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

The California Contractors State License Board (CSLB) lists 27 Electrical (C-10) contractors in Diamond Bar, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

27 contractors

1. Adams Electric

   Diamond Bar, CA · CSLB #448001 · as of June 27, 2026
   Active · clear
2. Airpropower

   Diamond Bar, CA · CSLB #1150732 · as of June 27, 2026
   Active · clear
3. Arow Electric

   Diamond Bar, CA · CSLB #1129710 · as of June 27, 2026
   Active · clear
4. Barron Electric

   Diamond Bar, CA · CSLB #1104314 · as of June 27, 2026
   Active · clear
5. Edward Caruso Electric

   Diamond Bar, CA · CSLB #529763 · as of June 27, 2026
   Active · clear
6. Ca Sunshine Electrical

   Diamond Bar, CA · CSLB #1133255 · as of June 27, 2026
   Active · clear
7. Ciel Air Conditioning And Electric

   Diamond Bar, CA · CSLB #1039457 · as of June 27, 2026
   Active · clear
8. Devin Electric

   Diamond Bar, CA · CSLB #878672 · as of June 27, 2026
   Active · clear
9. Dynamic Solar

   Diamond Bar, CA · CSLB #1006299 · as of June 27, 2026
   Active · clear
10. Electech

    Diamond Bar, CA · CSLB #982409 · as of June 27, 2026
    Active · clear
11. Enervision Electric Power LLC

    Diamond Bar, CA · CSLB #1144854 · as of June 27, 2026
    Active · clear
12. Gonzalez Electric

    Diamond Bar, CA · CSLB #962683 · as of June 27, 2026
    Active · clear
13. Integrated Wiring Concepts INC

    Diamond Bar, CA · CSLB #1076152 · as of June 27, 2026
    Active · clear
14. Jia Xiaolong

    Diamond Bar, CA · CSLB #1149248 · as of June 27, 2026
    Active · clear
15. Yin Ping Liu

    Diamond Bar, CA · CSLB #960083 · as of June 27, 2026
    Active · clear
16. Lucas Electrical

    Diamond Bar, CA · CSLB #888594 · as of June 27, 2026
    Active · clear
17. Monarch Information Systems LLC

    Diamond Bar, CA · CSLB #1007648 · as of June 27, 2026
    Active · clear
18. Nielsen Electric

    Diamond Bar, CA · CSLB #950973 · as of June 27, 2026
    Active · clear
19. Post Electric Company INC

    Diamond Bar, CA · CSLB #768204 · as of June 27, 2026
    Active · clear
20. QD Power INC

    Diamond Bar, CA · CSLB #1157184 · as of June 27, 2026
    Active · clear
21. Ray Bi Electrical & Energy LLC

    Diamond Bar, CA · CSLB #1125153 · as of June 27, 2026
    Active · clear
22. Ray Electrical Engineering INC

    Diamond Bar, CA · CSLB #1039207 · as of June 27, 2026
    Active · clear
23. Tasco Pacific Fire Protection

    Diamond Bar, CA · CSLB #750602 · as of June 27, 2026
    Active · clear
24. Chyr-shin Paul Tsao

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

    Diamond Bar, CA · CSLB #1147623 · as of June 27, 2026
    Active · clear
26. Xiaoqing

    Diamond Bar, CA · CSLB #1113933 · as of June 27, 2026
    Active · clear
27. R A Z Electric

    Diamond Bar, CA · CSLB #932271 · as of June 27, 2026
    Suspended · bond

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

Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.