Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,020 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 June 27, 2026.

Showing 481–540 of 12,020 contractors

1. Alan's Plumbing Service INC

   Bellflower, CA · CSLB #1081241 · as of June 27, 2026
   Active · clear
2. Alaska Water Products INC

   San Clemente, CA · CSLB #962512 · as of June 27, 2026
   Active · clear
3. Alas Plumbing INC

   Granada Hills, CA · CSLB #1126895 · as of June 27, 2026
   Active · clear
4. Albano's Plumbing

   Cerritos, CA · CSLB #458625 · as of June 27, 2026
   Active · clear
5. Gary Alberici Plumbing

   Irvine, CA · CSLB #1011469 · as of June 27, 2026
   Active · clear
6. Albert Hall INC

   San Bruno, CA · CSLB #875126 · as of June 27, 2026
   Active · clear
7. Alberto Monroy's Plumbing

   Moreno Valley, CA · CSLB #1110289 · as of June 27, 2026
   Active · clear
8. Alberto's Plumbing

   Glendora, CA · CSLB #979569 · as of June 27, 2026
   Active · clear
9. Albertos Plumbing

   Pacoima, CA · CSLB #1046068 · as of June 27, 2026
   Active · clear
10. Albertson Plumbing

    Oakland, CA · CSLB #317171 · as of June 27, 2026
    Active · clear
11. Albert's Plumbing And Rooter

    Granada Hills, CA · CSLB #923678 · as of June 27, 2026
    Active · clear
12. Albert's Plumbing & Drain Service

    Santa Cruz, CA · CSLB #877333 · as of June 27, 2026
    Active · clear
13. Albert's Plumbing INC

    Sunland, CA · CSLB #649696 · as of June 27, 2026
    Active · clear
14. Albion Plumbing & Rooter INC

    San Leandro, CA · CSLB #899622 · as of June 27, 2026
    Active · clear
15. Mike Albo Plumbing

    Laurens, CA · CSLB #775295 · as of June 27, 2026
    Active · clear
16. Albor Plumbing

    Tracy, CA · CSLB #1093905 · as of June 27, 2026
    Active · clear
17. Alb Plumbing

    San Fernando, CA · CSLB #1067345 · as of June 27, 2026
    Active · clear
18. Albright Plumbing

    Santa Rosa, CA · CSLB #643161 · as of June 27, 2026
    Active · clear
19. Albright Plumbing

    Visalia, CA · CSLB #1031172 · as of June 27, 2026
    Active · clear
20. Albright Plumbing

    Clayton, CA · CSLB #858118 · as of June 27, 2026
    Active · clear
21. Armando Alcantara

    Huntington Beach, CA · CSLB #1078358 · as of June 27, 2026
    Active · clear
22. Alcaraz Plumbing Corp

    San Bernardino, CA · CSLB #1157278 · as of June 27, 2026
    Active · clear
23. The Alcazar Plumbing Company

    Richmond, CA · CSLB #957019 · as of June 27, 2026
    Active · clear
24. Aldahl Plumbing

    Long Beach, CA · CSLB #888099 · as of June 27, 2026
    Active · clear
25. Alderman & Son Plumbing

    Santa Rosa, CA · CSLB #749374 · as of June 27, 2026
    Active · clear
26. Alder Plumbing

    Reno, CA · CSLB #847572 · as of June 27, 2026
    Active · clear
27. Aldo Maldonado

    Baldwin Park, CA · CSLB #1152649 · as of June 27, 2026
    Active · clear
28. Aldsbvtr

    Ventura, CA · CSLB #1039306 · as of June 27, 2026
    Active · clear
29. Alegre Plumbing

    Fullerton, CA · CSLB #776206 · as of June 27, 2026
    Active · clear
30. Alejandro's Plumbing

    Fairfield, CA · CSLB #801439 · as of June 27, 2026
    Active · clear
31. Aleman Plumbing INC

    Salinas, CA · CSLB #1103034 · as of June 27, 2026
    Active · clear
32. Aleman Quality Plumbing, INC

    Sylmar, CA · CSLB #1117812 · as of June 27, 2026
    Active · clear
33. Aleman's General Plumbing Services

    Santa Ana, CA · CSLB #1075816 · as of June 27, 2026
    Active · clear
34. Aleman's Plumbing INC

    Pacoima, CA · CSLB #1057776 · as of June 27, 2026
    Active · clear
35. Alemans Plumbing Service INC

    Rialto, CA · CSLB #1127995 · as of June 27, 2026
    Active · clear
36. Alemar Plumbing

    Brawley, CA · CSLB #1099022 · as of June 27, 2026
    Active · clear
37. Alert Plumbing & Drains INC

    Chula Vista, CA · CSLB #863113 · as of June 27, 2026
    Active · clear
38. Alesia Plumbing And Utilities Services

    Pescadero, CA · CSLB #1155111 · as of June 27, 2026
    Active · clear
39. David W Alexander

    Van Nuys, CA · CSLB #449021 · as of June 27, 2026
    Active · clear
40. David Alexy Alexanderian

    Glendale, CA · CSLB #539684 · as of June 27, 2026
    Active · clear
41. Alexanders Plumbing Service

    Sunland, CA · CSLB #620854 · as of June 27, 2026
    Active · clear
42. William Stuart Alexander

    Redwood City, CA · CSLB #870423 · as of June 27, 2026
    Active · clear
43. Alex Apodaca Plumbing

    Morro Bay, CA · CSLB #1067174 · as of June 27, 2026
    Active · clear
44. Alex Raffi Plumbing & Rooter INC

    Mission Hills, CA · CSLB #1015467 · as of June 27, 2026
    Active · clear
45. Alex Solutions Plumbing Vip

    Hesperia, CA · CSLB #1130054 · as of June 27, 2026
    Active · clear
46. Alex's Plumbing And Rooter

    San Jose, CA · CSLB #1121140 · as of June 27, 2026
    Active · clear
47. Alfa Opportunity Holdings DBA Alfa Plumbing

    Albany, CA · CSLB #963788 · as of June 27, 2026
    Active · clear
48. Douglas G Alfaro

    Los Angeles, CA · CSLB #819818 · as of June 27, 2026
    Active · clear
49. Alford Plumbing

    Santa Barbara, CA · CSLB #928184 · as of June 27, 2026
    Active · clear
50. Alf Plumbing INC

    Fresno, CA · CSLB #1109556 · as of June 27, 2026
    Active · clear
51. The Cooks' Line INC DBA Alfresco Heating

    Novato, CA · CSLB #870395 · as of June 27, 2026
    Active · clear
52. Alhambra Backflow

    Rosemead, CA · CSLB #416044 · as of June 27, 2026
    Active · clear
53. Simon Alian

    Riverside, CA · CSLB #916455 · as of June 27, 2026
    Active · clear
54. Aljen Plumbing CO

    Carlsbad, CA · CSLB #612121 · as of June 27, 2026
    Active · clear
55. Tiago Alkana

    Chatsworth, CA · CSLB #1013503 · as of June 27, 2026
    Active · clear
56. All About Drains & Plumbing

    San Ysidro, CA · CSLB #1115520 · as of June 27, 2026
    Active · clear
57. All About Plumbing

    Oceanside, CA · CSLB #1010450 · as of June 27, 2026
    Active · clear
58. All About Plumbing INC

    Spring Valley, CA · CSLB #1009150 · as of June 27, 2026
    Active · clear
59. All Aces Backflow

    Rancho Cucamonga, CA · CSLB #1071034 · as of June 27, 2026
    Active · clear
60. All Aloha Plumbing San Diego LLC

    Albany, CA · CSLB #1107520 · as of June 27, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.