Licensed Electrical (C-10) contractors in Diamond Bar, CA

The California Contractors State License Board (CSLB) lists 30 Electrical (C-10) contractors in Diamond Bar, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

30 contractors

1. Adams Electric

   Diamond Bar, CA · CSLB #448001 · as of October 6, 2026
   Active · clear
2. Airpropower

   Diamond Bar, CA · CSLB #1150732 · as of October 6, 2026
   Active · clear
3. Arow Electric

   Diamond Bar, CA · CSLB #1129710 · as of October 6, 2026
   Active · clear
4. Barron Electric

   Diamond Bar, CA · CSLB #1104314 · as of October 6, 2026
   Active · clear
5. Edward Caruso Electric

   Diamond Bar, CA · CSLB #529763 · as of October 6, 2026
   Active · clear
6. Ca Sunshine Electrical

   Diamond Bar, CA · CSLB #1133255 · as of October 6, 2026
   Active · clear
7. Ciel Air Conditioning And Electric

   Diamond Bar, CA · CSLB #1039457 · as of October 6, 2026
   Active · clear
8. Devin Electric

   Diamond Bar, CA · CSLB #878672 · as of October 6, 2026
   Active · clear
9. Dynamic Solar

   Diamond Bar, CA · CSLB #1006299 · as of October 6, 2026
   Active · clear
10. Electech

    Diamond Bar, CA · CSLB #982409 · as of October 6, 2026
    Active · clear
11. Enervision Electric Power LLC

    Diamond Bar, CA · CSLB #1144854 · as of October 6, 2026
    Active · clear
12. Gonzalez Electric

    Diamond Bar, CA · CSLB #962683 · as of October 6, 2026
    Active · clear
13. Ice Man Power LLC

    Diamond Bar, CA · CSLB #1158034 · as of October 6, 2026
    Active · clear
14. Integrated Wiring Concepts INC

    Diamond Bar, CA · CSLB #1076152 · as of October 6, 2026
    Active · clear
15. Jia Xiaolong

    Diamond Bar, CA · CSLB #1149248 · as of October 6, 2026
    Active · clear
16. Jing Y Electrical Services

    Diamond Bar, CA · CSLB #1160291 · as of October 6, 2026
    Active · clear
17. Yin Ping Liu

    Diamond Bar, CA · CSLB #960083 · as of October 6, 2026
    Active · clear
18. Lucas Electrical

    Diamond Bar, CA · CSLB #888594 · as of October 6, 2026
    Active · clear
19. Monarch Information Systems LLC

    Diamond Bar, CA · CSLB #1007648 · as of October 6, 2026
    Active · clear
20. Nielsen Electric

    Diamond Bar, CA · CSLB #950973 · as of October 6, 2026
    Active · clear
21. Post Electric Company INC

    Diamond Bar, CA · CSLB #768204 · as of October 6, 2026
    Active · clear
22. QD Power INC

    Diamond Bar, CA · CSLB #1157184 · as of October 6, 2026
    Active · clear
23. Ray Bi Electrical & Energy LLC

    Diamond Bar, CA · CSLB #1125153 · as of October 6, 2026
    Active · clear
24. Ray Electrical Engineering INC

    Diamond Bar, CA · CSLB #1039207 · as of October 6, 2026
    Active · clear
25. Tasco Pacific Fire Protection

    Diamond Bar, CA · CSLB #750602 · as of October 6, 2026
    Active · clear
26. Chyr-shin Paul Tsao

    Diamond Bar, CA · CSLB #670052 · as of October 6, 2026
    Active · clear
27. WH Electrical

    Diamond Bar, CA · CSLB #1147623 · as of October 6, 2026
    Active · clear
28. Xiaoqing

    Diamond Bar, CA · CSLB #1113933 · as of October 6, 2026
    Active · clear
29. Quark La Electrical

    Diamond Bar, CA · CSLB #1112779 · as of October 6, 2026
    Suspended · bond
30. R A Z Electric

    Diamond Bar, CA · CSLB #932271 · as of October 6, 2026
    Suspended · bond

See all Electrical (C-10) contractors in California →

Data sourced from the California Contractors State License Board (CSLB), current as of October 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.