Licensed General Building (B) contractors in Ontario, CA

The California Contractors State License Board (CSLB) lists 312 General Building (B) contractors in Ontario, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of August 11, 2026.

Showing 61–120 of 312 contractors

Custom Carpentry
Ontario, CA · CSLB #826799 · as of August 11, 2026
Active · clear
Custom Construction
Ontario, CA · CSLB #630203 · as of August 11, 2026
Active · clear
Custom Homes Contractor DBA Custom Homes Construction
Ontario, CA · CSLB #1045173 · as of August 11, 2026
Active · clear
David Leung
Ontario, CA · CSLB #731215 · as of August 11, 2026
Active · clear
Daylight Solar Energy Corp
Ontario, CA · CSLB #903293 · as of August 11, 2026
Active · clear
DB Construction INC
Ontario, CA · CSLB #1039670 · as of August 11, 2026
Active · clear
DC2 Construction
Ontario, CA · CSLB #763460 · as of August 11, 2026
Active · clear
Dchristjan Fine Cabinetry
Ontario, CA · CSLB #776103 · as of August 11, 2026
Active · clear
D & D Contractors INC
Ontario, CA · CSLB #966076 · as of August 11, 2026
Active · clear
DDL Construction INC
Ontario, CA · CSLB #1142403 · as of August 11, 2026
Active · clear
Ddpt INC
Ontario, CA · CSLB #1142270 · as of August 11, 2026
Active · clear
Designer Works
Ontario, CA · CSLB #986451 · as of August 11, 2026
Active · clear
Design Windows & Doors INC
Ontario, CA · CSLB #912367 · as of August 11, 2026
Active · clear
John Fitzgerald Devine
Ontario, CA · CSLB #934292 · as of August 11, 2026
Active · clear
Devine Looks Home Design & Construction
Ontario, CA · CSLB #1074899 · as of August 11, 2026
Active · clear
DH Remodel & Construction INC
Ontario, CA · CSLB #808571 · as of August 11, 2026
Active · clear
Diamond Air Services INC
Ontario, CA · CSLB #1047483 · as of August 11, 2026
Active · clear
Digital Technologies INC
Ontario, CA · CSLB #894551 · as of August 11, 2026
Active · clear
Di Shao Construction
Ontario, CA · CSLB #1153127 · as of August 11, 2026
Active · clear
Dove Construction
Ontario, CA · CSLB #890352 · as of August 11, 2026
Active · clear
Draper Properties
Ontario, CA · CSLB #833028 · as of August 11, 2026
Active · clear
DVG Costruction
Ontario, CA · CSLB #1133506 · as of August 11, 2026
Active · clear
The East Los Angeles Community Union
Ontario, CA · CSLB #622252 · as of August 11, 2026
Active · clear
George Alfred Edginton
Ontario, CA · CSLB #784411 · as of August 11, 2026
Active · clear
Elite Construction
Ontario, CA · CSLB #841247 · as of August 11, 2026
Active · clear
Steven Elliott Construction
Ontario, CA · CSLB #863929 · as of August 11, 2026
Active · clear
Enhanced Roofing INC
Ontario, CA · CSLB #1120148 · as of August 11, 2026
Active · clear
Louis Joseph Enriquez
Ontario, CA · CSLB #627102 · as of August 11, 2026
Active · clear
Esp Construction Solutions
Ontario, CA · CSLB #1140163 · as of August 11, 2026
Active · clear
Evies International INC
Ontario, CA · CSLB #924532 · as of August 11, 2026
Active · clear
Exacto Builders
Ontario, CA · CSLB #929047 · as of August 11, 2026
Active · clear
Excell Construction INC
Ontario, CA · CSLB #1011262 · as of August 11, 2026
Active · clear
Eye On Builders
Ontario, CA · CSLB #977924 · as of August 11, 2026
Active · clear
FH Ii Homebuilders INC
Ontario, CA · CSLB #985046 · as of August 11, 2026
Active · clear
Brandon Fisher Construction
Ontario, CA · CSLB #848840 · as of August 11, 2026
Active · clear
Fixd Construction CO
Ontario, CA · CSLB #1140628 · as of August 11, 2026
Active · clear
Flores Building
Ontario, CA · CSLB #850742 · as of August 11, 2026
Active · clear
Ford Brothers Framing INC
Ontario, CA · CSLB #1010193 · as of August 11, 2026
Active · clear
Forte Painters And General Construction
Ontario, CA · CSLB #980663 · as of August 11, 2026
Active · clear
Fossa Group INC
Ontario, CA · CSLB #1073119 · as of August 11, 2026
Active · clear
Foundation Design & Build
Ontario, CA · CSLB #1159121 · as of August 11, 2026
Active · clear
Freedom 21 Contractors INC
Ontario, CA · CSLB #1080326 · as of August 11, 2026
Active · clear
B Fries Construction INC
Ontario, CA · CSLB #735157 · as of August 11, 2026
Active · clear
Fuentes Construction CO
Ontario, CA · CSLB #902863 · as of August 11, 2026
Active · clear
Fullmer Construction
Ontario, CA · CSLB #301814 · as of August 11, 2026
Active · clear
Gabe's General Construction
Ontario, CA · CSLB #1122112 · as of August 11, 2026
Active · clear
Gibin Remodeling INC
Ontario, CA · CSLB #1027816 · as of August 11, 2026
Active · clear
Golden Leaf Construction INC
Ontario, CA · CSLB #876099 · as of August 11, 2026
Active · clear
Golden One Construction & Coating
Ontario, CA · CSLB #1145410 · as of August 11, 2026
Active · clear
Golden West Construction Group
Ontario, CA · CSLB #1118751 · as of August 11, 2026
Active · clear
D M Gorder Construction CO
Ontario, CA · CSLB #632348 · as of August 11, 2026
Active · clear
Groundbreaking Design Building
Ontario, CA · CSLB #1087605 · as of August 11, 2026
Active · clear
Sutas Hangthaisong
Ontario, CA · CSLB #887657 · as of August 11, 2026
Active · clear
Haven King Construction
Ontario, CA · CSLB #1115816 · as of August 11, 2026
Active · clear
HB Construction
Ontario, CA · CSLB #1047800 · as of August 11, 2026
Active · clear
HDC Construction INC
Ontario, CA · CSLB #802646 · as of August 11, 2026
Active · clear
HDZ Construct INC
Ontario, CA · CSLB #1144932 · as of August 11, 2026
Active · clear
HDZ Construction INC
Ontario, CA · CSLB #1132126 · as of August 11, 2026
Active · clear
Heritage Design Build And Consulting
Ontario, CA · CSLB #991737 · as of August 11, 2026
Active · clear
Heritage Design & Build LLC
Ontario, CA · CSLB #1131358 · 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.