Licensed General Building (B) contractors in Castro Valley, CA

The California Contractors State License Board (CSLB) lists 228 General Building (B) contractors in Castro Valley, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

Showing 61–120 of 228 contractors

1. D M C Construction

   Castro Valley, CA · CSLB #918194 · as of June 27, 2026
   Active · clear
2. Donahue Backhoe & Construction CO

   Castro Valley, CA · CSLB #504109 · as of June 27, 2026
   Active · clear
3. Door Specialist

   Castro Valley, CA · CSLB #852259 · as of June 27, 2026
   Active · clear
4. Nicholas Drabec

   Castro Valley, CA · CSLB #639451 · as of June 27, 2026
   Active · clear
5. Duarte & Sons Construction & Painting

   Castro Valley, CA · CSLB #959065 · as of June 27, 2026
   Active · clear
6. Dominic Martin DBA D W Construction

   Castro Valley, CA · CSLB #1098104 · as of June 27, 2026
   Active · clear
7. East Bay Construction

   Castro Valley, CA · CSLB #650791 · as of June 27, 2026
   Active · clear
8. Eb Home Construction

   Castro Valley, CA · CSLB #1112791 · as of June 27, 2026
   Active · clear
9. Ecol Development INC

   Castro Valley, CA · CSLB #897153 · as of June 27, 2026
   Active · clear
10. Elite Construction

    Castro Valley, CA · CSLB #845888 · as of June 27, 2026
    Active · clear
11. Elite Home Remodeling

    Castro Valley, CA · CSLB #970250 · as of June 27, 2026
    Active · clear
12. Ericson M Vega Construction

    Castro Valley, CA · CSLB #1144261 · as of June 27, 2026
    Active · clear
13. Robert Fazzio Construction

    Castro Valley, CA · CSLB #876000 · as of June 27, 2026
    Active · clear
14. Fine Build Construction INC

    Castro Valley, CA · CSLB #999104 · as of June 27, 2026
    Active · clear
15. Emilio Forni Construction & Remodeling

    Castro Valley, CA · CSLB #736135 · as of June 27, 2026
    Active · clear
16. John L Franco Construction

    Castro Valley, CA · CSLB #723550 · as of June 27, 2026
    Active · clear
17. Frenchpark Flooring And Maintenance LLC DBA Frenchpark Floors

    Castro Valley, CA · CSLB #1059100 · as of June 27, 2026
    Active · clear
18. Gil Garcia General Contractor

    Castro Valley, CA · CSLB #552748 · as of June 27, 2026
    Active · clear
19. Gaxl General Construction INC

    Castro Valley, CA · CSLB #1037436 · as of June 27, 2026
    Active · clear
20. David Gelles

    Castro Valley, CA · CSLB #935402 · as of June 27, 2026
    Active · clear
21. Gem Home Improvements INC

    Castro Valley, CA · CSLB #1051153 · as of June 27, 2026
    Active · clear
22. David Dean Gibbs Builder

    Castro Valley, CA · CSLB #845636 · as of June 27, 2026
    Active · clear
23. Grandeur Construction INC

    Castro Valley, CA · CSLB #596556 · as of June 27, 2026
    Active · clear
24. Griffin Construction Services

    Castro Valley, CA · CSLB #1029762 · as of June 27, 2026
    Active · clear
25. G R V Homeimprovement

    Castro Valley, CA · CSLB #1025118 · as of June 27, 2026
    Active · clear
26. A1 Gutierrez Construction

    Castro Valley, CA · CSLB #1056598 · as of June 27, 2026
    Active · clear
27. G X Construction CO

    Castro Valley, CA · CSLB #1008387 · as of June 27, 2026
    Active · clear
28. H 3 D Home Construction

    Castro Valley, CA · CSLB #977770 · as of June 27, 2026
    Active · clear
29. Hamilton Exteriors

    Castro Valley, CA · CSLB #1078806 · as of June 27, 2026
    Active · clear
30. HB Construction Services INC

    Castro Valley, CA · CSLB #1001862 · as of June 27, 2026
    Active · clear
31. H B M Construction

    Castro Valley, CA · CSLB #991414 · as of June 27, 2026
    Active · clear
32. Hector's Construction Company

    Castro Valley, CA · CSLB #709208 · as of June 27, 2026
    Active · clear
33. Mark A Hemenez General Contractor

    Castro Valley, CA · CSLB #614891 · as of June 27, 2026
    Active · clear
34. Heritage Construction

    Castro Valley, CA · CSLB #818503 · as of June 27, 2026
    Active · clear
35. H I S Home Improvement Service

    Castro Valley, CA · CSLB #623902 · as of June 27, 2026
    Active · clear
36. F Huang Construction INC

    Castro Valley, CA · CSLB #1011198 · as of June 27, 2026
    Active · clear
37. Huang's Builders INC

    Castro Valley, CA · CSLB #1094286 · as of June 27, 2026
    Active · clear
38. Kelly Huska Contracting

    Castro Valley, CA · CSLB #506830 · as of June 27, 2026
    Active · clear
39. Lucas Ilie Construction

    Castro Valley, CA · CSLB #1020308 · as of June 27, 2026
    Active · clear
40. Integrity Construction & Flooring

    Castro Valley, CA · CSLB #777898 · as of June 27, 2026
    Active · clear
41. Ionian Builders LLC

    Castro Valley, CA · CSLB #1050163 · as of June 27, 2026
    Active · clear
42. Ionut Construction

    Castro Valley, CA · CSLB #1026785 · as of June 27, 2026
    Active · clear
43. Isaac Rion Construction

    Castro Valley, CA · CSLB #1136338 · as of June 27, 2026
    Active · clear
44. J & A Construction

    Castro Valley, CA · CSLB #974834 · as of June 27, 2026
    Active · clear
45. J A M Construction

    Castro Valley, CA · CSLB #1058356 · as of June 27, 2026
    Active · clear
46. J C Construction

    Castro Valley, CA · CSLB #994512 · as of June 27, 2026
    Active · clear
47. John Jensen

    Castro Valley, CA · CSLB #547028 · as of June 27, 2026
    Active · clear
48. JHR Framing

    Castro Valley, CA · CSLB #1111496 · as of June 27, 2026
    Active · clear
49. JHT Construction Services INC

    Castro Valley, CA · CSLB #1157139 · as of June 27, 2026
    Active · clear
50. Jing Zhang

    Castro Valley, CA · CSLB #1145548 · as of June 27, 2026
    Active · clear
51. J V C Construction

    Castro Valley, CA · CSLB #604531 · as of June 27, 2026
    Active · clear
52. J&V Pro Construction And Remodeling

    Castro Valley, CA · CSLB #1141138 · as of June 27, 2026
    Active · clear
53. Kaitz Construction General Contractor

    Castro Valley, CA · CSLB #938624 · as of June 27, 2026
    Active · clear
54. Karajen Construction Services

    Castro Valley, CA · CSLB #676791 · as of June 27, 2026
    Active · clear
55. Key One Construction INC

    Castro Valley, CA · CSLB #1155498 · as of June 27, 2026
    Active · clear
56. Killian Construction

    Castro Valley, CA · CSLB #738955 · as of June 27, 2026
    Active · clear
57. K M S Construction

    Castro Valley, CA · CSLB #988014 · as of June 27, 2026
    Active · clear
58. KM Squared

    Castro Valley, CA · CSLB #1102264 · as of June 27, 2026
    Active · clear
59. H James Knuppe

    Castro Valley, CA · CSLB #214462 · as of June 27, 2026
    Active · clear
60. M J Knuppe Development Company

    Castro Valley, CA · CSLB #742847 · as of June 27, 2026
    Active · clear

See all General Building (B) 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.