Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 11,918 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 July 3, 2026.

Showing 7,321–7,380 of 11,918 contractors

1. Norcal Superior Systems INC

   Petaluma, CA · CSLB #1099654 · as of July 3, 2026
   Active · clear
2. Norcal Water Heaters

   San Jose, CA · CSLB #1104288 · as of July 3, 2026
   Active · clear
3. Norco Plumbing & Drain Cleaning

   Norco, CA · CSLB #934458 · as of July 3, 2026
   Active · clear
4. Nordic Services

   Ventura, CA · CSLB #497734 · as of July 3, 2026
   Active · clear
5. Noriega Plumbing Systems

   Stockton, CA · CSLB #1085891 · as of July 3, 2026
   Active · clear
6. Normco Plumbing

   Redondo Beach, CA · CSLB #1149139 · as of July 3, 2026
   Active · clear
7. Norris Neale Plumbing

   Lakewood, CA · CSLB #939577 · as of July 3, 2026
   Active · clear
8. Norse Flow Plumbing And Drain

   Ferndale, CA · CSLB #1155008 · as of July 3, 2026
   Active · clear
9. Norstar Plumbing & Rooter INC

   Los Angeles, CA · CSLB #886228 · as of July 3, 2026
   Active · clear
10. North Bay Platinum Plumbing INC

    Santa Rosa, CA · CSLB #941595 · as of July 3, 2026
    Active · clear
11. North Bay Plumbing CO

    San Rafael, CA · CSLB #667557 · as of July 3, 2026
    Active · clear
12. North Bay Plumbing & Rooter Service

    Santa Rosa, CA · CSLB #862422 · as of July 3, 2026
    Active · clear
13. North Bay Water Heater Solutions

    Napa, CA · CSLB #1076541 · as of July 3, 2026
    Active · clear
14. Northbound Plumbing

    Santa Rosa, CA · CSLB #1088900 · as of July 3, 2026
    Active · clear
15. North Brother Plumbing

    Monrovia, CA · CSLB #820529 · as of July 3, 2026
    Active · clear
16. Northcoast Plumbing LLC

    Eureka, CA · CSLB #1019695 · as of July 3, 2026
    Active · clear
17. North County Water Heater Services

    San Marcos, CA · CSLB #971018 · as of July 3, 2026
    Active · clear
18. Northern Marin Plumbing

    San Rafael, CA · CSLB #1022066 · as of July 3, 2026
    Active · clear
19. Northern Plumbing

    Rohnert Park, CA · CSLB #1111384 · as of July 3, 2026
    Active · clear
20. Northern Plumbing

    Ukiah, CA · CSLB #1129026 · as of July 3, 2026
    Active · clear
21. Northern Plumbing INC

    Millbrae, CA · CSLB #1076231 · as of July 3, 2026
    Active · clear
22. North Gate Plumbing INC

    Oakley, CA · CSLB #1082185 · as of July 3, 2026
    Active · clear
23. North Lake Plumbing

    Olympic Valley, CA · CSLB #440649 · as of July 3, 2026
    Active · clear
24. Northmont Plumbing

    La Mesa, CA · CSLB #1156997 · as of July 3, 2026
    Active · clear
25. North Pacific Plumbing INC

    Davis, CA · CSLB #877326 · as of July 3, 2026
    Active · clear
26. North Point Plumbing

    West Sacramento, CA · CSLB #1137260 · as of July 3, 2026
    Active · clear
27. North Shore Plumbing LLC

    Reno, CA · CSLB #1126590 · as of July 3, 2026
    Active · clear
28. Northside Plumbing

    Fairfax, CA · CSLB #1056012 · as of July 3, 2026
    Active · clear
29. Northside Plumbing INC

    Canyon Country, CA · CSLB #619132 · as of July 3, 2026
    Active · clear
30. North South Plumbing INC

    San Francisco, CA · CSLB #895742 · as of July 3, 2026
    Active · clear
31. North State Plumbing INC

    Chico, CA · CSLB #653488 · as of July 3, 2026
    Active · clear
32. North Valley Water Solutions

    Gridley, CA · CSLB #1152673 · as of July 3, 2026
    Active · clear
33. Northwestern Plumbing CO

    Los Angeles, CA · CSLB #886021 · as of July 3, 2026
    Active · clear
34. North West Plumbing

    Santa Rosa, CA · CSLB #994930 · as of July 3, 2026
    Active · clear
35. North West Plumbing INC

    Reno, CA · CSLB #1089089 · as of July 3, 2026
    Active · clear
36. Northwest Plumbing Solutions LLC

    Mc Kinleyville, CA · CSLB #1147550 · as of July 3, 2026
    Active · clear
37. Northwood Backflow Services

    Redding, CA · CSLB #749187 · as of July 3, 2026
    Active · clear
38. Novak Plumbing LLC

    Boulder Creek, CA · CSLB #1152073 · as of July 3, 2026
    Active · clear
39. Nova Plumbing INC

    Irvine, CA · CSLB #1091627 · as of July 3, 2026
    Active · clear
40. Nova Service INC

    Fresno, CA · CSLB #771417 · as of July 3, 2026
    Active · clear
41. Novoline Plumbing INC

    Panorama City, CA · CSLB #1144174 · as of July 3, 2026
    Active · clear
42. Novo Maintenance LLC

    Los Angeles, CA · CSLB #1143808 · as of July 3, 2026
    Active · clear
43. N P Rooter & Plumbing

    San Pablo, CA · CSLB #1020215 · as of July 3, 2026
    Active · clear
44. NRG Plumbing INC

    Monterey, CA · CSLB #982241 · as of July 3, 2026
    Active · clear
45. NS Plumbing

    San Jose, CA · CSLB #1147112 · as of July 3, 2026
    Active · clear
46. NTP INC

    El Cajon, CA · CSLB #1040373 · as of July 3, 2026
    Active · clear
47. NTS Plumbing LLC

    Lakeside, CA · CSLB #1155933 · as of July 3, 2026
    Active · clear
48. Nuflow Central Coast

    Orcutt, CA · CSLB #1120374 · as of July 3, 2026
    Active · clear
49. Nugent Plumbing Incorporated

    San Francisco, CA · CSLB #1025211 · as of July 3, 2026
    Active · clear
50. Numbers Plumbing

    Monterey Park, CA · CSLB #910541 · as of July 3, 2026
    Active · clear
51. Numero Uno Plumbing

    Oxnard, CA · CSLB #542755 · as of July 3, 2026
    Active · clear
52. Nuview Plumbing LLC

    Nuevo, CA · CSLB #1133933 · as of July 3, 2026
    Active · clear
53. Nuvision Plumbing Company

    Salinas, CA · CSLB #1070793 · as of July 3, 2026
    Active · clear
54. Nu-way Plumbing

    Long Beach, CA · CSLB #1009351 · as of July 3, 2026
    Active · clear
55. NXT Level Plumbing INC

    Los Angeles, CA · CSLB #1146853 · as of July 3, 2026
    Active · clear
56. Oak Creek Plumbing

    Hollister, CA · CSLB #886007 · as of July 3, 2026
    Active · clear
57. David Oakes Plumbing

    Venice, CA · CSLB #887034 · as of July 3, 2026
    Active · clear
58. Oak Hills Plumbing

    Shingle Springs, CA · CSLB #1120745 · as of July 3, 2026
    Active · clear
59. Oakhurst Plumbing

    Oakhurst, CA · CSLB #377045 · as of July 3, 2026
    Active · clear
60. Oakland Rooter & Plumbing

    Oakland, CA · CSLB #965873 · as of July 3, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 3, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.