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 8,521–8,580 of 12,091 contractors

1. Q B Plumbing

   Milpitas, CA · CSLB #782058 · as of October 14, 2026
   Active · clear
2. QL Drain Cleaning & Plumbing LLC

   Antioch, CA · CSLB #1134969 · as of October 14, 2026
   Active · clear
3. Q P Plumbing

   Temple City, CA · CSLB #1058120 · as of October 14, 2026
   Active · clear
4. QRF Plumbing

   San Diego, CA · CSLB #1040085 · as of October 14, 2026
   Active · clear
5. Q'S Quality Plumbing

   Merced, CA · CSLB #932623 · as of October 14, 2026
   Active · clear
6. Quadrewple A Plumbing

   Pollock Pines, CA · CSLB #1086558 · as of October 14, 2026
   Active · clear
7. Qualet Plumbing And Rooter

   Fremont, CA · CSLB #1055167 · as of October 14, 2026
   Active · clear
8. Qualified Plumbers Services INC

   Union City, CA · CSLB #884105 · as of October 14, 2026
   Active · clear
9. Quality Plumbing Solutions INC DBA Quality Commercial Plumbing

   Jurupa Valley, CA · CSLB #1036509 · as of October 14, 2026
   Active · clear
10. Quality Design Plumbing INC

    Fountain Valley, CA · CSLB #612636 · as of October 14, 2026
    Active · clear
11. Quality Mechanical Plumbing LLC

    Indio, CA · CSLB #923620 · as of October 14, 2026
    Active · clear
12. Quality Piping Systems

    Heber City, CA · CSLB #630375 · as of October 14, 2026
    Active · clear
13. Quality Plumbers INC

    Stockton, CA · CSLB #628610 · as of October 14, 2026
    Active · clear
14. Quality Plumbing

    Hayward, CA · CSLB #690624 · as of October 14, 2026
    Active · clear
15. Quality Plumbing

    Chula Vista, CA · CSLB #1021251 · as of October 14, 2026
    Active · clear
16. Quality Plumbing

    North Hills, CA · CSLB #713926 · as of October 14, 2026
    Active · clear
17. Quality Plumbing

    Ventura, CA · CSLB #855150 · as of October 14, 2026
    Active · clear
18. Quality Plumbing

    Glendale, CA · CSLB #218690 · as of October 14, 2026
    Active · clear
19. Quality Plumbing

    Lakewood, CA · CSLB #896337 · as of October 14, 2026
    Active · clear
20. Quality Plumbing And Drain Service

    Daly City, CA · CSLB #988936 · as of October 14, 2026
    Active · clear
21. Quality Plumbing Associates INC

    Salinas, CA · CSLB #927690 · as of October 14, 2026
    Active · clear
22. Quality Plumbing Connections INC

    Mission Viejo, CA · CSLB #674192 · as of October 14, 2026
    Active · clear
23. Quality Plumbing & Drain Services

    Camino, CA · CSLB #1139564 · as of October 14, 2026
    Active · clear
24. Quality Plumbing & Rooter INC

    Antioch, CA · CSLB #899055 · as of October 14, 2026
    Active · clear
25. Quality Plumbing Services

    San Diego, CA · CSLB #949827 · as of October 14, 2026
    Active · clear
26. Quality Plumbing Services

    Apple Valley, CA · CSLB #668868 · as of October 14, 2026
    Active · clear
27. Quality Plus Plumbing

    Santa Clara, CA · CSLB #873636 · as of October 14, 2026
    Active · clear
28. Quality Pro Plumbing

    Antioch, CA · CSLB #954778 · as of October 14, 2026
    Active · clear
29. Quality Rooter

    Bakersfield, CA · CSLB #930695 · as of October 14, 2026
    Active · clear
30. Quality Service Plumbing & Drains LLC

    Fontana, CA · CSLB #1149606 · as of October 14, 2026
    Active · clear
31. Quality West Plumbing

    Torrance, CA · CSLB #1079595 · as of October 14, 2026
    Active · clear
32. Qualtiy First Plumbing LLC

    Gilroy, CA · CSLB #818172 · as of October 14, 2026
    Active · clear
33. Queen Plumbing

    Lancaster, CA · CSLB #1037621 · as of October 14, 2026
    Active · clear
34. Queen Plumbing Corp

    Lancaster, CA · CSLB #1162419 · as of October 14, 2026
    Active · clear
35. Quest Plumbing

    Concord, CA · CSLB #1109296 · as of October 14, 2026
    Active · clear
36. Quest Plumbing Services

    San Diego, CA · CSLB #1118923 · as of October 14, 2026
    Active · clear
37. Quetzal Plumbing

    Madera, CA · CSLB #1037913 · as of October 14, 2026
    Active · clear
38. Quick 1 Repipe & Plumbing INC

    Los Banos, CA · CSLB #1068566 · as of October 14, 2026
    Active · clear
39. Quick 4 Plumbing & Rooter LLC

    Lakewood, CA · CSLB #982897 · as of October 14, 2026
    Active · clear
40. Quick And Clean Plumbing

    Los Angeles, CA · CSLB #1047267 · as of October 14, 2026
    Active · clear
41. Christopher Quick

    Escondido, CA · CSLB #1130771 · as of October 14, 2026
    Active · clear
42. Quick-flo Plumbing & Rooter INC

    Panorama City, CA · CSLB #1064754 · as of October 14, 2026
    Active · open complaint
43. Jimmy B Quick Plumbing

    Imperial Beach, CA · CSLB #590850 · as of October 14, 2026
    Active · clear
44. Quick Plumbing

    El Cajon, CA · CSLB #792763 · as of October 14, 2026
    Active · clear
45. Quick Plumbing

    Los Angeles, CA · CSLB #937703 · as of October 14, 2026
    Active · clear
46. Quick Plumbing CO Of Camarillo

    Camarillo, CA · CSLB #942328 · as of October 14, 2026
    Active · clear
47. Quick Plumbing Solutions INC

    Pacoima, CA · CSLB #1125392 · as of October 14, 2026
    Active · clear
48. Quick Rooter Plumbing INC

    Lakewood, CA · CSLB #1086923 · as of October 14, 2026
    Active · clear
49. Quick Silver Plumbing

    Westminster, CA · CSLB #698915 · as of October 14, 2026
    Active · clear
50. Brian Quinn Plumbing

    Monarch Beach, CA · CSLB #621330 · as of October 14, 2026
    Active · clear
51. John Quinn Plumbing

    Lakewood, CA · CSLB #1103237 · as of October 14, 2026
    Active · clear
52. Nicolas Quintana

    Long Beach, CA · CSLB #1035303 · as of October 14, 2026
    Active · clear
53. QV Plumbing Focus

    Huntington Beach, CA · CSLB #1149851 · as of October 14, 2026
    Active · clear
54. R2ros Plumbing

    Santa Paula, CA · CSLB #1033720 · as of October 14, 2026
    Active · clear
55. R3 Plumbing INC

    Whittier, CA · CSLB #1032186 · as of October 14, 2026
    Active · clear
56. Racer Rob's Plumbing Repair And Locating

    California City, CA · CSLB #938272 · as of October 14, 2026
    Active · clear
57. R A C Plumbing

    Encinitas, CA · CSLB #956699 · as of October 14, 2026
    Active · clear
58. Radiant Way Incorporated Ii

    San Rafael, CA · CSLB #1103617 · as of October 14, 2026
    Active · clear
59. Radiant Works INC

    Watsonville, CA · CSLB #697183 · as of October 14, 2026
    Active · clear
60. Radisic Plumbing LLC

    Harbor City, CA · CSLB #1112162 · 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.