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 181–240 of 311 contractors

Matlock Design Build INC
Ontario, CA · CSLB #1031038 · as of October 6, 2026
Active · clear
Thor MC Andrew Construction
Ontario, CA · CSLB #742776 · as of October 6, 2026
Active · clear
Thomas Mcgee Development INC
Ontario, CA · CSLB #1117295 · as of October 6, 2026
Active · clear
MCQ Construction INC
Ontario, CA · CSLB #1132913 · as of October 6, 2026
Active · clear
Mega Construction LLC
Ontario, CA · CSLB #1132714 · as of October 6, 2026
Active · clear
Zhiyong Meng
Ontario, CA · CSLB #1046125 · as of October 6, 2026
Active · clear
Method Design Build
Ontario, CA · CSLB #1108931 · as of October 6, 2026
Active · clear
Metro RF Services INC
Ontario, CA · CSLB #895236 · as of October 6, 2026
Active · clear
Edward C Mierau
Ontario, CA · CSLB #787998 · as of October 6, 2026
Active · clear
Samuel Elias Milam
Ontario, CA · CSLB #937003 · as of October 6, 2026
Active · clear
Minghui Li
Ontario, CA · CSLB #1028942 · as of October 6, 2026
Active · clear
Eliseo Miramontez
Ontario, CA · CSLB #857173 · as of October 6, 2026
Active · clear
Moonlite Construction
Ontario, CA · CSLB #995505 · as of October 6, 2026
Active · clear
Moore United Construction INC
Ontario, CA · CSLB #764972 · as of October 6, 2026
Active · clear
Moreno's Construction INC
Ontario, CA · CSLB #1095952 · as of October 6, 2026
Active · clear
M & R Construction Services INC
Ontario, CA · CSLB #508404 · as of October 6, 2026
Active · clear
Murguia Construction
Ontario, CA · CSLB #780053 · as of October 6, 2026
Active · clear
Murguia Construction INC
Ontario, CA · CSLB #766953 · as of October 6, 2026
Active · clear
Mustang Construction
Ontario, CA · CSLB #1020934 · as of October 6, 2026
Active · clear
Myco Construction
Ontario, CA · CSLB #853581 · as of October 6, 2026
Active · clear
Navona Placemaking
Ontario, CA · CSLB #1156579 · as of October 6, 2026
Active · clear
Neff Construction INC
Ontario, CA · CSLB #790576 · as of October 6, 2026
Active · clear
New Constructon
Ontario, CA · CSLB #532419 · as of October 6, 2026
Active · clear
Next Level Contractors INC
Ontario, CA · CSLB #1088668 · as of October 6, 2026
Active · clear
R W Nolte Construction INC
Ontario, CA · CSLB #1042244 · as of October 6, 2026
Active · clear
Norton General Contractors
Ontario, CA · CSLB #909595 · as of October 6, 2026
Active · clear
Victor Orozco Construction
Ontario, CA · CSLB #982481 · as of October 6, 2026
Active · clear
Pac Builders Corp
Ontario, CA · CSLB #1107900 · as of October 6, 2026
Active · clear
Packs Construction
Ontario, CA · CSLB #453095 · as of October 6, 2026
Active · clear
Jocael Palomino
Ontario, CA · CSLB #644395 · as of October 6, 2026
Active · clear
Pam Pan Xu
Ontario, CA · CSLB #1150481 · as of October 6, 2026
Active · clear
Parkcrest Construction INC
Ontario, CA · CSLB #600254 · as of October 6, 2026
Active · clear
PBS Construction Service LLC
Ontario, CA · CSLB #1077808 · as of October 6, 2026
Active · clear
Penghao Yuan Construction
Ontario, CA · CSLB #1054088 · as of October 6, 2026
Active · clear
Pennco Construction Group INC
Ontario, CA · CSLB #972111 · as of October 6, 2026
Active · clear
Perera Construction & Design INC
Ontario, CA · CSLB #585965 · as of October 6, 2026
Active · clear
Perfect Construction CO
Ontario, CA · CSLB #696650 · as of October 6, 2026
Active · clear
Phil's Construction
Ontario, CA · CSLB #916449 · as of October 6, 2026
Active · clear
Pona's Construction
Ontario, CA · CSLB #955730 · as of October 6, 2026
Active · clear
Prefab Granite & Tile Depot INC
Ontario, CA · CSLB #975056 · as of October 6, 2026
Active · clear
Premium Construction Services
Ontario, CA · CSLB #1033803 · as of October 6, 2026
Active · clear
Prime Construction Services INC
Ontario, CA · CSLB #985031 · as of October 6, 2026
Active · clear
Prime Renovate INC
Ontario, CA · CSLB #1076129 · as of October 6, 2026
Active · clear
Project Countertops Company INC
Ontario, CA · CSLB #1021347 · as of October 6, 2026
Active · clear
Project X Developer INC
Ontario, CA · CSLB #1106298 · as of October 6, 2026
Active · clear
Property Builders Concepts & Maintenance INC
Ontario, CA · CSLB #967277 · as of October 6, 2026
Active · clear
Property Management Service
Ontario, CA · CSLB #968317 · as of October 6, 2026
Active · clear
Q A T General Construction
Ontario, CA · CSLB #1085728 · as of October 6, 2026
Active · clear
R3 Painting
Ontario, CA · CSLB #757555 · as of October 6, 2026
Active · clear
Ramirez Construction Services INC
Ontario, CA · CSLB #1017026 · as of October 6, 2026
Active · clear
Rancho Construction Specialties
Ontario, CA · CSLB #1113850 · as of October 6, 2026
Active · clear
R C A Construction Clean Up INC
Ontario, CA · CSLB #996848 · as of October 6, 2026
Active · clear
Red & Purple INC
Ontario, CA · CSLB #1092661 · as of October 6, 2026
Active · clear
Rema Builders
Ontario, CA · CSLB #1142912 · as of October 6, 2026
Active · clear
Rico INC
Ontario, CA · CSLB #831227 · as of October 6, 2026
Active · clear
Riggio Construction INC
Ontario, CA · CSLB #806241 · as of October 6, 2026
Active · clear
Right Call Services INC
Ontario, CA · CSLB #1151470 · as of October 6, 2026
Active · clear
Johnnie Rightmer
Ontario, CA · CSLB #929338 · as of October 6, 2026
Active · clear
R J P General Contracting
Ontario, CA · CSLB #659596 · as of October 6, 2026
Active · clear
Rockwall Construction Company
Ontario, CA · CSLB #777138 · 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.