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 301–360 of 12,055 contractors

1. Action Plumbing & Environmental

   Oakhurst, CA · CSLB #826006 · as of October 7, 2026
   Active · clear
2. Action Plumbing INC

   Rancho Cucamonga, CA · CSLB #965976 · as of October 7, 2026
   Active · clear
3. Action Pumping INC

   Yucca Valley, CA · CSLB #436154 · as of October 7, 2026
   Active · clear
4. Action Rooter

   Diamond Springs, CA · CSLB #885338 · as of October 7, 2026
   Active · clear
5. Active Appliance Installations LLC

   Lake Havasu City, CA · CSLB #786454 · as of October 7, 2026
   Active · clear
6. Active Leak Detection & Plumbing LLC

   Oxnard, CA · CSLB #1130644 · as of October 7, 2026
   Active · clear
7. Active Plumbing & Rooter

   Fremont, CA · CSLB #959606 · as of October 7, 2026
   Active · clear
8. Active Rooter And Plumber INC

   Granada Hills, CA · CSLB #1062598 · as of October 7, 2026
   Active · clear
9. Gilbert Acuna Plumbing

   Crestline, CA · CSLB #896757 · as of October 7, 2026
   Active · clear
10. Ismael Acuna JR

    Winnetka, CA · CSLB #1040038 · as of October 7, 2026
    Active · clear
11. Acuna's Plumbing & Rooter Service

    Burbank, CA · CSLB #663477 · as of October 7, 2026
    Active · clear
12. Acura Plumbing INC

    Elk Grove, CA · CSLB #1144270 · as of October 7, 2026
    Active · clear
13. Acute Plumbing Concepts

    Rancho Santa Margarita, CA · CSLB #1007544 · as of October 7, 2026
    Active · clear
14. Keith Adair

    Lakewood, CA · CSLB #981093 · as of October 7, 2026
    Active · clear
15. Adam Dayton

    Fellows, CA · CSLB #983535 · as of October 7, 2026
    Active · clear
16. Adam Franklin

    Victorville, CA · CSLB #1088854 · as of October 7, 2026
    Active · clear
17. Adamik's American Plumbing Drain And Backflow

    Lake Elsinore, CA · CSLB #1017158 · as of October 7, 2026
    Active · clear
18. Adam J Kender

    Lancaster, CA · CSLB #1161094 · as of October 7, 2026
    Active · clear
19. Adam Plumbing

    Palo Alto, CA · CSLB #900642 · as of October 7, 2026
    Active · clear
20. Adams Commercial Plumbing LLC

    Yuba City, CA · CSLB #1019969 · as of October 7, 2026
    Active · clear
21. Adams Family Plumbing LLC

    Big Bear City, CA · CSLB #1115007 · as of October 7, 2026
    Active · clear
22. Mike Adams Plumbing

    Newhall, CA · CSLB #985521 · as of October 7, 2026
    Active · clear
23. Adam's Plumbing

    Anaheim, CA · CSLB #526760 · as of October 7, 2026
    Active · clear
24. Adams Plumbing

    Vacaville, CA · CSLB #1023427 · as of October 7, 2026
    Active · clear
25. Adams Plumbing & Drain

    San Diego, CA · CSLB #926899 · as of October 7, 2026
    Active · clear
26. Adaptive Plumbing INC

    Whittier, CA · CSLB #1088500 · as of October 7, 2026
    Active · clear
27. Adapt Plumbing

    Manteca, CA · CSLB #1073865 · as of October 7, 2026
    Active · clear
28. Lee Addison Plumbing

    San Jose, CA · CSLB #953420 · as of October 7, 2026
    Active · clear
29. Add Plumbing INC

    San Fernando, CA · CSLB #494840 · as of October 7, 2026
    Active · clear
30. Adept Plumbing Services LLC

    Desert Hot Springs, CA · CSLB #1115886 · as of October 7, 2026
    Active · clear
31. A D Family Plumbing Services

    Pittsburg, CA · CSLB #1098228 · as of October 7, 2026
    Active · clear
32. A D F Sewer Plumbing

    Sacramento, CA · CSLB #835483 · as of October 7, 2026
    Active · clear
33. Adlo Plumbing & Leak Detection

    San Diego, CA · CSLB #854141 · as of October 7, 2026
    Active · clear
34. Adl Plumbing

    South San Francisco, CA · CSLB #988585 · as of October 7, 2026
    Active · clear
35. Admiral Plumbing

    Redondo Beach, CA · CSLB #480549 · as of October 7, 2026
    Active · clear
36. Adner INC

    Tarzana, CA · CSLB #921322 · as of October 7, 2026
    Active · clear
37. A D N Plumbing

    Northridge, CA · CSLB #948317 · as of October 7, 2026
    Active · clear
38. Adolfo's Plumbing

    Arleta, CA · CSLB #748277 · as of October 7, 2026
    Active · clear
39. Adolfo's Plumbing & Rooter LLC

    Fairfield, CA · CSLB #1126374 · as of October 7, 2026
    Active · clear
40. A & D Plumbing

    Walnut Creek, CA · CSLB #959962 · as of October 7, 2026
    Active · clear
41. A D Plumbing

    West Sacramento, CA · CSLB #1082421 · as of October 7, 2026
    Active · clear
42. A & D Plumbing Services

    San Jose, CA · CSLB #1159446 · as of October 7, 2026
    Active · clear
43. A&d Professional Plumbing

    Reseda, CA · CSLB #1132333 · as of October 7, 2026
    Active · clear
44. A Drain Doctor

    Walnut, CA · CSLB #803591 · as of October 7, 2026
    Active · clear
45. A-drains Plumbing

    Bellflower, CA · CSLB #999792 · as of October 7, 2026
    Active · clear
46. A-drains Plumbing And Rooter INC

    Bellflower, CA · CSLB #1029501 · as of October 7, 2026
    Active · clear
47. Adrian Cortez Mendez

    Ventura, CA · CSLB #1157384 · as of October 7, 2026
    Active · clear
48. Adrian Plumbing INC

    Tustin, CA · CSLB #1070336 · as of October 7, 2026
    Active · clear
49. Adrians Plumbing

    San Pedro, CA · CSLB #728722 · as of October 7, 2026
    Active · clear
50. Adrian's Plumbing Services

    Stockton, CA · CSLB #1092158 · as of October 7, 2026
    Active · clear
51. Dusan Tepic DBA Adriatic Coast Plumbing

    San Pedro, CA · CSLB #817153 · as of October 7, 2026
    Active · clear
52. Adris Plumbing INC

    Van Nuys, CA · CSLB #1008345 · as of October 7, 2026
    Active · clear
53. Adroit Plumbing

    Roseville, CA · CSLB #831697 · as of October 7, 2026
    Active · clear
54. A&d Sewer Specialist INC

    Arleta, CA · CSLB #1093750 · as of October 7, 2026
    Active · clear
55. Adt Plumbing INC

    Salinas, CA · CSLB #1153403 · as of October 7, 2026
    Active · clear
56. Adu Plumbing LLC

    Winchester, CA · CSLB #1078074 · as of October 7, 2026
    Active · clear
57. Advanced Copper Systems Plumbing Mechanical

    Gustine, CA · CSLB #1030416 · as of October 7, 2026
    Active · clear
58. Advanced Flow Measurement

    Porterville, CA · CSLB #1023117 · as of October 7, 2026
    Active · clear
59. Advanced Industrial Plumbing INC

    Costa Mesa, CA · CSLB #1115528 · as of October 7, 2026
    Active · clear
60. Advanced Jet & Rooter LLC

    Santa Clarita, CA · CSLB #1156791 · 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.