B General Building Licenses in San Mateo: Bond, Workers' Comp & Compliance

B compliance in San Mateo — CSLB data

CSLB's license file (September 2026) lists 315 active B licenses based in San Mateo. 40% show a workers' comp policy and 58% are filed exempt.

17 of them are suspended (2 workers' comp / 15 bond) — a suspended license cannot legally contract.

Across San Mateo County the count is 2,397, and 106 are suspended for coverage or bond lapses.

43% of San Mateo's B licenses are 20+ years old, 18% are newer than three years (median 17.3 years). 26 were issued in the last 12 months.

5% are LLCs, which carry extra CSLB insurance and bond rules (below).

What CSLB requires for a B license

• License bond: $25,000 on file with CSLB.
• Workers' comp: required with employees; mandatory for all active licenses from January 1, 2028 (SB 1455).
• LLC licenses: $1M+ liability insurance and a $100,000 employee/worker bond.

Get a quote

Asena Capital Insurance Services compares multiple markets for San Mateo 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 B licenses in San Mateo are suspended?

As of September 2026, 2 for workers' comp and 15 for bond issues, out of 315 active B licenses based in San Mateo.

How many new B licenses were issued in San Mateo last year?

26 in the 12 months to September 2026. Each needed a $25,000 bond on file before CSLB issued the license.

Do general contractors need workers' comp with no employees?

Today a B license with no employees can file an exemption. Beginning January 1, 2028 (SB 1455), CSLB will require workers' comp for all active licenses, except joint ventures.

Related pages

• Insurance For General Contractors California
• Contractor Insurance San Mateo
• General Contractor Insurance San Mateo