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 custom two-story ADU in Denver was designed and built in partnership with the Denver Housing Authority as part of the West Denver Renaissance Collaborative. Built above a garage with exterior stair access, the project delivers durable, high-performance housing while demonstrating how thoughtful ADU design can support neighborhood density, long-term livability, and citywide housing goals.

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.

This Denver home addition thoughtfully expands a historic Tudor-style residence with a modern, high-performance extension. Prenvalley Builders managed the project from structural foundation through exterior envelope, carefully navigating zoning requirements, bulk plane limitations, and precise tie-ins to the existing brick home. The result is a seamless blend of old and new that adds meaningful square footage while maintaining architectural integrity and long-term durability.

This design-build ADU showcases how thoughtful planning can deliver a large, flexible living space within Denver’s urban zoning constraints. With a two-story layout, integrated garage, and adaptable work areas, the project balances square footage, performance, and cost-conscious decision-making. It stands as one of Prenvalley Builders’ largest ADUs to date, designed to support long-term use and evolving needs.

This compact Denver ADU was constructed by Prenvalley Builders as an efficient, small-footprint backyard residence. Built on a helical pier foundation to reduce site impact and control costs, the project required thoughtful sequencing, precision framing, and careful coordination to maximize usable space. The result is a durable, well-built accessory dwelling unit designed to perform efficiently within a tight urban lot.

This cost-effective garage ADU in northwest Denver was designed and built to create flexible living space and long-term rental potential. Prenvalley Builders delivered an efficient layout with durable, rental-ready finishes, maximizing comfort and functionality within a compact footprint.

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 Denver garage project replaced an existing undersized structure with a new 2.5-car detached garage designed for long-term storage and everyday functionality. The scope included full demolition, a new concrete foundation, and an engineered roof system that allows for integrated attic storage. Thoughtful planning and durable construction ensure the garage fits naturally within the lot while providing significantly improved usability.

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.

This custom mobile tiny home showcases Prenvalley Builders’ ability to deliver high-quality craftsmanship within a compact, trailer-mounted footprint. Designed for durability, mobility, and everyday comfort, the home features thoughtful layouts, efficient systems, and materials chosen to perform well in small-space living.