Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,055 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 8, 2026.

Showing 2,521–2,580 of 12,055 contractors

1. Complete Plumbing & Backflow Service

   San Marcos, CA · CSLB #974905 · as of October 8, 2026
   Active · clear
2. Complete Plumbing Services

   Fairfield, CA · CSLB #1000474 · as of October 8, 2026
   Active · clear
3. Complete Plumbing Solutions LLC

   Encino, CA · CSLB #1119329 · as of October 8, 2026
   Active · clear
4. Complete Plumbing Works

   Vallejo, CA · CSLB #938398 · as of October 8, 2026
   Active · clear
5. Conchas Backflow Services

   Spring Valley, CA · CSLB #1034488 · as of October 8, 2026
   Active · clear
6. Concord Plumbing CO INC

   Concord, CA · CSLB #1089123 · as of October 8, 2026
   Active · clear
7. Conejo Bros Plumbing

   Thousand Oaks, CA · CSLB #1108756 · as of October 8, 2026
   Active · clear
8. Richard D Smith

   Simi Valley, CA · CSLB #964563 · as of October 8, 2026
   Active · clear
9. Conejo Plumbing Solutions

   Camarillo, CA · CSLB #1051602 · as of October 8, 2026
   Active · clear
10. Conejo Tankless Water Heaters & Plumbing INC

    Thousand Oaks, CA · CSLB #731755 · as of October 8, 2026
    Active · clear
11. Conejo Valley Plumbing

    Thousand Oaks, CA · CSLB #546685 · as of October 8, 2026
    Active · clear
12. Cone Plumbing INC

    Yreka, CA · CSLB #575301 · as of October 8, 2026
    Active · clear
13. Conforti Plumbing INC

    El Dorado, CA · CSLB #839956 · as of October 8, 2026
    Active · clear
14. Congiardo Plumbing

    Corona, CA · CSLB #1130857 · as of October 8, 2026
    Active · clear
15. Connected Plumbing

    Shingle Springs, CA · CSLB #1143310 · as of October 8, 2026
    Active · clear
16. Connection Plumbing CO

    Bakersfield, CA · CSLB #969562 · as of October 8, 2026
    Active · clear
17. Connect Plumbing & Drains INC

    Ramona, CA · CSLB #1121021 · as of October 8, 2026
    Active · clear
18. Martin Connell Plumbing

    San Francisco, CA · CSLB #665192 · as of October 8, 2026
    Active · clear
19. Connie's Plumbing & Rooter

    Culver City, CA · CSLB #995828 · as of October 8, 2026
    Active · clear
20. Lee Connolly Plumbing INC

    Garden Grove, CA · CSLB #238371 · as of October 8, 2026
    Active · clear
21. Connor's Plumbing

    Los Angeles, CA · CSLB #1012963 · as of October 8, 2026
    Active · clear
22. Conover Plumbing

    Culver City, CA · CSLB #845109 · as of October 8, 2026
    Active · clear
23. Conquer Plumbing

    Northridge, CA · CSLB #983728 · as of October 8, 2026
    Active · clear
24. Conrads Plumbing

    Chico, CA · CSLB #670692 · as of October 8, 2026
    Active · clear
25. Contractor Response Plumbing

    Gardena, CA · CSLB #1087530 · as of October 8, 2026
    Active · clear
26. Contractors Services Company

    Palm Springs, CA · CSLB #459892 · as of October 8, 2026
    Active · clear
27. Contract Plumbing CO

    Duarte, CA · CSLB #1063930 · as of October 8, 2026
    Active · clear
28. Gustavo Contreras

    Wilmington, CA · CSLB #1133028 · as of October 8, 2026
    Active · clear
29. Contreras Plumbing A Partnership

    Copperopolis, CA · CSLB #1065444 · as of October 8, 2026
    Active · clear
30. Contreras Plumbing LLC

    Copperopolis, CA · CSLB #1147223 · as of October 8, 2026
    Active · clear
31. Ramon B Contreras JR

    Azusa, CA · CSLB #1101979 · as of October 8, 2026
    Active · clear
32. Converse Plumbing INC

    Susanville, CA · CSLB #507103 · as of October 8, 2026
    Active · clear
33. J Conway Plumbing INC

    Fair Oaks, CA · CSLB #1103036 · as of October 8, 2026
    Active · clear
34. Cooks Plumbing

    Citrus Heights, CA · CSLB #1105002 · as of October 8, 2026
    Active · clear
35. Cool Plumbing INC

    Calabasas Hills, CA · CSLB #1138640 · as of October 8, 2026
    Active · clear
36. Coolwater Plumbing

    Westlake Village, CA · CSLB #811903 · as of October 8, 2026
    Active · clear
37. James Cooper Plumbing

    Fresno, CA · CSLB #939370 · as of October 8, 2026
    Active · clear
38. Cooper Plumbing

    Fort Bragg, CA · CSLB #937290 · as of October 8, 2026
    Active · clear
39. Cooper Plumbing INC

    Fort Bragg, CA · CSLB #1048776 · as of October 8, 2026
    Active · clear
40. Coopers Plumbing

    Fresno, CA · CSLB #1021886 · as of October 8, 2026
    Active · clear
41. Cooper's Plumbing And Drain Service

    Yuba City, CA · CSLB #920307 · as of October 8, 2026
    Active · clear
42. Co-opp Plumbing

    Bakersfield, CA · CSLB #813231 · as of October 8, 2026
    Active · clear
43. C O Plumbing Company INC

    Rosemead, CA · CSLB #754458 · as of October 8, 2026
    Active · clear
44. C O Plumbing Salinas INC

    Salinas, CA · CSLB #1103144 · as of October 8, 2026
    Active · clear
45. Copper And Brass Plumbing

    Warner Springs, CA · CSLB #1069886 · as of October 8, 2026
    Active · clear
46. Copper Canyon Plumbing And Leak Detection

    San Diego, CA · CSLB #792283 · as of October 8, 2026
    Active · clear
47. Copper Coil Plumbing LLC

    Joshua Tree, CA · CSLB #1156839 · as of October 8, 2026
    Active · clear
48. Copper Cut Plumbing LLC

    Rancho Cordova, CA · CSLB #1149622 · as of October 8, 2026
    Active · clear
49. Copperfield Plumbing

    Fairfield, CA · CSLB #1024776 · as of October 8, 2026
    Active · clear
50. Copperhead Plumbers

    Glendale, CA · CSLB #1162218 · as of October 8, 2026
    Active · clear
51. Copper Mountain Plumbing INC

    Vacaville, CA · CSLB #973690 · as of October 8, 2026
    Active · clear
52. Copper Plumbing And Drain LLC

    Hesperia, CA · CSLB #1119587 · as of October 8, 2026
    Active · clear
53. Copper Plumbing Solutions

    Van Nuys, CA · CSLB #936914 · as of October 8, 2026
    Active · clear
54. Copper Shine Plumbing

    Simi Valley, CA · CSLB #1122055 · as of October 8, 2026
    Active · clear
55. Copperstate Plumbing

    Downey, CA · CSLB #1100284 · as of October 8, 2026
    Active · clear
56. Copper Tree Plumbing INC

    Burbank, CA · CSLB #806183 · as of October 8, 2026
    Active · clear
57. Coral Reef Plumbing INC

    Jurupa Valley, CA · CSLB #908660 · as of October 8, 2026
    Active · clear
58. Cora Plumbing

    Panorama City, CA · CSLB #1054716 · as of October 8, 2026
    Active · clear
59. James Patrick Corcoran

    Los Osos, CA · CSLB #669990 · as of October 8, 2026
    Active · clear
60. Daniel Cordova Plumbing INC

    Whittier, CA · CSLB #964011 · as of October 8, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.