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 9,241–9,300 of 12,091 contractors

1. Ruben's Plumbing

   Crestline, CA · CSLB #1149362 · as of October 14, 2026
   Active · clear
2. Ruben's Plumbing

   Walnut Creek, CA · CSLB #972746 · as of October 14, 2026
   Active · clear
3. Rubicon Plumbing

   Zephyr Cove, CA · CSLB #925264 · as of October 14, 2026
   Active · clear
4. Rubio's Plumbing

   Whittier, CA · CSLB #885765 · as of October 14, 2026
   Active · clear
5. Ruckers Plumbing And Filtration LLC

   Quincy, CA · CSLB #1119542 · as of October 14, 2026
   Active · clear
6. Rudy's Mechanical Plumbing

   Los Angeles, CA · CSLB #663000 · as of October 14, 2026
   Active · clear
7. Rudy's Plumbing

   Monrovia, CA · CSLB #917340 · as of October 14, 2026
   Active · clear
8. Rudy's Plumbing Services INC

   Tustin, CA · CSLB #1055974 · as of October 14, 2026
   Active · clear
9. Ruffoni Appliance Repair

   Arroyo Grande, CA · CSLB #720300 · as of October 14, 2026
   Active · clear
10. Ruff Plumbing

    Lockeford, CA · CSLB #1127779 · as of October 14, 2026
    Active · clear
11. Rufino Perez Reyes

    Vista, CA · CSLB #1157973 · as of October 14, 2026
    Active · clear
12. Rugged Plumbing

    Covina, CA · CSLB #1161620 · as of October 14, 2026
    Active · clear
13. Ruiz Diversified Plumbing

    Moreno Valley, CA · CSLB #1012839 · as of October 14, 2026
    Active · clear
14. P A Ruiz Plumbing

    San Luis Obispo, CA · CSLB #757105 · as of October 14, 2026
    Active · clear
15. Ruiz Plumbing And Rooter CO

    Bakersfield, CA · CSLB #1003349 · as of October 14, 2026
    Active · clear
16. Ruiz Plumbing INC

    Santa Barbara, CA · CSLB #1151804 · as of October 14, 2026
    Active · clear
17. Ruiz Plumbing Solutions

    Whittier, CA · CSLB #1152525 · as of October 14, 2026
    Active · clear
18. Ruiz Pro Plumbing

    San Jose, CA · CSLB #1159277 · as of October 14, 2026
    Active · clear
19. Rural Plumbing Services

    Chester, CA · CSLB #1109578 · as of October 14, 2026
    Active · clear
20. Rush Plumbing

    Woodland Hills, CA · CSLB #618739 · as of October 14, 2026
    Active · clear
21. Rush Plumbing And Rooter

    Adelanto, CA · CSLB #928955 · as of October 14, 2026
    Active · clear
22. Rusk Plumbing

    Valley Springs, CA · CSLB #1089187 · as of October 14, 2026
    Active · clear
23. Russell Plumbing And Rooter Service

    Roseville, CA · CSLB #706338 · as of October 14, 2026
    Active · clear
24. R C Russell Plumbing

    Pacifica, CA · CSLB #766752 · as of October 14, 2026
    Active · clear
25. Russell Roberts Backflow

    Redding, CA · CSLB #1152028 · as of October 14, 2026
    Active · clear
26. Nick Russo Plumbing

    Seaside, CA · CSLB #973086 · as of October 14, 2026
    Active · clear
27. Rustic Star Plumbing LLC

    King City, CA · CSLB #1130419 · as of October 14, 2026
    Active · clear
28. Rusty Duck Plumbing INC

    Sacramento, CA · CSLB #1154412 · as of October 14, 2026
    Active · clear
29. Rusty Pipes Plumbing

    Huntington Beach, CA · CSLB #711167 · as of October 14, 2026
    Active · clear
30. Rusty Pipe's Plumbing & Drain Service

    Ventura, CA · CSLB #814603 · as of October 14, 2026
    Active · clear
31. Rusty Plumbing And Rooter

    Granada Hills, CA · CSLB #1155798 · as of October 14, 2026
    Active · clear
32. Rutan Plumbing INC

    Citrus Heights, CA · CSLB #760387 · as of October 14, 2026
    Active · clear
33. Ruvalcaba Plumbing

    Riverside, CA · CSLB #1074945 · as of October 14, 2026
    Active · clear
34. Ruvico INC

    Ontario, CA · CSLB #1021363 · as of October 14, 2026
    Active · clear
35. RV Plumbing

    Sun Valley, CA · CSLB #1048137 · as of October 14, 2026
    Active · clear
36. R V P Plumbing

    San Marcos, CA · CSLB #828659 · as of October 14, 2026
    Active · clear
37. R - Way Plumbing

    Canyon Country, CA · CSLB #472892 · as of October 14, 2026
    Active · clear
38. RX Piping

    Sun Valley, CA · CSLB #841435 · as of October 14, 2026
    Active · clear
39. R & X Plumbing

    Van Nuys, CA · CSLB #1140603 · as of October 14, 2026
    Active · clear
40. RX Plumbing LLC

    Murrieta, CA · CSLB #1129751 · as of October 14, 2026
    Active · clear
41. RX Plumbing & Rooter

    Harbor City, CA · CSLB #1131688 · as of October 14, 2026
    Active · clear
42. Ryan Aiken Plumbing

    Stanton, CA · CSLB #1153989 · as of October 14, 2026
    Active · clear
43. Ryan C Plumbing

    Glendora, CA · CSLB #1125687 · as of October 14, 2026
    Active · clear
44. Patrick B Ryan

    Lomita, CA · CSLB #916326 · as of October 14, 2026
    Active · clear
45. Ryan Plumbing

    Beaumont, CA · CSLB #1092363 · as of October 14, 2026
    Active · clear
46. Ryan Plumbing Drains And Leaks

    Escondido, CA · CSLB #1103727 · as of October 14, 2026
    Active · clear
47. Ryan's Plumbing

    Stockton, CA · CSLB #1125169 · as of October 14, 2026
    Active · clear
48. Ryan's Plumbing

    Apple Valley, CA · CSLB #797129 · as of October 14, 2026
    Active · clear
49. Ryan's Plumbing

    San Andreas, CA · CSLB #1142617 · as of October 14, 2026
    Active · clear
50. Ryan's Plumbing

    Visalia, CA · CSLB #1003740 · as of October 14, 2026
    Active · clear
51. Ryan's Plumbing

    Santee, CA · CSLB #1144395 · as of October 14, 2026
    Active · clear
52. T Ryan Plumbing

    Covina, CA · CSLB #466317 · as of October 14, 2026
    Active · clear
53. Ryguy Plumbing Repairs

    Watsonville, CA · CSLB #1146551 · as of October 14, 2026
    Active · clear
54. RYL Plumbing Corp

    Turlock, CA · CSLB #1137884 · as of October 14, 2026
    Active · clear
55. R Y U Plumbing

    Rocklin, CA · CSLB #921676 · as of October 14, 2026
    Active · clear
56. R Z Plumbing

    Glendale, CA · CSLB #788172 · as of October 14, 2026
    Active · clear
57. R Z Plumbing INC

    North Hollywood, CA · CSLB #559919 · as of October 14, 2026
    Active · clear
58. Sabag Plumbing INC

    West Hills, CA · CSLB #633887 · as of October 14, 2026
    Active · clear
59. Sabertooth Plumbing And Rooter CO

    San Bernardino, CA · CSLB #1147423 · as of October 14, 2026
    Active · clear
60. Sable Plumbing

    Canyon Lake, CA · CSLB #513017 · 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.