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

The California Contractors State License Board (CSLB) lists 20 Plumbing (C-36) contractors in Monrovia, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

20 contractors

1. John W Allen

   Monrovia, CA · CSLB #641272 · as of June 27, 2026
   Active · clear
2. Century Sewer Services

   Monrovia, CA · CSLB #626528 · as of June 27, 2026
   Active · clear
3. R J Collins Plumbing CO INC

   Monrovia, CA · CSLB #583305 · as of June 27, 2026
   Active · clear
4. DP Dealer LLC

   Monrovia, CA · CSLB #1146892 · as of June 27, 2026
   Active · clear
5. Drain Great Plumbing Services

   Monrovia, CA · CSLB #1120920 · as of June 27, 2026
   Active · clear
6. Gomez Plumbing Solutions

   Monrovia, CA · CSLB #1086167 · as of June 27, 2026
   Active · clear
7. Hassle Free Plumbing

   Monrovia, CA · CSLB #913828 · as of June 27, 2026
   Active · clear
8. Johnssons Plumbing Service

   Monrovia, CA · CSLB #586319 · as of June 27, 2026
   Active · clear
9. MJM Plumbing INC

   Monrovia, CA · CSLB #1139628 · as of June 27, 2026
   Active · clear
10. Morales Plumbing

    Monrovia, CA · CSLB #1078761 · as of June 27, 2026
    Active · clear
11. North Brother Plumbing

    Monrovia, CA · CSLB #820529 · as of June 27, 2026
    Active · clear
12. Pipeman

    Monrovia, CA · CSLB #740665 · as of June 27, 2026
    Active · clear
13. Ripple Plumbing

    Monrovia, CA · CSLB #1018253 · as of June 27, 2026
    Active · clear
14. Rocket Plumbing

    Monrovia, CA · CSLB #612976 · as of June 27, 2026
    Active · clear
15. Robert Campos DBA Rocket Plumbing Repair

    Monrovia, CA · CSLB #1027236 · as of June 27, 2026
    Active · clear
16. Rudy's Plumbing

    Monrovia, CA · CSLB #917340 · as of June 27, 2026
    Active · clear
17. Sirius Plumbing INC

    Monrovia, CA · CSLB #1151630 · as of June 27, 2026
    Active · clear
18. Versatile Rooter & Plumbing

    Monrovia, CA · CSLB #1090469 · as of June 27, 2026
    Active · clear
19. Chris Demarco

    Monrovia, CA · CSLB #954954 · as of June 27, 2026
    Suspended · bond
20. Murakami Plumbing

    Monrovia, CA · CSLB #948102 · 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.