OR · State directory
Oregon ADU rules
Official accessory dwelling unit regulations for 18 jurisdictions in Oregon, plus statewide law.
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
Beaverton2 sources · verified July 2026Bend2 sources · verified July 2026Clackamas2 sources · verified July 2026Corvallis2 sources · verified July 2026Eugene2 sources · verified July 2026Gladstone2 sources · verified July 2026Gresham1 source · verified July 2026Hillsboro4 sources · verified July 2026Lake Oswego2 sources · verified July 2026Medford3 sources · verified July 2026Oregon City4 sources · verified July 2026Portland2 sources · verified July 2026Salem4 sources · verified July 2026Scapoose1 source · verified July 2026Sherwood3 sources · verified July 2026Springfield4 sources · verified July 2026Tualatin1 source · verified July 2026
Counties & regions
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