40003 Garage Apartment provides 540 square feet of heated living area, utilizing a 40-foot by 24-foot footprint to maximize site efficiency. This carriage house plan serves as a versatile ADU or rental income property, featuring a compact two-story configuration that separates utility from residential space.

The second floor contains 540 square feet of finished living space, including a private bedroom, a full bathroom, and a keeping room. With 8-foot ceiling heights throughout the upper level, the layout maintains a consistent vertical scale that optimizes floor area for a live-work setup or guest accommodations.

The ground level is dedicated to an expansive 864 square foot garage with a 3-car capacity. This space supports various applications, such as a workshop or storage area, making it a robust solution for homeowners requiring additional hobby space. The garage level features 8-foot ceiling heights, ensuring adequate clearance for vehicle housing or workspace equipment.

Architectural specifications include a 12:12 roof pitch that contributes to a 23-foot 1-inch maximum building height. This steep roof geometry provides a classic carriage house aesthetic while allowing for the efficient second-floor living arrangement. The structure is designed to integrate into existing properties with a modest 40-foot width requirement.

Key Features: 540 sq ft living area, 864 sq ft 3-car garage, 1 bedroom, 1 full bathroom, 1 kitchen, 12:12 roof pitch, 23-foot 1-inch maximum building height, 8-foot ceiling heights, carriage house design, ADU configuration.

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