California Contractor Insurance
Asena Capital Insurance Services — California-licensed insurance brokerage serving contractors statewide. Phone: (858) 925-9555. Email: info@asenainsurance.com.
Modesto is home to 87 licensed plumbing contractors (C-36, CSLB September 2026) — #31 in California, about 7% of the 1,245 contractor licenses based here.
Nearby in Stanislaus County: Turlock (23), Oakdale (22), Ceres (14), Patterson (11).
40% of Modesto'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 (16%). Extra classifications can change how carriers rate your general liability and workers' comp, so list every license class when you quote.
Business structure: 40% sole owners, 49% corporations, 10% LLCs; median time licensed 9.7 years.
For plumbers, underwriters focus first on: mold claims that follow slow leaks; and sewer backup and drain-cleaning work. See the full coverage guide for plumbing contractors for limits, endorsements and workers' comp rules.
Asena Capital Insurance Services compares multiple markets for Modesto 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.
87 active C-36 licenses have a business address in Modesto (CSLB, September 2026); 45% carry workers' comp and 54% 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.