Asphalt production facility
Serving the Denver Metro Area

Good morning, Golden. Let's build something lasting together.

At Martin Marietta Spec Agg Asphalt Plant, we produce premium asphalt and aggregate materials engineered for Colorado's demanding climate — from residential driveways to commercial infrastructure.

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About Us

Built on rock-solid foundations since day one

Martin Marietta Spec Agg Asphalt Plant has been a cornerstone of the Golden, Colorado construction community, providing high-performance asphalt and aggregate materials to contractors, municipalities, and developers.

Our facility at 19701 W Colfax Ave combines decades of experience with modern production technology, ensuring every load meets the exact specifications your project demands — whether it's a quiet residential street or a heavy-traffic arterial road.

CO
Locally Owned & Operated
24/7
Emergency Orders Available
100%
Spec-Compliant Materials
Asphalt production and aggregate materials
What We Offer

Materials that stand the test of time

From base courses to finish layers, our asphalt and aggregate products are engineered for Colorado's unique climate and terrain.

Hot Mix Asphalt

Premium HMA produced to exact specifications for roads, parking lots, and driveways. Available in multiple gradations for any application.

Aggregate Products

Crushed stone, gravel, and sand in a full range of sizes. Perfect for base courses, drainage, and structural fill applications.

Custom Specifications

Need something specific? We work with your project plans to produce asphalt mixes that meet your exact engineering requirements.

Delivery & Logistics

Reliable delivery across the Denver metro area. Our fleet ensures your materials arrive on time, every time — ready for placement.

Reconstruction Materials

Complete solutions for road and pavement reconstruction — from tear-off to overlay, we supply everything your crew needs.

Residential Driveways

Quality asphalt for private driveways and pathways. We work with homeowners and contractors to deliver the right mix for your project scale.

Aggregate stone materials
Freshly paved road surface
Construction site with asphalt materials
Paving equipment and materials
Our Standards

Every load, every time — no compromises

Colorado's freeze-thaw cycles and heavy traffic demand materials that perform. Our quality control process ensures every batch meets or exceeds specification — so your project stands strong through every season.

Colorado DOT Compliant
All products meet or exceed state Department of Transportation specifications.
Batch-by-Batch Testing
Rigorous quality checks at every stage — from raw material selection to final product.
Consistent Gradation
Uniform particle size distribution ensures predictable performance and durability.
Experienced Team
Our production staff brings decades of asphalt and aggregate industry expertise.
Ready to Get Started?

Let's talk about your next project

Whether you need a single load or a full production run, our team is ready to help you get the right materials for the job. Reach out today.

Contact Us

We're here when you need us

Have a question about our products or need a quote for your project? Give us a call or stop by our facility in Golden.

Our Location
19701 W Colfax Ave
Golden, CO 80401
Business Hours
Monday – Friday: 6:00 AM – 5:00 PM
Saturday – Sunday: Closed

Send Us a Message

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