Adu 315 is a two-story carriage house plan providing 640 square feet of heated living area, designed specifically for versatility as an accessory dwelling unit. With a 30-foot width and 26-foot depth, this structure occupies a compact footprint that fits efficiently on diverse property configurations. The design pairs a ground-level garage with a self-contained residential unit, making it a viable option for guest quarters, rental income, or a private home studio.
The second-floor living space is organized to prioritize efficiency, featuring a primary suite equipped with a full bathroom and convenient laundry access integrated directly into the closet. The layout maintains an open-concept feel, allowing the 640 square feet of living space to accommodate essential daily needs without unnecessary partition walls. This level is designed for maximum utility, ensuring that the residential footprint remains both practical and comfortable for occupants.
Vertical volume is defined by consistent 8-foot ceiling heights on the second floor, which provide a standard vertical clearance throughout the living quarters. The structure reaches a maximum building height of 22 feet 3 inches and features an 8:12 roof pitch, contributing to a traditional exterior profile that complements existing main dwellings. The building is constructed to balance vertical scale with a manageable total height.
The ground level is dedicated to a 780 square foot 2-car garage, offering ample space for vehicle parking, storage, or a workshop area. The garage features a 9-foot ceiling height, providing vertical clearance for taller vehicles or overhead storage systems. This configuration ensures that the primary residential functions remain isolated from the garage utility space, maintaining a clean separation between the two zones.
Key Features: 1 bedroom, 1 bathroom, 640 sq ft living area, 780 sq ft 2-car garage, accessory dwelling unit, 8-foot ceiling height, 8:12 roof pitch, primary suite with laundry access, 22-foot 3-inch building height, detached carriage house design.
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