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 121–180 of 233 contractors

1. John J Langon JR

   Castro Valley, CA · CSLB #283657 · as of August 11, 2026
   Active · clear
2. Joseph Langon

   Castro Valley, CA · CSLB #757428 · as of August 11, 2026
   Active · clear
3. Aaron Lerner General Contractor

   Castro Valley, CA · CSLB #927537 · as of August 11, 2026
   Active · clear
4. Lico's Contracting

   Castro Valley, CA · CSLB #1021433 · as of August 11, 2026
   Active · clear
5. LL Construction

   Castro Valley, CA · CSLB #1087278 · as of August 11, 2026
   Active · clear
6. Loreto Construction Services

   Castro Valley, CA · CSLB #866213 · as of August 11, 2026
   Active · clear
7. Lu's Construction

   Castro Valley, CA · CSLB #871211 · as of August 11, 2026
   Active · clear
8. Lyons Construction

   Castro Valley, CA · CSLB #761972 · as of August 11, 2026
   Active · clear
9. M A Services General Contracting

   Castro Valley, CA · CSLB #759101 · as of August 11, 2026
   Active · clear
10. Matthies Construction

    Castro Valley, CA · CSLB #1102199 · as of August 11, 2026
    Active · clear
11. M B Development

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

    Castro Valley, CA · CSLB #457961 · as of August 11, 2026
    Active · open complaint
13. John MC Donagh Builders And Energy Systems

    Castro Valley, CA · CSLB #422946 · as of August 11, 2026
    Active · clear
14. M C R Construction

    Castro Valley, CA · CSLB #729668 · as of August 11, 2026
    Active · clear
15. Mena Construction

    Castro Valley, CA · CSLB #1092706 · as of August 11, 2026
    Active · clear
16. Mario Mendoza

    Castro Valley, CA · CSLB #888992 · as of August 11, 2026
    Active · clear
17. Merkouris Construction INC

    Castro Valley, CA · CSLB #464532 · as of August 11, 2026
    Active · clear
18. Mikeco Construction Company

    Castro Valley, CA · CSLB #1020142 · as of August 11, 2026
    Active · clear
19. MMW Construction INC

    Castro Valley, CA · CSLB #1158511 · as of August 11, 2026
    Active · clear
20. MNM Builders INC

    Castro Valley, CA · CSLB #1029642 · as of August 11, 2026
    Active · clear
21. Monarch Builders LLC

    Castro Valley, CA · CSLB #1136648 · as of August 11, 2026
    Active · clear
22. Morningside Builders

    Castro Valley, CA · CSLB #864558 · as of August 11, 2026
    Active · clear
23. B A Morrison

    Castro Valley, CA · CSLB #603913 · as of August 11, 2026
    Active · clear
24. Steven A Morsilli

    Castro Valley, CA · CSLB #604965 · as of August 11, 2026
    Active · clear
25. M W C & Associates

    Castro Valley, CA · CSLB #398440 · as of August 11, 2026
    Active · clear
26. New Generation Construction & Remodeling INC

    Castro Valley, CA · CSLB #1000571 · as of August 11, 2026
    Active · clear
27. Ralph J Nice

    Castro Valley, CA · CSLB #549951 · as of August 11, 2026
    Active · clear
28. Northup Construction INC

    Castro Valley, CA · CSLB #265315 · as of August 11, 2026
    Active · clear
29. Ocean Remodel INC

    Castro Valley, CA · CSLB #1120751 · as of August 11, 2026
    Active · clear
30. Olsen Consulting

    Castro Valley, CA · CSLB #1128663 · as of August 11, 2026
    Active · clear
31. Cliff Olson Construction

    Castro Valley, CA · CSLB #529277 · as of August 11, 2026
    Active · clear
32. Jack D Olson Design & Construction CO

    Castro Valley, CA · CSLB #374770 · as of August 11, 2026
    Active · clear
33. On Point Construction

    Castro Valley, CA · CSLB #949627 · as of August 11, 2026
    Active · clear
34. Osman Construction INC

    Castro Valley, CA · CSLB #1149250 · as of August 11, 2026
    Active · clear
35. Our Handy Helper

    Castro Valley, CA · CSLB #1145235 · as of August 11, 2026
    Active · clear
36. Pacific Bay Remodeling

    Castro Valley, CA · CSLB #1076321 · as of August 11, 2026
    Active · clear
37. Paragon Electric

    Castro Valley, CA · CSLB #261291 · as of August 11, 2026
    Active · clear
38. Payne's General Contracting

    Castro Valley, CA · CSLB #800246 · as of August 11, 2026
    Active · clear
39. Perfect Home Builders INC

    Castro Valley, CA · CSLB #1058032 · as of August 11, 2026
    Active · clear
40. Ryan Phelps Construction

    Castro Valley, CA · CSLB #829520 · as of August 11, 2026
    Active · clear
41. Pinon Custom Construction INC

    Castro Valley, CA · CSLB #1048101 · as of August 11, 2026
    Active · clear
42. Preferred Quality Home Improvements

    Castro Valley, CA · CSLB #964396 · as of August 11, 2026
    Active · clear
43. Premium Builders INC

    Castro Valley, CA · CSLB #767321 · as of August 11, 2026
    Active · clear
44. Pro Attic Restoration INC

    Castro Valley, CA · CSLB #1039440 · as of August 11, 2026
    Active · clear
45. Property Pros Construction INC

    Castro Valley, CA · CSLB #889146 · as of August 11, 2026
    Active · clear
46. Pro-tech Maintenance & Repair

    Castro Valley, CA · CSLB #596933 · as of August 11, 2026
    Active · clear
47. Punjab Construction

    Castro Valley, CA · CSLB #689179 · as of August 11, 2026
    Active · clear
48. Quixotic Construction

    Castro Valley, CA · CSLB #940742 · as of August 11, 2026
    Active · clear
49. R A Custom Siding

    Castro Valley, CA · CSLB #1007444 · as of August 11, 2026
    Active · clear
50. Pete Radovich Construction

    Castro Valley, CA · CSLB #449887 · as of August 11, 2026
    Active · clear
51. Rayco Construction Services INC

    Castro Valley, CA · CSLB #809022 · as of August 11, 2026
    Active · clear
52. Rayco Painting & Construction INC

    Castro Valley, CA · CSLB #1029239 · as of August 11, 2026
    Active · clear
53. Red Door Restoration INC

    Castro Valley, CA · CSLB #916469 · as of August 11, 2026
    Active · clear
54. Reed's Craftmanship

    Castro Valley, CA · CSLB #394444 · as of August 11, 2026
    Active · clear
55. Reis Construction Company LLC

    Castro Valley, CA · CSLB #1144162 · as of August 11, 2026
    Active · clear
56. Renovations Plus

    Castro Valley, CA · CSLB #857337 · as of August 11, 2026
    Active · clear
57. Ric Kitchen + Bath Showroom

    Castro Valley, CA · CSLB #602812 · as of August 11, 2026
    Active · clear
58. R J H Construction

    Castro Valley, CA · CSLB #517983 · as of August 11, 2026
    Active · clear
59. Ken A Rose

    Castro Valley, CA · CSLB #423722 · as of August 11, 2026
    Active · clear
60. R S V P Development & Construction

    Castro Valley, CA · CSLB #660902 · 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.