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Licensed plumbers in Discovery Bay, CA
6 plumbing contractors with a CSLB C-36 license list a business address in Discovery Bay (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 |
|---|---|---|---|
| A Plus Plumbing | (925) 383-8499 | 848199 | 10/31/2028 |
| Christy Plumbing | (925) 776-4835 | 888948 | 01/31/2027 |
| Mattson Plumbing Company | (925) 247-4902 | 1048374 | 12/31/2026 |
| Michael Anthony Tenuto | (925) 451-1242 | 1042205 | 07/31/2028 |
| Michaelangelo Plumbing | (925) 451-1242 | 1084299 | 11/30/2027 |
| Rite Rooter Plumbing Website | (925) 516-4525 | 769867 | 10/31/2027 |