3D perspective of Dutch gable style one-car garage designAdaptive House Plans accessory or detached garages (as we prefer to call them), are stand alone detached 1,2,3 & 4 car garages available in a variety of plan layouts, roof styles and package options.

Many of the 12’x20′ garage plans are fast tracked to meet the rigors of larger cities for footprint and site coverage while each and every garage plan conforms to the 3.7m and overall height of 4.6m.

Find Your Perfect One Car-Garage Plan:

Browse our selection of detached garage blueprints and floor plan designs; each and every one of them is ready for immediate digital download via to PDF or original design files available via authentic Autodesk CAD file in .dwg format.

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CUBE – 12′ x 20′ Detached One-Car Garage


The CUBE – The contemporary garage designed for one-car parking on a 240sf footprint. Measuring 12′ x 20′, this modern styled one-car garage features vertical metal siding, modern windows & and a fully insulated flat roof.

Dutchie – 12′ x 20′ Detached One-Car Garage


The Dutchie 12 ‘x 20’ detached one-car garage is a character driven detached garage with a hand framed rafter roof. This Dutch roof garage makes for a very unique look and is one the reasons this garage design is a staff favorite!

Saltbox- 12′ x 20′ Detached One-Car Garage


The Saltbox – A 12′ x 20′ saltbox style one-car garage featuring a saltbox roof, modern design elements, fixed window ribbons along two sides, a vaulted roof with skylight and 200 square feet of finished interior floor space.