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 121–180 of 232 contractors

1. Joseph Langon

   Castro Valley, CA · CSLB #757428 · as of October 6, 2026
   Active · clear
2. Aaron Lerner General Contractor

   Castro Valley, CA · CSLB #927537 · as of October 6, 2026
   Active · clear
3. Lico's Contracting

   Castro Valley, CA · CSLB #1021433 · as of October 6, 2026
   Active · clear
4. LL Construction

   Castro Valley, CA · CSLB #1087278 · as of October 6, 2026
   Active · clear
5. Loreto Construction Services

   Castro Valley, CA · CSLB #866213 · as of October 6, 2026
   Active · clear
6. Lu's Construction

   Castro Valley, CA · CSLB #871211 · as of October 6, 2026
   Active · clear
7. Lyons Construction

   Castro Valley, CA · CSLB #761972 · as of October 6, 2026
   Active · clear
8. M A Services General Contracting

   Castro Valley, CA · CSLB #759101 · as of October 6, 2026
   Active · clear
9. Matthies Construction

   Castro Valley, CA · CSLB #1102199 · as of October 6, 2026
   Active · clear
10. M B Development

    Castro Valley, CA · CSLB #778837 · as of October 6, 2026
    Active · clear
11. M B R

    Castro Valley, CA · CSLB #457961 · as of October 6, 2026
    Active · open complaint
12. John MC Donagh Builders And Energy Systems

    Castro Valley, CA · CSLB #422946 · as of October 6, 2026
    Active · clear
13. M C R Construction

    Castro Valley, CA · CSLB #729668 · as of October 6, 2026
    Active · clear
14. Mena Construction

    Castro Valley, CA · CSLB #1092706 · as of October 6, 2026
    Active · clear
15. Mario Mendoza

    Castro Valley, CA · CSLB #888992 · as of October 6, 2026
    Active · clear
16. Merkouris Construction INC

    Castro Valley, CA · CSLB #464532 · as of October 6, 2026
    Active · clear
17. Metacore Construction & Roofing INC

    Castro Valley, CA · CSLB #1126625 · as of October 6, 2026
    Active · clear
18. Mikeco Construction Company

    Castro Valley, CA · CSLB #1020142 · as of October 6, 2026
    Active · clear
19. MMW Construction INC

    Castro Valley, CA · CSLB #1158511 · as of October 6, 2026
    Active · clear
20. MNM Builders INC

    Castro Valley, CA · CSLB #1029642 · as of October 6, 2026
    Active · clear
21. Morningside Builders

    Castro Valley, CA · CSLB #864558 · as of October 6, 2026
    Active · clear
22. B A Morrison

    Castro Valley, CA · CSLB #603913 · as of October 6, 2026
    Active · clear
23. Steven A Morsilli

    Castro Valley, CA · CSLB #604965 · as of October 6, 2026
    Active · clear
24. M W C & Associates

    Castro Valley, CA · CSLB #398440 · as of October 6, 2026
    Active · clear
25. New Generation Construction & Remodeling INC

    Castro Valley, CA · CSLB #1000571 · as of October 6, 2026
    Active · clear
26. Ralph J Nice

    Castro Valley, CA · CSLB #549951 · as of October 6, 2026
    Active · clear
27. Northup Construction INC

    Castro Valley, CA · CSLB #265315 · as of October 6, 2026
    Active · clear
28. Ocean Remodel INC

    Castro Valley, CA · CSLB #1120751 · as of October 6, 2026
    Active · clear
29. Olsen Consulting

    Castro Valley, CA · CSLB #1128663 · as of October 6, 2026
    Active · clear
30. Cliff Olson Construction

    Castro Valley, CA · CSLB #529277 · as of October 6, 2026
    Active · clear
31. Jack D Olson Design & Construction CO

    Castro Valley, CA · CSLB #374770 · as of October 6, 2026
    Active · clear
32. On Point Construction

    Castro Valley, CA · CSLB #949627 · as of October 6, 2026
    Active · clear
33. Osman Construction INC

    Castro Valley, CA · CSLB #1149250 · as of October 6, 2026
    Active · clear
34. Our Handy Helper

    Castro Valley, CA · CSLB #1145235 · as of October 6, 2026
    Active · clear
35. Pacific Bay Remodeling

    Castro Valley, CA · CSLB #1076321 · as of October 6, 2026
    Active · clear
36. Paragon Electric

    Castro Valley, CA · CSLB #261291 · as of October 6, 2026
    Active · clear
37. Payne's General Contracting

    Castro Valley, CA · CSLB #800246 · as of October 6, 2026
    Active · clear
38. Perfect Home Builders INC

    Castro Valley, CA · CSLB #1058032 · as of October 6, 2026
    Active · clear
39. Peters Construction

    Castro Valley, CA · CSLB #993709 · as of October 6, 2026
    Active · clear
40. P F P Builders INC

    Castro Valley, CA · CSLB #1162212 · as of October 6, 2026
    Active · clear
41. Ryan Phelps Construction

    Castro Valley, CA · CSLB #829520 · as of October 6, 2026
    Active · clear
42. Pinon Custom Construction INC

    Castro Valley, CA · CSLB #1048101 · as of October 6, 2026
    Active · clear
43. Preferred Quality Home Improvements

    Castro Valley, CA · CSLB #964396 · as of October 6, 2026
    Active · clear
44. Premium Builders INC

    Castro Valley, CA · CSLB #767321 · as of October 6, 2026
    Active · clear
45. Pro Attic Restoration INC

    Castro Valley, CA · CSLB #1039440 · as of October 6, 2026
    Active · clear
46. Property Pros Construction INC

    Castro Valley, CA · CSLB #889146 · as of October 6, 2026
    Active · clear
47. Pro-tech Maintenance & Repair

    Castro Valley, CA · CSLB #596933 · as of October 6, 2026
    Active · clear
48. Punjab Construction

    Castro Valley, CA · CSLB #689179 · as of October 6, 2026
    Active · clear
49. Quixotic Construction

    Castro Valley, CA · CSLB #940742 · as of October 6, 2026
    Active · clear
50. R A Custom Siding

    Castro Valley, CA · CSLB #1007444 · as of October 6, 2026
    Active · clear
51. Pete Radovich Construction

    Castro Valley, CA · CSLB #449887 · as of October 6, 2026
    Active · clear
52. Rayco Construction Services INC

    Castro Valley, CA · CSLB #809022 · as of October 6, 2026
    Active · clear
53. Rayco Painting & Construction INC

    Castro Valley, CA · CSLB #1029239 · as of October 6, 2026
    Active · clear
54. Red Door Restoration INC

    Castro Valley, CA · CSLB #916469 · as of October 6, 2026
    Active · clear
55. Reed's Craftmanship

    Castro Valley, CA · CSLB #394444 · as of October 6, 2026
    Active · clear
56. Reis Construction Company LLC

    Castro Valley, CA · CSLB #1144162 · as of October 6, 2026
    Active · clear
57. Renovations Plus

    Castro Valley, CA · CSLB #857337 · as of October 6, 2026
    Active · clear
58. Ric Kitchen + Bath Showroom

    Castro Valley, CA · CSLB #602812 · as of October 6, 2026
    Active · clear
59. R J H Construction

    Castro Valley, CA · CSLB #517983 · as of October 6, 2026
    Active · clear
60. Ken A Rose

    Castro Valley, CA · CSLB #423722 · 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.