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2025
Oregon counties can now allow ADUs on rural lands not intended for farm or forest use because of recent state law changes. ADUs are small, separate units inside an existing home or located on the same lot as an existing home. We regularly receive requests for ADUs in the rural area. While ADUs have long been allowed in the Washington County’s urban area, they have not been allowed in the rural area.
Our issue paper explores the potential of allowing ADUs in rural unincorporated Washington County. The paper:
- Explains new state allowances for rural ADUs
- Identifies where rural ADUs could be allowed
Examines possible regulations and potential policy implications
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Contact(s)
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Community and Transportation Planning
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