California Contractor Insurance

Plumbing Contractor Insurance in San Bernardino, California

Asena Capital Insurance Services — California-licensed insurance brokerage serving contractors statewide. Phone: (858) 925-9555. Email: info@asenainsurance.com.

Plumbing contractors in San Bernardino by the numbers

San Bernardino is home to 58 licensed plumbing contractors (C-36, CSLB September 2026), about 7% of the 846 contractor licenses based here.

Nearby in San Bernardino County: Rancho Cucamonga (70), Fontana (53), Ontario (46), Chino (44).

40% of San Bernardino's C-36 licensees hold more than one classification — most often B General Building Contractor (28%), C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor (10%). Extra classifications can change how carriers rate your general liability and workers' comp, so list every license class when you quote.

Business structure: 41% sole owners, 48% corporations, 9% LLCs; median time licensed 9.2 years.

What carriers look at

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.

Get a quote

Asena Capital Insurance Services compares multiple markets for San Bernardino 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.

Frequently asked questions

How many licensed plumbing contractors are in San Bernardino?

58 active C-36 licenses have a business address in San Bernardino (CSLB, September 2026); 48% carry workers' comp and 50% are filed exempt.

Do C-36 plumbers need workers' comp?

Yes if you have employees. With no employees you can currently file an exemption; beginning January 1, 2028, CSLB will require workers' comp for all active licenses under SB 1455, except joint ventures.

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