General contractors in Santa Rosa by the numbers
Santa Rosa is home to 851 licensed general contractors (B, CSLB September 2026) — #9 in California, about 41% of the 2,058 contractor licenses based here.
Nearby in Sonoma County: Petaluma (388), Sebastopol (229), Sonoma (158), Rohnert Park (108).
24% of Santa Rosa's B licensees hold more than one classification — most often A General Engineering Contractor (6%), C-10 Electrical Contractor (4%). Extra classifications can change how carriers rate your general liability and workers' comp, so list every license class when you quote.
Business structure: 54% sole owners, 38% corporations, 6% LLCs; median time licensed 19.3 years.
What carriers look at
For general contractors, underwriters focus first on: builder's risk on projects under construction; and crew trucks, trailers and equipment. See the full coverage guide for general contractors for limits, endorsements and workers' comp rules.
Get a quote
Asena Capital Insurance Services compares multiple markets for Santa Rosa 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 general contractors are in Santa Rosa?
851 active B licenses have a business address in Santa Rosa (CSLB, September 2026); 44% carry workers' comp and 54% are filed exempt.
Why does my workers' comp audit charge me for subcontractors?
If a sub cannot prove its own workers' comp coverage, carriers typically add that sub's payroll to your policy at audit. Collecting current certificates from every sub is the simplest protection.