OR · State directory
Oregon ADU rules
Official accessory dwelling unit regulations for 25 jurisdictions in Oregon, plus statewide law.
Not sure which city yet?
We have read the ordinances for 25 Oregon cities and lined them up side by side: detached vs internal, size limits, owner occupancy, and approval process.
Statewide ADU law
Oregon has state-level ADU legislation that applies across local jurisdictions. Local rules below may add requirements on top of state law.
Cities
Albany5 sources · verified August 2026Ashland5 sources · verified August 2026Beaverton5 sources · verified August 2026Bend6 sources · verified August 2026Corvallis4 sources · verified August 2026Eugene5 sources · verified August 2026Gladstone4 sources · verified August 2026Grants Pass5 sources · verified August 2026Gresham4 sources · verified August 2026Hillsboro5 sources · verified August 2026Lake Oswego4 sources · verified August 2026McMinnville5 sources · verified August 2026Medford4 sources · verified August 2026Milwaukie5 sources · verified August 2026Oregon City4 sources · verified August 2026Portland6 sources · verified August 2026Redmond4 sources · verified August 2026Salem4 sources · verified August 2026Scappoose4 sources · verified August 2026Sherwood4 sources · verified August 2026Springfield5 sources · verified August 2026Tigard6 sources · verified August 2026Tualatin4 sources · verified August 2026
Counties & regions
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