Portland
Portland ADU rules use city permit guidance plus zoning and site constraints.
HighOfficial source path
Oregon
Oregon ADUAllowed checks.
Use a connected city page or enter an address. Official local sources remain final.
Quick answer
Oregon ADUAllowed coverage starts with local official sources and connected city pages.
State source posture
Local official sources
A useful ADU answer needs parcel facts: zoning, building type, unit count, lot constraints, utilities, and local ADU rules.
Salem
Salem, OR ADU checks route through official city planning, zoning, building, or development-services sources before relying on lot-level eligibility.
HighOfficial source path
Eugene
Eugene, OR ADU checks route through official city planning, zoning, building, or development-services sources before relying on lot-level eligibility.
HighOfficial source path
Gresham
Gresham, OR ADU checks route through official city planning, zoning, building, or development-services sources before relying on lot-level eligibility.
HighOfficial source path
Hillsboro
Hillsboro, OR ADU checks route through official city planning, zoning, building, or development-services sources before relying on lot-level eligibility.
HighOfficial source path
Bend
Bend, OR ADU checks route through official city planning, zoning, building, or development-services sources before relying on lot-level eligibility.
HighOfficial source path
Beaverton
Beaverton, OR ADU checks route through official city planning, zoning, building, or development-services sources before relying on lot-level eligibility.
HighOfficial source path
Medford
Medford, OR ADU checks route through official city planning, zoning, building, or development-services sources before relying on lot-level eligibility.
HighOfficial source path
Corvallis
Corvallis, OR ADU checks route through official city planning, zoning, building, or development-services sources before relying on lot-level eligibility.
HighOfficial source path
Springfield
Springfield, OR ADU checks route through official city planning, zoning, building, or development-services sources before relying on lot-level eligibility.
HighOfficial source path
Tigard
Tigard, OR ADU checks route through official city planning, zoning, building, or development-services sources before relying on lot-level eligibility.
HighOfficial source path
Albany
Albany, OR ADU checks route through official city planning, zoning, building, or development-services sources before relying on lot-level eligibility.
HighOfficial source path
Cite this page
Use this page as a public web reference, not an official agency record. The linked official source remains the final authority.
ADUAllowed. "Oregon ADUAllowed | Official Source Routes". https://www.aduallowed.com/states/or/. Reviewed Jul 2026.
Source and citation notes