General contractors in Fontana by the numbers
Fontana is home to 263 licensed general contractors (B, CSLB September 2026), about 33% of the 799 contractor licenses based here.
Nearby in San Bernardino County: Rancho Cucamonga (363), Ontario (323), San Bernardino (273), Upland (269).
31% of Fontana's B licensees hold more than one classification — most often C-10 Electrical Contractor (6%), A General Engineering Contractor (5%). Extra classifications can change how carriers rate your general liability and workers' comp, so list every license class when you quote.
Business structure: 43% sole owners, 50% corporations, 5% LLCs; median time licensed 8.8 years.
What carriers look at
For general contractors, underwriters focus first on: contract requirements: additional insured, waiver of subrogation, primary and non-contributory; and builder's risk on projects under construction. 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 Fontana 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 Fontana?
263 active B licenses have a business address in Fontana (CSLB, September 2026); 35% carry workers' comp and 61% 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.