Roofing contractors in San Mateo by the numbers
San Mateo is home to 12 licensed roofing contractors (C-39, CSLB September 2026), about 2% of the 634 contractor licenses based here.
Nearby in San Mateo County: Redwood City (16), South San Francisco (13), Daly City (11), San Bruno (6).
83% of San Mateo's C-39 licensees hold more than one classification — most often B General Building Contractor (50%), C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor (17%). Extra classifications can change how carriers rate your general liability and workers' comp, so list every license class when you quote.
Business structure: 0% sole owners, 92% corporations, 8% LLCs; median time licensed 29.4 years.
What carriers look at
For roofers, underwriters focus first on: dump trailers and loaded trucks on residential streets; and falls from roofs, ladders and skylights — the main driver of roofing workers' comp claims. See the full coverage guide for roofing contractors for limits, endorsements and workers' comp rules.
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 licensed roofing contractors are in San Mateo?
12 active C-39 licenses have a business address in San Mateo (CSLB, September 2026); 100% carry workers' comp and 0% are filed exempt.
Can a C-39 roofer file a workers' comp exemption?
No. CSLB does not allow C-39 roofing licenses to file a workers' comp exemption — every active C-39 license must have workers' comp (or a valid Certification of Self-Insurance) on file, even with no employees. A license without one can be suspended.