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 781–840 of 12,055 contractors

1. American Beverage Equipment INC

   San Jose, CA · CSLB #686485 · as of October 7, 2026
   Active · clear
2. American City Rooter INC

   Montebello, CA · CSLB #1122714 · as of October 7, 2026
   Active · clear
3. American Classic Plumbing

   San Jacinto, CA · CSLB #859985 · as of October 7, 2026
   Active · clear
4. American Coast Plumbing

   Norco, CA · CSLB #1033993 · as of October 7, 2026
   Active · clear
5. American Craft Plumbing INC

   Jurupa Valley, CA · CSLB #1130493 · as of October 7, 2026
   Active · clear
6. American Discount Backflow

   Thousand Oaks, CA · CSLB #914711 · as of October 7, 2026
   Active · clear
7. American Drain CO

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

   Simi Valley, CA · CSLB #1154205 · as of October 7, 2026
   Active · clear
9. American Drain Works & Plumbing Company

   Culver City, CA · CSLB #966253 · as of October 7, 2026
   Active · clear
10. American Eagle Copper Repiping

    Corona, CA · CSLB #918998 · as of October 7, 2026
    Active · clear
11. American Empire Plumbing

    Temecula, CA · CSLB #1135928 · as of October 7, 2026
    Active · clear
12. American Home Plumbing Service

    San Jose, CA · CSLB #962257 · as of October 7, 2026
    Active · clear
13. American Jetting Services INC

    Ontario, CA · CSLB #845651 · as of October 7, 2026
    Active · clear
14. American Leak Detection

    Roseville, CA · CSLB #393393 · as of October 7, 2026
    Active · clear
15. Norfin INC DBA American Leak Detection

    San Rafael, CA · CSLB #662617 · as of October 7, 2026
    Active · clear
16. American Leak Detection

    Redding, CA · CSLB #992725 · as of October 7, 2026
    Active · clear
17. American Leak Detection

    Ventura, CA · CSLB #589345 · as of October 7, 2026
    Active · clear
18. American Leak Detection #0108

    Anaheim, CA · CSLB #662920 · as of October 7, 2026
    Active · clear
19. American Leak Detection INC

    Palm Desert, CA · CSLB #527380 · as of October 7, 2026
    Active · clear
20. American Leak Detection Of San Diego

    Anaheim, CA · CSLB #959059 · as of October 7, 2026
    Active · clear
21. American Leak Detection Of The East Bay

    Berkeley, CA · CSLB #663871 · as of October 7, 2026
    Active · clear
22. American Leak Locators & Plumbing INC

    Riverside, CA · CSLB #1066432 · as of October 7, 2026
    Active · clear
23. American Made Plumbing INC

    Rancho Cucamonga, CA · CSLB #1112549 · as of October 7, 2026
    Active · clear
24. American Mechanical Systems Ca

    Bakersfield, CA · CSLB #1072970 · as of October 7, 2026
    Active · clear
25. American Modern Plumbing INC

    Panorama City, CA · CSLB #1138004 · as of October 7, 2026
    Active · clear
26. American Performance Services

    San Diego, CA · CSLB #846389 · as of October 7, 2026
    Active · clear
27. American Pipe Bursting LLC

    Martinez, CA · CSLB #1039462 · as of October 7, 2026
    Active · clear
28. American Pipedream Services 24/7

    Santa Ana, CA · CSLB #1135166 · as of October 7, 2026
    Active · clear
29. American Pipesmith Plumbing

    Menifee, CA · CSLB #946243 · as of October 7, 2026
    Active · clear
30. American Plumbing

    Los Angeles, CA · CSLB #786947 · as of October 7, 2026
    Active · clear
31. American Plumbing

    Laguna Hills, CA · CSLB #766966 · as of October 7, 2026
    Active · clear
32. Mark Petersen Corporation DBA American Plumbing

    Antioch, CA · CSLB #418845 · as of October 7, 2026
    Active · clear
33. American Plumbing

    San Diego, CA · CSLB #708829 · as of October 7, 2026
    Active · clear
34. American Plumbing And Trenchless LLC

    Vallejo, CA · CSLB #1140051 · as of October 7, 2026
    Active · clear
35. American Plumbing & Drain

    San Mateo, CA · CSLB #851101 · as of October 7, 2026
    Active · clear
36. American Plumbing Group INC

    San Diego, CA · CSLB #994403 · as of October 7, 2026
    Active · clear
37. American Plumbing INC

    Laguna Beach, CA · CSLB #428239 · as of October 7, 2026
    Active · clear
38. American Plumbing Professionals

    Granada Hills, CA · CSLB #932021 · as of October 7, 2026
    Active · clear
39. Ajm Enterprise INC DBA American Plumbing & Rooter

    Lakewood, CA · CSLB #1113744 · as of October 7, 2026
    Active · clear
40. American Plumbing Service

    Menifee, CA · CSLB #933456 · as of October 7, 2026
    Active · open complaint
41. American Plumbing Services INC

    Lancaster, CA · CSLB #911379 · as of October 7, 2026
    Active · clear
42. American Plumbing Solutions INC

    Fowler, CA · CSLB #995621 · as of October 7, 2026
    Active · clear
43. American Plumbing Solutions & Waterworks

    Hollister, CA · CSLB #1061365 · as of October 7, 2026
    Active · clear
44. American Plumb Method Plumbing And Rooter Service

    West Hills, CA · CSLB #1040862 · as of October 7, 2026
    Active · clear
45. American Prestige Plumbing Corp

    Hollister, CA · CSLB #1132697 · as of October 7, 2026
    Active · clear
46. American Quality Plumbing

    Santa Rosa, CA · CSLB #1122378 · as of October 7, 2026
    Active · clear
47. American Ranger Plumbing LLC

    Anaheim, CA · CSLB #1150987 · as of October 7, 2026
    Active · clear
48. American Residential Plumbing

    Riverside, CA · CSLB #1084435 · as of October 7, 2026
    Active · clear
49. American River Plumbing

    Orangevale, CA · CSLB #698772 · as of October 7, 2026
    Active · clear
50. Americans Plumbing INC

    Tracy, CA · CSLB #1156582 · as of October 7, 2026
    Active · clear
51. American Star Plumbing

    Huntington Beach, CA · CSLB #971931 · as of October 7, 2026
    Active · clear
52. American Water Works

    Winters, CA · CSLB #929827 · as of October 7, 2026
    Active · clear
53. America's Best Plumbing

    Van Nuys, CA · CSLB #920137 · as of October 7, 2026
    Active · clear
54. America's Best Plumbing

    Bakersfield, CA · CSLB #841235 · as of October 7, 2026
    Active · clear
55. America's Drain & Jetting

    Livermore, CA · CSLB #1160929 · as of October 7, 2026
    Active · clear
56. America's Finest Plumbing Company

    Thermal, CA · CSLB #907816 · as of October 7, 2026
    Active · clear
57. America's Freedom Plumbing INC

    Van Nuys, CA · CSLB #1126149 · as of October 7, 2026
    Active · clear
58. Americas Plumber

    Escondido, CA · CSLB #1099734 · as of October 7, 2026
    Active · clear
59. America's Plumbing

    Aliso Viejo, CA · CSLB #784091 · as of October 7, 2026
    Active · clear
60. America's Plumbing CO INC

    Sacramento, CA · CSLB #759522 · 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.