Monthly Archives: September 2019

AADUs, DADUs, and What You Need to Know About Council Bill 119544

On July 1, Seattle legislation unanimously passed a bill proposed by Councilman Mike O’Brien concerning the construction of backyard cottages (detached accessory dwelling units, or DADUs) and basement units (attached accessory dwelling units, or AADUs) on single-family property. This legislation, Council Bill 119544, aims to remove barriers that previously made constructing these units difficult, and…
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