Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,091 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 14, 2026.

Showing 7,561–7,620 of 12,091 contractors

1. Ortiz Plumbing & Drain Solutions

   San Diego, CA · CSLB #1151426 · as of October 14, 2026
   Active · clear
2. Orton Plumbing

   San Bernardino, CA · CSLB #481694 · as of October 14, 2026
   Active · clear
3. O'ryan Plumbing INC

   La Mesa, CA · CSLB #894777 · as of October 14, 2026
   Active · clear
4. O S B Plumbing

   Chula Vista, CA · CSLB #961842 · as of October 14, 2026
   Active · clear
5. Osburn Plumbing INC

   San Bernardino, CA · CSLB #767484 · as of October 14, 2026
   Active · clear
6. Oscalibur Plumbing INC

   Sylmar, CA · CSLB #1058254 · as of October 14, 2026
   Active · clear
7. Oscar Sosa

   Simi Valley, CA · CSLB #1140851 · as of October 14, 2026
   Active · clear
8. Oscar's Plumbing & Rooter

   Covina, CA · CSLB #1126182 · as of October 14, 2026
   Active · clear
9. Oscro Plumbing

   Encino, CA · CSLB #1156311 · as of October 14, 2026
   Active · clear
10. O'shea's Plumbing

    Costa Mesa, CA · CSLB #399676 · as of October 14, 2026
    Active · clear
11. Osmart Plumbing Corp

    Covina, CA · CSLB #1157593 · as of October 14, 2026
    Active · clear
12. Osorio Plumbing CO

    Capistrano Beach, CA · CSLB #960461 · as of October 14, 2026
    Active · clear
13. O S Plumbing INC

    Los Angeles, CA · CSLB #966025 · as of October 14, 2026
    Active · clear
14. Ostaggi Plumbing INC

    San Rafael, CA · CSLB #908607 · as of October 14, 2026
    Active · clear
15. Osterman Plumbing

    Carlsbad, CA · CSLB #1008686 · as of October 14, 2026
    Active · clear
16. Osuna Plumbing

    Riverside, CA · CSLB #1038026 · as of October 14, 2026
    Active · clear
17. Ot Plumbing Services

    Santa Ana, CA · CSLB #1154039 · as of October 14, 2026
    Active · clear
18. Otteson's Carl Certified Backflow Testing & Repair

    Yucca Valley, CA · CSLB #917882 · as of October 14, 2026
    Active · clear
19. Otto B Plumbing

    Jamestown, CA · CSLB #1118765 · as of October 14, 2026
    Active · clear
20. Rick Otto's Plumbing

    Los Angeles, CA · CSLB #1023562 · as of October 14, 2026
    Active · clear
21. Ott Plumbing

    San Francisco, CA · CSLB #1087371 · as of October 14, 2026
    Active · clear
22. Overall Plumbing

    Arroyo Grande, CA · CSLB #1070287 · as of October 14, 2026
    Active · clear
23. Overall Plumbing CO INC

    Aguanga, CA · CSLB #1140561 · as of October 14, 2026
    Active · clear
24. Todd Overbey Plumbing

    Carmichael, CA · CSLB #865848 · as of October 14, 2026
    Active · clear
25. Overflow Drain And Plumbing INC

    Vista, CA · CSLB #1147001 · as of October 14, 2026
    Active · clear
26. Clifford E Overmier

    San Andreas, CA · CSLB #738491 · as of October 14, 2026
    Active · clear
27. Overstreet Custom Plumbing INC

    Lawndale, CA · CSLB #1105389 · as of October 14, 2026
    Active · clear
28. Over Under Plumbing INC

    Glendale, CA · CSLB #1140067 · as of October 14, 2026
    Active · clear
29. Overweg Plumbing

    Modesto, CA · CSLB #279868 · as of October 14, 2026
    Active · clear
30. Owen Plumbing

    San Jose, CA · CSLB #926753 · as of October 14, 2026
    Active · clear
31. Owen Plumbing INC

    Anaheim, CA · CSLB #856981 · as of October 14, 2026
    Active · clear
32. Owens Plumbing

    Somerset, CA · CSLB #944590 · as of October 14, 2026
    Active · clear
33. Owens Plumbing And Rooter INC

    Winnetka, CA · CSLB #1131241 · as of October 14, 2026
    Active · clear
34. Dustin Oxford Plumbing INC

    Bakersfield, CA · CSLB #1009543 · as of October 14, 2026
    Active · clear
35. Oxton Plumbing & Drains LLC

    Fullerton, CA · CSLB #1162230 · as of October 14, 2026
    Active · clear
36. Oxytech

    Riverbank, CA · CSLB #747874 · as of October 14, 2026
    Active · clear
37. Oyama Plumbing LLC

    Montebello, CA · CSLB #758457 · as of October 14, 2026
    Active · clear
38. O & Z Plumbing Work INC

    West Covina, CA · CSLB #911682 · as of October 14, 2026
    Active · clear
39. Ozzy's Plumbing & Drain Service INC

    San Diego, CA · CSLB #844033 · as of October 14, 2026
    Active · clear
40. Pablo's Plumbing

    Simi Valley, CA · CSLB #1074225 · as of October 14, 2026
    Active · clear
41. Pablo's Plumbing

    Riverside, CA · CSLB #1023144 · as of October 14, 2026
    Active · clear
42. Pablo's Plumbing INC

    Los Angeles, CA · CSLB #1114376 · as of October 14, 2026
    Active · clear
43. Rick Pacheco Plumbing

    Oceanside, CA · CSLB #1087786 · as of October 14, 2026
    Active · clear
44. Pacific Backflow Corporation

    Oceanside, CA · CSLB #1122068 · as of October 14, 2026
    Active · clear
45. Pacific Beach Plumbing INC

    San Diego, CA · CSLB #690822 · as of October 14, 2026
    Active · clear
46. Pacific Coast Backflow Services LLC

    Long Beach, CA · CSLB #1089309 · as of October 14, 2026
    Active · clear
47. Pacific Coast Copper Repipe INC

    Anaheim, CA · CSLB #738350 · as of October 14, 2026
    Active · clear
48. Pacific Coast Elite Plumbing INC

    Menifee, CA · CSLB #1156603 · as of October 14, 2026
    Active · clear
49. Pacific Coast Leak Detection INC

    Lodi, CA · CSLB #1073760 · as of October 14, 2026
    Active · clear
50. Bonnell's Contracting CO LLC DBA Pacific Coast Plumbing

    Palmdale, CA · CSLB #1095793 · as of October 14, 2026
    Active · clear
51. Pacific Coast Plumbing

    Castroville, CA · CSLB #648400 · as of October 14, 2026
    Active · clear
52. Pacific Coast Plumbing CO

    Lawndale, CA · CSLB #736036 · as of October 14, 2026
    Active · clear
53. Pacific Coast Plumbing & Drains

    Costa Mesa, CA · CSLB #965186 · as of October 14, 2026
    Active · clear
54. Pacific Coast Plumbing LLC

    Escondido, CA · CSLB #1112929 · as of October 14, 2026
    Active · clear
55. Pacific Drain INC

    El Sobrante, CA · CSLB #965694 · as of October 14, 2026
    Active · clear
56. Pacific Edge Plumbing

    Lakeside, CA · CSLB #1156463 · as of October 14, 2026
    Active · clear
57. Pacific Express Installation And Services INC

    Oceanside, CA · CSLB #878921 · as of October 14, 2026
    Active · clear
58. Pacific Pipeline Plumbing LLC

    Ventura, CA · CSLB #1152626 · as of October 14, 2026
    Active · clear
59. Pacific Pipe Plumbing Pros

    Santa Barbara, CA · CSLB #1139406 · as of October 14, 2026
    Active · clear
60. Pacific Plumbing

    Paso Robles, CA · CSLB #767222 · as of October 14, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 14, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.