Licensed Plumbing (C-36) contractors in West Covina, CA

The California Contractors State License Board (CSLB) lists 25 Plumbing (C-36) contractors in West Covina, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

25 contractors

1. Andrews Plumbing & Drain Cleaning

   West Covina, CA · CSLB #878792 · as of June 27, 2026
   Active · clear
2. B P Maintenance Plumbing INC

   West Covina, CA · CSLB #1093046 · as of June 27, 2026
   Active · clear
3. CML Plumbing Contractor INC

   West Covina, CA · CSLB #932805 · as of June 27, 2026
   Active · clear
4. D H K Plumbing & Piping INC

   West Covina, CA · CSLB #882130 · as of June 27, 2026
   Active · clear
5. Dirt Cheap Rooter N Plumbing

   West Covina, CA · CSLB #908614 · as of June 27, 2026
   Active · clear
6. Dynamo Plumbing & Drain Cleaning INC

   West Covina, CA · CSLB #1126934 · as of June 27, 2026
   Active · clear
7. Gonzalez Plumbing & Rooter

   West Covina, CA · CSLB #1129859 · as of June 27, 2026
   Active · clear
8. Hoyo Rooter

   West Covina, CA · CSLB #1043803 · as of June 27, 2026
   Active · clear
9. Hustle & Flow Plumbing LLC

   West Covina, CA · CSLB #1131990 · as of June 27, 2026
   Active · clear
10. Hydro Backflow

    West Covina, CA · CSLB #1008186 · as of June 27, 2026
    Active · clear
11. JJJ Plumbing INC

    West Covina, CA · CSLB #842875 · as of June 27, 2026
    Active · clear
12. K O P Construction

    West Covina, CA · CSLB #945246 · as of June 27, 2026
    Active · clear
13. Sun Lin

    West Covina, CA · CSLB #931259 · as of June 27, 2026
    Active · clear
14. Master Rooter Plumbing Service

    West Covina, CA · CSLB #513577 · as of June 27, 2026
    Active · clear
15. Carlos Mena

    West Covina, CA · CSLB #880198 · as of June 27, 2026
    Active · clear
16. Mario Cesar Ortiz

    West Covina, CA · CSLB #1047476 · as of June 27, 2026
    Active · clear
17. O & Z Plumbing Work INC

    West Covina, CA · CSLB #911682 · as of June 27, 2026
    Active · clear
18. Alfredo Pedroza

    West Covina, CA · CSLB #895177 · as of June 27, 2026
    Active · clear
19. Pro Water Plumbing

    West Covina, CA · CSLB #952006 · as of June 27, 2026
    Active · clear
20. R C P Plumbing INC

    West Covina, CA · CSLB #998258 · as of June 27, 2026
    Active · clear
21. Rey Santos Plumbing

    West Covina, CA · CSLB #992594 · as of June 27, 2026
    Active · clear
22. Rosales Plumbing & Rooter

    West Covina, CA · CSLB #802004 · as of June 27, 2026
    Active · clear
23. Shams Plumbing Contractor

    West Covina, CA · CSLB #925866 · as of June 27, 2026
    Active · clear
24. Thee Best Rooter And Plumbing

    West Covina, CA · CSLB #957938 · as of June 27, 2026
    Active · clear
25. Zhenwei Liang

    West Covina, CA · CSLB #1052050 · as of June 27, 2026
    Active · clear

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.