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

The California Contractors State License Board (CSLB) lists 233 General Building (B) contractors in Castro Valley, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of August 11, 2026.

Showing 61–120 of 233 contractors

1. D & M Builders

   Castro Valley, CA · CSLB #797083 · as of August 11, 2026
   Active · clear
2. D M C Construction

   Castro Valley, CA · CSLB #918194 · as of August 11, 2026
   Active · clear
3. Donahue Backhoe & Construction CO

   Castro Valley, CA · CSLB #504109 · as of August 11, 2026
   Active · clear
4. Door Specialist

   Castro Valley, CA · CSLB #852259 · as of August 11, 2026
   Active · clear
5. Nicholas Drabec

   Castro Valley, CA · CSLB #639451 · as of August 11, 2026
   Active · clear
6. Duarte & Sons Construction & Painting

   Castro Valley, CA · CSLB #959065 · as of August 11, 2026
   Active · clear
7. Dominic Martin DBA D W Construction

   Castro Valley, CA · CSLB #1098104 · as of August 11, 2026
   Active · clear
8. East Bay Construction

   Castro Valley, CA · CSLB #650791 · as of August 11, 2026
   Active · clear
9. Eb Home Construction

   Castro Valley, CA · CSLB #1112791 · as of August 11, 2026
   Active · clear
10. Ecol Development INC

    Castro Valley, CA · CSLB #897153 · as of August 11, 2026
    Active · clear
11. Elite Construction

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

    Castro Valley, CA · CSLB #970250 · as of August 11, 2026
    Active · clear
13. Ericson M Vega Construction

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

    Castro Valley, CA · CSLB #876000 · as of August 11, 2026
    Active · clear
15. Fine Build Construction INC

    Castro Valley, CA · CSLB #999104 · as of August 11, 2026
    Active · clear
16. Emilio Forni Construction & Remodeling

    Castro Valley, CA · CSLB #736135 · as of August 11, 2026
    Active · clear
17. John L Franco Construction

    Castro Valley, CA · CSLB #723550 · as of August 11, 2026
    Active · clear
18. Frenchpark Flooring And Maintenance LLC DBA Frenchpark Floors

    Castro Valley, CA · CSLB #1059100 · as of August 11, 2026
    Active · clear
19. Gaxl General Construction INC

    Castro Valley, CA · CSLB #1037436 · as of August 11, 2026
    Active · clear
20. David Gelles

    Castro Valley, CA · CSLB #935402 · as of August 11, 2026
    Active · clear
21. Gem Home Improvements INC

    Castro Valley, CA · CSLB #1051153 · as of August 11, 2026
    Active · clear
22. David Dean Gibbs Builder

    Castro Valley, CA · CSLB #845636 · as of August 11, 2026
    Active · clear
23. Grandeur Construction INC

    Castro Valley, CA · CSLB #596556 · as of August 11, 2026
    Active · clear
24. Griffin Construction Services

    Castro Valley, CA · CSLB #1029762 · as of August 11, 2026
    Active · clear
25. G R V Homeimprovement

    Castro Valley, CA · CSLB #1025118 · as of August 11, 2026
    Active · clear
26. A1 Gutierrez Construction

    Castro Valley, CA · CSLB #1056598 · as of August 11, 2026
    Active · clear
27. G X Construction CO

    Castro Valley, CA · CSLB #1008387 · as of August 11, 2026
    Active · clear
28. H 3 D Home Construction

    Castro Valley, CA · CSLB #977770 · as of August 11, 2026
    Active · clear
29. Hamilton Exteriors

    Castro Valley, CA · CSLB #1078806 · as of August 11, 2026
    Active · clear
30. HB Construction Services INC

    Castro Valley, CA · CSLB #1001862 · as of August 11, 2026
    Active · clear
31. H B M Construction

    Castro Valley, CA · CSLB #991414 · as of August 11, 2026
    Active · clear
32. Hector's Construction Company

    Castro Valley, CA · CSLB #709208 · as of August 11, 2026
    Active · clear
33. Mark A Hemenez General Contractor

    Castro Valley, CA · CSLB #614891 · as of August 11, 2026
    Active · clear
34. Heritage Construction

    Castro Valley, CA · CSLB #818503 · as of August 11, 2026
    Active · clear
35. H I S Home Improvement Service

    Castro Valley, CA · CSLB #623902 · as of August 11, 2026
    Active · clear
36. Huang's Builders INC

    Castro Valley, CA · CSLB #1094286 · as of August 11, 2026
    Active · clear
37. Kelly Huska Contracting

    Castro Valley, CA · CSLB #506830 · as of August 11, 2026
    Active · clear
38. Lucas Ilie Construction

    Castro Valley, CA · CSLB #1020308 · as of August 11, 2026
    Active · clear
39. Integrity Construction & Flooring

    Castro Valley, CA · CSLB #777898 · as of August 11, 2026
    Active · clear
40. Ionian Builders LLC

    Castro Valley, CA · CSLB #1050163 · as of August 11, 2026
    Active · clear
41. Ionut Construction

    Castro Valley, CA · CSLB #1026785 · as of August 11, 2026
    Active · clear
42. Isaac Rion Construction

    Castro Valley, CA · CSLB #1136338 · as of August 11, 2026
    Active · clear
43. J & A Construction

    Castro Valley, CA · CSLB #974834 · as of August 11, 2026
    Active · clear
44. J A M Construction

    Castro Valley, CA · CSLB #1058356 · as of August 11, 2026
    Active · clear
45. John Jensen

    Castro Valley, CA · CSLB #547028 · as of August 11, 2026
    Active · clear
46. JHR Framing

    Castro Valley, CA · CSLB #1111496 · as of August 11, 2026
    Active · clear
47. JHT Construction Services INC

    Castro Valley, CA · CSLB #1157139 · as of August 11, 2026
    Active · clear
48. Jing Zhang

    Castro Valley, CA · CSLB #1145548 · as of August 11, 2026
    Active · clear
49. J V C Construction

    Castro Valley, CA · CSLB #604531 · as of August 11, 2026
    Active · clear
50. J&V Pro Construction And Remodeling

    Castro Valley, CA · CSLB #1141138 · as of August 11, 2026
    Active · clear
51. Kaitz Construction General Contractor

    Castro Valley, CA · CSLB #938624 · as of August 11, 2026
    Active · clear
52. Karajen Construction Services

    Castro Valley, CA · CSLB #676791 · as of August 11, 2026
    Active · clear
53. Key One Construction INC

    Castro Valley, CA · CSLB #1155498 · as of August 11, 2026
    Active · clear
54. Killian Construction

    Castro Valley, CA · CSLB #738955 · as of August 11, 2026
    Active · clear
55. K M S Construction

    Castro Valley, CA · CSLB #988014 · as of August 11, 2026
    Active · clear
56. KM Squared

    Castro Valley, CA · CSLB #1102264 · as of August 11, 2026
    Active · clear
57. H James Knuppe

    Castro Valley, CA · CSLB #214462 · as of August 11, 2026
    Active · clear
58. M J Knuppe Development Company

    Castro Valley, CA · CSLB #742847 · as of August 11, 2026
    Active · clear
59. Georgios Lampropoulos

    Castro Valley, CA · CSLB #992652 · as of August 11, 2026
    Active · clear
60. Langon Building & Developing

    Castro Valley, CA · CSLB #765364 · as of August 11, 2026
    Active · clear

See all General Building (B) contractors in California →

Data sourced from the California Contractors State License Board (CSLB), current as of August 11, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.