Licensed Concrete (C-8) contractors in Ontario, CA

The California Contractors State License Board (CSLB) lists 15 Concrete (C-8) contractors in Ontario, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of August 11, 2026.

15 contractors

Ajb Concrete & Masonry Construction
Ontario, CA · CSLB #463690 · as of August 11, 2026
Active · clear
Apex Concrete
Ontario, CA · CSLB #1135754 · as of August 11, 2026
Active · clear
A & Son's Concrete INC
Ontario, CA · CSLB #1158461 · as of August 11, 2026
Active · clear
R A Darracq Concrete
Ontario, CA · CSLB #351727 · as of August 11, 2026
Active · clear
Douma Concrete
Ontario, CA · CSLB #879852 · as of August 11, 2026
Active · clear
F C Formsetter & Concrete
Ontario, CA · CSLB #912473 · as of August 11, 2026
Active · clear
GJK Construction Concrete Specialist
Ontario, CA · CSLB #1156173 · as of August 11, 2026
Active · clear
Mana Concrete
Ontario, CA · CSLB #1147704 · as of August 11, 2026
Active · clear
Moe's Concrete
Ontario, CA · CSLB #1090844 · as of August 11, 2026
Active · clear
Nexera Concrete
Ontario, CA · CSLB #1147247 · as of August 11, 2026
Active · clear
Old School Masonry INC
Ontario, CA · CSLB #1065241 · as of August 11, 2026
Active · clear
Strong Base Concrete Construction
Ontario, CA · CSLB #1147044 · as of August 11, 2026
Active · clear
Tom's Concrete INC
Ontario, CA · CSLB #996477 · as of August 11, 2026
Active · clear
Coastline Outdoor Solutions
Ontario, CA · CSLB #581970 · as of August 11, 2026
Suspended · bond
M C R Masonry CO
Ontario, CA · CSLB #954433 · as of August 11, 2026
Suspended · workers' comp

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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.