Concrete contractors in Modesto by the numbers
Modesto is home to 31 licensed concrete contractors (C-8, CSLB September 2026) — #25 in California, about 2% of the 1,245 contractor licenses based here.
Nearby in Stanislaus County: Turlock (15), Ceres (15), Oakdale (9), Patterson (7).
32% of Modesto's C-8 licensees hold more than one classification — most often B General Building Contractor (16%), C-27 Landscaping 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: 52% sole owners, 39% corporations, 10% LLCs; median time licensed 8.5 years.
What carriers look at
For concrete contractors, underwriters focus first on: concrete washout and runoff that can trigger property or pollution claims; and pump and mixer trucks, dump trucks and trailers moving heavy loads. See the full coverage guide for concrete contractors for limits, endorsements and workers' comp rules.
Get a quote
Asena Capital Insurance Services compares multiple markets for Modesto 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 concrete contractors are in Modesto?
31 active C-8 licenses have a business address in Modesto (CSLB, September 2026); 97% carry workers' comp and 0% are filed exempt.
Does GL cover cracked concrete I poured?
GL is built for bodily injury and property damage to others, not for redoing your own work. Damage your faulty work causes to other property may be covered under completed operations, depending on the policy.