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

The California Contractors State License Board (CSLB) lists 29 Plumbing (C-36) contractors in Downey, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

29 contractors

1. Abe's Plumbing INC

   Downey, CA · CSLB #613580 · as of June 27, 2026
   Active · clear
2. Mark Anthony Plumbing

   Downey, CA · CSLB #720060 · as of June 27, 2026
   Active · clear
3. Atg Plumbing INC

   Downey, CA · CSLB #1149907 · as of June 27, 2026
   Active · clear
4. Base Line Plumbing INC

   Downey, CA · CSLB #1145399 · as of June 27, 2026
   Active · clear
5. Blackwell Family Plumbing INC

   Downey, CA · CSLB #1139682 · as of June 27, 2026
   Active · clear
6. Chris Neighborhood Plumbing

   Downey, CA · CSLB #987397 · as of June 27, 2026
   Active · clear
7. Copperstate Plumbing

   Downey, CA · CSLB #1100284 · as of June 27, 2026
   Active · clear
8. Davila Plumbing

   Downey, CA · CSLB #1090062 · as of June 27, 2026
   Active · clear
9. Domingo's Plumbing

   Downey, CA · CSLB #861241 · as of June 27, 2026
   Active · clear
10. F B Plumbing Services

    Downey, CA · CSLB #825936 · as of June 27, 2026
    Active · clear
11. Goodtrade Plumbing Company

    Downey, CA · CSLB #1044485 · as of June 27, 2026
    Active · clear
12. Hagen Plumbing INC

    Downey, CA · CSLB #500679 · as of June 27, 2026
    Active · clear
13. J C Plumbing

    Downey, CA · CSLB #907706 · as of June 27, 2026
    Active · clear
14. Russell Keene Plumbing

    Downey, CA · CSLB #612529 · as of June 27, 2026
    Active · clear
15. MC Gough Plumbing

    Downey, CA · CSLB #503269 · as of June 27, 2026
    Active · clear
16. M D Plumbing

    Downey, CA · CSLB #688243 · as of June 27, 2026
    Active · clear
17. Megaflow Plumbing INC

    Downey, CA · CSLB #1095385 · as of June 27, 2026
    Active · clear
18. M & M Plumbing And Rooter INC

    Downey, CA · CSLB #1110797 · as of June 27, 2026
    Active · clear
19. MR Plumber 4 Less

    Downey, CA · CSLB #926191 · as of June 27, 2026
    Active · clear
20. Navarro's Plumbing

    Downey, CA · CSLB #572913 · as of June 27, 2026
    Active · clear
21. Pro-tech Plumbing CO

    Downey, CA · CSLB #821490 · as of June 27, 2026
    Active · clear
22. Ragusa Plumbing Heating & Air Conditioning

    Downey, CA · CSLB #651553 · as of June 27, 2026
    Active · clear
23. Slavi Yordanov

    Downey, CA · CSLB #1143524 · as of June 27, 2026
    Active · clear
24. So Cal's Plumbing INC

    Downey, CA · CSLB #1056731 · as of June 27, 2026
    Active · clear
25. Southland Backflow And Plumbing Services

    Downey, CA · CSLB #1074601 · as of June 27, 2026
    Active · clear
26. Speedy Water Heaters And Plumbing INC

    Downey, CA · CSLB #1074785 · as of June 27, 2026
    Active · clear
27. Trustworthy Plumbing LLC

    Downey, CA · CSLB #1115380 · as of June 27, 2026
    Active · clear
28. Upgrade Drain & Plumbing

    Downey, CA · CSLB #865670 · as of June 27, 2026
    Active · clear
29. Vinnie's Plumbing

    Downey, CA · CSLB #743581 · as of June 27, 2026
    Active · clear

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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.