Licensed plumbers in Hercules, CA

5 plumbing contractors with a CSLB C-36 license list a business address in Hercules (Contra Costa County). A listing is not an endorsement.

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.

Business	Phone	License #	Expires
Gabriel Serrato Plumbing	(510) 719-4252	1014702	05/31/2028
Impressive Plumbing	(415) 797-0246	791342	02/28/2027
Plumbing Pro	(707) 557-8866	930861	04/30/2027
R V O Rooter & Plumbing	(510) 245-8580	794676	05/31/2027
Razo Plumbing	(510) 478-2502	1048294	12/31/2026