Service Area
Construction Contractor
Allen, TX
Serving Allen and Collin County with full-service construction. One of the most affluent and fastest-growing cities in Texas — premium residential neighborhoods and expanding commercial districts demand the best contractors.
Get a Free Allen QuoteServices in Allen
Every Phase. One Contractor.
Concrete Contracting
Driveways, foundations, parking lots, and slabs across Allen and Collin County.
Commercial Construction
New builds and tenant finish-outs for Allen businesses.
Civil Construction
Site prep, excavation, and utilities for Allen developments.
Custom Home Builds
Design-build custom homes in Allen and surrounding areas.
Pool Construction
Custom gunite pools and outdoor living in Allen.
Developer Services
Cost-plus owner's representation for Allen developers.
Why Allen Clients Choose Us
Allen consistently ranks among the best cities to live in America. Premium master-planned communities, top-rated schools, and a thriving commercial district along US-75 make Allen one of the most desirable addresses in North Texas.
Onyx & Iron has been serving Allen and Collin County for over 17 years. We handle precision concrete work for luxury driveways and pool decks, commercial finish-outs for retail and restaurant spaces, and civil site work for new residential and commercial developments.
Allen homeowners and developers expect quality. We deliver it — on time, on budget, with the transparency that high-end clients demand.
Building in Allen?
Free quotes. Straight answers. A contractor who knows Collin County.
Request a Free Quote