County · Oregon
ADU rules in Deschutes County
These are the primary sources for accessory dwelling unit regulations in Deschutes County: the county's own zoning code, planning department pages, and permit guides. Start here before talking to anyone: the rules below are what your permit reviewer will apply.
Unincorporated areas only
County zoning applies only outside city limits. If your property is inside a city or town, that municipality's own ADU ordinance governs instead, even though it sits within Deschutes County.
Find your city's rules in OregonADU regulations
- deschutes.orgOfficial sourceVerified July 2026https://www.deschutes.org/cd/page/accessory-dwelling-units-adus
- deschutescounty.municipalcodeonline.comOfficial sourceVerified July 2026Municipal Code §18.116.355 Residential Accessory Dwelling Units In The RR…https://deschutescounty.municipalcodeonline.com/book?type=ordinances#name=18.116.355_Residential_Accessory_Dwelling_Units_In_The_RR-10_And_MUA_Zones
Oregon statewide law also applies
Oregon sets baseline ADU rights at the state level. Where local rules are stricter than state law allows, state law usually wins, so both are worth reading.
See Oregon statewide rulesSpotted something outdated?
Zoning codes change. If a link is dead or Deschutes County has updated its ordinance, report it and we'll verify against the official source.
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