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 6, 2026.

Showing 61–120 of 311 contractors

Custom Construction
Ontario, CA · CSLB #630203 · as of October 6, 2026
Active · clear
Custom Homes Contractor DBA Custom Homes Construction
Ontario, CA · CSLB #1045173 · as of October 6, 2026
Active · clear
David Leung
Ontario, CA · CSLB #731215 · as of October 6, 2026
Active · clear
Daylight Solar Energy Corp
Ontario, CA · CSLB #903293 · as of October 6, 2026
Active · clear
DB Construction INC
Ontario, CA · CSLB #1039670 · as of October 6, 2026
Active · clear
DC2 Construction
Ontario, CA · CSLB #763460 · as of October 6, 2026
Active · clear
Dchristjan Fine Cabinetry
Ontario, CA · CSLB #776103 · as of October 6, 2026
Active · clear
D & D Contractors INC
Ontario, CA · CSLB #966076 · as of October 6, 2026
Active · clear
DDL Construction INC
Ontario, CA · CSLB #1142403 · as of October 6, 2026
Active · clear
Ddpt INC
Ontario, CA · CSLB #1142270 · as of October 6, 2026
Active · clear
Designer Works
Ontario, CA · CSLB #986451 · as of October 6, 2026
Active · clear
Design Windows & Doors INC
Ontario, CA · CSLB #912367 · as of October 6, 2026
Active · clear
John Fitzgerald Devine
Ontario, CA · CSLB #934292 · as of October 6, 2026
Active · clear
Devine Looks Home Design & Construction
Ontario, CA · CSLB #1074899 · as of October 6, 2026
Active · clear
Dgi Structures INC
Ontario, CA · CSLB #994472 · as of October 6, 2026
Active · clear
DH Remodel & Construction INC
Ontario, CA · CSLB #808571 · as of October 6, 2026
Active · clear
Diamond Air Services INC
Ontario, CA · CSLB #1047483 · as of October 6, 2026
Active · clear
Diamond West Builders
Ontario, CA · CSLB #921003 · as of October 6, 2026
Active · clear
Digital Technologies INC
Ontario, CA · CSLB #894551 · as of October 6, 2026
Active · clear
Di Shao Construction
Ontario, CA · CSLB #1153127 · as of October 6, 2026
Active · clear
Jod Dominguez
Ontario, CA · CSLB #1084844 · as of October 6, 2026
Active · clear
Dove Construction
Ontario, CA · CSLB #890352 · as of October 6, 2026
Active · clear
Draper Properties
Ontario, CA · CSLB #833028 · as of October 6, 2026
Active · clear
DVG Costruction
Ontario, CA · CSLB #1133506 · as of October 6, 2026
Active · clear
Earth & Structural Development LLC
Ontario, CA · CSLB #1159724 · as of October 6, 2026
Active · clear
The East Los Angeles Community Union
Ontario, CA · CSLB #622252 · as of October 6, 2026
Active · clear
George Alfred Edginton
Ontario, CA · CSLB #784411 · as of October 6, 2026
Active · clear
Elite Construction
Ontario, CA · CSLB #841247 · as of October 6, 2026
Active · clear
Steven Elliott Construction
Ontario, CA · CSLB #863929 · as of October 6, 2026
Active · clear
Enhanced Roofing INC
Ontario, CA · CSLB #1120148 · as of October 6, 2026
Active · clear
Louis Joseph Enriquez
Ontario, CA · CSLB #627102 · as of October 6, 2026
Active · clear
Er5 Construction INC
Ontario, CA · CSLB #1125259 · as of October 6, 2026
Active · clear
Evies International INC
Ontario, CA · CSLB #924532 · as of October 6, 2026
Active · clear
Exacto Builders
Ontario, CA · CSLB #929047 · as of October 6, 2026
Active · clear
Excell Construction INC
Ontario, CA · CSLB #1011262 · as of October 6, 2026
Active · clear
Eye On Builders
Ontario, CA · CSLB #977924 · as of October 6, 2026
Active · clear
Fangwen Han
Ontario, CA · CSLB #1138190 · as of October 6, 2026
Active · clear
FH Ii Homebuilders INC
Ontario, CA · CSLB #985046 · as of October 6, 2026
Active · clear
Brandon Fisher Construction
Ontario, CA · CSLB #848840 · as of October 6, 2026
Active · clear
Fixd Construction CO
Ontario, CA · CSLB #1140628 · as of October 6, 2026
Active · clear
Flores Building
Ontario, CA · CSLB #850742 · as of October 6, 2026
Active · clear
Ford Brothers Framing INC
Ontario, CA · CSLB #1010193 · as of October 6, 2026
Active · clear
Forte Painters And General Construction
Ontario, CA · CSLB #980663 · as of October 6, 2026
Active · clear
Fossa Group INC
Ontario, CA · CSLB #1073119 · as of October 6, 2026
Active · clear
Foundation Design & Build
Ontario, CA · CSLB #1159121 · as of October 6, 2026
Active · clear
Freedom 21 Contractors INC
Ontario, CA · CSLB #1080326 · as of October 6, 2026
Active · clear
B Fries Construction INC
Ontario, CA · CSLB #735157 · as of October 6, 2026
Active · clear
Fuentes Construction CO
Ontario, CA · CSLB #902863 · as of October 6, 2026
Active · clear
Fullmer Construction
Ontario, CA · CSLB #301814 · as of October 6, 2026
Active · clear
Gabe's General Construction
Ontario, CA · CSLB #1122112 · as of October 6, 2026
Active · clear
Gibin Remodeling INC
Ontario, CA · CSLB #1027816 · as of October 6, 2026
Active · clear
Golden Leaf Construction INC
Ontario, CA · CSLB #876099 · as of October 6, 2026
Active · clear
Golden One Construction & Coating
Ontario, CA · CSLB #1145410 · as of October 6, 2026
Active · clear
Golden West Construction Group
Ontario, CA · CSLB #1118751 · as of October 6, 2026
Active · clear
D M Gorder Construction CO
Ontario, CA · CSLB #632348 · as of October 6, 2026
Active · clear
Green Remodel Solutions
Ontario, CA · CSLB #1012326 · as of October 6, 2026
Active · clear
Groundbreaking Design Building
Ontario, CA · CSLB #1087605 · as of October 6, 2026
Active · clear
Sutas Hangthaisong
Ontario, CA · CSLB #887657 · as of October 6, 2026
Active · clear
Haven King Construction
Ontario, CA · CSLB #1115816 · as of October 6, 2026
Active · clear
HB Construction
Ontario, CA · CSLB #1047800 · 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.