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 5,941–6,000 of 12,055 contractors

1. Lapointe Plumbing

   Wildomar, CA · CSLB #1048999 · as of October 8, 2026
   Active · clear
2. Laponza Plumbing INC

   Napa, CA · CSLB #986530 · as of October 8, 2026
   Active · clear
3. La Quinta Cove Plumbing INC

   La Quinta, CA · CSLB #910274 · as of October 8, 2026
   Active · clear
4. La Quinta Plumbing Solutions INC

   La Quinta, CA · CSLB #1020486 · as of October 8, 2026
   Active · clear
5. Lara-soto Plumbing

   Ceres, CA · CSLB #1151492 · as of October 8, 2026
   Active · clear
6. Large Plumbing

   Aliso Viejo, CA · CSLB #1021523 · as of October 8, 2026
   Active · clear
7. Larkin Plumbing Expert INC

   Valencia, CA · CSLB #1060665 · as of October 8, 2026
   Active · clear
8. Larkins Plumbing

   North San Juan, CA · CSLB #983013 · as of October 8, 2026
   Active · clear
9. L A Rootermax Plumbing

   Van Nuys, CA · CSLB #657632 · as of October 8, 2026
   Active · clear
10. Larratt Bros Plumbing INC

    San Francisco, CA · CSLB #596026 · as of October 8, 2026
    Active · clear
11. Larry Hudson Plumbing INC

    San Diego, CA · CSLB #1012181 · as of October 8, 2026
    Active · clear
12. Larry Leak's Plumbing & Drain

    Alpine, CA · CSLB #1058021 · as of October 8, 2026
    Active · clear
13. Larry's Plumbing

    Los Angeles, CA · CSLB #1059016 · as of October 8, 2026
    Active · clear
14. Larry's Plumbing INC

    Santa Maria, CA · CSLB #1071543 · as of October 8, 2026
    Active · clear
15. David Frank Larsen

    Grass Valley, CA · CSLB #682541 · as of October 8, 2026
    Active · clear
16. Larsen Plumbing

    Valencia, CA · CSLB #529790 · as of October 8, 2026
    Active · clear
17. Dave Larson Plumbing CO

    San Diego, CA · CSLB #684304 · as of October 8, 2026
    Active · clear
18. Las Colinas

    Placentia, CA · CSLB #841904 · as of October 8, 2026
    Active · clear
19. Lasman Plumbing

    Rocklin, CA · CSLB #780622 · as of October 8, 2026
    Active · clear
20. Lasr Plumbing INC

    Twentynine Palms, CA · CSLB #1114164 · as of October 8, 2026
    Active · clear
21. Last Generation Plumbing

    San Bruno, CA · CSLB #1145352 · as of October 8, 2026
    Active · clear
22. Last Plumber INC

    Ventura, CA · CSLB #809519 · as of October 8, 2026
    Active · clear
23. La Sustainable Plumbing INC

    Los Angeles, CA · CSLB #687172 · as of October 8, 2026
    Active · clear
24. La Tamix Plumbing INC

    Los Angeles, CA · CSLB #1036742 · as of October 8, 2026
    Active · clear
25. Christopher Latham

    Lake Balboa, CA · CSLB #694347 · as of October 8, 2026
    Active · clear
26. Latino's Plumbing

    Santa Maria, CA · CSLB #1135883 · as of October 8, 2026
    Active · clear
27. La To Oc Plumbing Pro

    Los Angeles, CA · CSLB #1078709 · as of October 8, 2026
    Active · clear
28. Richard Laughlin Plumbing INC

    Studio City, CA · CSLB #985870 · as of October 8, 2026
    Active · clear
29. Laurel Plumbing Company LLC

    Orcutt, CA · CSLB #1113585 · as of October 8, 2026
    Active · clear
30. Walter Enrique Canel DBA La-valley Plumbing CO

    Panorama City, CA · CSLB #959137 · as of October 8, 2026
    Active · clear
31. Lav Plumbing INC

    Hollywood, CA · CSLB #1080545 · as of October 8, 2026
    Active · clear
32. La Water Solutions INC

    Sylmar, CA · CSLB #1142567 · as of October 8, 2026
    Active · clear
33. Lawrence Plumbing INC

    Escondido, CA · CSLB #994294 · as of October 8, 2026
    Active · clear
34. L A Wrench INC

    Northridge, CA · CSLB #1054980 · as of October 8, 2026
    Active · clear
35. Lawson Plumbing Repair

    San Diego, CA · CSLB #1117031 · as of October 8, 2026
    Active · clear
36. Lawsons Plumbing And Drain Cleaning

    Lodi, CA · CSLB #887355 · as of October 8, 2026
    Active · clear
37. Nadel Lazcano-salazar

    Cerritos, CA · CSLB #1031928 · as of October 8, 2026
    Active · clear
38. Lazos Plumbing

    Lemon Grove, CA · CSLB #975848 · as of October 8, 2026
    Active · open complaint
39. LB Gonzales INC

    Bakersfield, CA · CSLB #601655 · as of October 8, 2026
    Active · clear
40. LB Precision Plumbing

    Jurupa Valley, CA · CSLB #1099237 · as of October 8, 2026
    Active · clear
41. L B Rooter

    Santa Monica, CA · CSLB #868264 · as of October 8, 2026
    Active · clear
42. LC Doctor Plumber INC

    Torrance, CA · CSLB #1055590 · as of October 8, 2026
    Active · clear
43. L C H Plumbing INC

    Daly City, CA · CSLB #1062543 · as of October 8, 2026
    Active · clear
44. L & D Plumbing

    Ridgecrest, CA · CSLB #762581 · as of October 8, 2026
    Active · clear
45. LD Plumbing Limited Liability Company

    Simi Valley, CA · CSLB #1067585 · as of October 8, 2026
    Active · clear
46. L D Plumbing Services

    Castaic, CA · CSLB #637313 · as of October 8, 2026
    Active · clear
47. Lead And Oakum Plumbing And Drains

    San Diego, CA · CSLB #1076089 · as of October 8, 2026
    Active · clear
48. Leadingedge Plumbing & Rooter INC

    Sylmar, CA · CSLB #912858 · as of October 8, 2026
    Active · clear
49. Leafdale Plumbing A Partnership

    San Diego, CA · CSLB #766485 · as of October 8, 2026
    Active · clear
50. Leak Be Gone Plumbing

    Northridge, CA · CSLB #1136163 · as of October 8, 2026
    Active · clear
51. Leak Detective And Plumbing

    Sunland, CA · CSLB #851615 · as of October 8, 2026
    Active · clear
52. Leak Detectives

    Roseville, CA · CSLB #1150577 · as of October 8, 2026
    Active · clear
53. The Leak Detective

    Yucaipa, CA · CSLB #1047823 · as of October 8, 2026
    Active · clear
54. Leak Doctor

    Norco, CA · CSLB #712465 · as of October 8, 2026
    Active · clear
55. Leak Doctor Plumbing INC

    La Canada, CA · CSLB #1152414 · as of October 8, 2026
    Active · clear
56. Leak Free Plumbing And Rooter

    Van Nuys, CA · CSLB #957000 · as of October 8, 2026
    Active · clear
57. Leak Geeks Backflow & Plumbing LLC

    Gilroy, CA · CSLB #1153606 · as of October 8, 2026
    Active · clear
58. Leak Hounds

    Torrance, CA · CSLB #998219 · as of October 8, 2026
    Active · clear
59. Leak Locators INC

    Encino, CA · CSLB #606211 · as of October 8, 2026
    Active · clear
60. Leak Masters Plumbing - Rooter

    Yorba Linda, CA · CSLB #1032405 · 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.