2 vetted ADU and DADU builders serving Auburn and the surrounding Puget Sound area. Compare ratings, price ranges, and specialties, then request free quotes.
Auburn, in south King County, is one of the region's faster-growing suburbs, where larger lots often leave room for a detached ADU. Under Washington's HB 1337, accessory dwelling units are now permitted on most residential lots statewide with no owner-occupancy requirement, opening the door for rental income or family housing. Compare the Auburn-area builders below and request free quotes.
Quality and reliable ADU contractor serving greater Bellevue and King County. Free estimates. Covers wide service area across Eastside.
Washington State general contractor founded in 2000. Expert DADU builders in the Seattle area. Broad range of construction services.
Yes. Auburn's larger south-King-County lots often have room for a detached DADU, and HB 1337 now permits accessory dwelling units on most residential lots statewide with no owner-occupancy requirement.
ADU permits in Auburn are handled by the City of Auburn's Community Development / Permit Center. Nearby properties in unincorporated King County fall under King County permitting instead.
Cost depends on unit type, size, and site work such as utility hookups. See our Washington ADU cost guide for current ranges, then compare free quotes from the Auburn-area builders above.