Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,022 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 June 28, 2026.

Showing 1,621–1,680 of 12,022 contractors

1. Bill Biggs Plumbing

   Chico, CA · CSLB #1052985 · as of June 28, 2026
   Active · clear
2. Bill Harper Plumbing

   San Diego, CA · CSLB #504044 · as of June 28, 2026
   Active · clear
3. Bill's Plumbing

   Fillmore, CA · CSLB #945382 · as of June 28, 2026
   Active · clear
4. Billy's Plumbing And Rooter

   Chatsworth, CA · CSLB #1022671 · as of June 28, 2026
   Active · clear
5. Billy's Plumbing & Rooter INC

   West Hills, CA · CSLB #1028827 · as of June 28, 2026
   Active · clear
6. Bingham Plumbing

   Oceanside, CA · CSLB #726928 · as of June 28, 2026
   Active · clear
7. Bio Plumbing

   Los Angeles, CA · CSLB #1084703 · as of June 28, 2026
   Active · clear
8. Birchard Plumbing

   Lake Elsinore, CA · CSLB #579653 · as of June 28, 2026
   Active · clear
9. Hasse Birenbaum

   Woodland Hills, CA · CSLB #768391 · as of June 28, 2026
   Active · clear
10. Dave Bischof INC

    Sylmar, CA · CSLB #540222 · as of June 28, 2026
    Active · clear
11. Bishoff Plumbing

    Auburn, CA · CSLB #1056732 · as of June 28, 2026
    Active · clear
12. Bishop Plumbing

    Oroville, CA · CSLB #914909 · as of June 28, 2026
    Active · clear
13. Bix's Plumbing

    Harbor City, CA · CSLB #674827 · as of June 28, 2026
    Active · clear
14. B J J Plumbing

    Los Angeles, CA · CSLB #930407 · as of June 28, 2026
    Active · clear
15. B J Plumbing

    Gardnerville, CA · CSLB #287708 · as of June 28, 2026
    Active · clear
16. B K Plumbing

    Escondido, CA · CSLB #726761 · as of June 28, 2026
    Active · clear
17. B K Plumbing

    Fortuna, CA · CSLB #1057056 · as of June 28, 2026
    Active · clear
18. BK Plumbing INC

    Los Alamitos, CA · CSLB #945672 · as of June 28, 2026
    Active · clear
19. Black Fenix Plumbing CO

    Newman, CA · CSLB #1094459 · as of June 28, 2026
    Active · clear
20. Black Horse Plumbing Contractors

    Long Beach, CA · CSLB #790703 · as of June 28, 2026
    Active · clear
21. Black Metal Plumbing

    Pasadena, CA · CSLB #1135366 · as of June 28, 2026
    Active · clear
22. Blackmon Plumbing

    San Diego, CA · CSLB #1089284 · as of June 28, 2026
    Active · clear
23. Stephen Blackmore Plumbing

    Fair Oaks, CA · CSLB #1066565 · as of June 28, 2026
    Active · clear
24. Black Mountain Plumbing INC

    San Diego, CA · CSLB #782799 · as of June 28, 2026
    Active · clear
25. Black Sheep Pools

    Bakersfield, CA · CSLB #1091505 · as of June 28, 2026
    Active · clear
26. Blackwell Family Plumbing INC

    Downey, CA · CSLB #1139682 · as of June 28, 2026
    Active · clear
27. Blackwell Plumbing

    Huntington Beach, CA · CSLB #1138461 · as of June 28, 2026
    Active · clear
28. Brent Blake Plumbing

    Aliso Viejo, CA · CSLB #976312 · as of June 28, 2026
    Active · clear
29. Blakemore Plumbing

    Temecula, CA · CSLB #1146707 · as of June 28, 2026
    Active · clear
30. Blakley Plumbing

    El Dorado Hills, CA · CSLB #1011072 · as of June 28, 2026
    Active · clear
31. John Blankenship Plumbing

    Sunland, CA · CSLB #966365 · as of June 28, 2026
    Active · clear
32. Mike Blank Plumbing INC

    Chatsworth, CA · CSLB #753948 · as of June 28, 2026
    Active · clear
33. Jim Blazen

    El Cajon, CA · CSLB #894621 · as of June 28, 2026
    Active · clear
34. Blazer Plumbing

    Rohnert Park, CA · CSLB #1138296 · as of June 28, 2026
    Active · clear
35. Bledsoe Plumbing

    Camp Connell, CA · CSLB #1100827 · as of June 28, 2026
    Active · clear
36. Larel Block Quality Plumbing Corporation

    Beaumont, CA · CSLB #671902 · as of June 28, 2026
    Active · clear
37. Ray Blom Plumbing INC

    Culver City, CA · CSLB #312107 · as of June 28, 2026
    Active · clear
38. Blooms Plumbing

    Marysville, CA · CSLB #1146217 · as of June 28, 2026
    Active · clear
39. Blossom Valley Plumbing INC

    San Jose, CA · CSLB #784924 · as of June 28, 2026
    Active · clear
40. B & L Plumbing

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

    Ventura, CA · CSLB #588122 · as of June 28, 2026
    Active · clear
42. BL Plumbing & Rooter INC

    Winnetka, CA · CSLB #1068382 · as of June 28, 2026
    Active · clear
43. Blue Anchor Plumbing

    San Bernardino, CA · CSLB #1129795 · as of June 28, 2026
    Active · clear
44. Blue And Red Plumbing INC

    Santa Ana, CA · CSLB #977703 · as of June 28, 2026
    Active · clear
45. Blue Birdie Plumbing

    Reseda, CA · CSLB #1127367 · as of June 28, 2026
    Active · clear
46. Blue Cap Plumbing

    Montebello, CA · CSLB #1025938 · as of June 28, 2026
    Active · clear
47. Blue Coast Plumbing INC

    Los Angeles, CA · CSLB #1029155 · as of June 28, 2026
    Active · clear
48. Blue Collar Plumbing Operations LLC

    Gridley, CA · CSLB #1115481 · as of June 28, 2026
    Active · clear
49. Blue Crew Plumbing & Rooter INC

    Castaic, CA · CSLB #997996 · as of June 28, 2026
    Active · clear
50. Blue Cross Plumbing

    Gardena, CA · CSLB #1124425 · as of June 28, 2026
    Active · clear
51. Blue Diamond Plumbing INC

    San Jose, CA · CSLB #757316 · as of June 28, 2026
    Active · clear
52. Blue Diamond Plumbing & Rooter LLC

    Norwalk, CA · CSLB #1116370 · as of June 28, 2026
    Active · clear
53. Blue Dot Plumbing

    Arnold, CA · CSLB #987357 · as of June 28, 2026
    Active · clear
54. Blue Drop

    Granada Hills, CA · CSLB #984156 · as of June 28, 2026
    Active · clear
55. Bluefin Plumbing INC

    Banning, CA · CSLB #1136494 · as of June 28, 2026
    Active · clear
56. Blue Grid Plumbing

    Sunnyvale, CA · CSLB #1153156 · as of June 28, 2026
    Active · clear
57. Blue Horizon Plumbing

    Glendale, CA · CSLB #1151951 · as of June 28, 2026
    Active · clear
58. Blue Kap Plumbing

    San Diego, CA · CSLB #1132012 · as of June 28, 2026
    Active · clear
59. Blue Line INC

    Tujunga, CA · CSLB #642257 · as of June 28, 2026
    Active · clear
60. Blue Line Plumbing

    Fair Oaks, CA · CSLB #1147855 · as of June 28, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 28, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.