Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,111 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 18, 2026.

Showing 10,801–10,860 of 12,111 contractors

1. United Plumbing INC

   South El Monte, CA · CSLB #886293 · as of October 18, 2026
   Active · clear
2. United Plumbing & Mechanical

   Fortuna, CA · CSLB #659759 · as of October 18, 2026
   Active · clear
3. United Plumbing Pros INC

   Glendale, CA · CSLB #1102765 · as of October 18, 2026
   Active · clear
4. United Plumbing & Rooter INC

   North Hills, CA · CSLB #1078548 · as of October 18, 2026
   Active · clear
5. United Plumbing Services

   Fairfield, CA · CSLB #1099297 · as of October 18, 2026
   Active · clear
6. United Plumbing Services INC

   Riverside, CA · CSLB #1039525 · as of October 18, 2026
   Active · clear
7. United Plumbing & Water Heaters INC

   Santa Clara, CA · CSLB #1116823 · as of October 18, 2026
   Active · clear
8. United Property Services Plumbing

   Norco, CA · CSLB #1005168 · as of October 18, 2026
   Active · clear
9. United Property Services Plumbing And Drain

   Norco, CA · CSLB #914444 · as of October 18, 2026
   Active · clear
10. United States Plumbing U S P

    Santa Rosa, CA · CSLB #1084090 · as of October 18, 2026
    Active · clear
11. United V I Plumbing

    Novato, CA · CSLB #900215 · as of October 18, 2026
    Active · clear
12. United Vi Plumbing INC

    Novato, CA · CSLB #1148899 · as of October 18, 2026
    Active · clear
13. United Zoom Plumbing & Rooter, INC

    Fair Oaks, CA · CSLB #1112180 · as of October 18, 2026
    Active · clear
14. Unity Plumbing

    Lakeside, CA · CSLB #868507 · as of October 18, 2026
    Active · clear
15. Universal Nozzle INC

    Long Beach, CA · CSLB #926115 · as of October 18, 2026
    Active · clear
16. Universal Plumbers

    Laguna Niguel, CA · CSLB #956188 · as of October 18, 2026
    Active · clear
17. Ronald Paratore Universal Plumbing

    Folsom, CA · CSLB #586977 · as of October 18, 2026
    Active · clear
18. Universal Plumbing Airconditioning & Heating

    Cathedral City, CA · CSLB #766434 · as of October 18, 2026
    Active · clear
19. Universal Plumbing CO

    Glendale, CA · CSLB #922705 · as of October 18, 2026
    Active · clear
20. Steve Lasley DBA Universal Plumbing CO U P C

    Simi Valley, CA · CSLB #677286 · as of October 18, 2026
    Active · clear
21. Universal Plumbing INC

    Oakland, CA · CSLB #1132341 · as of October 18, 2026
    Active · clear
22. Universal Plumbing & Rooter

    San Jose, CA · CSLB #1092971 · as of October 18, 2026
    Active · clear
23. Unlimited Master Plumbing INC

    San Jose, CA · CSLB #994963 · as of October 18, 2026
    Active · open complaint
24. Unlimited Plumbing CO

    San Juan Capistrano, CA · CSLB #1029454 · as of October 18, 2026
    Active · clear
25. Unlimited Plumbing Services

    Laguna Beach, CA · CSLB #1121594 · as of October 18, 2026
    Active · open complaint
26. Unlimited Plumbing Services

    Milpitas, CA · CSLB #1065850 · as of October 18, 2026
    Active · clear
27. Unlmtd Plumbing INC

    Los Angeles, CA · CSLB #1091020 · as of October 18, 2026
    Active · clear
28. Unmatched Plumbing & Rooter

    Compton, CA · CSLB #1135269 · as of October 18, 2026
    Active · clear
29. Unplugged Plumbing Drain And Rooter

    Los Angeles, CA · CSLB #615535 · as of October 18, 2026
    Active · clear
30. Unquestionable Plumbing INC

    Hawthorne, CA · CSLB #1131268 · as of October 18, 2026
    Active · clear
31. Unstopable Plumbing Services

    San Pedro, CA · CSLB #965365 · as of October 18, 2026
    Active · clear
32. Up 2 Code Plumbing INC

    Benicia, CA · CSLB #969499 · as of October 18, 2026
    Active · clear
33. Up-2-date Plumbing CO

    Vallejo, CA · CSLB #1049476 · as of October 18, 2026
    Active · clear
34. Up Front Plumbing

    Suisun, CA · CSLB #1158291 · as of October 18, 2026
    Active · clear
35. Upgrade Drain & Plumbing

    Downey, CA · CSLB #865670 · as of October 18, 2026
    Active · clear
36. Ups Plumbing

    Granada Hills, CA · CSLB #1129987 · as of October 18, 2026
    Active · clear
37. Upstream Plumbing Repair

    Guadalupe, CA · CSLB #1055770 · as of October 18, 2026
    Active · clear
38. Uptown Plumbing INC

    Yucaipa, CA · CSLB #1049645 · as of October 18, 2026
    Active · clear
39. Urban Hero Plumbing INC

    Palmdale, CA · CSLB #1149294 · as of October 18, 2026
    Active · clear
40. Urban Plumbing Service

    Reseda, CA · CSLB #935958 · as of October 18, 2026
    Active · clear
41. Urgent Care Plumbing

    Temecula, CA · CSLB #1142127 · as of October 18, 2026
    Active · clear
42. Urgent Plumbing

    Panorama City, CA · CSLB #1133808 · as of October 18, 2026
    Active · clear
43. Urgent Plumbing Care INC

    Jurupa Valley, CA · CSLB #1059878 · as of October 18, 2026
    Active · clear
44. Urgent Rooter And Plumbing INC

    San Francisco, CA · CSLB #863544 · as of October 18, 2026
    Active · clear
45. Uribe Backflow Service

    Sunnyvale, CA · CSLB #1105774 · as of October 18, 2026
    Active · clear
46. Manuel Uribe

    Los Angeles, CA · CSLB #793609 · as of October 18, 2026
    Active · clear
47. Urv Projects

    Pleasanton, CA · CSLB #1072472 · as of October 18, 2026
    Active · clear
48. USA Drain And Plumbing Works INC

    Palm Desert, CA · CSLB #1039357 · as of October 18, 2026
    Active · clear
49. USA Jetting Drain Pros INC

    San Diego, CA · CSLB #752059 · as of October 18, 2026
    Active · clear
50. USA Plumbers

    San Jose, CA · CSLB #1137758 · as of October 18, 2026
    Active · clear
51. U S A Plumbing

    Redding, CA · CSLB #869348 · as of October 18, 2026
    Active · clear
52. U S A Plumbing & Rooter

    Garden Grove, CA · CSLB #839914 · as of October 18, 2026
    Active · clear
53. U S A Plumbing Service Incorporated

    Rancho Cucamonga, CA · CSLB #961844 · as of October 18, 2026
    Active · clear
54. U S A Rooter & Plumbing

    Patterson, CA · CSLB #988533 · as of October 18, 2026
    Active · clear
55. U Save Plumbing

    Citrus Heights, CA · CSLB #1050153 · as of October 18, 2026
    Active · clear
56. USA Water Heaters & Plumbing

    Irvine, CA · CSLB #991157 · as of October 18, 2026
    Active · clear
57. U S Plumbing

    Altadena, CA · CSLB #837455 · as of October 18, 2026
    Active · clear
58. U S Plumbing

    Chino, CA · CSLB #1084359 · as of October 18, 2026
    Active · clear
59. U S Plumbing

    Sylmar, CA · CSLB #1030282 · as of October 18, 2026
    Active · clear
60. U S Plumbing

    Gardena, CA · CSLB #987352 · as of October 18, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 18, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.