Hvac contractors in Concord by the numbers
Concord is home to 74 licensed HVAC contractors (C-20, CSLB September 2026) — #21 in California, about 6% of the 1,163 contractor licenses based here.
Nearby in Contra Costa County: Antioch (38), Brentwood (31), Oakley (19), Pittsburg (17).
46% of Concord's C-20 licensees hold more than one classification — most often B General Building Contractor (22%), C-36 Plumbing Contractor (16%). Extra classifications can change how carriers rate your general liability and workers' comp, so list every license class when you quote.
Business structure: 36% sole owners, 57% corporations, 4% LLCs; median time licensed 14.4 years.
What carriers look at
For HVAC contractors, underwriters focus first on: fire or carbon-monoxide claims tied to furnace and venting work; and refrigerant handling and disposal under EPA rules. See the full coverage guide for HVAC contractors for limits, endorsements and workers' comp rules.
Get a quote
Asena Capital Insurance Services compares multiple markets for Concord 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 HVAC contractors are in Concord?
74 active C-20 licenses have a business address in Concord (CSLB, September 2026); 97% carry workers' comp and 1% are filed exempt.
Can a C-20 HVAC contractor stay exempt from workers' comp?
No. Since January 1, 2023, every active C-20 license must have a current workers' comp policy on file with CSLB, with or without employees.