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

The California Contractors State License Board (CSLB) lists 27 Plumbing (C-36) contractors in West Covina, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 7, 2026.

27 contractors

1. Andrews Plumbing & Drain Cleaning

   West Covina, CA · CSLB #878792 · as of October 7, 2026
   Active · clear
2. B P Maintenance Plumbing INC

   West Covina, CA · CSLB #1093046 · as of October 7, 2026
   Active · clear
3. CML Plumbing Contractor INC

   West Covina, CA · CSLB #932805 · as of October 7, 2026
   Active · clear
4. D H K Plumbing & Piping INC

   West Covina, CA · CSLB #882130 · as of October 7, 2026
   Active · clear
5. Dirt Cheap Rooter N Plumbing

   West Covina, CA · CSLB #908614 · as of October 7, 2026
   Active · clear
6. Dynamo Plumbing & Drain Cleaning INC

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

   West Covina, CA · CSLB #1129859 · as of October 7, 2026
   Active · clear
8. Hoyo Rooter

   West Covina, CA · CSLB #1043803 · as of October 7, 2026
   Active · clear
9. Hustle & Flow Plumbing LLC

   West Covina, CA · CSLB #1131990 · as of October 7, 2026
   Active · clear
10. JJJ Plumbing INC

    West Covina, CA · CSLB #842875 · as of October 7, 2026
    Active · clear
11. K O P Construction

    West Covina, CA · CSLB #945246 · as of October 7, 2026
    Active · clear
12. Sun Lin

    West Covina, CA · CSLB #931259 · as of October 7, 2026
    Active · clear
13. Master Rooter Plumbing Service

    West Covina, CA · CSLB #513577 · as of October 7, 2026
    Active · clear
14. Carlos Mena

    West Covina, CA · CSLB #880198 · as of October 7, 2026
    Active · clear
15. Mario Cesar Ortiz

    West Covina, CA · CSLB #1047476 · as of October 7, 2026
    Active · clear
16. O & Z Plumbing Work INC

    West Covina, CA · CSLB #911682 · as of October 7, 2026
    Active · clear
17. Alfredo Pedroza

    West Covina, CA · CSLB #895177 · as of October 7, 2026
    Active · clear
18. Pedroza Plumbing & Rooter LLC

    West Covina, CA · CSLB #1158633 · as of October 7, 2026
    Active · clear
19. Pro Water Plumbing

    West Covina, CA · CSLB #952006 · as of October 7, 2026
    Active · clear
20. R C P Plumbing INC

    West Covina, CA · CSLB #998258 · as of October 7, 2026
    Active · clear
21. Rey Santos Plumbing

    West Covina, CA · CSLB #992594 · as of October 7, 2026
    Active · clear
22. Rosales Plumbing & Rooter

    West Covina, CA · CSLB #802004 · as of October 7, 2026
    Active · clear
23. Royal Snake Plumbing

    West Covina, CA · CSLB #1159392 · as of October 7, 2026
    Active · clear
24. Shams Plumbing Contractor

    West Covina, CA · CSLB #925866 · as of October 7, 2026
    Active · clear
25. Thee Best Rooter And Plumbing

    West Covina, CA · CSLB #957938 · as of October 7, 2026
    Active · clear
26. Zhenwei Liang

    West Covina, CA · CSLB #1052050 · as of October 7, 2026
    Active · clear
27. Hydro Backflow

    West Covina, CA · CSLB #1008186 · as of October 7, 2026
    Suspended · bond

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

Data sourced from the California Contractors State License Board (CSLB), current as of October 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.