Licensed plumbers in Contra Costa County, CA
364 plumbing contractors with a CSLB C-36 license list a business address in Contra Costa County. How to confirm a license.
Guides: Water heater installation in California · How to hire a plumber in California · What a C-36 plumbing license covers
Listings are CSLB C-36 Plumbing licences in the file downloaded November 4, 2026. Confirm a license is current on the CSLB license check before hiring.
Cities in Contra Costa County
Antioch (50)Bay Point (5)Brentwood (27)Clayton (6)Concord (43)Danville (13)Discovery Bay (6)El Cerrito (6)El Sobrante (16)Hercules (5)Lafayette (7)Martinez (17)Oakley (17)Pinole (12)Pittsburg (25)Pleasant Hill (10)Richmond (31)Rodeo (6)San Pablo (12)San Ramon (15)Walnut Creek (23)
Other listings in Contra Costa County
| Business | City | Phone | License # | Expires |
|---|---|---|---|---|
| Done Right Plumbing Inc. | Alamo | (925) 743-8889 | 669017 | 12/31/2026 |
| Perez Plumbing | Bethel Island | (925) 301-3954 | 1118608 | 03/31/2028 |
| VP Plumbing & Water Heater Service Inc. | Byron | (925) 679-3829 | 1108311 | 10/31/2028 |
| Value Plumbing Co. | Byron | (925) 679-3829 | 543959 | 10/31/2028 |
| Clear Water Mechanical Plumbing & Underground | Clyde | (925) 679-3100 | 931971 | 04/30/2027 |
| Bay Area Plumbing Pros Inc. | Crockett | (415) 410-7757 | 1156440 | 06/30/2028 |
| Central Service Plumbing Company | Crockett | (510) 799-7708 | 602758 | 08/31/2027 |
| Green Eagle Plumbing Website | Kensington | (510) 928-0759 | 987565 | 10/31/2027 |
| Aqua Duct Commercial Plumbing Inc. | Moraga | (510) 595-1458 | 1100777 | 09/30/2027 |
| Diablo Water Heaters Inc. | Orinda | (510) 861-0658 | 1090496 | 04/30/2027 |
| Drain Guardians Inc. | Pacheco | (925) 510-3157 | 1149365 | 01/31/2028 |
| Tier 1 Plumbing | Pacheco | (925) 316-5893 | 1158503 | 07/31/2028 |