Licensed General Building (B) contractors in Ontario, CA

The California Contractors State License Board (CSLB) lists 311 General Building (B) contractors in Ontario, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

Showing 61–120 of 311 contractors

1. Custom Construction

   Ontario, CA · CSLB #630203 · as of June 27, 2026
   Active · clear
2. Custom Homes Contractor DBA Custom Homes Construction

   Ontario, CA · CSLB #1045173 · as of June 27, 2026
   Active · clear
3. David Leung

   Ontario, CA · CSLB #731215 · as of June 27, 2026
   Active · clear
4. Daylight Solar Energy Corp

   Ontario, CA · CSLB #903293 · as of June 27, 2026
   Active · clear
5. DB Construction INC

   Ontario, CA · CSLB #1039670 · as of June 27, 2026
   Active · clear
6. DC2 Construction

   Ontario, CA · CSLB #763460 · as of June 27, 2026
   Active · clear
7. Dchristjan Fine Cabinetry

   Ontario, CA · CSLB #776103 · as of June 27, 2026
   Active · clear
8. D & D Contractors INC

   Ontario, CA · CSLB #966076 · as of June 27, 2026
   Active · clear
9. DDL Construction INC

   Ontario, CA · CSLB #1142403 · as of June 27, 2026
   Active · clear
10. Ddpt INC

    Ontario, CA · CSLB #1142270 · as of June 27, 2026
    Active · clear
11. Designer Works

    Ontario, CA · CSLB #986451 · as of June 27, 2026
    Active · clear
12. Design Windows & Doors INC

    Ontario, CA · CSLB #912367 · as of June 27, 2026
    Active · clear
13. John Fitzgerald Devine

    Ontario, CA · CSLB #934292 · as of June 27, 2026
    Active · clear
14. Devine Looks Home Design & Construction

    Ontario, CA · CSLB #1074899 · as of June 27, 2026
    Active · clear
15. Dgi Structures INC

    Ontario, CA · CSLB #994472 · as of June 27, 2026
    Active · clear
16. DH Remodel & Construction INC

    Ontario, CA · CSLB #808571 · as of June 27, 2026
    Active · clear
17. Diamond Air Services INC

    Ontario, CA · CSLB #1047483 · as of June 27, 2026
    Active · clear
18. Digital Technologies INC

    Ontario, CA · CSLB #894551 · as of June 27, 2026
    Active · clear
19. Di Shao Construction

    Ontario, CA · CSLB #1153127 · as of June 27, 2026
    Active · clear
20. Dove Construction

    Ontario, CA · CSLB #890352 · as of June 27, 2026
    Active · clear
21. Draper Properties

    Ontario, CA · CSLB #833028 · as of June 27, 2026
    Active · clear
22. DVG Costruction

    Ontario, CA · CSLB #1133506 · as of June 27, 2026
    Active · clear
23. The East Los Angeles Community Union

    Ontario, CA · CSLB #622252 · as of June 27, 2026
    Active · clear
24. George Alfred Edginton

    Ontario, CA · CSLB #784411 · as of June 27, 2026
    Active · clear
25. Elite Construction

    Ontario, CA · CSLB #841247 · as of June 27, 2026
    Active · clear
26. Steven Elliott Construction

    Ontario, CA · CSLB #863929 · as of June 27, 2026
    Active · clear
27. Enhanced Roofing INC

    Ontario, CA · CSLB #1120148 · as of June 27, 2026
    Active · clear
28. Louis Joseph Enriquez

    Ontario, CA · CSLB #627102 · as of June 27, 2026
    Active · clear
29. Er5 Construction INC

    Ontario, CA · CSLB #1125259 · as of June 27, 2026
    Active · clear
30. Evies International INC

    Ontario, CA · CSLB #924532 · as of June 27, 2026
    Active · clear
31. Exacto Builders

    Ontario, CA · CSLB #929047 · as of June 27, 2026
    Active · clear
32. Excell Construction INC

    Ontario, CA · CSLB #1011262 · as of June 27, 2026
    Active · clear
33. Eye On Builders

    Ontario, CA · CSLB #977924 · as of June 27, 2026
    Active · clear
34. FH Ii Homebuilders INC

    Ontario, CA · CSLB #985046 · as of June 27, 2026
    Active · clear
35. Brandon Fisher Construction

    Ontario, CA · CSLB #848840 · as of June 27, 2026
    Active · clear
36. Fixd Construction CO

    Ontario, CA · CSLB #1140628 · as of June 27, 2026
    Active · clear
37. Fixd Construction Company

    Ontario, CA · CSLB #976763 · as of June 27, 2026
    Active · clear
38. Flores Building

    Ontario, CA · CSLB #850742 · as of June 27, 2026
    Active · clear
39. Ford Brothers Framing INC

    Ontario, CA · CSLB #1010193 · as of June 27, 2026
    Active · clear
40. Forte Painters And General Construction

    Ontario, CA · CSLB #980663 · as of June 27, 2026
    Active · clear
41. Fossa Group INC

    Ontario, CA · CSLB #1073119 · as of June 27, 2026
    Active · clear
42. Freedom 21 Contractors INC

    Ontario, CA · CSLB #1080326 · as of June 27, 2026
    Active · clear
43. B Fries Construction INC

    Ontario, CA · CSLB #735157 · as of June 27, 2026
    Active · clear
44. Fuentes Construction CO

    Ontario, CA · CSLB #902863 · as of June 27, 2026
    Active · clear
45. Fullmer Construction

    Ontario, CA · CSLB #301814 · as of June 27, 2026
    Active · clear
46. Gabe's General Construction

    Ontario, CA · CSLB #1122112 · as of June 27, 2026
    Active · clear
47. Gibin Remodeling INC

    Ontario, CA · CSLB #1027816 · as of June 27, 2026
    Active · clear
48. Golden Leaf Construction INC

    Ontario, CA · CSLB #876099 · as of June 27, 2026
    Active · clear
49. Golden One Construction & Coating

    Ontario, CA · CSLB #1145410 · as of June 27, 2026
    Active · clear
50. Golden Star Construction Services

    Ontario, CA · CSLB #872650 · as of June 27, 2026
    Active · clear
51. Golden West Construction Group

    Ontario, CA · CSLB #1118751 · as of June 27, 2026
    Active · clear
52. D M Gorder Construction CO

    Ontario, CA · CSLB #632348 · as of June 27, 2026
    Active · clear
53. Fangwen Han

    Ontario, CA · CSLB #1138190 · as of June 27, 2026
    Active · clear
54. Sutas Hangthaisong

    Ontario, CA · CSLB #887657 · as of June 27, 2026
    Active · clear
55. Haven King Construction

    Ontario, CA · CSLB #1115816 · as of June 27, 2026
    Active · clear
56. HB Construction

    Ontario, CA · CSLB #1047800 · as of June 27, 2026
    Active · clear
57. HDC Construction INC

    Ontario, CA · CSLB #802646 · as of June 27, 2026
    Active · clear
58. HDZ Construct INC

    Ontario, CA · CSLB #1144932 · as of June 27, 2026
    Active · clear
59. HDZ Construction INC

    Ontario, CA · CSLB #1132126 · as of June 27, 2026
    Active · clear
60. Heritage Design Build And Consulting

    Ontario, CA · CSLB #991737 · 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.