Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,024 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 July 1, 2026.

Showing 4,921–4,980 of 12,024 contractors

1. John Holguin

   San Diego, CA · CSLB #1073822 · as of July 1, 2026
   Active · clear
2. Holguins Plumbing & Rooter INC

   Chino, CA · CSLB #929015 · as of July 1, 2026
   Active · clear
3. Holland Plumbing INC

   Petaluma, CA · CSLB #1148010 · as of July 1, 2026
   Active · clear
4. Holland Plumbing Works

   San Francisco, CA · CSLB #817607 · as of July 1, 2026
   Active · clear
5. Sean Robert Holland

   Canoga Park, CA · CSLB #958171 · as of July 1, 2026
   Active · clear
6. Holman Plumbing

   Sacramento, CA · CSLB #1054787 · as of July 1, 2026
   Active · clear
7. Holman Plumbing Services

   Windsor, CA · CSLB #1025061 · as of July 1, 2026
   Active · clear
8. Paul L Holmer

   La Mirada, CA · CSLB #1020770 · as of July 1, 2026
   Active · clear
9. Holmes Plumbing

   La Mesa, CA · CSLB #1105984 · as of July 1, 2026
   Active · clear
10. Holmstedt Plumbing

    Redondo Beach, CA · CSLB #833983 · as of July 1, 2026
    Active · clear
11. Holt Plumbing Service

    Mammoth Lakes, CA · CSLB #482026 · as of July 1, 2026
    Active · clear
12. Holt Plumbing Services

    Sun Valley, CA · CSLB #965611 · as of July 1, 2026
    Active · clear
13. Holubec Plumbing

    Santa Rosa, CA · CSLB #1135990 · as of July 1, 2026
    Active · clear
14. Holub Plumbing LLC

    Whittier, CA · CSLB #1083858 · as of July 1, 2026
    Active · clear
15. Homar Plumbing INC

    Pacoima, CA · CSLB #1112404 · as of July 1, 2026
    Active · clear
16. Home 2 Home Plumbing

    Escondido, CA · CSLB #1092916 · as of July 1, 2026
    Active · clear
17. Home Care Plumbing INC

    Gold River, CA · CSLB #1042114 · as of July 1, 2026
    Active · clear
18. Home Crafts

    San Diego, CA · CSLB #366734 · as of July 1, 2026
    Active · clear
19. Dan Schilling DBA Home Plumbing

    Danville, CA · CSLB #460572 · as of July 1, 2026
    Active · clear
20. Ivanov Milen Genov DBA Home Plumbing CO

    Menifee, CA · CSLB #1032672 · as of July 1, 2026
    Active · clear
21. Smart DRY Professional Carpet Cleaning INC DBA Homepro Plumbing

    San Diego, CA · CSLB #1102931 · as of July 1, 2026
    Active · clear
22. Home Repipe Plumbing LLC

    Rancho Cucamonga, CA · CSLB #1119147 · as of July 1, 2026
    Active · clear
23. Homerun Plumbing

    Rio Linda, CA · CSLB #1093594 · as of July 1, 2026
    Active · clear
24. Homerz Plumbing

    N Las Vagas, CA · CSLB #898286 · as of July 1, 2026
    Active · clear
25. Homeshield Leak Detection

    Ventura, CA · CSLB #1103071 · as of July 1, 2026
    Active · clear
26. Homespun Plumbing

    Shafter, CA · CSLB #1142687 · as of July 1, 2026
    Active · clear
27. Hometown Leak Detection INC

    Santa Rosa, CA · CSLB #1076501 · as of July 1, 2026
    Active · clear
28. Homewerx Plumbing Division

    Poway, CA · CSLB #1138182 · as of July 1, 2026
    Active · clear
29. Honestee Plumbing

    Fullerton, CA · CSLB #1106197 · as of July 1, 2026
    Active · clear
30. Honest Flow Plumbing & Rooter

    Richmond, CA · CSLB #1138161 · as of July 1, 2026
    Active · clear
31. The Honest Plumber INC

    Bakersfield, CA · CSLB #1055503 · as of July 1, 2026
    Active · clear
32. Honest Plumbing & Rooter INC

    Sylmar, CA · CSLB #900829 · as of July 1, 2026
    Active · clear
33. Honest Sewer & Drain LLC

    Coloma, CA · CSLB #1080171 · as of July 1, 2026
    Active · clear
34. Honey Bee Husband For Hire

    Santa Maria, CA · CSLB #865628 · as of July 1, 2026
    Active · clear
35. Honeydew Team Plumbing

    Santa Ana, CA · CSLB #1149517 · as of July 1, 2026
    Active · clear
36. Honey Do Plumbing

    Long Beach, CA · CSLB #1128084 · as of July 1, 2026
    Active · clear
37. Byung Kook Hong

    La Crescenta, CA · CSLB #581167 · as of July 1, 2026
    Active · clear
38. Hong Phuc Dinh

    Stanton, CA · CSLB #1144835 · as of July 1, 2026
    Active · clear
39. Hong's Plumbing

    San Francisco, CA · CSLB #977215 · as of July 1, 2026
    Active · clear
40. Hong Tong Plumbing Engineering INC

    Pasadena, CA · CSLB #1149752 · as of July 1, 2026
    Active · clear
41. Henry Chi Tat Hon

    Rosemead, CA · CSLB #1030130 · as of July 1, 2026
    Active · clear
42. Honor Plumbing CO

    Wildomar, CA · CSLB #1056756 · as of July 1, 2026
    Active · clear
43. Hope Plumbing

    Anaheim, CA · CSLB #1007337 · as of July 1, 2026
    Active · clear
44. Hopper Plumbing

    Danville, CA · CSLB #1115929 · as of July 1, 2026
    Active · clear
45. Martin Jay Hopping

    San Clemente, CA · CSLB #1078609 · as of July 1, 2026
    Active · clear
46. Horizon Commercial Plumbing INC

    Sun Valley, CA · CSLB #1090536 · as of July 1, 2026
    Active · clear
47. Gehrke INC DBA Horizon Plumbing

    Concord, CA · CSLB #623019 · as of July 1, 2026
    Active · clear
48. Horizon Plumbing INC

    Richmond, CA · CSLB #1078377 · as of July 1, 2026
    Active · clear
49. Wayne Horne Plumbing

    Vallejo, CA · CSLB #487608 · as of July 1, 2026
    Active · clear
50. Horn's Backflow & Plumbing Service INC

    Valencia, CA · CSLB #792609 · as of July 1, 2026
    Active · clear
51. Horst Plumbing

    Fortuna, CA · CSLB #701752 · as of July 1, 2026
    Active · clear
52. Horvath Plumbing

    Eureka, CA · CSLB #1018232 · as of July 1, 2026
    Active · clear
53. Hot2o Company

    Chico, CA · CSLB #1140709 · as of July 1, 2026
    Active · clear
54. Hot & Cold Plumbing Technical Consultant

    San Dimas, CA · CSLB #1137006 · as of July 1, 2026
    Active · clear
55. Hotline Rooter And Plumbing

    Burbank, CA · CSLB #1062512 · as of July 1, 2026
    Active · clear
56. Hot Rod Plumbing INC

    Redondo Beach, CA · CSLB #1098100 · as of July 1, 2026
    Active · clear
57. Hotshot Plumbing INC

    Buena Park, CA · CSLB #1059983 · as of July 1, 2026
    Active · clear
58. Hot Shower Plumbing

    Marysville, CA · CSLB #918555 · as of July 1, 2026
    Active · clear
59. Hot Spot Leak Detections LLC

    Roseville, CA · CSLB #1139491 · as of July 1, 2026
    Active · clear
60. Hotter Water Heaters INC

    Fremont, CA · CSLB #940964 · as of July 1, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 1, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.