Licensed General Engineering (A) contractors in Windsor, CA

The California Contractors State License Board (CSLB) lists 24 General Engineering (A) contractors in Windsor, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

24 contractors

1. American Radiant & Water Heating INC

   Windsor, CA · CSLB #1102680 · as of October 6, 2026
   Active · clear
2. American Tank CO INC

   Windsor, CA · CSLB #794146 · as of October 6, 2026
   Active · clear
3. Amg Engineering

   Windsor, CA · CSLB #887119 · as of October 6, 2026
   Active · clear
4. Daher Development INC

   Windsor, CA · CSLB #1019826 · as of October 6, 2026
   Active · clear
5. Tyler Elliff

   Windsor, CA · CSLB #1001865 · as of October 6, 2026
   Active · clear
6. Flum Construction

   Windsor, CA · CSLB #485669 · as of October 6, 2026
   Active · clear
7. Galvan Underground Construction INC

   Windsor, CA · CSLB #988314 · as of October 6, 2026
   Active · clear
8. Hammer Engineering LLC

   Windsor, CA · CSLB #1110818 · as of October 6, 2026
   Active · clear
9. Irwin Excavating Services INC

   Windsor, CA · CSLB #1072795 · as of October 6, 2026
   Active · clear
10. K & P Kelly INC

    Windsor, CA · CSLB #510770 · as of October 6, 2026
    Active · clear
11. Mann Excavating

    Windsor, CA · CSLB #834236 · as of October 6, 2026
    Active · clear
12. Mann Excavating INC

    Windsor, CA · CSLB #808408 · as of October 6, 2026
    Active · clear
13. Nor Cal Excavating & Trucking

    Windsor, CA · CSLB #1075175 · as of October 6, 2026
    Active · clear
14. North Bay Construction Services

    Windsor, CA · CSLB #965651 · as of October 6, 2026
    Active · clear
15. R C Construction

    Windsor, CA · CSLB #525979 · as of October 6, 2026
    Active · clear
16. R C X INC

    Windsor, CA · CSLB #715476 · as of October 6, 2026
    Active · clear
17. Rebich Construction INC

    Windsor, CA · CSLB #675200 · as of October 6, 2026
    Active · clear
18. Snyder Construction INC

    Windsor, CA · CSLB #1022236 · as of October 6, 2026
    Active · clear
19. Sousa Engineering

    Windsor, CA · CSLB #1038833 · as of October 6, 2026
    Active · clear
20. John Thompson Enterprises Partnership

    Windsor, CA · CSLB #947071 · as of October 6, 2026
    Active · clear
21. Trans Tech Consultants

    Windsor, CA · CSLB #697833 · as of October 6, 2026
    Active · clear
22. Waterworks Industries Incorporated

    Windsor, CA · CSLB #678182 · as of October 6, 2026
    Active · clear
23. Waterworks Industries LLC

    Windsor, CA · CSLB #1137599 · as of October 6, 2026
    Active · clear
24. P D K Construction

    Windsor, CA · CSLB #898793 · as of October 6, 2026
    Suspended · bond

See all General Engineering (A) 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.