Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,020 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 27, 2026.

Showing 781–840 of 12,020 contractors

1. American City Rooter INC

   Montebello, CA · CSLB #1122714 · as of June 27, 2026
   Active · clear
2. American Classic Plumbing

   San Jacinto, CA · CSLB #859985 · as of June 27, 2026
   Active · clear
3. American Coast Plumbing

   Norco, CA · CSLB #1033993 · as of June 27, 2026
   Active · clear
4. American Craft Plumbing INC

   Jurupa Valley, CA · CSLB #1130493 · as of June 27, 2026
   Active · clear
5. American Discount Backflow

   Thousand Oaks, CA · CSLB #914711 · as of June 27, 2026
   Active · clear
6. American Drain CO

   Simi Valley, CA · CSLB #1035221 · as of June 27, 2026
   Active · clear
7. American Drain Company INC

   Simi Valley, CA · CSLB #1154205 · as of June 27, 2026
   Active · clear
8. American Drain Works & Plumbing Company

   Culver City, CA · CSLB #966253 · as of June 27, 2026
   Active · clear
9. American Eagle Copper Repiping

   Corona, CA · CSLB #918998 · as of June 27, 2026
   Active · clear
10. American Empire Plumbing

    Temecula, CA · CSLB #1135928 · as of June 27, 2026
    Active · clear
11. American Home Plumbing Service

    San Jose, CA · CSLB #962257 · as of June 27, 2026
    Active · clear
12. American Leak Detection

    Ventura, CA · CSLB #589345 · as of June 27, 2026
    Active · clear
13. Norfin INC DBA American Leak Detection

    San Rafael, CA · CSLB #662617 · as of June 27, 2026
    Active · clear
14. American Leak Detection

    Roseville, CA · CSLB #393393 · as of June 27, 2026
    Active · clear
15. American Leak Detection

    Redding, CA · CSLB #992725 · as of June 27, 2026
    Active · clear
16. American Leak Detection #0108

    Anaheim, CA · CSLB #662920 · as of June 27, 2026
    Active · clear
17. American Leak Detection INC

    Palm Desert, CA · CSLB #527380 · as of June 27, 2026
    Active · clear
18. American Leak Detection Of San Diego

    Anaheim, CA · CSLB #959059 · as of June 27, 2026
    Active · clear
19. American Leak Detection Of The East Bay

    Berkeley, CA · CSLB #663871 · as of June 27, 2026
    Active · clear
20. American Leak Locators & Plumbing INC

    Riverside, CA · CSLB #1066432 · as of June 27, 2026
    Active · clear
21. American Made Plumbing INC

    Rancho Cucamonga, CA · CSLB #1112549 · as of June 27, 2026
    Active · clear
22. American Mechanical Systems Ca

    Bakersfield, CA · CSLB #1072970 · as of June 27, 2026
    Active · clear
23. American Performance Services

    San Diego, CA · CSLB #846389 · as of June 27, 2026
    Active · clear
24. American Pipe Bursting LLC

    Martinez, CA · CSLB #1039462 · as of June 27, 2026
    Active · clear
25. American Pipedream Services 24/7

    Santa Ana, CA · CSLB #1135166 · as of June 27, 2026
    Active · clear
26. American Pipesmith Plumbing

    Menifee, CA · CSLB #946243 · as of June 27, 2026
    Active · clear
27. American Plumbing

    San Diego, CA · CSLB #708829 · as of June 27, 2026
    Active · clear
28. American Plumbing

    Los Angeles, CA · CSLB #786947 · as of June 27, 2026
    Active · clear
29. American Plumbing

    Camino, CA · CSLB #1044412 · as of June 27, 2026
    Active · clear
30. American Plumbing

    Laguna Hills, CA · CSLB #766966 · as of June 27, 2026
    Active · clear
31. American Plumbing

    Lockeford, CA · CSLB #949784 · as of June 27, 2026
    Active · clear
32. Mark Petersen Corporation DBA American Plumbing

    Antioch, CA · CSLB #418845 · as of June 27, 2026
    Active · clear
33. American Plumbing And Rooter

    Encino, CA · CSLB #1009413 · as of June 27, 2026
    Active · clear
34. American Plumbing And Trenchless LLC

    Vallejo, CA · CSLB #1140051 · as of June 27, 2026
    Active · clear
35. American Plumbing & Drain

    San Mateo, CA · CSLB #851101 · as of June 27, 2026
    Active · clear
36. American Plumbing Group INC

    San Diego, CA · CSLB #994403 · as of June 27, 2026
    Active · clear
37. American Plumbing INC

    Laguna Beach, CA · CSLB #428239 · as of June 27, 2026
    Active · clear
38. American Plumbing Professionals

    Granada Hills, CA · CSLB #932021 · as of June 27, 2026
    Active · clear
39. Ajm Enterprise INC DBA American Plumbing & Rooter

    Lakewood, CA · CSLB #1113744 · as of June 27, 2026
    Active · clear
40. American Plumbing Service

    Menifee, CA · CSLB #933456 · as of June 27, 2026
    Active · clear
41. American Plumbing Services INC

    Lancaster, CA · CSLB #911379 · as of June 27, 2026
    Active · clear
42. American Plumbing Solutions INC

    Fowler, CA · CSLB #995621 · as of June 27, 2026
    Active · clear
43. American Plumbing Solutions & Waterworks

    Hollister, CA · CSLB #1061365 · as of June 27, 2026
    Active · clear
44. American Plumb Method Plumbing And Rooter Service

    West Hills, CA · CSLB #1040862 · as of June 27, 2026
    Active · clear
45. American Prestige Plumbing Corp

    Hollister, CA · CSLB #1132697 · as of June 27, 2026
    Active · clear
46. American Quality Plumbing

    Santa Rosa, CA · CSLB #1122378 · as of June 27, 2026
    Active · clear
47. American Ranger Plumbing LLC

    Anaheim, CA · CSLB #1150987 · as of June 27, 2026
    Active · clear
48. American Residential Plumbing

    Riverside, CA · CSLB #1084435 · as of June 27, 2026
    Active · clear
49. American River Plumbing

    Orangevale, CA · CSLB #698772 · as of June 27, 2026
    Active · clear
50. Americans Plumbing INC

    Tracy, CA · CSLB #1156582 · as of June 27, 2026
    Active · clear
51. American Star Plumbing

    Huntington Beach, CA · CSLB #971931 · as of June 27, 2026
    Active · clear
52. American Water Works

    Winters, CA · CSLB #929827 · as of June 27, 2026
    Active · clear
53. America's Best Plumbing

    Bakersfield, CA · CSLB #841235 · as of June 27, 2026
    Active · clear
54. America's Best Plumbing

    Van Nuys, CA · CSLB #920137 · as of June 27, 2026
    Active · clear
55. America's Freedom Plumbing INC

    Van Nuys, CA · CSLB #1126149 · as of June 27, 2026
    Active · clear
56. Americas Plumber

    Escondido, CA · CSLB #1099734 · as of June 27, 2026
    Active · clear
57. America's Plumbing

    Aliso Viejo, CA · CSLB #784091 · as of June 27, 2026
    Active · clear
58. America's Plumbing CO INC

    Sacramento, CA · CSLB #759522 · as of June 27, 2026
    Active · clear
59. Americas Trusted Plumbing LLC

    Chula Vista, CA · CSLB #1151463 · as of June 27, 2026
    Active · clear
60. Americhlor Services

    Moreno Valley, CA · CSLB #981054 · as of June 27, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.