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 11,101–11,160 of 12,111 contractors

1. Walsh Plumbing & Mechanical

   Santa Rosa, CA · CSLB #874922 · as of October 18, 2026
   Active · clear
2. Walter Adams Plumbing INC

   Penn Valley, CA · CSLB #1109229 · as of October 18, 2026
   Active · clear
3. Walter Rivera

   Van Nuys, CA · CSLB #1009292 · as of October 18, 2026
   Active · clear
4. Eric John Walters Contracting

   Oakdale, CA · CSLB #777964 · as of October 18, 2026
   Active · clear
5. Walter's Good Plumbing LLC

   Baldwin Park, CA · CSLB #1113075 · as of October 18, 2026
   Active · clear
6. Jordan A Walters

   Ventura, CA · CSLB #1080323 · as of October 18, 2026
   Active · clear
7. Walts And Sons Plumbing INC

   Orange, CA · CSLB #1095942 · as of October 18, 2026
   Active · clear
8. Walt's Plumbing

   Clovis, CA · CSLB #294555 · as of October 18, 2026
   Active · clear
9. Walt's Plumbing Services

   Westminster, CA · CSLB #987988 · as of October 18, 2026
   Active · clear
10. Walt Works Plumbing INC

    Hawthorne, CA · CSLB #1132447 · as of October 18, 2026
    Active · clear
11. Wang's Plumbing

    Visalia, CA · CSLB #1155811 · as of October 18, 2026
    Active · clear
12. Wann Plumbing

    Atascadero, CA · CSLB #987140 · as of October 18, 2026
    Active · clear
13. Ron Warner Plumbing

    Angels Camp, CA · CSLB #908201 · as of October 18, 2026
    Active · clear
14. Warranted Plumbing Services INC DBA Warranted Plumbing Services

    Concord, CA · CSLB #1052044 · as of October 18, 2026
    Active · clear
15. Warren's Plumbing

    Willows, CA · CSLB #1148071 · as of October 18, 2026
    Active · clear
16. Warrior Plumbing & Drain

    Hayward, CA · CSLB #1123228 · as of October 18, 2026
    Active · clear
17. Warriors Plumbing

    Oakland, CA · CSLB #1040009 · as of October 18, 2026
    Active · clear
18. Washburn Plumbing

    Oceanside, CA · CSLB #1143575 · as of October 18, 2026
    Active · clear
19. David Washington Iii

    Oakland, CA · CSLB #1111618 · as of October 18, 2026
    Active · clear
20. Gary D Wasserman

    San Diego, CA · CSLB #436960 · as of October 18, 2026
    Active · clear
21. Wasteline Plumbing INC

    Simi Valley, CA · CSLB #1143135 · as of October 18, 2026
    Active · clear
22. Water And Drain Repipe

    San Jose, CA · CSLB #1048778 · as of October 18, 2026
    Active · clear
23. The Water Boy INC

    Woodland Hills, CA · CSLB #1075861 · as of October 18, 2026
    Active · clear
24. Waterboys Plumbing INC

    Arroyo Grande, CA · CSLB #928834 · as of October 18, 2026
    Active · clear
25. Water Conditioning Of Merced County INC

    Los Banos, CA · CSLB #317151 · as of October 18, 2026
    Active · clear
26. The Water Connection INC

    Madera, CA · CSLB #629116 · as of October 18, 2026
    Active · clear
27. Waterco Plumbing

    Oakdale, CA · CSLB #606850 · as of October 18, 2026
    Active · clear
28. Water Cycle Plumbing

    Elk Grove, CA · CSLB #1063522 · as of October 18, 2026
    Active · clear
29. Water Fixers Plumbing & Filtration INC

    Santa Maria, CA · CSLB #719792 · as of October 18, 2026
    Active · clear
30. Water Heater Boys LLC

    San Mateo, CA · CSLB #1134458 · as of October 18, 2026
    Active · clear
31. The Water Heater & Plumbing Company DBA The Water Heater Company

    Camarillo, CA · CSLB #1045699 · as of October 18, 2026
    Active · clear
32. Water Heater Doctors & Plumbing INC

    Valencia, CA · CSLB #1141976 · as of October 18, 2026
    Active · clear
33. Water Heater Experts

    Rancho Cordova, CA · CSLB #724577 · as of October 18, 2026
    Active · clear
34. Water Heater Express

    Sacramento, CA · CSLB #427098 · as of October 18, 2026
    Active · clear
35. Water Heater Heroes LLC

    Vacaville, CA · CSLB #1117917 · as of October 18, 2026
    Active · clear
36. Water Heater Man INC

    Brea, CA · CSLB #372108 · as of October 18, 2026
    Active · clear
37. The Water Heater & Plumbing CO Specialist

    Lynwood, CA · CSLB #816868 · as of October 18, 2026
    Active · clear
38. Water Heater Pros

    Anaheim, CA · CSLB #805814 · as of October 18, 2026
    Active · clear
39. Water Heater Pros

    Los Angeles, CA · CSLB #1019205 · as of October 18, 2026
    Active · clear
40. The Water Heater Pro INC

    Sylmar, CA · CSLB #871462 · as of October 18, 2026
    Active · clear
41. Water Heaters Any Time

    Sacramento, CA · CSLB #1146084 · as of October 18, 2026
    Active · clear
42. Water Heater Service

    Foster City, CA · CSLB #1067841 · as of October 18, 2026
    Active · clear
43. Water Heaters Express

    Vallejo, CA · CSLB #912718 · as of October 18, 2026
    Active · clear
44. Water Heaters Masters INC

    Brentwood, CA · CSLB #888593 · as of October 18, 2026
    Active · clear
45. Water Heater Solutions LLC

    South San Francisco, CA · CSLB #1148713 · as of October 18, 2026
    Active · clear
46. Water Heaters Only INC

    Grass Valley, CA · CSLB #374573 · as of October 18, 2026
    Active · clear
47. Water Heater Specialists

    Foster City, CA · CSLB #741904 · as of October 18, 2026
    Active · clear
48. Water Heaters Plumbing And Drains

    Salinas, CA · CSLB #1150325 · as of October 18, 2026
    Active · clear
49. Water Heater Warehouse

    Fullerton, CA · CSLB #1041460 · as of October 18, 2026
    Active · clear
50. Water Heater Wiz

    Orangevale, CA · CSLB #1098156 · as of October 18, 2026
    Active · clear
51. Water Line Plumbing INC

    Irvine, CA · CSLB #1054852 · as of October 18, 2026
    Active · clear
52. Water Made Better Filtration Systems

    Sherman Oaks, CA · CSLB #1154726 · as of October 18, 2026
    Active · clear
53. Waterman Plumbing

    Rancho Santa Margarita, CA · CSLB #1161875 · as of October 18, 2026
    Active · clear
54. Watermark Plumbing & Drainage

    Tustin, CA · CSLB #981473 · as of October 18, 2026
    Active · clear
55. Water Purification Systems INC

    San Diego, CA · CSLB #1017517 · as of October 18, 2026
    Active · clear
56. Water Quality Plumbing INC

    San Jose, CA · CSLB #305018 · as of October 18, 2026
    Active · clear
57. Dirkand INC DBA Water Savers Company

    Irvine, CA · CSLB #561852 · as of October 18, 2026
    Active · clear
58. Water Services

    Walnut Creek, CA · CSLB #1125399 · as of October 18, 2026
    Active · clear
59. Paul Lee DBA Watersmith Plumbing

    San Jose, CA · CSLB #1058833 · as of October 18, 2026
    Active · clear
60. Water Solutions

    Ontario, CA · CSLB #954619 · 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.