ADU & Backyard Cottage Builders in Everett, WA

In Everett, Snohomish County, you can now build two ADUs on any single-family lot under Washington's HB 1337 (2023) — with no owner-occupancy requirement, no off-street parking mandate on smaller lots, and DADUs allowed up to 1,000 sq ft.

Everett falls under HB 1337's two-ADU-per-lot rule and no owner-occupancy requirement. With Boeing and the new light rail extension, ADU rental demand continues to climb.