Licensed General Engineering (A) contractors in Concord, CA

The California Contractors State License Board (CSLB) lists 92 General Engineering (A) contractors in Concord, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

Showing 1–60 of 92 contractors

1. 99 North General Engineering

   Concord, CA · CSLB #1112114 · as of June 27, 2026
   Active · clear
2. Abc Construction

   Concord, CA · CSLB #871880 · as of June 27, 2026
   Active · clear
3. Acustruct

   Concord, CA · CSLB #815096 · as of June 27, 2026
   Active · clear
4. Airtight Construction INC

   Concord, CA · CSLB #818211 · as of June 27, 2026
   Active · clear
5. Craig Andersen

   Concord, CA · CSLB #556343 · as of June 27, 2026
   Active · clear
6. A P C O Construction

   Concord, CA · CSLB #813245 · as of June 27, 2026
   Active · clear
7. Apex Grading INC

   Concord, CA · CSLB #795186 · as of June 27, 2026
   Active · clear
8. Arrowhead Contracting Company

   Concord, CA · CSLB #1155889 · as of June 27, 2026
   Active · clear
9. A-s Pipelines INC

   Concord, CA · CSLB #426171 · as of June 27, 2026
   Active · clear
10. Bay Area Drainage INC

    Concord, CA · CSLB #762208 · as of June 27, 2026
    Active · clear
11. Bay Area Earthworks INC

    Concord, CA · CSLB #1073685 · as of June 27, 2026
    Active · clear
12. Bay Area Greenscapes INC

    Concord, CA · CSLB #938445 · as of June 27, 2026
    Active · clear
13. Bay Cities/myers & Sons Joint Venture

    Concord, CA · CSLB #1130497 · as of June 27, 2026
    Active · clear
14. Bay Cities Paving & Grading INC

    Concord, CA · CSLB #238650 · as of June 27, 2026
    Active · clear
15. B C Mccosker Construction INC

    Concord, CA · CSLB #636659 · as of June 27, 2026
    Active · clear
16. Benevent Building

    Concord, CA · CSLB #798269 · as of June 27, 2026
    Active · clear
17. Blueline Engineering INC

    Concord, CA · CSLB #948803 · as of June 27, 2026
    Active · clear
18. Breeden Engineering

    Concord, CA · CSLB #1118808 · as of June 27, 2026
    Active · clear
19. Burton Underground INC

    Concord, CA · CSLB #922888 · as of June 27, 2026
    Active · clear
20. James J Busby

    Concord, CA · CSLB #255487 · as of June 27, 2026
    Active · clear
21. California Highway Construction Group INC

    Concord, CA · CSLB #1027700 · as of June 27, 2026
    Active · clear
22. Calwest Paving CO

    Concord, CA · CSLB #993936 · as of June 27, 2026
    Active · clear
23. Carone & Company INC

    Concord, CA · CSLB #704210 · as of June 27, 2026
    Active · clear
24. C D M Asphalt

    Concord, CA · CSLB #1078207 · as of June 27, 2026
    Active · clear
25. Ned Clyde Construction INC

    Concord, CA · CSLB #409154 · as of June 27, 2026
    Active · clear
26. Conco

    Concord, CA · CSLB #199902 · as of June 27, 2026
    Active · clear
27. Concore Development Group INC

    Concord, CA · CSLB #868715 · as of June 27, 2026
    Active · clear
28. Cornerstone Environmental Contractors INC

    Concord, CA · CSLB #722253 · as of June 27, 2026
    Active · clear
29. Crouse General Engineering

    Concord, CA · CSLB #893938 · as of June 27, 2026
    Active · clear
30. De Nova Homes INC

    Concord, CA · CSLB #770719 · as of June 27, 2026
    Active · clear
31. Devengenzo & Company

    Concord, CA · CSLB #566986 · as of June 27, 2026
    Active · clear
32. Discovery Builders INC

    Concord, CA · CSLB #753652 · as of June 27, 2026
    Active · clear
33. DMZ Builders

    Concord, CA · CSLB #986594 · as of June 27, 2026
    Active · clear
34. Dmz/comstock JV

    Concord, CA · CSLB #1150127 · as of June 27, 2026
    Active · clear
35. Elephant Engineering INC

    Concord, CA · CSLB #1081795 · as of June 27, 2026
    Active · clear
36. Encompass Construction Development Group INC

    Concord, CA · CSLB #1055957 · as of June 27, 2026
    Active · clear
37. Engineered Construction Services Corp

    Concord, CA · CSLB #715004 · as of June 27, 2026
    Active · clear
38. Fdmr A Valley Link JV

    Concord, CA · CSLB #1146838 · as of June 27, 2026
    Active · clear
39. Flatirondragados-bessac Vista Grande JV

    Concord, CA · CSLB #1149747 · as of June 27, 2026
    Active · clear
40. Flatirondragados-gsb I ST Bridge JV

    Concord, CA · CSLB #1149519 · as of June 27, 2026
    Active · clear
41. Flatirondragados-odin A Daguerre JV

    Concord, CA · CSLB #1150674 · as of June 27, 2026
    Active · clear
42. Flatirondragados Sukut Adsrp Joint Venture

    Concord, CA · CSLB #1157228 · as of June 27, 2026
    Active · clear
43. Flatiron/dragados/sukut Joint Venture

    Concord, CA · CSLB #1137468 · as of June 27, 2026
    Active · clear
44. Flatiron Dragados-teichert I-80 Truck Lanes JV

    Concord, CA · CSLB #1148305 · as of June 27, 2026
    Active · clear
45. Flatiron/kiewit A Joint Venture

    Concord, CA · CSLB #1137509 · as of June 27, 2026
    Active · clear
46. Flatiron-skanska A Joint Venture

    Concord, CA · CSLB #1096434 · as of June 27, 2026
    Active · clear
47. Flatiron-teichert A Joint Venture

    Concord, CA · CSLB #1137511 · as of June 27, 2026
    Active · clear
48. Fleece Corp

    Concord, CA · CSLB #900621 · as of June 27, 2026
    Active · clear
49. Gems Environmental Management Services INC

    Concord, CA · CSLB #864458 · as of June 27, 2026
    Active · clear
50. G Ferrabee Company Incorporated

    Concord, CA · CSLB #430877 · as of June 27, 2026
    Active · clear
51. GHD Services INC

    Concord, CA · CSLB #855376 · as of June 27, 2026
    Active · clear
52. Gilbane Federal

    Concord, CA · CSLB #702708 · as of June 27, 2026
    Active · clear
53. Groundlevel Construction

    Concord, CA · CSLB #900017 · as of June 27, 2026
    Active · clear
54. Ground Level Construction INC

    Concord, CA · CSLB #991672 · as of June 27, 2026
    Active · clear
55. Groundlevel-overaa Joint Venture 2

    Concord, CA · CSLB #1084601 · as of June 27, 2026
    Active · clear
56. Guerra Bros Plumbing INC

    Concord, CA · CSLB #802256 · as of June 27, 2026
    Active · clear
57. D A MC Cosker Construction CO DBA Independent Construction

    Concord, CA · CSLB #215611 · as of June 27, 2026
    Active · clear
58. Janus Corporation

    Concord, CA · CSLB #572682 · as of June 27, 2026
    Active · clear
59. JB Infrastructure

    Concord, CA · CSLB #1048640 · as of June 27, 2026
    Active · clear
60. J C C INC

    Concord, CA · CSLB #981209 · as of June 27, 2026
    Active · clear

See all General Engineering (A) 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.