Whether you're building a backyard cottage, a private guest suite, a carriage house, or a flexible studio space, these Accessory Dwelling Unit (ADU) plans offer small-footprint designs with big impact. These plans are perfect for multigenerational living, rental income, or long-term flexibility.

Discover designs ranging from modern studio layouts to cozy cottage-style guest houses, all thoughtfully crafted to maximize space and function.

Explore our collection of ADUs, guest houses, and carriage house plans — designed to fit behind your main home or stand beautifully on their own.