California Plumbing Insurance
What a C-36 contractor is required to carry, what the state does not require but customers do, and how the main coverages fit together in California.
Fundamentals
California Plumbing Contractor Insurance Requirements: A C-36 License Guide
What CSLB and California law require of a C-36 licensee: workers' comp rules and the 2028 change, the $25,000 bond, LLC requirements and lapse penalties.
Reviewed October 22, 2026 FundamentalsWhat Insurance Does a Plumbing Contractor Need in California?
What a California C-36 plumbing contractor is required to carry, what customers and general contractors will demand anyway, and how the coverages fit together.
Reviewed October 22, 2026