards for the high-frequency exam topics — a cheaper add-on for drilling terms and code references on the go.See the flashcards →Key Facts About California Contractor Licensing
- Workers comp required if you have employees. Sole proprietors may file an exemption.
- California has reciprocity agreements with 4 states, which may allow licensed contractors to skip certain exams.
- C-10 renewal is $470 (includes $20 C-10 surcharge)
- 2026 change: Workers comp now mandatory for all C-20 holders, including sole proprietors
Frequently Asked Questions
Does California require a contractor license?
Yes, California requires statewide licensing for 5 of 5 trades: general contractor, electrician, plumber, hvac technician, roofing contractor.
How much does a contractor license cost in California?
The estimated initial cost is $699, including application, exam, and license fees.
Does California have license reciprocity with other states?
Yes, California has reciprocity agreements with 4 states. Licensed contractors from these states may be eligible to skip certain exams or have an expedited application process.
Do I need workers compensation insurance in California?
Workers comp required if you have employees. Sole proprietors may file an exemption.
Official California Licensing Resources
- Contractors State License Board (CSLB) — for general contractor, electrician, plumber, hvac technician, roofing contractor