Best Licensed HVAC Contractors in San Pablo, CA
6 HVAC contractors registered in San Pablo hold current CSLB licenses, verified against official records as of August 17, 2026. All 6 are listed below, ordered by years licensed.
- 317 active C-20 heating and air conditioning licenses in Contra Costa County; 6 registered in San Pablo
- California requires workers' compensation cover for C-20 licensees: 6 of San Pablo's 6 licenses (100.0%) carry a current policy with CSLB
- Median time licensed in San Pablo: 4 years
- Longest San Pablo licensure: since 1992
- 28 county licenses reach their expiration date within 90 days
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- Verified
- August 17, 2026
- Licensed since
- 1992
- Expires
- 2028-04-30
- Phone
- (510) 234-9424
- Verified
- August 17, 2026
- Licensed since
- 2005
- Expires
- 2027-05-31
- Phone
- (510) 367-1878
- Verified
- August 17, 2026
- Licensed since
- 2010
- Expires
- 2027-08-31
- Phone
- (510) 693-6943
- Verified
- August 17, 2026
- Licensed since
- 2021
- Expires
- 2027-11-30
- Phone
- (510) 518-8149
- Verified
- August 17, 2026
- Licensed since
- 2022
- Expires
- 2026-09-30
- Phone
- (510) 734-4753
- Verified
- August 17, 2026
- Licensed since
- 2024
- Expires
- 2028-04-30
- Phone
- (510) 837-1620
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Rudy's Commercial Refrigeration Inc. | #641418 | On file | 1992 |
| P T Cooling & Heating | #859036 | On file | 2005 |
| Pro-active Hvac Incorporated | #945849 | On file | 2010 |
| Westcold Services | #1084309 | On file | 2021 |
| Jcs Mechanical | #1096051 | On file | 2022 |
| Comfort Home Heating & Air | #1118917 | On file | 2024 |
Contra Costa County HVAC licensure at a glance
California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 317 active C-20 heating and air conditioning licenses in Contra Costa County, 6 of them registered in San Pablo. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median San Pablo license has been held 4 years, and the longest-standing one dates to 1992. California law requires workers' compensation cover for C-20 licensees, so it is a legal baseline rather than a way to tell two contractors apart: 6 of San Pablo's 6 licenses (100.0%) carry a current policy in CSLB's file, and we do not rank on it. The contractor bond is not a signal here: 317 of the county's 317 licenses carry the same $25,000 bond California sets by statute. 28 county licenses reach their expiration date within the next 90 days. CSLB cannot link straight to a license record, so every listing above shows its number for you to type into CSLB's license lookup. How we verify.
HVAC Contractors in San Pablo: common questions
How many licensed HVAC contractors are there in San Pablo?
6 active C-20 heating and air conditioning licenses are registered in San Pablo, out of 317 across Contra Costa County. 6 San Pablo-registered companies passed our license verification, and all 6 are listed on this page. Only licenses CSLB shows as CLEAR and unexpired are listed.
Does California license HVAC contractors?
Yes. California licenses contractors by classification, and C-20 is the CSLB classification that authorises this work. 6 active C-20 heating and air conditioning licenses are registered in San Pablo and 317 across Contra Costa County, the longest-standing issued in 1992. Only CLEAR, unexpired licenses appear here.
How do I check an HVAC contractor's license in California?
Every listing above shows its CSLB license number. CSLB cannot link straight to a record, so open its license lookup and type the number in: it shows status, expiration, the contractor bond and workers' compensation cover, which California requires of C-20 licensees and 6 of San Pablo's 6 currently carry. 28 Contra Costa County licenses expire within 90 days.