Roost Homes LLC: ADU Design and Build Services in Portland
Roost Homes LLC is a Portland-based contractor specializing in new accessory dwelling units (ADUs), home additions, and remodels. They work with clients from the initial concept through to project completion, regardless of the scale involved. Their services span design, construction, and renovation, with a focus on creating spaces that are comfortable, functional, and energy-efficient.
On the design side, Roost Homes LLC offers support across the full project lifecycle — from early conceptual layouts to interior execution. For construction, they have completed over a dozen new builds in the Portland area. Their remodeling work ranges from single-room refreshes to full-scale renovations, with an emphasis on improving both functionality and long-term value.
Completed ADU Projects
Roost Homes LLC has built a range of accessory dwelling units across the Portland metro area, each tailored to the specific needs of the client and site. A few examples illustrate the variety of their work as an ADU builder:
- Detached ADU with Southern Orientation (800 sq ft): This 1.5-story, 2-bedroom/1.5-bathroom detached ADU was designed to complement the historical character of the existing main house. Built for a couple relocating to live with their daughter, the unit features bright colors and generous glazing to take advantage of natural light. It includes a high-efficiency ductless heat pump, a Panasonic Energy Recovery Ventilator (ERV), Milgard windows with a U-factor of 0.28, solid oak tongue-and-groove floors, and classic hex tile in the bathrooms.
- Garage Conversion ADU (576 sq ft): This project involved converting an existing alleyway garage into a one-bedroom, one-bathroom home, with a small addition to reach 576 square feet. The unit includes laundry and storage, and was completed in partnership with a local non-profit to serve as a long-term affordable rental for a person with disabilities. It features the same high-efficiency mechanical package, including a Mitsubishi heat pump rated at 10.1 HSPF and a Panasonic ERV.
- Modern Detached ADU Replacing Old Garage (800 sq ft): An old garage was removed and replaced with a clean, 1.5-story detached ADU intended as an affordable long-term rental on Portland's inner East side. The design makes use of cost-effective finish materials such as concrete and finished plywood flooring. Three sliding glass doors connect the main living area to the exterior, and an Ikea kitchen was selected for efficient use of limited space.
- Two-Story ADU with Vaulted Ceilings (800 sq ft): Developed in collaboration with an architect, this two-story, 1-bedroom/1-bathroom accessory dwelling unit features vaulted ceilings and an open layout designed to make the space feel larger than its footprint. Highlights include exposed fir beams, tongue-and-groove fir ceilings, custom built-in cabinetry, steel cable handrails, and an accent wall made from ship-lap paneling salvaged from the original garage. The unit also includes a high-efficiency ductless heat pump and an upgraded insulation package.
Energy Efficiency and Build Quality
Across their ADU projects, Roost Homes LLC consistently incorporates energy-efficient systems and building practices. Common features include high-efficiency ductless heat pumps, upgraded insulation and air sealing, low U-factor windows, and continuously operating fresh air ventilation systems with heat recovery. These choices reflect an approach to building that prioritizes long-term comfort and reduced operating costs for occupants.
Whether working on a new detached ADU, a garage conversion, or a full home remodel, Roost Homes LLC brings hands-on experience with the specific requirements of building in the Portland area, including navigating local regulations and site constraints.
