California Contractor Insurance
Asena Capital Insurance Services — California-licensed insurance brokerage serving contractors statewide. Phone: (858) 925-9555. Email: info@asenainsurance.com.
San Diego is home to 488 licensed plumbing contractors (C-36, CSLB September 2026) — #2 in California, about 8% of the 5,819 contractor licenses based here.
Nearby in San Diego County: El Cajon (130), Chula Vista (128), Escondido (122), Oceanside (91).
33% of San Diego's C-36 licensees hold more than one classification — most often B General Building Contractor (23%), C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor (13%). Extra classifications can change how carriers rate your general liability and workers' comp, so list every license class when you quote.
Business structure: 38% sole owners, 55% corporations, 6% LLCs; median time licensed 10.1 years.
For plumbers, underwriters focus first on: gas line work and related fire exposure; and trenching near utilities. See the full coverage guide for plumbing contractors for limits, endorsements and workers' comp rules.
Asena Capital Insurance Services compares multiple markets for San Diego contractors and requests additional insured endorsements for you when a contract calls for them. Call (858) 925-9555 or request a quote — only your name, phone and email are required. CA License #6008596.
488 active C-36 licenses have a business address in San Diego (CSLB, September 2026); 45% carry workers' comp and 51% are filed exempt.
Property damage your completed work causes is typically a completed-operations question. Some plumbing policies limit water damage or mold, so we compare that wording line by line.