Licensed Plumbing (C-36) contractors in Walnut Creek, CA

The California Contractors State License Board (CSLB) lists 22 Plumbing (C-36) contractors in Walnut Creek, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 7, 2026.

22 contractors

1. A & D Plumbing

   Walnut Creek, CA · CSLB #959962 · as of October 7, 2026
   Active · clear
2. Andiamo Plumbing

   Walnut Creek, CA · CSLB #938192 · as of October 7, 2026
   Active · clear
3. BDS Plumbing INC

   Walnut Creek, CA · CSLB #713183 · as of October 7, 2026
   Active · clear
4. Bells Plumbing Solutions

   Walnut Creek, CA · CSLB #1147956 · as of October 7, 2026
   Active · clear
5. C D Plumbing Construction

   Walnut Creek, CA · CSLB #804330 · as of October 7, 2026
   Active · clear
6. Delta Drain And Pipe

   Walnut Creek, CA · CSLB #1153574 · as of October 7, 2026
   Active · clear
7. Diablo Rooter

   Walnut Creek, CA · CSLB #510112 · as of October 7, 2026
   Active · clear
8. Excalibur Water Heaters INC

   Walnut Creek, CA · CSLB #1106329 · as of October 7, 2026
   Active · clear
9. Executive Plumbing Service

   Walnut Creek, CA · CSLB #873593 · as of October 7, 2026
   Active · clear
10. H M S

    Walnut Creek, CA · CSLB #649845 · as of October 7, 2026
    Active · clear
11. Humphrey Plumbing

    Walnut Creek, CA · CSLB #1143253 · as of October 7, 2026
    Active · clear
12. Leapfrog Plumbing

    Walnut Creek, CA · CSLB #929641 · as of October 7, 2026
    Active · clear
13. Liko Industries INC

    Walnut Creek, CA · CSLB #972470 · as of October 7, 2026
    Active · clear
14. MGB Pipe Works INC

    Walnut Creek, CA · CSLB #893155 · as of October 7, 2026
    Active · clear
15. Precision Plumbing

    Walnut Creek, CA · CSLB #709108 · as of October 7, 2026
    Active · clear
16. Providence Water Heaters INC

    Walnut Creek, CA · CSLB #1013553 · as of October 7, 2026
    Active · clear
17. R.a.p. Plumbing

    Walnut Creek, CA · CSLB #1139304 · as of October 7, 2026
    Active · clear
18. Rooter-man

    Walnut Creek, CA · CSLB #646020 · as of October 7, 2026
    Active · clear
19. Ruben's Plumbing

    Walnut Creek, CA · CSLB #972746 · as of October 7, 2026
    Active · clear
20. Brett Martin Stom

    Walnut Creek, CA · CSLB #687252 · as of October 7, 2026
    Active · clear
21. Water Services

    Walnut Creek, CA · CSLB #1125399 · as of October 7, 2026
    Active · clear
22. Mike Williams Plumbing

    Walnut Creek, CA · CSLB #311842 · as of October 7, 2026
    Active · clear

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.