This Denver ADU project was designed and built within a landmark context and presented unique site challenges, including extremely sandy soil conditions. Through a coordinated design-build approach, Prenvalley Builders engineered a durable foundation solution and carefully executed construction on a tight urban lot. The result is a thoughtfully integrated accessory dwelling unit built for long-term performance and compatibility with its surroundings.

This garage ADU in Denver was built on a narrow urban lot with significant site constraints, requiring careful planning and execution throughout construction. Prenvalley Builders delivered a two-car garage with a studio, one-bedroom apartment, rooftop deck, and solar array—maximizing livability and long-term value despite challenging logistics.

A thoughtfully designed detached ADU built to provide comfortable, independent living within a compact footprint. This Denver backyard ADU showcases Prenvalley Builders’ ability to deliver efficient planning, durable construction, and a fully functional home that supports everyday living while fitting seamlessly into the existing property.

This detached backyard ADU in Colorado Springs marked Prenvalley Builders’ first accessory dwelling unit project and the beginning of their ADU expertise. Designed as a compact cottage, the home features an efficient layout with a full kitchen, bathroom, bedroom, and in-unit laundry. The project established a strong foundation for Prenvalley’s refined approach to thoughtful, high-quality ADU construction.