Licensed General Engineering (A) contractors in Walnut Creek, CA

The California Contractors State License Board (CSLB) lists 38 General Engineering (A) contractors in Walnut Creek, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of August 11, 2026.

38 contractors

1. A A Custom Construction Services A California Joint Venture

   Walnut Creek, CA · CSLB #1029053 · as of August 11, 2026
   Active · clear
2. Aei Consultants

   Walnut Creek, CA · CSLB #654919 · as of August 11, 2026
   Active · clear
3. Alisto INC

   Walnut Creek, CA · CSLB #652544 · as of August 11, 2026
   Active · clear
4. Altor Construction LLC

   Walnut Creek, CA · CSLB #1055950 · as of August 11, 2026
   Active · clear
5. A M A C Construction & Restoration

   Walnut Creek, CA · CSLB #796327 · as of August 11, 2026
   Active · clear
6. Gordon N Ball INC

   Walnut Creek, CA · CSLB #710807 · as of August 11, 2026
   Active · clear
7. Michelle D Beason Construction

   Walnut Creek, CA · CSLB #1010254 · as of August 11, 2026
   Active · clear
8. Robert Brosamer

   Walnut Creek, CA · CSLB #267780 · as of August 11, 2026
   Active · clear
9. Brosamer & Wall INC

   Walnut Creek, CA · CSLB #978808 · as of August 11, 2026
   Active · clear
10. Brown And Caldwell

    Walnut Creek, CA · CSLB #445796 · as of August 11, 2026
    Active · clear
11. Brown And Caldwell Constructors

    Walnut Creek, CA · CSLB #730831 · as of August 11, 2026
    Active · clear
12. Brown Construction

    Walnut Creek, CA · CSLB #924572 · as of August 11, 2026
    Active · clear
13. Bwi/tpc A Joint Venture

    Walnut Creek, CA · CSLB #1077289 · as of August 11, 2026
    Active · clear
14. Dfconceal LLC

    Walnut Creek, CA · CSLB #1128644 · as of August 11, 2026
    Active · clear
15. Eco-chek Compliance INC

    Walnut Creek, CA · CSLB #958763 · as of August 11, 2026
    Active · clear
16. Engineered Soil Repairs INC

    Walnut Creek, CA · CSLB #668184 · as of August 11, 2026
    Active · clear
17. Giron Construction Company

    Walnut Creek, CA · CSLB #1065203 · as of August 11, 2026
    Active · clear
18. Huff General Engineering

    Walnut Creek, CA · CSLB #1138478 · as of August 11, 2026
    Active · clear
19. Jeffrey Wayne Murphy Engineering & Electrical

    Walnut Creek, CA · CSLB #1150913 · as of August 11, 2026
    Active · clear
20. Konstructo INC

    Walnut Creek, CA · CSLB #1032050 · as of August 11, 2026
    Active · clear
21. Mark Allen Linden

    Walnut Creek, CA · CSLB #654758 · as of August 11, 2026
    Active · clear
22. W E Lyons Construction CO

    Walnut Creek, CA · CSLB #180607 · as of August 11, 2026
    Active · clear
23. M E M Engineering

    Walnut Creek, CA · CSLB #463645 · as of August 11, 2026
    Active · clear
24. Mercoza

    Walnut Creek, CA · CSLB #988861 · as of August 11, 2026
    Active · clear
25. Next Phase Construction INC

    Walnut Creek, CA · CSLB #1001752 · as of August 11, 2026
    Active · clear
26. Prospect Engineering INC

    Walnut Creek, CA · CSLB #1048188 · as of August 11, 2026
    Active · clear
27. Mary A Ramos

    Walnut Creek, CA · CSLB #492317 · as of August 11, 2026
    Active · clear
28. R C Underground INC

    Walnut Creek, CA · CSLB #886390 · as of August 11, 2026
    Active · clear
29. Christopher R Schaeffer

    Walnut Creek, CA · CSLB #1101897 · as of August 11, 2026
    Active · clear
30. Thomas Albert Seeno

    Walnut Creek, CA · CSLB #281272 · as of August 11, 2026
    Active · clear
31. SLR International Corporation

    Walnut Creek, CA · CSLB #991727 · as of August 11, 2026
    Active · clear
32. Stephens Mechanical Corporation

    Walnut Creek, CA · CSLB #775100 · as of August 11, 2026
    Active · clear
33. Telecom Steel LLC

    Walnut Creek, CA · CSLB #1133243 · as of August 11, 2026
    Active · clear
34. Timmerman Engineering Construction

    Walnut Creek, CA · CSLB #561795 · as of August 11, 2026
    Active · clear
35. Charles A Wall

    Walnut Creek, CA · CSLB #412142 · as of August 11, 2026
    Active · clear
36. Zero Waste Energy @ Davis Street An Urbaser Project LLC

    Walnut Creek, CA · CSLB #1033875 · as of August 11, 2026
    Active · clear
37. Canadian Solar Sses (us) INC

    Walnut Creek, CA · CSLB #1079314 · as of August 11, 2026
    Suspended · bond
38. WSP USA Environment & Infrastructure INC

    Walnut Creek, CA · CSLB #697810 · as of August 11, 2026
    Suspended · workers' comp

See all General Engineering (A) contractors in California →

Data sourced from the California Contractors State License Board (CSLB), current as of August 11, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.