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 4,561–4,620 of 12,055 contractors

1. Guillen's Specialty Plumbing

   Los Angeles, CA · CSLB #1123681 · as of October 8, 2026
   Active · clear
2. Nicholas Gullo

   Watsonville, CA · CSLB #981599 · as of October 8, 2026
   Active · clear
3. Arnon Gurman

   Beverly Hills, CA · CSLB #747745 · as of October 8, 2026
   Active · clear
4. Gurrola Plumbing

   San Jacinto, CA · CSLB #1064637 · as of October 8, 2026
   Active · clear
5. Gurrolas Plumbing INC

   Van Nuys, CA · CSLB #1150909 · as of October 8, 2026
   Active · clear
6. Gus Gonzalez Plumbing CO

   San Bernardino, CA · CSLB #1141496 · as of October 8, 2026
   Active · clear
7. Guspaz Plumbing

   Los Angeles, CA · CSLB #1161494 · as of October 8, 2026
   Active · clear
8. Gusr

   Riverside, CA · CSLB #1103948 · as of October 8, 2026
   Active · clear
9. Dave Guth Mechanical

   Placerville, CA · CSLB #894128 · as of October 8, 2026
   Active · clear
10. Everardo Gutierrez JR

    Granada Hills, CA · CSLB #1039460 · as of October 8, 2026
    Active · clear
11. Gutierrez Plumbing INC

    Cathedral City, CA · CSLB #1070418 · as of October 8, 2026
    Active · clear
12. Gutierrez Rey Plumbing Service And Repair

    Arcadia, CA · CSLB #1098877 · as of October 8, 2026
    Active · clear
13. Rey S Gutierrez

    Northridge, CA · CSLB #982122 · as of October 8, 2026
    Active · clear
14. Gutman's Plumbing

    Northridge, CA · CSLB #454031 · as of October 8, 2026
    Active · clear
15. Steve Guyer Plumbing Services

    Garden Grove, CA · CSLB #1031113 · as of October 8, 2026
    Active · clear
16. Guzman And Sons INC

    San Diego, CA · CSLB #1092555 · as of October 8, 2026
    Active · clear
17. Guzman Plumbing

    Hemet, CA · CSLB #1155028 · as of October 8, 2026
    Active · clear
18. Guzman Plumbing Services

    Baldwin Park, CA · CSLB #1152567 · as of October 8, 2026
    Active · clear
19. Jeff Gwon

    Los Angeles, CA · CSLB #1053131 · as of October 8, 2026
    Active · clear
20. G & W Plumbing

    Northridge, CA · CSLB #638913 · as of October 8, 2026
    Active · clear
21. G & W Plumbing & Repipe INC

    Buena Park, CA · CSLB #992133 · as of October 8, 2026
    Active · clear
22. GWS Plumbing & Sewer

    San Mateo, CA · CSLB #1131694 · as of October 8, 2026
    Active · clear
23. GY Plumbing

    Sunland, CA · CSLB #1159172 · as of October 8, 2026
    Active · clear
24. G & Z Plumbing Company

    Keyes, CA · CSLB #1051464 · as of October 8, 2026
    Active · clear
25. H2o Eagle Plumbing INC

    Los Angeles, CA · CSLB #1110867 · as of October 8, 2026
    Active · clear
26. H2o Flow

    Foothill Ranch, CA · CSLB #1076502 · as of October 8, 2026
    Active · clear
27. H2o Leak Detection Services LLC

    San Diego, CA · CSLB #1151704 · as of October 8, 2026
    Active · clear
28. H2o Plumbing

    Redlands, CA · CSLB #964614 · as of October 8, 2026
    Active · clear
29. H2o Plumbing

    Van Nuys, CA · CSLB #988355 · as of October 8, 2026
    Active · clear
30. H2o Plumbing And Drain Cleaning LLC

    Felton, CA · CSLB #1115985 · as of October 8, 2026
    Active · clear
31. H2o Plumbing BY Eddie Giffin

    Antioch, CA · CSLB #770148 · as of October 8, 2026
    Active · clear
32. Haarco Plumbing Solutions

    Long Beach, CA · CSLB #988242 · as of October 8, 2026
    Active · clear
33. Haas Plumbing

    Big Bear City, CA · CSLB #1130432 · as of October 8, 2026
    Active · clear
34. Habercom Industries LLC

    San Diego, CA · CSLB #1157048 · as of October 8, 2026
    Active · clear
35. Hack's Plumbing & Drain

    Vista, CA · CSLB #1103201 · as of October 8, 2026
    Active · clear
36. Haddad Plumbers INC

    Pasadena, CA · CSLB #982500 · as of October 8, 2026
    Active · clear
37. Hadden Plumbing LLC

    Oceanside, CA · CSLB #1150069 · as of October 8, 2026
    Active · clear
38. Haddly Plumbing

    Sonoma, CA · CSLB #869145 · as of October 8, 2026
    Active · clear
39. Hadley's Plumbing INC

    Roseville, CA · CSLB #828704 · as of October 8, 2026
    Active · clear
40. Dennis Haefele

    Barstow, CA · CSLB #511465 · as of October 8, 2026
    Active · clear
41. Paul Haefele

    Barstow, CA · CSLB #923013 · as of October 8, 2026
    Active · clear
42. Haffner Mechanical Systems

    San Diego, CA · CSLB #1023978 · as of October 8, 2026
    Active · clear
43. Steven Haflich Plumbing

    Ramona, CA · CSLB #1030573 · as of October 8, 2026
    Active · clear
44. Hagen Plumbing & Heating INC

    Los Angeles, CA · CSLB #858452 · as of October 8, 2026
    Active · clear
45. Hagen Plumbing INC

    Downey, CA · CSLB #500679 · as of October 8, 2026
    Active · clear
46. Gabby Hagopian

    Tujunga, CA · CSLB #556047 · as of October 8, 2026
    Active · clear
47. Bridgeview Enterprises INC DBA Hague Quality Water

    Ramona, CA · CSLB #415453 · as of October 8, 2026
    Active · clear
48. H A J Plumbing

    San Francisco, CA · CSLB #860276 · as of October 8, 2026
    Active · clear
49. Kevin Hale Plumbing

    Los Angeles, CA · CSLB #1135994 · as of October 8, 2026
    Active · clear
50. Hale & Sons Plumbing INC

    Lakeside, CA · CSLB #970519 · as of October 8, 2026
    Active · clear
51. Tim O Hale Plumbing Contractor

    Los Angeles, CA · CSLB #689391 · as of October 8, 2026
    Active · clear
52. Half Pipe Plumbing

    San Juan Capistrano, CA · CSLB #981562 · as of October 8, 2026
    Active · clear
53. Kevin Hall Plumbing

    San Rafael, CA · CSLB #712358 · as of October 8, 2026
    Active · clear
54. Hall's Plumbing

    Tehachapi, CA · CSLB #738157 · as of October 8, 2026
    Active · clear
55. Halls Plumbing

    Esparto, CA · CSLB #969164 · as of October 8, 2026
    Active · clear
56. Halo Plumbers Corp

    Corona, CA · CSLB #1130889 · as of October 8, 2026
    Active · clear
57. Halo Plumbing INC

    Santee, CA · CSLB #945930 · as of October 8, 2026
    Active · clear
58. Halstad Plumbing

    Willits, CA · CSLB #1006313 · as of October 8, 2026
    Active · clear
59. Sam Halstad Plumbing

    Ukiah, CA · CSLB #432125 · as of October 8, 2026
    Active · clear
60. Halverson Mechanical INC

    Ogden, CA · CSLB #832613 · 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.