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 3,061–3,120 of 12,055 contractors

1. D N I Plumbing CO INC

   Los Angeles, CA · CSLB #798445 · as of October 8, 2026
   Active · clear
2. DN Plumbing INC

   Norwalk, CA · CSLB #1005204 · as of October 8, 2026
   Active · clear
3. Doc's Plumbing

   Newark, CA · CSLB #656541 · as of October 8, 2026
   Active · clear
4. Doctor Drains LLC

   Laguna Beach, CA · CSLB #1156636 · as of October 8, 2026
   Active · clear
5. Doctor Pipe

   Los Angeles, CA · CSLB #1138834 · as of October 8, 2026
   Active · clear
6. Doctor Piper INC

   Los Angeles, CA · CSLB #885044 · as of October 8, 2026
   Active · clear
7. Doctor Plumber

   Palmdale, CA · CSLB #984888 · as of October 8, 2026
   Active · clear
8. Doctor Plumber INC

   Van Nuys, CA · CSLB #1108131 · as of October 8, 2026
   Active · clear
9. Mike Dodd Plumbing

   Los Angeles, CA · CSLB #783440 · as of October 8, 2026
   Active · clear
10. Donnie Dodds Plumbing

    Visalia, CA · CSLB #976471 · as of October 8, 2026
    Active · clear
11. Triple B Plumbing LLC DBA Dodds Plumbing

    Tulare, CA · CSLB #1123514 · as of October 8, 2026
    Active · clear
12. Gerald Doehring Plumbing

    Temecula, CA · CSLB #631166 · as of October 8, 2026
    Active · clear
13. Doggonit Plumbing And Drain

    Sacramento, CA · CSLB #1120114 · as of October 8, 2026
    Active · clear
14. Doherty's Plumbing & Rooter

    Turlock, CA · CSLB #981933 · as of October 8, 2026
    Active · clear
15. Do It Right Do It Once Plumbing

    Fairfield, CA · CSLB #1128006 · as of October 8, 2026
    Active · clear
16. Dolcini Plumbing INC

    Petaluma, CA · CSLB #502201 · as of October 8, 2026
    Active · clear
17. Dolese Plumbing

    Vallejo, CA · CSLB #1107553 · as of October 8, 2026
    Active · clear
18. Dollar Drain And Rooter

    Livermore, CA · CSLB #974683 · as of October 8, 2026
    Active · clear
19. Dolphin Plumbing

    Seal Beach, CA · CSLB #445260 · as of October 8, 2026
    Active · clear
20. Mark Domanic

    Pacific Grove, CA · CSLB #676914 · as of October 8, 2026
    Active · clear
21. Domco Plumbing INC

    Folsom, CA · CSLB #828505 · as of October 8, 2026
    Active · clear
22. Domingo's Plumbing

    Downey, CA · CSLB #861241 · as of October 8, 2026
    Active · clear
23. Roberto Dominguez Marin

    Los Angeles, CA · CSLB #1080608 · as of October 8, 2026
    Active · clear
24. Raul Dominguez Ortega

    North Hills, CA · CSLB #1130708 · as of October 8, 2026
    Active · clear
25. Dominguez Plumbing Company

    San Rafael, CA · CSLB #895436 · as of October 8, 2026
    Active · clear
26. Dick Donahue Plumbing

    Long Beach, CA · CSLB #563026 · as of October 8, 2026
    Active · clear
27. Tom Donahue Plumbing

    Long Beach, CA · CSLB #704301 · as of October 8, 2026
    Active · clear
28. Donald Dillon Simar Plumbing CO

    Nipomo, CA · CSLB #1015961 · as of October 8, 2026
    Active · clear
29. Donald Plumbing

    Blythe, CA · CSLB #713823 · as of October 8, 2026
    Active · clear
30. Donald Mahone

    Los Angeles, CA · CSLB #652964 · as of October 8, 2026
    Active · clear
31. Donathan Plumbing Company

    Menifee, CA · CSLB #1031732 · as of October 8, 2026
    Active · clear
32. Done Right Drains And Plumbing

    Chula Vista, CA · CSLB #1080898 · as of October 8, 2026
    Active · clear
33. Done Right Plumbing INC

    Alamo, CA · CSLB #669017 · as of October 8, 2026
    Active · clear
34. Done-rite Plumbing And Rooter

    Boise, CA · CSLB #998069 · as of October 8, 2026
    Active · clear
35. Donlon Plumbing INC

    Oxnard, CA · CSLB #975911 · as of October 8, 2026
    Active · clear
36. Donnelly Plumbing

    Santa Rosa Valley, CA · CSLB #1077274 · as of October 8, 2026
    Active · clear
37. Donnie Smith Enterprises

    Anaheim, CA · CSLB #806029 · as of October 8, 2026
    Active · clear
38. Donnie's Plumbing

    Murrieta, CA · CSLB #1110385 · as of October 8, 2026
    Active · clear
39. Don's Plumbing

    Dana Point, CA · CSLB #735397 · as of October 8, 2026
    Active · clear
40. Don's Plumbing Service

    Fort Jones, CA · CSLB #953111 · as of October 8, 2026
    Active · clear
41. Don White Plumbing

    Santa Ana, CA · CSLB #720319 · as of October 8, 2026
    Active · clear
42. Door Crafters Of Irvine

    Irvine, CA · CSLB #692224 · as of October 8, 2026
    Active · clear
43. Do Rite Plumbing INC

    El Cajon, CA · CSLB #1111444 · as of October 8, 2026
    Active · clear
44. Dorn's Gas

    Clovis, CA · CSLB #584806 · as of October 8, 2026
    Active · clear
45. Dorsey Plumbing INC

    San Dimas, CA · CSLB #396571 · as of October 8, 2026
    Active · clear
46. Double A Plumbing

    Los Angeles, CA · CSLB #1108736 · as of October 8, 2026
    Active · clear
47. Double C Plumbing INC

    Lotus, CA · CSLB #1112713 · as of October 8, 2026
    Active · clear
48. Double Eagle Plumbing

    Granada Hills, CA · CSLB #468724 · as of October 8, 2026
    Active · clear
49. Double G Plumbing

    Richmond, CA · CSLB #1088294 · as of October 8, 2026
    Active · clear
50. Double O Plumbing And Rooter INC

    Burbank, CA · CSLB #1099089 · as of October 8, 2026
    Active · clear
51. Double O Plumbing & Drain CO

    Santa Ana, CA · CSLB #996679 · as of October 8, 2026
    Active · clear
52. Double R Plumbing

    Sacramento, CA · CSLB #1142136 · as of October 8, 2026
    Active · clear
53. Double R Plumbing

    Fresno, CA · CSLB #1063444 · as of October 8, 2026
    Active · clear
54. Double Shock Plumbing & Rooter INC

    Stockton, CA · CSLB #1155314 · as of October 8, 2026
    Active · clear
55. Doug Allen Plumbing INC

    Ramona, CA · CSLB #576181 · as of October 8, 2026
    Active · clear
56. Douglas Plumbing

    El Cajon, CA · CSLB #960061 · as of October 8, 2026
    Active · clear
57. Douglass Home Services INC

    Orangevale, CA · CSLB #1156850 · as of October 8, 2026
    Active · clear
58. Doug Parks And Son Plumbing

    Fresno, CA · CSLB #411825 · as of October 8, 2026
    Active · open complaint
59. Doug's Low Cost Plumbing

    Hemet, CA · CSLB #1048798 · as of October 8, 2026
    Active · clear
60. Doug's Plumbing

    Martinez, CA · CSLB #631076 · 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.