Licensed plumbers in Napa County, CA
47 plumbing contractors with a CSLB C-36 license list a business address in Napa 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 Napa County
Other listings in Napa County
| Business | City | Phone | License # | Expires |
|---|---|---|---|---|
| Klingbeil Plumbing | Angwin | (707) 290-0063 | 272429 | 05/31/2028 |
| St Helena Plumbing | Angwin | (707) 230-0856 | 671970 | 11/30/2028 |
| Aqueduct Plumbing | St Helena | (707) 299-9220 | 380498 | 08/31/2027 |