Licensed plumbers in Newark, CA

14 plumbing contractors with a CSLB C-36 license list a business address in Newark (Alameda 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
Above All Plumbing Inc. Website	(510) 475-6040	739199	05/31/2028
All Bay Plumbing Incorporated Website	(650) 814-0241	1033035	11/30/2027
American Water Heater Service Inc.	(510) 490-4411	959436	03/31/2027
Aum Plumbing Services	(510) 592-4545	1115037	01/31/2028
Bay Water Plumbing Inc. Website	(510) 900-9888	1052198	03/31/2028
Daniel Cisneros DBA D C Plumbing	(510) 456-6210	913429	04/30/2028
Doc's Plumbing	(510) 792-1584	656541	10/31/2028
Grant's Plumbing	(925) 575-0907	963364	07/31/2027
Marino Sumano Plumbing	(650) 575-9138	1094723	07/31/2028
Mc Plumbing Inc.	(650) 678-4718	1024192	04/30/2027
OC Plumbing & Water Heaters Website	(510) 648-7729	1125266	08/31/2028
Rocky's Plumbing And Rooter	(415) 802-3391	1079383	08/31/2027
Silicon Valley Plumbing Services	(650) 701-6419	1098278	10/31/2028
Veliz Plumbing Service	(408) 771-1775	949281	02/29/2028