Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,091 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 14, 2026.

Showing 8,701–8,760 of 12,091 contractors

1. R D L Plumbing INC

   Hanford, CA · CSLB #1016208 · as of October 14, 2026
   Active · clear
2. R D M Plumbing

   Indio, CA · CSLB #1053243 · as of October 14, 2026
   Active · clear
3. Rdodson Plumbing & Rooter INC

   Riverside, CA · CSLB #1126494 · as of October 14, 2026
   Active · clear
4. R D Plumbing

   San Diego, CA · CSLB #1033740 · as of October 14, 2026
   Active · clear
5. R & D Plumbing & Rooter INC

   Los Angeles, CA · CSLB #765862 · as of October 14, 2026
   Active · clear
6. R D Plumbing Services INC

   North Hills, CA · CSLB #1135188 · as of October 14, 2026
   Active · clear
7. R D S Mechanical

   Palmdale, CA · CSLB #556672 · as of October 14, 2026
   Active · clear
8. RDZ Plumbing And Drains

   San Diego, CA · CSLB #1041118 · as of October 14, 2026
   Active · clear
9. Frank Reade Plumbing

   San Marcos, CA · CSLB #415278 · as of October 14, 2026
   Active · clear
10. Readyfast Rooter And Plumbing INC

    Long Beach, CA · CSLB #1062004 · as of October 14, 2026
    Active · clear
11. Ready Set Plumb-ing And Rooter

    Highland, CA · CSLB #1104772 · as of October 14, 2026
    Active · clear
12. Real Deal Plumbing SD LLC

    La Mesa, CA · CSLB #1129530 · as of October 14, 2026
    Active · clear
13. Real House Plumbing

    East Palo Alto, CA · CSLB #1158607 · as of October 14, 2026
    Active · clear
14. Real Plumbers

    Los Angeles, CA · CSLB #791166 · as of October 14, 2026
    Active · clear
15. Real Plumbing And Rooter Services INC

    Reseda, CA · CSLB #852921 · as of October 14, 2026
    Active · clear
16. Real Service Plumbing INC

    Moreno Valley, CA · CSLB #1087430 · as of October 14, 2026
    Active · clear
17. Realz Plumbing

    Blue Jay, CA · CSLB #1145817 · as of October 14, 2026
    Active · clear
18. Ream

    Los Angeles, CA · CSLB #1097107 · as of October 14, 2026
    Active · clear
19. Rea Plumbing INC

    Santa Rosa, CA · CSLB #1142259 · as of October 14, 2026
    Active · clear
20. K H Reardon Plumbing

    Redondo Beach, CA · CSLB #712650 · as of October 14, 2026
    Active · clear
21. Reasonable Drain & Plumbing Repair INC

    San Diego, CA · CSLB #854460 · as of October 14, 2026
    Active · clear
22. Rebel Plumbing

    San Diego, CA · CSLB #1109534 · as of October 14, 2026
    Active · clear
23. H Recendiz Plumbing

    Los Angeles, CA · CSLB #1037465 · as of October 14, 2026
    Active · clear
24. Recinos Plumbing A Partnership

    San Francisco, CA · CSLB #1126412 · as of October 14, 2026
    Active · clear
25. Reckon And Reckon Plumbing INC

    Van Nuys, CA · CSLB #860633 · as of October 14, 2026
    Active · clear
26. Recon Plumbing

    Riverside, CA · CSLB #886481 · as of October 14, 2026
    Active · clear
27. Rector Plumbing INC

    Santa Rosa, CA · CSLB #972004 · as of October 14, 2026
    Active · clear
28. Rector Plumbing & Radiant Heating

    Chicago Park, CA · CSLB #955420 · as of October 14, 2026
    Active · clear
29. Red Ball Plumbing INC

    Buena Park, CA · CSLB #1103640 · as of October 14, 2026
    Active · clear
30. Red Brothers Plumbing INC

    Canoga Park, CA · CSLB #1052625 · as of October 14, 2026
    Active · clear
31. Reddi-rooter

    Concord, CA · CSLB #613193 · as of October 14, 2026
    Active · clear
32. Redeemed Plumbing

    Jamul, CA · CSLB #1128074 · as of October 14, 2026
    Active · clear
33. Redfern & Redfern Plumbing

    Meadow Vista, CA · CSLB #761549 · as of October 14, 2026
    Active · clear
34. Red Hat Plumbing

    Studio City, CA · CSLB #1027638 · as of October 14, 2026
    Active · clear
35. Red Hawk Plumbing

    Sylmar, CA · CSLB #1055538 · as of October 14, 2026
    Active · clear
36. Redhead Rooter INC

    Upland, CA · CSLB #1092145 · as of October 14, 2026
    Active · clear
37. Redhill Plumbing

    Rancho Cucamonga, CA · CSLB #1054041 · as of October 14, 2026
    Active · clear
38. Redi - Rooter Plumbing INC

    Visalia, CA · CSLB #865058 · as of October 14, 2026
    Active · clear
39. Redline Plumbing

    El Cajon, CA · CSLB #1019755 · as of October 14, 2026
    Active · clear
40. Red Line Rooter INC

    Norco, CA · CSLB #1012202 · as of October 14, 2026
    Active · clear
41. Red Oak Rooter

    Los Angeles, CA · CSLB #1048735 · as of October 14, 2026
    Active · clear
42. Redondo Plumbing

    Lemon Grove, CA · CSLB #1142511 · as of October 14, 2026
    Active · clear
43. Red Pipe

    Mission Viejo, CA · CSLB #1158665 · as of October 14, 2026
    Active · clear
44. Red Plumbing California

    Fresno, CA · CSLB #1143990 · as of October 14, 2026
    Active · clear
45. Red Rocket Plumbing

    Helendale, CA · CSLB #1103847 · as of October 14, 2026
    Active · clear
46. Red Rooster Rooter INC

    Nuevo, CA · CSLB #972788 · as of October 14, 2026
    Active · clear
47. Red's Plumbing

    Santa Rosa, CA · CSLB #1087712 · as of October 14, 2026
    Active · clear
48. Red's Plumbing INC

    Atascadero, CA · CSLB #597191 · as of October 14, 2026
    Active · clear
49. Red Star Plumbing

    Brea, CA · CSLB #1035730 · as of October 14, 2026
    Active · clear
50. Red Tulip Plumbing

    Fremont, CA · CSLB #1092186 · as of October 14, 2026
    Active · clear
51. Redwing Plumbing INC

    Canyon Country, CA · CSLB #1144214 · as of October 14, 2026
    Active · clear
52. Redwood Coast Plumbing

    Arcata, CA · CSLB #807915 · as of October 14, 2026
    Active · clear
53. Redwood Pacific Plumbing

    San Jose, CA · CSLB #1064202 · as of October 14, 2026
    Active · clear
54. Redwood Plumbing & Water Heaters

    Dublin, CA · CSLB #1127271 · as of October 14, 2026
    Active · clear
55. Redwood Sewer & Drain Service

    Santa Rosa, CA · CSLB #1043000 · as of October 14, 2026
    Active · clear
56. Red Wrench Plumbing INC

    San Francisco, CA · CSLB #966458 · as of October 14, 2026
    Active · clear
57. Reed Plumbing INC

    Livermore, CA · CSLB #601931 · as of October 14, 2026
    Active · clear
58. Reed's Plumbing

    Ontario, CA · CSLB #788531 · as of October 14, 2026
    Active · clear
59. Reed's Plumbing

    Capistrano Beach, CA · CSLB #687475 · as of October 14, 2026
    Active · clear
60. Reese Mechanical Contractors

    Rio Oso, CA · CSLB #584373 · as of October 14, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 14, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.