Lean-Three is a three-volume home designed by architect Cavin Costello of The Ranch Mine. Located in Durango, Colorado, the house takes inspiration from the straightforward design of lean-to structures. It was designed for clients who enjoy outdoor activities, biking, and cooking.

Modern Ranch House Design
Lean-Three by The Ranch Mine responds to the gentle ascent of its clapboard-covered terrain, forming a harmonious connection with the surrounding landscape.
The American architecture studio led by Cavin and Claire Costello drew on the straightforward design of lean-to structures for this ranch house. Split into three main volumes, the building rises with the terrain, creating a graduated effect along the property and offering panoramic mountain views.
“Hugging the land, the house is slightly raised to follow its natural contours, guiding rain and snowmelt to the pond below,” The Ranch Mine said in a project statement. “A raised entrance is accessible via a ramp or steps.”
It was designed for clients who enjoy outdoor activities, biking, and cooking, and the interiors reflect the client’s personalities. “The house is tailored for those with robust flooring materials that invite outdoor shoes,” the studio said.

Refined Composition of Indivudal Volumes At The Adjacent Hill
Each of the three main volumes contains a living quarter: the garage and bike workshop, the great room, or the bedrooms.
The three main volumes of the house in...