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Location and Projects

Address
4245 N Central Expy, Dallas, TX, 75205
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Onyx & Iron Construction

Onyx & Iron LLC is a full-service civil construction and concrete contractor serving developers and general contractors across Texas.

We specialize in turnkey site packages including earthwork, underground utilities, drainage systems, paving, structural concrete, foundations, flatwork, and site improvements.

Our team is built around speed, precision, and execution. We provide accurate takeoffs, competitive pricing, and disciplined field management to protect budgets and keep projects on schedule.

Whether supporting large-scale ground-up developments or acting as a strategic site partner, we deliver reliable performance from mobilization through final inspection.

From BuildZoom: Onyx & Iron, 4245 N Central Expy, Dallas, TX holds a General Contractor license according to the Texas license board.

Their BuildZoom score of 0 does not rank in the top 50% of Texas contractors.

If you are thinking of hiring Onyx & Iron, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.

Onyx & Iron Contact Information

Phone: (945) 365-1245
Address: 4245 N Central Expy, Dallas, TX 75205

Onyx & Iron Dallas

Quality

Alert*
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Onyx & Iron, log in and update your license info in the “Edit Profile” tab.

Activity

2 projects
2025
Our building permit records indicate that Onyx & Iron has worked on at least 2.0 projects over the past year.

This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.

Pricing

1 project
$250k-$500k
1 project
$1mil+
Value Not Public: 0 projects
Pro tip: For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.

Building Permits by Onyx & Iron

Sort by: Notable Notable | Date Date | Job Value Job Value
New construction
2025-12-19
Excavation, underground utilities, soil stabilization and concrete
Valuation:
$3,000,000
Permit #:
A25-2216
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
Commercial
Accessory building, dirt work, concrete, paving, foundation, steel erection, building modification
Valuation:
$280,000
Permit #:
2872
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential

Onyx & Iron Reviews

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