Licensed General Engineering (A) contractors in Petaluma, CA

The California Contractors State License Board (CSLB) lists 65 General Engineering (A) contractors in Petaluma, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

Showing 1–60 of 65 contractors

1. A B C Asphalt

   Petaluma, CA · CSLB #732314 · as of October 6, 2026
   Active · clear
2. Advanced Alternative Energy Solutions INC

   Petaluma, CA · CSLB #1107943 · as of October 6, 2026
   Active · clear
3. Aguiar Construction

   Petaluma, CA · CSLB #319589 · as of October 6, 2026
   Active · clear
4. All Bay Drilling INC

   Petaluma, CA · CSLB #734075 · as of October 6, 2026
   Active · clear
5. Allphase Paving

   Petaluma, CA · CSLB #706652 · as of October 6, 2026
   Active · clear
6. Ama Diversfied Construction Group

   Petaluma, CA · CSLB #956105 · as of October 6, 2026
   Active · clear
7. Aaron Marion Arellanes

   Petaluma, CA · CSLB #973357 · as of October 6, 2026
   Active · clear
8. Arntz Builders INC

   Petaluma, CA · CSLB #856393 · as of October 6, 2026
   Active · clear
9. A S B Steel

   Petaluma, CA · CSLB #777621 · as of October 6, 2026
   Active · clear
10. Aztrack Construction Corporation

    Petaluma, CA · CSLB #704127 · as of October 6, 2026
    Active · clear
11. Anthony Bertotti Landscaping INC

    Petaluma, CA · CSLB #373488 · as of October 6, 2026
    Active · clear
12. Black Point Excavation

    Petaluma, CA · CSLB #765792 · as of October 6, 2026
    Active · clear
13. Thomas E Bottorff General Contractor

    Petaluma, CA · CSLB #418014 · as of October 6, 2026
    Active · clear
14. C Hardy General Engineering Contractor INC

    Petaluma, CA · CSLB #745509 · as of October 6, 2026
    Active · clear
15. Victor L Chiapetta

    Petaluma, CA · CSLB #898431 · as of October 6, 2026
    Active · clear
16. C Merz Excavating & Grading INC

    Petaluma, CA · CSLB #1080067 · as of October 6, 2026
    Active · clear
17. Curran Environmental Services INC

    Petaluma, CA · CSLB #269122 · as of October 6, 2026
    Active · clear
18. Custom Tractor Service

    Petaluma, CA · CSLB #670956 · as of October 6, 2026
    Active · clear
19. Damazio Excavating INC

    Petaluma, CA · CSLB #928048 · as of October 6, 2026
    Active · clear
20. Nicholas Wayne Deiter

    Petaluma, CA · CSLB #1116326 · as of October 6, 2026
    Active · clear
21. Denco

    Petaluma, CA · CSLB #821372 · as of October 6, 2026
    Active · clear
22. De Rutte Builders Corporation

    Petaluma, CA · CSLB #416695 · as of October 6, 2026
    Active · clear
23. D & M Underground Construction INC

    Petaluma, CA · CSLB #1071259 · as of October 6, 2026
    Active · clear
24. Eames Construction INC

    Petaluma, CA · CSLB #845521 · as of October 6, 2026
    Active · clear
25. E F Brett & Company INC

    Petaluma, CA · CSLB #924636 · as of October 6, 2026
    Active · clear
26. Eleven Engineering INC

    Petaluma, CA · CSLB #1003685 · as of October 6, 2026
    Active · clear
27. Mackalie Susan Felton

    Petaluma, CA · CSLB #777503 · as of October 6, 2026
    Active · clear
28. Galea Construction

    Petaluma, CA · CSLB #929071 · as of October 6, 2026
    Active · clear
29. Souza General Engineering

    Petaluma, CA · CSLB #1014535 · as of October 6, 2026
    Active · clear
30. Goebel Construction INC

    Petaluma, CA · CSLB #348449 · as of October 6, 2026
    Active · clear
31. Goebel Paving Grading & Underground

    Petaluma, CA · CSLB #638716 · as of October 6, 2026
    Active · clear
32. Hillside General Engineering

    Petaluma, CA · CSLB #1154919 · as of October 6, 2026
    Active · clear
33. H & R Building Services INC

    Petaluma, CA · CSLB #827266 · as of October 6, 2026
    Active · clear
34. J C General Engineering Contractor INC

    Petaluma, CA · CSLB #1036980 · as of October 6, 2026
    Active · clear
35. Lind Marine Incorporated

    Petaluma, CA · CSLB #1000690 · as of October 6, 2026
    Active · clear
36. Machado Bros INC

    Petaluma, CA · CSLB #639884 · as of October 6, 2026
    Active · clear
37. Bryan Masterson Enterprises

    Petaluma, CA · CSLB #271933 · as of October 6, 2026
    Active · clear
38. W K MC Lellan CO

    Petaluma, CA · CSLB #240701 · as of October 6, 2026
    Active · clear
39. Mountain General Engineering LLC

    Petaluma, CA · CSLB #1080909 · as of October 6, 2026
    Active · clear
40. Mountain Lion General Engineering

    Petaluma, CA · CSLB #1120744 · as of October 6, 2026
    Active · clear
41. Pat Nelson Construction INC DBA Nelson Construction

    Petaluma, CA · CSLB #601031 · as of October 6, 2026
    Active · clear
42. Greg Nelson Construction INC

    Petaluma, CA · CSLB #1082086 · as of October 6, 2026
    Active · clear
43. North Bay Grading And Paving

    Petaluma, CA · CSLB #975027 · as of October 6, 2026
    Active · clear
44. Pacific Coast Dredging LLC

    Petaluma, CA · CSLB #1154197 · as of October 6, 2026
    Active · clear
45. Michael Paul Company INC

    Petaluma, CA · CSLB #386001 · as of October 6, 2026
    Active · clear
46. Precision Concrete Construction LLC

    Petaluma, CA · CSLB #1032112 · as of October 6, 2026
    Active · clear
47. Rafael And Sons Construction INC

    Petaluma, CA · CSLB #1151585 · as of October 6, 2026
    Active · clear
48. Rebel Pipelines General Engineering INC

    Petaluma, CA · CSLB #1160841 · as of October 6, 2026
    Active · clear
49. Rise Rigging LLC

    Petaluma, CA · CSLB #1051954 · as of October 6, 2026
    Active · clear
50. Rjohn Development CO

    Petaluma, CA · CSLB #415555 · as of October 6, 2026
    Active · clear
51. Setanta Engineering

    Petaluma, CA · CSLB #1049852 · as of October 6, 2026
    Active · clear
52. Setting The Standard Construction INC

    Petaluma, CA · CSLB #1119181 · as of October 6, 2026
    Active · clear
53. C L Y Incorporated DBA Sonoma-marin Construction

    Petaluma, CA · CSLB #690380 · as of October 6, 2026
    Active · clear
54. Paul H Sorensen Construction

    Petaluma, CA · CSLB #891518 · as of October 6, 2026
    Active · clear
55. Spaletta General Engineering

    Petaluma, CA · CSLB #1091157 · as of October 6, 2026
    Active · clear
56. Spye Conservation Incorporated

    Petaluma, CA · CSLB #1133557 · as of October 6, 2026
    Active · clear
57. Tap Excavation INC DBA Tap Construction

    Petaluma, CA · CSLB #1053209 · as of October 6, 2026
    Active · clear
58. Team Ghilotti INC

    Petaluma, CA · CSLB #895384 · as of October 6, 2026
    Active · clear
59. Wildcat Engineering

    Petaluma, CA · CSLB #951203 · as of October 6, 2026
    Active · clear
60. Barbera Grading And Paving

    Petaluma, CA · CSLB #868576 · 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.