Licensed General Engineering (A) contractors in San Francisco, CA

The California Contractors State License Board (CSLB) lists 322 General Engineering (A) contractors in San Francisco, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

Showing 1–60 of 322 contractors

1. 5 Star Plumbing & Rooter

   San Francisco, CA · CSLB #996627 · as of June 27, 2026
   Active · clear
2. A - 1 Construction

   San Francisco, CA · CSLB #690238 · as of June 27, 2026
   Active · clear
3. A3 Pipeline

   San Francisco, CA · CSLB #1091794 · as of June 27, 2026
   Active · clear
4. A5 Builders

   San Francisco, CA · CSLB #1086312 · as of June 27, 2026
   Active · clear
5. Above Engineering Corporation

   San Francisco, CA · CSLB #1054011 · as of June 27, 2026
   Active · clear
6. Ace Drilling Engineering INC

   San Francisco, CA · CSLB #1074246 · as of June 27, 2026
   Active · clear
7. Ace Drilling & Excavation

   San Francisco, CA · CSLB #889820 · as of June 27, 2026
   Active · clear
8. Ace Plumbing & Rooter

   San Francisco, CA · CSLB #829071 · as of June 27, 2026
   Active · clear
9. Acer-g Engineering

   San Francisco, CA · CSLB #1143200 · as of June 27, 2026
   Active · clear
10. Acme Bay Area Backflow INC

    San Francisco, CA · CSLB #1028208 · as of June 27, 2026
    Active · clear
11. Adam Construction

    San Francisco, CA · CSLB #725014 · as of June 27, 2026
    Active · clear
12. Add A Garage INC

    San Francisco, CA · CSLB #660611 · as of June 27, 2026
    Active · clear
13. Adept Construction Solutions INC

    San Francisco, CA · CSLB #1011699 · as of June 27, 2026
    Active · clear
14. Adz Built LLC

    San Francisco, CA · CSLB #1125636 · as of June 27, 2026
    Active · clear
15. A E W Engineering INC

    San Francisco, CA · CSLB #842913 · as of June 27, 2026
    Active · clear
16. Agbayani Construction Corporation

    San Francisco, CA · CSLB #650472 · as of June 27, 2026
    Active · clear
17. A + General Construction INC

    San Francisco, CA · CSLB #1127551 · as of June 27, 2026
    Active · clear
18. A General Engineering Company

    San Francisco, CA · CSLB #1038031 · as of June 27, 2026
    Active · clear
19. A G L Engineering INC

    San Francisco, CA · CSLB #999196 · as of June 27, 2026
    Active · clear
20. Bijan Ahmadzadeh

    San Francisco, CA · CSLB #700271 · as of June 27, 2026
    Active · clear
21. Alameda Structural INC

    San Francisco, CA · CSLB #606483 · as of June 27, 2026
    Active · clear
22. Alec Morgan Construction INC

    San Francisco, CA · CSLB #1154187 · as of June 27, 2026
    Active · clear
23. Alltrade Hitech Construction

    San Francisco, CA · CSLB #726120 · as of June 27, 2026
    Active · clear
24. Alpha Bay Builders INC

    San Francisco, CA · CSLB #668616 · as of June 27, 2026
    Active · clear
25. Alta Group INC

    San Francisco, CA · CSLB #840109 · as of June 27, 2026
    Active · clear
26. Ali Altaha

    San Francisco, CA · CSLB #974836 · as of June 27, 2026
    Active · clear
27. Amber - Tru Construction INC

    San Francisco, CA · CSLB #880789 · as of June 27, 2026
    Active · clear
28. Amherst Associates Construction Management INC

    San Francisco, CA · CSLB #811425 · as of June 27, 2026
    Active · clear
29. Angotti & Reilly INC

    San Francisco, CA · CSLB #473263 · as of June 27, 2026
    Active · clear
30. Apex Electric & Air

    San Francisco, CA · CSLB #825156 · as of June 27, 2026
    Active · clear
31. Arana Group INC

    San Francisco, CA · CSLB #840473 · as of June 27, 2026
    Active · clear
32. Arcus Builders INC

    San Francisco, CA · CSLB #1095381 · as of June 27, 2026
    Active · clear
33. Aremtech INC

    San Francisco, CA · CSLB #795570 · as of June 27, 2026
    Active · clear
34. A & R Plumbing

    San Francisco, CA · CSLB #954813 · as of June 27, 2026
    Active · clear
35. Ashbury General Contracting And Engineering

    San Francisco, CA · CSLB #826169 · as of June 27, 2026
    Active · clear
36. A S P Construction & Development

    San Francisco, CA · CSLB #859272 · as of June 27, 2026
    Active · clear
37. Associated Builders

    San Francisco, CA · CSLB #751098 · as of June 27, 2026
    Active · clear
38. Atlas Plumbing & Rooter

    San Francisco, CA · CSLB #868994 · as of June 27, 2026
    Active · clear
39. A-tlg General Contractor Engineering And Plumbing Company

    San Francisco, CA · CSLB #783736 · as of June 27, 2026
    Active · clear
40. Atrium Renovation INC

    San Francisco, CA · CSLB #1069340 · as of June 27, 2026
    Active · clear
41. Aventra Engineering Services INC

    San Francisco, CA · CSLB #1133283 · as of June 27, 2026
    Active · clear
42. Azul Works INC

    San Francisco, CA · CSLB #780074 · as of June 27, 2026
    Active · clear
43. Baines - Nibbi J V

    San Francisco, CA · CSLB #972158 · as of June 27, 2026
    Active · clear
44. Basset Engineering

    San Francisco, CA · CSLB #1070288 · as of June 27, 2026
    Active · clear
45. Don Bauer & CO

    San Francisco, CA · CSLB #530261 · as of June 27, 2026
    Active · clear
46. Bay Area Lightworks INC

    San Francisco, CA · CSLB #839612 · as of June 27, 2026
    Active · clear
47. Bay Engineering LLC

    San Francisco, CA · CSLB #1018027 · as of June 27, 2026
    Active · clear
48. Bay Line Construction

    San Francisco, CA · CSLB #646431 · as of June 27, 2026
    Active · clear
49. Bay Line Cutting & Coring INC

    San Francisco, CA · CSLB #809660 · as of June 27, 2026
    Active · clear
50. Bay Tech Engineering INC

    San Francisco, CA · CSLB #995122 · as of June 27, 2026
    Active · clear
51. Bayview Construction Engineers

    San Francisco, CA · CSLB #292388 · as of June 27, 2026
    Active · clear
52. B C United Construction INC

    San Francisco, CA · CSLB #995115 · as of June 27, 2026
    Active · clear
53. B D Unique Construction Company

    San Francisco, CA · CSLB #937060 · as of June 27, 2026
    Active · clear
54. Blue SKY Building

    San Francisco, CA · CSLB #1114615 · as of June 27, 2026
    Active · clear
55. B & M Construction LLC

    San Francisco, CA · CSLB #1126059 · as of June 27, 2026
    Active · clear
56. John Boylan Engineering INC

    San Francisco, CA · CSLB #1106781 · as of June 27, 2026
    Active · clear
57. Ron Breckenridge Enterprises INC

    San Francisco, CA · CSLB #787836 · as of June 27, 2026
    Active · clear
58. Buhler Commercial

    San Francisco, CA · CSLB #1003262 · as of June 27, 2026
    Active · clear
59. Steve Buhler Infrastructure

    San Francisco, CA · CSLB #1067809 · as of June 27, 2026
    Active · clear
60. Buildcorp INC

    San Francisco, CA · CSLB #1066717 · 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.