ADU (Accessory Dwelling Unit)

ADU plans sized for accessory dwelling unit builds β€” permit-ready structures designed to add livable square footage to an existing residential property as an in-law suite, rental income unit, guest quarters, or home office. Sizes range from 216 SF to 800+ SF, with efficient single-level and loft layouts built to standard wood frame construction. Every set includes a full drawing package β€” floor plans, elevations, sections, foundation plan, and electrical β€” ready to submit to your building department, with instant PDF download and CAD files available.

Looking for other cabin styles?

  • Cabins

    Our Architectural Plans include all standard construction drawings: plans, elevations, sections, foundation... 

    Cabins

  • Garages

    ADU garage plans designed for permit approval and standard construction β€” no... 

    Garages

  • DIY Cabins

    DIY Plans are step-by-step instructions on how to build the cabin or... 

    DIY Cabins

  • Lean Cottages

    Explore our Lean Cottage collection: architectural plans featuring the clean, contemporary shed... 

    Lean Cottages