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ADUs.

Steel ADU Buildings in Colorado

Accessory dwelling units — steel-framed, finish-ready living space

Home · Building Types · ADUs

Compact, finished, built to last
What We Build

Compact, finished, built to last

ADUs provide flexible living space that can serve as a guest house, rental unit, home office, or private living quarters for family members. Designed for comfort and efficiency, these smaller secondary structures are an increasingly popular way to add usable space and long-term value to a property.

Smaller buildings, fewer headaches
Why Steel for ADUs

Smaller buildings, fewer headaches

Steel structures offer a durable, stable, and low-maintenance baseline for ADUs, with the flexibility to support fully customized layouts — including interior framing, room configurations, and open-concept designs. With NatMar, you get access to multiple building systems and experienced guidance to ensure your ADU is designed efficiently and aligned with how you actually plan to use the space.

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Recent Builds

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Browse the ADUs Catalog

Flip through full-size renderings, floor plans, and configuration options. Use the document controls to download, print, or open the catalog fullscreen.

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