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

The California Contractors State License Board (CSLB) lists 232 General Building (B) contractors in Castro Valley, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

Showing 61–120 of 232 contractors

1. Door Specialist

   Castro Valley, CA · CSLB #852259 · as of October 6, 2026
   Active · clear
2. Nicholas Drabec

   Castro Valley, CA · CSLB #639451 · as of October 6, 2026
   Active · clear
3. Duarte & Sons Construction & Painting

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

   Castro Valley, CA · CSLB #1098104 · as of October 6, 2026
   Active · clear
5. East Bay Construction

   Castro Valley, CA · CSLB #650791 · as of October 6, 2026
   Active · clear
6. Eb Home Construction

   Castro Valley, CA · CSLB #1112791 · as of October 6, 2026
   Active · clear
7. Ecol Development INC

   Castro Valley, CA · CSLB #897153 · as of October 6, 2026
   Active · clear
8. Elite Construction

   Castro Valley, CA · CSLB #845888 · as of October 6, 2026
   Active · clear
9. Elite Home Remodeling

   Castro Valley, CA · CSLB #970250 · as of October 6, 2026
   Active · clear
10. Ericson M Vega Construction

    Castro Valley, CA · CSLB #1144261 · as of October 6, 2026
    Active · clear
11. Robert Fazzio Construction

    Castro Valley, CA · CSLB #876000 · as of October 6, 2026
    Active · clear
12. Fine Build Construction INC

    Castro Valley, CA · CSLB #999104 · as of October 6, 2026
    Active · clear
13. Emilio Forni Construction & Remodeling

    Castro Valley, CA · CSLB #736135 · as of October 6, 2026
    Active · clear
14. John L Franco Construction

    Castro Valley, CA · CSLB #723550 · as of October 6, 2026
    Active · clear
15. Frenchpark Flooring And Maintenance LLC DBA Frenchpark Floors

    Castro Valley, CA · CSLB #1059100 · as of October 6, 2026
    Active · clear
16. Gaxl General Construction INC

    Castro Valley, CA · CSLB #1037436 · as of October 6, 2026
    Active · clear
17. David Gelles

    Castro Valley, CA · CSLB #935402 · as of October 6, 2026
    Active · clear
18. Gem Home Improvements INC

    Castro Valley, CA · CSLB #1051153 · as of October 6, 2026
    Active · clear
19. David Dean Gibbs Builder

    Castro Valley, CA · CSLB #845636 · as of October 6, 2026
    Active · clear
20. Grandeur Construction INC

    Castro Valley, CA · CSLB #596556 · as of October 6, 2026
    Active · clear
21. Griffin Construction Services

    Castro Valley, CA · CSLB #1029762 · as of October 6, 2026
    Active · clear
22. G R V Homeimprovement

    Castro Valley, CA · CSLB #1025118 · as of October 6, 2026
    Active · clear
23. A1 Gutierrez Construction

    Castro Valley, CA · CSLB #1056598 · as of October 6, 2026
    Active · clear
24. G X Construction CO

    Castro Valley, CA · CSLB #1008387 · as of October 6, 2026
    Active · clear
25. H 3 D Home Construction

    Castro Valley, CA · CSLB #977770 · as of October 6, 2026
    Active · clear
26. Hamilton Exteriors

    Castro Valley, CA · CSLB #1078806 · as of October 6, 2026
    Active · clear
27. HB Construction Services INC

    Castro Valley, CA · CSLB #1001862 · as of October 6, 2026
    Active · clear
28. H B M Construction

    Castro Valley, CA · CSLB #991414 · as of October 6, 2026
    Active · clear
29. Hector's Construction Company

    Castro Valley, CA · CSLB #709208 · as of October 6, 2026
    Active · clear
30. Mark A Hemenez General Contractor

    Castro Valley, CA · CSLB #614891 · as of October 6, 2026
    Active · clear
31. Heritage Construction

    Castro Valley, CA · CSLB #818503 · as of October 6, 2026
    Active · clear
32. H I S Home Improvement Service

    Castro Valley, CA · CSLB #623902 · as of October 6, 2026
    Active · clear
33. Huang's Builders INC

    Castro Valley, CA · CSLB #1094286 · as of October 6, 2026
    Active · clear
34. Huiwen Zhu

    Castro Valley, CA · CSLB #1161898 · as of October 6, 2026
    Active · clear
35. Kelly Huska Contracting

    Castro Valley, CA · CSLB #506830 · as of October 6, 2026
    Active · clear
36. Lucas Ilie Construction

    Castro Valley, CA · CSLB #1020308 · as of October 6, 2026
    Active · clear
37. Integrity Construction & Flooring

    Castro Valley, CA · CSLB #777898 · as of October 6, 2026
    Active · clear
38. Ionian Builders LLC

    Castro Valley, CA · CSLB #1050163 · as of October 6, 2026
    Active · clear
39. Ionut Construction

    Castro Valley, CA · CSLB #1026785 · as of October 6, 2026
    Active · clear
40. Isaac Rion Construction

    Castro Valley, CA · CSLB #1136338 · as of October 6, 2026
    Active · clear
41. J & A Construction

    Castro Valley, CA · CSLB #974834 · as of October 6, 2026
    Active · clear
42. J A M Construction

    Castro Valley, CA · CSLB #1058356 · as of October 6, 2026
    Active · clear
43. John Jensen

    Castro Valley, CA · CSLB #547028 · as of October 6, 2026
    Active · clear
44. JHR Framing

    Castro Valley, CA · CSLB #1111496 · as of October 6, 2026
    Active · clear
45. JHT Construction Services INC

    Castro Valley, CA · CSLB #1157139 · as of October 6, 2026
    Active · clear
46. Jing Zhang

    Castro Valley, CA · CSLB #1145548 · as of October 6, 2026
    Active · clear
47. J V C Construction

    Castro Valley, CA · CSLB #604531 · as of October 6, 2026
    Active · clear
48. J&V Pro Construction And Remodeling

    Castro Valley, CA · CSLB #1141138 · as of October 6, 2026
    Active · clear
49. JY General Construction

    Castro Valley, CA · CSLB #1159907 · as of October 6, 2026
    Active · clear
50. Kaitz Construction General Contractor

    Castro Valley, CA · CSLB #938624 · as of October 6, 2026
    Active · clear
51. Karajen Construction Services

    Castro Valley, CA · CSLB #676791 · as of October 6, 2026
    Active · clear
52. Key One Construction INC

    Castro Valley, CA · CSLB #1155498 · as of October 6, 2026
    Active · clear
53. Killian Construction

    Castro Valley, CA · CSLB #738955 · as of October 6, 2026
    Active · clear
54. K M S Construction

    Castro Valley, CA · CSLB #988014 · as of October 6, 2026
    Active · clear
55. KM Squared

    Castro Valley, CA · CSLB #1102264 · as of October 6, 2026
    Active · clear
56. H James Knuppe

    Castro Valley, CA · CSLB #214462 · as of October 6, 2026
    Active · clear
57. M J Knuppe Development Company

    Castro Valley, CA · CSLB #742847 · as of October 6, 2026
    Active · clear
58. Georgios Lampropoulos

    Castro Valley, CA · CSLB #992652 · as of October 6, 2026
    Active · clear
59. Langon Building & Developing

    Castro Valley, CA · CSLB #765364 · as of October 6, 2026
    Active · clear
60. John J Langon JR

    Castro Valley, CA · CSLB #283657 · as of October 6, 2026
    Active · clear

See all General Building (B) 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.