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ADU is an RMLS keyword on a house, not a property type. 763 active listings on this board — 608 in Oregon, 155 in Washington. Most sit in Multnomah, Clark, and Clackamas.
How To Use This Guide
Coverage
2 States
Oregon and Washington houses tagged ADU on this RMLS board.
Active ADUs
763
608 Oregon, 155 Washington — counted 2026-08-31.
Filter
Keywords=ADU
Not a property type. Guest-quarters codes are not this search.
Start with every ADU listing if you want the real book. Oregon holds most of it. Drop to Multnomah, Clark, or Clackamas when you already know the county. The keyword means the listing agent checked ADU — confirm the unit is permitted and still on the lot.
RMLS files accessory dwellings as the keyword ADU — not a Repliers property type or style. The Features checkbox, NLP, and saved search all send keywords=ADU. Searching a type or style named ADU will not find this book.
608 of 763 active ADU listings are in Oregon. Multnomah has 212, Clark 98, Clackamas 95. Washington County Oregon, Lane, Marion, and Cowlitz are the next pockets. Start statewide, then drop to the county that actually has inventory.
GSTQTR, SEPLVQT, and 2ND-RES exist on the MLS but are not wired in this search. NLP matches ADU or accessory dwelling — in-law and granny-flat remarks do not. These CTAs stay on keywords=ADU only.
Each shortcut already sets keywords=ADU and state. Tighten city, price, or map on the results page.
Every active house tagged ADU in Oregon and Washington. 763 listings counted 2026-08-31.
Search ADU Listings608 listings. Multnomah, Clackamas, and Washington County hold most of it.
Search Oregon ADUs155 listings. Clark has 98; Cowlitz 29.
Search Washington ADUs212 listings — the largest county slice on this board.
Multnomah ADUs98 listings — the Washington side of the metro book.
Clark ADUs95 listings on the Oregon metro edge.
Clackamas ADUsGet Alerts
Open the search first, then save it to your Client Platform when you want alerts for new Pacific Northwest ADUs.
Oregon holds most of the book. Washington is thinner — Clark first, then Cowlitz.
608 of 763 ADU listings. Multnomah holds 212; Clackamas 95; Washington County 62. Lane and Marion are the next valley pockets.
View Oregon ADU Guide
155 ADU listings on this board. Clark has 98; Cowlitz 29. The rest is a thin remainder across other Washington MLS areas.
View Washington ADU GuideExplore More
BCRE works Oregon and Washington ADU listings under one roof — from a Multnomah house with a backyard unit to a Clark County accessory dwelling.
