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 October 7, 2026.

Showing 241–300 of 311 contractors

1. Victor Romero

   Ontario, CA · CSLB #911371 · as of October 7, 2026
   Active · clear
2. Rovac Builder

   Ontario, CA · CSLB #1110101 · as of October 7, 2026
   Active · clear
3. Richard Joe Saenz

   Ontario, CA · CSLB #727122 · as of October 7, 2026
   Active · clear
4. Sandoval Construction

   Ontario, CA · CSLB #876715 · as of October 7, 2026
   Active · clear
5. Santana Construction Enterprises

   Ontario, CA · CSLB #848705 · as of October 7, 2026
   Active · clear
6. Santoyo Construction

   Ontario, CA · CSLB #1131018 · as of October 7, 2026
   Active · clear
7. S C M Construction INC

   Ontario, CA · CSLB #935736 · as of October 7, 2026
   Active · clear
8. Los Serrano Construction

   Ontario, CA · CSLB #1012653 · as of October 7, 2026
   Active · clear
9. Shark General Building INC

   Ontario, CA · CSLB #1130440 · as of October 7, 2026
   Active · clear
10. Mardona Shenouda Construction Builder

    Ontario, CA · CSLB #1095276 · as of October 7, 2026
    Active · clear
11. Sierra Construction

    Ontario, CA · CSLB #681123 · as of October 7, 2026
    Active · clear
12. Simple Builds

    Ontario, CA · CSLB #1144241 · as of October 7, 2026
    Active · clear
13. Simple Restoration INC

    Ontario, CA · CSLB #1066954 · as of October 7, 2026
    Active · clear
14. Singularity Construction INC

    Ontario, CA · CSLB #1105261 · as of October 7, 2026
    Active · clear
15. Skylinecraft Construction INC

    Ontario, CA · CSLB #1122803 · as of October 7, 2026
    Active · clear
16. Skyline Services LLC

    Ontario, CA · CSLB #1088918 · as of October 7, 2026
    Active · clear
17. Solgar Construction INC

    Ontario, CA · CSLB #1082852 · as of October 7, 2026
    Active · clear
18. Solid Integrity Construction

    Ontario, CA · CSLB #1161433 · as of October 7, 2026
    Active · clear
19. Solorio Construction

    Ontario, CA · CSLB #917843 · as of October 7, 2026
    Active · clear
20. Spec Construction & Development INC

    Ontario, CA · CSLB #972188 · as of October 7, 2026
    Active · clear
21. Spicer Construction

    Ontario, CA · CSLB #662772 · as of October 7, 2026
    Active · clear
22. Stanger Construction And Remodel

    Ontario, CA · CSLB #1103331 · as of October 7, 2026
    Active · clear
23. Struct-tech Builders

    Ontario, CA · CSLB #568920 · as of October 7, 2026
    Active · clear
24. Sunwest Builders Tenant Improvements INC

    Ontario, CA · CSLB #1009363 · as of October 7, 2026
    Active · clear
25. Super Mario Construction

    Ontario, CA · CSLB #958569 · as of October 7, 2026
    Active · clear
26. Trait Construction

    Ontario, CA · CSLB #1028664 · as of October 7, 2026
    Active · clear
27. TR Constructions LLC

    Ontario, CA · CSLB #926469 · as of October 7, 2026
    Active · clear
28. Tridon 2 Contractors

    Ontario, CA · CSLB #1129917 · as of October 7, 2026
    Active · clear
29. Trinity Framing

    Ontario, CA · CSLB #1030427 · as of October 7, 2026
    Active · clear
30. Ultimate Construction

    Ontario, CA · CSLB #1098701 · as of October 7, 2026
    Active · clear
31. Scorpion Remodeling Consulting DBA United Water Restoration

    Ontario, CA · CSLB #1127537 · as of October 7, 2026
    Active · clear
32. Unum Construction

    Ontario, CA · CSLB #809385 · as of October 7, 2026
    Active · clear
33. Uwing Construction INC

    Ontario, CA · CSLB #1143733 · as of October 7, 2026
    Active · clear
34. Vanedi Home Improvement INC

    Ontario, CA · CSLB #1147022 · as of October 7, 2026
    Active · clear
35. Varez Construction INC

    Ontario, CA · CSLB #1138147 · as of October 7, 2026
    Active · clear
36. Veltel Infrastructure Services LLC

    Ontario, CA · CSLB #1049531 · as of October 7, 2026
    Active · clear
37. VGC

    Ontario, CA · CSLB #1138625 · as of October 7, 2026
    Active · clear
38. Villa General Contracting

    Ontario, CA · CSLB #1114540 · as of October 7, 2026
    Active · clear
39. VLP Design Build

    Ontario, CA · CSLB #1111387 · as of October 7, 2026
    Active · clear
40. Wavcomm

    Ontario, CA · CSLB #724434 · as of October 7, 2026
    Active · clear
41. West Bay General Construction

    Ontario, CA · CSLB #779015 · as of October 7, 2026
    Active · clear
42. Westside Pro Builders

    Ontario, CA · CSLB #1116368 · as of October 7, 2026
    Active · clear
43. West United Builder

    Ontario, CA · CSLB #1039373 · as of October 7, 2026
    Active · clear
44. Wiekamp Construction INC

    Ontario, CA · CSLB #1066913 · as of October 7, 2026
    Active · clear
45. Wiskind Construction INC

    Ontario, CA · CSLB #1137238 · as of October 7, 2026
    Active · clear
46. Wka Group INC

    Ontario, CA · CSLB #1134050 · as of October 7, 2026
    Active · clear
47. Wolf Windows And Doors

    Ontario, CA · CSLB #1157111 · as of October 7, 2026
    Active · clear
48. Kyle Yang Construction

    Ontario, CA · CSLB #1085591 · as of October 7, 2026
    Active · clear
49. Y&D General Services

    Ontario, CA · CSLB #1127476 · as of October 7, 2026
    Active · clear
50. Yicun Construction

    Ontario, CA · CSLB #1098350 · as of October 7, 2026
    Active · clear
51. Ho Soo Yoo

    Ontario, CA · CSLB #703553 · as of October 7, 2026
    Active · clear
52. Young C Lee

    Ontario, CA · CSLB #867519 · as of October 7, 2026
    Active · clear
53. Z1 Construction

    Ontario, CA · CSLB #1064551 · as of October 7, 2026
    Active · clear
54. Pinze Zhang

    Ontario, CA · CSLB #1087764 · as of October 7, 2026
    Active · clear
55. Zhiyuan Li Construction

    Ontario, CA · CSLB #1158107 · as of October 7, 2026
    Active · clear
56. Zienix Property Services

    Ontario, CA · CSLB #1142312 · as of October 7, 2026
    Active · clear
57. Absolute Facility Control INC

    Ontario, CA · CSLB #796155 · as of October 7, 2026
    Suspended · bond
58. Cardin Construction

    Ontario, CA · CSLB #730241 · as of October 7, 2026
    Suspended · bond
59. Golden Vast Construction INC

    Ontario, CA · CSLB #1133809 · as of October 7, 2026
    Suspended · bond
60. Meta Group Builder

    Ontario, CA · CSLB #1108241 · as of October 7, 2026
    Suspended · bond

See all General Building (B) contractors in California →

Data sourced from the California Contractors State License Board (CSLB), current as of October 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.