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 1,201–1,260 of 12,055 contractors

1. As Plus Plumbing Corp

   San Francisco, CA · CSLB #1134965 · as of October 8, 2026
   Active · clear
2. A S P Plumbing

   Livermore, CA · CSLB #971697 · as of October 8, 2026
   Active · clear
3. Associated Water Locating

   Gilroy, CA · CSLB #1033116 · as of October 8, 2026
   Active · clear
4. R S Astle Construction And Plumbing DBA R S Astle Plumbing

   Folsom, CA · CSLB #528401 · as of October 8, 2026
   Active · clear
5. Ast Plumbing And Rooter INC

   Granada Hills, CA · CSLB #1073439 · as of October 8, 2026
   Active · clear
6. Astro Backflow & Plumbing Services

   Sylmar, CA · CSLB #1094246 · as of October 8, 2026
   Active · clear
7. Astro Overhead Doors

   Encino, CA · CSLB #426914 · as of October 8, 2026
   Active · clear
8. Astro Plumbing

   Riverside, CA · CSLB #307090 · as of October 8, 2026
   Active · clear
9. Astro Plumbing And Rooter

   Albany, CA · CSLB #965833 · as of October 8, 2026
   Active · clear
10. Asturias A Plumbing

    Reseda, CA · CSLB #1020475 · as of October 8, 2026
    Active · clear
11. A T C Plumbing Source INC

    San Diego, CA · CSLB #955639 · as of October 8, 2026
    Active · clear
12. Atd Plumbing INC

    Bay Point, CA · CSLB #1129868 · as of October 8, 2026
    Active · clear
13. A-team Drains INC

    Desert Hot Springs, CA · CSLB #1122084 · as of October 8, 2026
    Active · clear
14. A Tech Plumbing

    Whittier, CA · CSLB #901133 · as of October 8, 2026
    Active · clear
15. A-tex Plumbing

    San Diego, CA · CSLB #1074724 · as of October 8, 2026
    Active · clear
16. Atg Plumbing INC

    Downey, CA · CSLB #1149907 · as of October 8, 2026
    Active · clear
17. Athena Drains & Pipelining

    San Diego, CA · CSLB #1152469 · as of October 8, 2026
    Active · clear
18. At House

    Irvine, CA · CSLB #994348 · as of October 8, 2026
    Active · clear
19. A T H Plumbing & Remodeling INC

    Glendale, CA · CSLB #889817 · as of October 8, 2026
    Active · clear
20. Atkin Plumbing

    Lompoc, CA · CSLB #813830 · as of October 8, 2026
    Active · clear
21. Atlantic O J Plumbing INC

    Gilroy, CA · CSLB #1117629 · as of October 8, 2026
    Active · clear
22. Atlas Backflow INC

    Signal Hill, CA · CSLB #1088210 · as of October 8, 2026
    Active · clear
23. Atlas Plumbing And Mechanical

    Chico, CA · CSLB #1085681 · as of October 8, 2026
    Active · clear
24. Atlas Plumbing Incorporated

    Citrus Heights, CA · CSLB #859486 · as of October 8, 2026
    Active · clear
25. Atlas Plumbing Services LLC

    Long Beach, CA · CSLB #1146971 · as of October 8, 2026
    Active · clear
26. Martinez Plumbing & Rooter DBA Atomic Rooter & Plumbing

    Wilmington, CA · CSLB #1081255 · as of October 8, 2026
    Active · clear
27. Atomic Ventures

    Perris, CA · CSLB #1121167 · as of October 8, 2026
    Active · clear
28. A T O M Plumbing

    Vallejo, CA · CSLB #1020857 · as of October 8, 2026
    Active · clear
29. A Top Notch Plumbing & Drain Cleaning

    Yuba City, CA · CSLB #1086686 · as of October 8, 2026
    Active · clear
30. A To Z Plumbing INC

    San Diego, CA · CSLB #752076 · as of October 8, 2026
    Active · clear
31. A To Z Plumbing & Rooter

    Santa Paula, CA · CSLB #1084060 · as of October 8, 2026
    Active · clear
32. At Plumbing INC

    Hawthorne, CA · CSLB #1058970 · as of October 8, 2026
    Active · clear
33. Atp Plumbing INC

    El Monte, CA · CSLB #1114863 · as of October 8, 2026
    Active · clear
34. Attaboy Plumbing

    Chico, CA · CSLB #1036199 · as of October 8, 2026
    Active · clear
35. Atta Plumbing INC

    Chula Vista, CA · CSLB #824790 · as of October 8, 2026
    Active · clear
36. Attentive Plumbing

    Westlake Village, CA · CSLB #1108963 · as of October 8, 2026
    Active · clear
37. At Your Service Plumbing

    Sonora, CA · CSLB #1100930 · as of October 8, 2026
    Active · clear
38. At Your Service Plumbing INC

    Inglewood, CA · CSLB #1106380 · as of October 8, 2026
    Active · clear
39. At Your Service Rooter And Drain Specialist

    Oakland, CA · CSLB #1096724 · as of October 8, 2026
    Active · clear
40. Auburn Plumbing Company

    Foresthill, CA · CSLB #489237 · as of October 8, 2026
    Active · clear
41. Audrey's Plumbing

    Commerce, CA · CSLB #1146264 · as of October 8, 2026
    Active · clear
42. Augie's Plumbing

    San Diego, CA · CSLB #853070 · as of October 8, 2026
    Active · clear
43. Justin Aulday

    Richmond, CA · CSLB #872086 · as of October 8, 2026
    Active · clear
44. Aum Plumbing Services

    Newark, CA · CSLB #1115037 · as of October 8, 2026
    Active · clear
45. Austin D Macke

    Costa Mesa, CA · CSLB #1064375 · as of October 8, 2026
    Active · clear
46. Austin Elsworth Bonjour

    Templeton, CA · CSLB #1143591 · as of October 8, 2026
    Active · clear
47. Austin Plumbing Services

    San Jose, CA · CSLB #1143561 · as of October 8, 2026
    Active · clear
48. Austin's Pipeworks

    Rescue, CA · CSLB #1028022 · as of October 8, 2026
    Active · clear
49. Austin's Power Plumbing

    Vista, CA · CSLB #1151183 · as of October 8, 2026
    Active · clear
50. Authentic Plumbing

    Oceanside, CA · CSLB #1071108 · as of October 8, 2026
    Active · clear
51. Authority Plumbing And Rooter INC

    Costa Mesa, CA · CSLB #1131527 · as of October 8, 2026
    Active · clear
52. Automatic Rooter INC

    San Jacinto, CA · CSLB #1059907 · as of October 8, 2026
    Active · clear
53. Autry Plumbing INC

    Sanger, CA · CSLB #1048893 · as of October 8, 2026
    Active · clear
54. Available Plumbing Services

    Templeton, CA · CSLB #913313 · as of October 8, 2026
    Active · clear
55. Avalos Plumbing

    Dos Palos, CA · CSLB #1082279 · as of October 8, 2026
    Active · clear
56. Avalos Plumbing & Drain Cleaning

    Oakland, CA · CSLB #1036981 · as of October 8, 2026
    Active · clear
57. Avanna Plumbing INC

    Long Beach, CA · CSLB #1057081 · as of October 8, 2026
    Active · clear
58. Ava Pool Plumbing LLC

    North Hills, CA · CSLB #1006808 · as of October 8, 2026
    Active · clear
59. Ava's Plumbing

    San Diego, CA · CSLB #1000507 · as of October 8, 2026
    Active · clear
60. Avd Plumbing

    Simi Valley, CA · CSLB #1124407 · 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.