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 7, 2026.

Showing 541–600 of 12,055 contractors

1. All American Plumbing Piping

   Van Nuys, CA · CSLB #1158361 · as of October 7, 2026
   Active · clear
2. All American Repipe & Plumbing INC

   Chino, CA · CSLB #866538 · as of October 7, 2026
   Active · clear
3. All And All Plumbing

   Sacramento, CA · CSLB #855964 · as of October 7, 2026
   Active · clear
4. Allan Plumbing INC

   Canoga Park, CA · CSLB #991244 · as of October 7, 2026
   Active · clear
5. Allan Woodcock

   Tarzana, CA · CSLB #449318 · as of October 7, 2026
   Active · clear
6. All Around Plumbing

   Big Bear City, CA · CSLB #367959 · as of October 7, 2026
   Active · clear
7. All Around Plumbing

   Huntington Beach, CA · CSLB #1123275 · as of October 7, 2026
   Active · clear
8. All Around The Clock Plumbing

   Mission Viejo, CA · CSLB #756437 · as of October 7, 2026
   Active · clear
9. All Bay Area Plumbing INC

   Pinole, CA · CSLB #867116 · as of October 7, 2026
   Active · clear
10. All Bay Plumbing Incorporated

    Newark, CA · CSLB #1033035 · as of October 7, 2026
    Active · clear
11. All Bay Rooting And Plumbing Services

    Lafayette, CA · CSLB #821259 · as of October 7, 2026
    Active · clear
12. All Care Plumbing San Diego

    Lemon Grove, CA · CSLB #1130991 · as of October 7, 2026
    Active · clear
13. All Central Plumbing

    Merced, CA · CSLB #974343 · as of October 7, 2026
    Active · clear
14. All Cities Water Treatment INC

    San Diego, CA · CSLB #631304 · as of October 7, 2026
    Active · clear
15. All City Finest Plumbing

    Vacaville, CA · CSLB #853120 · as of October 7, 2026
    Active · clear
16. All City Plumbing

    Citrus Heights, CA · CSLB #831401 · as of October 7, 2026
    Active · clear
17. All City Plumbing Drain And Sewer Services INC

    Beverly Hills, CA · CSLB #760199 · as of October 7, 2026
    Active · clear
18. All City Plumbing INC

    Palmdale, CA · CSLB #1007047 · as of October 7, 2026
    Active · clear
19. All Clear Plumbing And Drain

    Hayward, CA · CSLB #1048016 · as of October 7, 2026
    Active · clear
20. Allclear Plumbing Pros LLC

    Laguna Hills, CA · CSLB #1141172 · as of October 7, 2026
    Active · clear
21. All Coast Plumbing & Rooter

    Santa Clarita, CA · CSLB #1039276 · as of October 7, 2026
    Active · clear
22. Allcom Plumbing INC

    Yuba City, CA · CSLB #808099 · as of October 7, 2026
    Active · clear
23. All County Backflow

    Garden Grove, CA · CSLB #907476 · as of October 7, 2026
    Active · clear
24. All County Plumbing

    Carlsbad, CA · CSLB #916482 · as of October 7, 2026
    Active · clear
25. All County Plumbing INC

    Chula Vista, CA · CSLB #1043557 · as of October 7, 2026
    Active · clear
26. All County Plumbing Solutions

    Pacoima, CA · CSLB #1153259 · as of October 7, 2026
    Active · clear
27. All Day Drains

    Diamond Bar, CA · CSLB #1088634 · as of October 7, 2026
    Active · clear
28. All Day Every Day Plumbing

    Van Nuys, CA · CSLB #1089334 · as of October 7, 2026
    Active · clear
29. All Day Plumbing & Drains

    El Cajon, CA · CSLB #1107739 · as of October 7, 2026
    Active · clear
30. All District Plumbing

    Rialto, CA · CSLB #1095028 · as of October 7, 2026
    Active · clear
31. All Domestic And Commercial Plumbing

    Anaheim, CA · CSLB #1129653 · as of October 7, 2026
    Active · clear
32. All Done Plumbing INC

    Escondido, CA · CSLB #1115452 · as of October 7, 2026
    Active · clear
33. Alleluia Plumbing

    San Jose, CA · CSLB #907239 · as of October 7, 2026
    Active · clear
34. David Allen Plumbing

    Santa Cruz, CA · CSLB #877769 · as of October 7, 2026
    Active · clear
35. D L Allen Plumbing Specialists

    Escondido, CA · CSLB #626480 · as of October 7, 2026
    Active · clear
36. George Allen & Sons INC

    Scotts Valley, CA · CSLB #595041 · as of October 7, 2026
    Active · clear
37. Herbert W Allen CO INC

    Canoga Park, CA · CSLB #433013 · as of October 7, 2026
    Active · clear
38. John W Allen

    Monrovia, CA · CSLB #641272 · as of October 7, 2026
    Active · clear
39. Allen Joseph Schulten

    Tampa, CA · CSLB #1000156 · as of October 7, 2026
    Active · clear
40. T T Lee Corp DBA Allen Lee Plumbing

    Millbrae, CA · CSLB #751710 · as of October 7, 2026
    Active · clear
41. Allen Mechanical

    Santa Rosa, CA · CSLB #943213 · as of October 7, 2026
    Active · clear
42. Allen Mechanical Plumbing CO

    So San Francisco, CA · CSLB #611082 · as of October 7, 2026
    Active · clear
43. Allen Plumbing

    Rialto, CA · CSLB #1146529 · as of October 7, 2026
    Active · clear
44. Allen Plumbing And Rooter

    Costa Mesa, CA · CSLB #951423 · as of October 7, 2026
    Active · clear
45. Allen's Plumbing

    Carmel, CA · CSLB #992832 · as of October 7, 2026
    Active · clear
46. Allen's Plumbing INC

    San Clemente, CA · CSLB #954571 · as of October 7, 2026
    Active · clear
47. Allen's Quality Plumbing

    Guadalupe, CA · CSLB #891127 · as of October 7, 2026
    Active · clear
48. Allen Wrench Plumbing INC

    Vista, CA · CSLB #1048534 · as of October 7, 2026
    Active · clear
49. Allessi Plumbing Solutions

    Long Beach, CA · CSLB #1097459 · as of October 7, 2026
    Active · clear
50. All Express Plumbing INC

    Escondido, CA · CSLB #965556 · as of October 7, 2026
    Active · clear
51. All Fixture Plumbing

    Castro Valley, CA · CSLB #774779 · as of October 7, 2026
    Active · clear
52. All Flow Plumbing & Backflow

    Santee, CA · CSLB #832636 · as of October 7, 2026
    Active · clear
53. All Flow Plumbing INC

    Lindsay, CA · CSLB #1072777 · as of October 7, 2026
    Active · clear
54. All Good Plumbing And Drains

    Nevada City, CA · CSLB #1092434 · as of October 7, 2026
    Active · clear
55. All Good Plumbing And Repairs

    Lebec, CA · CSLB #839930 · as of October 7, 2026
    Active · clear
56. All Hours Flood And Plumbing Services

    San Diego, CA · CSLB #1016048 · as of October 7, 2026
    Active · clear
57. Alliance

    Fontana, CA · CSLB #1119845 · as of October 7, 2026
    Active · clear
58. Alliance Plumbing INC

    Ventura, CA · CSLB #876358 · as of October 7, 2026
    Active · clear
59. Alliance Plumbing Pro INC

    Sherman Oaks, CA · CSLB #1004124 · as of October 7, 2026
    Active · clear
60. Alliance United Rooter & Plumbing INC

    Acton, CA · CSLB #1037651 · as of October 7, 2026
    Active · clear

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.