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Design ADU Guides

2 guides on design for ADU and DADU projects across the Puget Sound region.

Design

Basement ADU Conversions in Washington: Turning Below-Grade Space Into a Rentable Unit

A finished-out basement is one of the least disruptive ways to add an accessory dwelling unit — you already have the shell, the roof, and the foundation. But turning below-grade space into a legal, rentable unit hinges on a few specific code items that trip up most homeowners: ceiling height, egress, and a compliant separate entrance.

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Design

Garage Conversions: Maximizing Value in a Small Footprint

Not every ADU project requires building from the ground up. If you have a detached or attached garage that's mostly storing old bikes and holiday decorations, converting it into a livable accessory dwelling unit is one of the most cost-effective ways to add value, rental income, and usable space to your property.

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