Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,055 California contractors classified C-36 (Plumbing (C-36)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of October 8, 2026.

Showing 1,621–1,680 of 12,055 contractors

1. B J Plumbing

   Gardnerville, CA · CSLB #287708 · as of October 8, 2026
   Active · clear
2. B K Plumbing

   Escondido, CA · CSLB #726761 · as of October 8, 2026
   Active · clear
3. B K Plumbing

   Fortuna, CA · CSLB #1057056 · as of October 8, 2026
   Active · clear
4. BK Plumbing INC

   Los Alamitos, CA · CSLB #945672 · as of October 8, 2026
   Active · clear
5. Black Fenix Plumbing CO

   Newman, CA · CSLB #1094459 · as of October 8, 2026
   Active · clear
6. Black Horse Plumbing Contractors

   Long Beach, CA · CSLB #790703 · as of October 8, 2026
   Active · clear
7. Black Metal Plumbing

   Pasadena, CA · CSLB #1135366 · as of October 8, 2026
   Active · clear
8. Blackmon Plumbing

   San Diego, CA · CSLB #1089284 · as of October 8, 2026
   Active · clear
9. Stephen Blackmore Plumbing

   Fair Oaks, CA · CSLB #1066565 · as of October 8, 2026
   Active · clear
10. Black Mountain Plumbing INC

    San Diego, CA · CSLB #782799 · as of October 8, 2026
    Active · clear
11. Black Sheep Pools

    Bakersfield, CA · CSLB #1091505 · as of October 8, 2026
    Active · clear
12. Blackwell Family Plumbing INC

    Downey, CA · CSLB #1139682 · as of October 8, 2026
    Active · clear
13. Blackwell Plumbing

    Huntington Beach, CA · CSLB #1138461 · as of October 8, 2026
    Active · clear
14. Brent Blake Plumbing

    Aliso Viejo, CA · CSLB #976312 · as of October 8, 2026
    Active · clear
15. Blakemore Plumbing

    Temecula, CA · CSLB #1146707 · as of October 8, 2026
    Active · clear
16. Blakley Plumbing

    El Dorado Hills, CA · CSLB #1011072 · as of October 8, 2026
    Active · clear
17. John Blankenship Plumbing

    Sunland, CA · CSLB #966365 · as of October 8, 2026
    Active · clear
18. Mike Blank Plumbing INC

    Chatsworth, CA · CSLB #753948 · as of October 8, 2026
    Active · clear
19. Blantons Pro Plumbing

    Auberry, CA · CSLB #1161167 · as of October 8, 2026
    Active · clear
20. Jim Blazen

    El Cajon, CA · CSLB #894621 · as of October 8, 2026
    Active · clear
21. Blazer Plumbing

    Rohnert Park, CA · CSLB #1138296 · as of October 8, 2026
    Active · clear
22. Bledsoe Plumbing

    Camp Connell, CA · CSLB #1100827 · as of October 8, 2026
    Active · clear
23. Larel Block Quality Plumbing Corporation

    Beaumont, CA · CSLB #671902 · as of October 8, 2026
    Active · clear
24. Ray Blom Plumbing INC

    Culver City, CA · CSLB #312107 · as of October 8, 2026
    Active · clear
25. Blooms Plumbing

    Marysville, CA · CSLB #1146217 · as of October 8, 2026
    Active · clear
26. Blossom Valley Plumbing INC

    San Jose, CA · CSLB #784924 · as of October 8, 2026
    Active · clear
27. B & L Plumbing

    San Jose, CA · CSLB #911878 · as of October 8, 2026
    Active · clear
28. B & L Plumbing

    Ventura, CA · CSLB #588122 · as of October 8, 2026
    Active · clear
29. BL Plumbing & Rooter INC

    Winnetka, CA · CSLB #1068382 · as of October 8, 2026
    Active · clear
30. Blue Anchor Plumbing

    San Bernardino, CA · CSLB #1129795 · as of October 8, 2026
    Active · clear
31. Blue Birdie Plumbing

    Reseda, CA · CSLB #1127367 · as of October 8, 2026
    Active · clear
32. Blue Cap Plumbing

    Montebello, CA · CSLB #1025938 · as of October 8, 2026
    Active · clear
33. Blue Coast Plumbing INC

    Los Angeles, CA · CSLB #1029155 · as of October 8, 2026
    Active · clear
34. Blue Collar Plumbing Operations LLC

    Gridley, CA · CSLB #1115481 · as of October 8, 2026
    Active · clear
35. Blue Crew Plumbing & Rooter INC

    Castaic, CA · CSLB #997996 · as of October 8, 2026
    Active · clear
36. Blue Cross Plumbing

    Gardena, CA · CSLB #1124425 · as of October 8, 2026
    Active · clear
37. Blue Diamond Plumbing And Mechanical INC

    San Diego, CA · CSLB #871969 · as of October 8, 2026
    Active · clear
38. Blue Diamond Plumbing INC

    San Jose, CA · CSLB #757316 · as of October 8, 2026
    Active · clear
39. Blue Diamond Plumbing & Rooter LLC

    Norwalk, CA · CSLB #1116370 · as of October 8, 2026
    Active · clear
40. Blue Dot Plumbing

    Arnold, CA · CSLB #987357 · as of October 8, 2026
    Active · clear
41. Blue Drop

    Granada Hills, CA · CSLB #984156 · as of October 8, 2026
    Active · clear
42. Bluefin Plumbing INC

    Banning, CA · CSLB #1136494 · as of October 8, 2026
    Active · clear
43. Blue Grid Plumbing

    Sunnyvale, CA · CSLB #1153156 · as of October 8, 2026
    Active · clear
44. Blue Horizon Plumbing

    Glendale, CA · CSLB #1151951 · as of October 8, 2026
    Active · clear
45. Blue Kap Plumbing

    San Diego, CA · CSLB #1132012 · as of October 8, 2026
    Active · clear
46. Blue Line INC

    Tujunga, CA · CSLB #642257 · as of October 8, 2026
    Active · clear
47. Blue Line Plumbing

    Fair Oaks, CA · CSLB #1147855 · as of October 8, 2026
    Active · clear
48. Blueline Plumbing

    Dunnigan, CA · CSLB #1124462 · as of October 8, 2026
    Active · clear
49. Blue Line Plumbing 1 INC

    Santa Rosa, CA · CSLB #1125896 · as of October 8, 2026
    Active · clear
50. Blue Line Plumbing INC

    Encino, CA · CSLB #789896 · as of October 8, 2026
    Active · clear
51. Blue Moon Plumbing

    Redwood City, CA · CSLB #1158794 · as of October 8, 2026
    Active · clear
52. Blue Muscle Plumbing And Rooter Service

    Lancaster, CA · CSLB #1055675 · as of October 8, 2026
    Active · clear
53. Blue Pacific Plumbing Mechanical

    San Diego, CA · CSLB #957893 · as of October 8, 2026
    Active · clear
54. Blue Pals Plumbing INC

    Fallbrook, CA · CSLB #1033801 · as of October 8, 2026
    Active · clear
55. Blue Planet Drains & Plumbing INC

    Chula Vista, CA · CSLB #892783 · as of October 8, 2026
    Active · clear
56. Blue Planet Water Services INC

    Auburn, CA · CSLB #1129349 · as of October 8, 2026
    Active · clear
57. Blue Plumbing INC

    Wilmington, CA · CSLB #1020825 · as of October 8, 2026
    Active · clear
58. Blue Point Plumbing

    Santa Clarita, CA · CSLB #1140216 · as of October 8, 2026
    Active · clear
59. Blue Rain Plumbing

    Whittier, CA · CSLB #1029973 · as of October 8, 2026
    Active · clear
60. Blue Ribbon Plumbing

    San Luis Obispo, CA · CSLB #1141421 · as of October 8, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.