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 June 27, 2026.

Showing 1–60 of 65 contractors

1. A B C Asphalt

   Petaluma, CA · CSLB #732314 · as of June 27, 2026
   Active · clear
2. Advanced Alternative Energy Solutions INC

   Petaluma, CA · CSLB #1107943 · as of June 27, 2026
   Active · clear
3. Aguiar Construction

   Petaluma, CA · CSLB #319589 · as of June 27, 2026
   Active · clear
4. All Bay Drilling INC

   Petaluma, CA · CSLB #734075 · as of June 27, 2026
   Active · clear
5. Allphase Paving

   Petaluma, CA · CSLB #706652 · as of June 27, 2026
   Active · clear
6. Ama Diversfied Construction Group

   Petaluma, CA · CSLB #956105 · as of June 27, 2026
   Active · clear
7. Aaron Marion Arellanes

   Petaluma, CA · CSLB #973357 · as of June 27, 2026
   Active · clear
8. Arntz Builders INC

   Petaluma, CA · CSLB #856393 · as of June 27, 2026
   Active · clear
9. A S B Steel

   Petaluma, CA · CSLB #777621 · as of June 27, 2026
   Active · clear
10. Aztrack Construction Corporation

    Petaluma, CA · CSLB #704127 · as of June 27, 2026
    Active · clear
11. Barbera Grading And Paving

    Petaluma, CA · CSLB #868576 · as of June 27, 2026
    Active · clear
12. Bayview Paving Construction

    Petaluma, CA · CSLB #1016566 · as of June 27, 2026
    Active · clear
13. Anthony Bertotti Landscaping INC

    Petaluma, CA · CSLB #373488 · as of June 27, 2026
    Active · clear
14. Black Point Excavation

    Petaluma, CA · CSLB #765792 · as of June 27, 2026
    Active · clear
15. Thomas E Bottorff General Contractor

    Petaluma, CA · CSLB #418014 · as of June 27, 2026
    Active · clear
16. C Hardy General Engineering Contractor INC

    Petaluma, CA · CSLB #745509 · as of June 27, 2026
    Active · clear
17. Victor L Chiapetta

    Petaluma, CA · CSLB #898431 · as of June 27, 2026
    Active · clear
18. C Merz Excavating & Grading INC

    Petaluma, CA · CSLB #1080067 · as of June 27, 2026
    Active · clear
19. Curran Environmental Services INC

    Petaluma, CA · CSLB #269122 · as of June 27, 2026
    Active · clear
20. Custom Tractor Service

    Petaluma, CA · CSLB #670956 · as of June 27, 2026
    Active · clear
21. Damazio Excavating INC

    Petaluma, CA · CSLB #928048 · as of June 27, 2026
    Active · clear
22. Nicholas Wayne Deiter

    Petaluma, CA · CSLB #1116326 · as of June 27, 2026
    Active · clear
23. Denco

    Petaluma, CA · CSLB #821372 · as of June 27, 2026
    Active · clear
24. De Rutte Builders Corporation

    Petaluma, CA · CSLB #416695 · as of June 27, 2026
    Active · clear
25. D & M Underground Construction INC

    Petaluma, CA · CSLB #1071259 · as of June 27, 2026
    Active · clear
26. Eames Construction INC

    Petaluma, CA · CSLB #845521 · as of June 27, 2026
    Active · clear
27. E F Brett & Company INC

    Petaluma, CA · CSLB #924636 · as of June 27, 2026
    Active · clear
28. Eleven Engineering INC

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

    Petaluma, CA · CSLB #777503 · as of June 27, 2026
    Active · clear
30. Galea Construction

    Petaluma, CA · CSLB #929071 · as of June 27, 2026
    Active · clear
31. William James Gargan

    Petaluma, CA · CSLB #351395 · as of June 27, 2026
    Active · clear
32. Souza General Engineering

    Petaluma, CA · CSLB #1014535 · as of June 27, 2026
    Active · clear
33. Goebel Construction INC

    Petaluma, CA · CSLB #348449 · as of June 27, 2026
    Active · clear
34. Goebel Paving Grading & Underground

    Petaluma, CA · CSLB #638716 · as of June 27, 2026
    Active · clear
35. Hillside General Engineering

    Petaluma, CA · CSLB #1154919 · as of June 27, 2026
    Active · clear
36. H & R Building Services INC

    Petaluma, CA · CSLB #827266 · as of June 27, 2026
    Active · clear
37. J C General Engineering Contractor INC

    Petaluma, CA · CSLB #1036980 · as of June 27, 2026
    Active · clear
38. Lind Marine Incorporated

    Petaluma, CA · CSLB #1000690 · as of June 27, 2026
    Active · clear
39. Machado Bros INC

    Petaluma, CA · CSLB #639884 · as of June 27, 2026
    Active · clear
40. Bryan Masterson Enterprises

    Petaluma, CA · CSLB #271933 · as of June 27, 2026
    Active · clear
41. W K MC Lellan CO

    Petaluma, CA · CSLB #240701 · as of June 27, 2026
    Active · clear
42. Mountain General Engineering LLC

    Petaluma, CA · CSLB #1080909 · as of June 27, 2026
    Active · clear
43. Mountain Lion General Engineering

    Petaluma, CA · CSLB #1120744 · as of June 27, 2026
    Active · clear
44. M P Excavating & Engineering

    Petaluma, CA · CSLB #1057194 · as of June 27, 2026
    Active · clear
45. Pat Nelson Construction INC DBA Nelson Construction

    Petaluma, CA · CSLB #601031 · as of June 27, 2026
    Active · clear
46. Greg Nelson Construction INC

    Petaluma, CA · CSLB #1082086 · as of June 27, 2026
    Active · clear
47. North Bay Grading And Paving

    Petaluma, CA · CSLB #975027 · as of June 27, 2026
    Active · clear
48. Pacific Coast Dredging LLC

    Petaluma, CA · CSLB #1154197 · as of June 27, 2026
    Active · clear
49. Michael Paul Company INC

    Petaluma, CA · CSLB #386001 · as of June 27, 2026
    Active · clear
50. Precision Concrete Construction LLC

    Petaluma, CA · CSLB #1032112 · as of June 27, 2026
    Active · clear
51. Rafael And Sons Construction INC

    Petaluma, CA · CSLB #1151585 · as of June 27, 2026
    Active · clear
52. Rise Rigging LLC

    Petaluma, CA · CSLB #1051954 · as of June 27, 2026
    Active · clear
53. Rjohn Development CO

    Petaluma, CA · CSLB #415555 · as of June 27, 2026
    Active · clear
54. Setanta Engineering

    Petaluma, CA · CSLB #1049852 · as of June 27, 2026
    Active · clear
55. Setting The Standard Construction INC

    Petaluma, CA · CSLB #1119181 · as of June 27, 2026
    Active · clear
56. Darren Shaw Excavating

    Petaluma, CA · CSLB #860077 · as of June 27, 2026
    Active · clear
57. C L Y Incorporated DBA Sonoma-marin Construction

    Petaluma, CA · CSLB #690380 · as of June 27, 2026
    Active · clear
58. Paul H Sorensen Construction

    Petaluma, CA · CSLB #891518 · as of June 27, 2026
    Active · clear
59. Spaletta General Engineering

    Petaluma, CA · CSLB #1091157 · as of June 27, 2026
    Active · clear
60. Spye Conservation Incorporated

    Petaluma, CA · CSLB #1133557 · 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.