Licensed Plumbing (C-36) contractors in Sonoma, CA

The California Contractors State License Board (CSLB) lists 13 Plumbing (C-36) contractors in Sonoma, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

13 contractors

1. Big Al's Plumbing

   Sonoma, CA · CSLB #1149646 · as of June 27, 2026
   Active · clear
2. Cottam Enterprises INC

   Sonoma, CA · CSLB #973502 · as of June 27, 2026
   Active · clear
3. Eddie R Plumbing

   Sonoma, CA · CSLB #808283 · as of June 27, 2026
   Active · clear
4. Ferrando's Plumbing & Heating INC

   Sonoma, CA · CSLB #449417 · as of June 27, 2026
   Active · clear
5. Goflow Plumbing INC

   Sonoma, CA · CSLB #1150830 · as of June 27, 2026
   Active · clear
6. Haddly Plumbing

   Sonoma, CA · CSLB #869145 · as of June 27, 2026
   Active · clear
7. Locati Plumbing

   Sonoma, CA · CSLB #1139128 · as of June 27, 2026
   Active · clear
8. Plumb Smart

   Sonoma, CA · CSLB #1126758 · as of June 27, 2026
   Active · clear
9. Steven Raffaini Plumbing And Radiant LLC

   Sonoma, CA · CSLB #916665 · as of June 27, 2026
   Active · clear
10. Sandeen Plumbing LLC

    Sonoma, CA · CSLB #941868 · as of June 27, 2026
    Active · clear
11. Spotless Plumbing

    Sonoma, CA · CSLB #1093556 · as of June 27, 2026
    Active · clear
12. Valley Of The Moon Plumbing LLC

    Sonoma, CA · CSLB #1004026 · as of June 27, 2026
    Active · clear
13. Olhava Plumbing

    Sonoma, CA · CSLB #1125371 · as of June 27, 2026
    Suspended · bond

See all Plumbing (C-36) contractors in California →

Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.