(a) "Accessory dwelling unit" has the meaning given that term in ORS 215.501.
(b) "Area zoned for rural residential use" has the meaning given that term in ORS 215.501.
(c) "Single-family dwelling" has the meaning given that term in ORS 215.501.
(2) Consistent with a county’s comprehensive plan, a county may allow an owner of a lot or parcel within an area zoned for rural residential use to construct one accessory dwelling unit on the lot or parcel, provided:
(a) The lot or parcel is not located within an area designated as an urban reserve as defined in ORS 195.137;
(b) The lot or parcel is at least two acres in size;
(c) One single-family dwelling is sited on the lot or parcel;
(d) The existing single-family dwelling property on the lot or parcel is not subject to an order declaring it a nuisance or subject to any pending action under ORS 105.550 to 105.600;
(e) The accessory dwelling unit will comply with all applicable laws and regulations relating to sanitation and wastewater disposal and treatment;
(f) The accessory dwelling unit will not include more than 900 square feet of useable floor area;
(g) The accessory dwelling unit will be located no farther than 100 feet from the existing single-family dwelling;
(h) If the water supply source for the accessory dwelling unit or associated lands or gardens will be a well using water under ORS 537.545 (1)(b) or (d), no portion of the lot or parcel is within an area in which new or existing ground water uses under ORS 537.545 (1)(b) or (d) have been restricted by the Water Resources Commission;
(i) No portion of the lot or parcel is within a designated area of critical state concern;
(j) The lot or parcel is served by a fire protection service provider with professionals who have received training or certification described in ORS 181A.410;
(k) The lot or parcel and accessory dwelling unit comply with rules of the State Board of Forestry under ORS 477.015, 477.025 and 477.027;
(L) Statewide wildfire risk maps have been approved and the accessory dwelling unit complies with the Oregon residential specialty code relating to wildfire hazard mitigation for the mapped area; and
(m) The county has adopted land use regulations that ensure that:
(A) The accessory dwelling unit has adequate setbacks from adjacent lands zoned for resource use;
(B) The accessory dwelling unit has adequate access for firefighting equipment, safe evacuation and staged evacuation areas; and
(C) If the accessory dwelling unit is not subject to ORS 477.015, 477.025 and 477.027, the accessory dwelling unit has defensible space and fuel break standards as developed in consultation with local fire protection service providers.
(3) A county may not allow an accessory dwelling unit allowed under this section to be used for vacation occupancy, as defined in ORS 90.100.
(4) A county that allows construction of an accessory dwelling unit under this section may not approve:
(a) A subdivision, partition or other division of the lot or parcel so that the existing single-family dwelling is situated on a different lot or parcel than the accessory dwelling unit.
(b) Construction of an additional accessory dwelling unit on the same lot or parcel.
(5) A county may require that an accessory dwelling unit constructed under this section be served by the same water supply source or water supply system as the existing single-family dwelling, provided such use is allowed for the accessory dwelling unit by an existing water right or a use under ORS 537.545. If the accessory dwelling unit is served by a well, the construction of the accessory dwelling unit shall maintain all setbacks from the well required by the Water Resources Commission or Water Resources Department.
(6) An existing single-family dwelling and an accessory dwelling unit allowed under this section are considered a single unit for the purposes of calculating exemptions under ORS 537.545 (1).
(7) Nothing in this section requires a county to allow any accessory dwelling units in areas zoned for rural residential use or prohibits a county from imposing any additional restrictions on accessory dwelling units in areas zoned for rural residential use, including restrictions on the construction of garages and outbuildings that support an accessory dwelling unit. [2021 c.396 §2]
Structure 2021 Oregon Revised Statutes
Volume : 06 - Local Government, Public Employees, Elections
Chapter 215 - County Planning; Zoning; Housing Codes
Section 215.010 - Definitions.
Section 215.020 - Authority to establish county planning commissions.
Section 215.030 - Membership of planning commission.
Section 215.042 - Planning director.
Section 215.044 - Solar access ordinances; purpose; standards.
Section 215.050 - Comprehensive planning, zoning and subdivision ordinances; copies available.
Section 215.130 - Application of ordinances and comprehensive plan; alteration of nonconforming use.
Section 215.135 - Expansion of nonconforming school in exclusive farm use zone.
Section 215.185 - Remedies for unlawful structures or land use.
Section 215.203 - Zoning ordinances establishing exclusive farm use zones; definitions.
Section 215.211 - Agricultural land; detailed soils assessment; fee.
Section 215.212 - Soils Assessment Fund; purposes.
Section 215.215 - Reestablishment of nonfarm use.
Section 215.223 - Procedure for adopting zoning ordinances; notice.
Section 215.236 - Nonfarm dwelling in exclusive farm use zone; qualification for special assessment.
Section 215.239 - Siting of agri-tourism event or activity.
Section 215.243 - Agricultural land use policy.
Section 215.247 - Transport of biosolids to tract of land for application.
Section 215.249 - Division of land for application of biosolids.
Section 215.251 - Relationship to other farm uses.
Section 215.253 - Restrictive local ordinances affecting farm use zones prohibited; exception.
Section 215.255 - Farm product processing facility; conditions.
Section 215.262 - Legislative findings related to nonfarm dwellings.
Section 215.263 - Land divisions in exclusive farm use zones; criteria for approval; rules.
Section 215.265 - Land divisions; limiting certain causes of action.
Section 215.276 - Required consultation for transmission lines to be located on high-value farmland.
Section 215.278 - Accessory dwellings for farmworkers; rules.
Section 215.279 - Farm income standard for dwelling in conjunction with farm use.
Section 215.282 - Dwellings in conjunction with commercial dairy farm; rules.
Section 215.283 - Uses permitted in exclusive farm use zones in nonmarginal lands counties; rules.
Section 215.294 - Railroad facilities handling materials regulated under ORS chapter 459 or 466.
Section 215.297 - Verifying continuity for approval of certain uses in exclusive farm use zones.
Section 215.298 - Mining in exclusive farm use zone; land use permit.
Section 215.299 - Policy on mining resource lands.
Section 215.301 - Blending materials for cement prohibited near vineyards; exception.
Section 215.304 - Rule adoption; limitations.
Section 215.306 - Conducting filming activities in exclusive farm use zones.
Section 215.312 - Public safety training facility.
Section 215.316 - Termination of adoption of marginal lands.
Section 215.317 - Permitted uses on marginal land.
Section 215.327 - Divisions of marginal land.
Section 215.401 - Preapplication process for land use approval of disposal site for composting.
Section 215.402 - Definitions for ORS 215.402 to 215.438 and 215.700 to 215.780.
Section 215.412 - Adoption of hearing procedure and rules.
Section 215.417 - Time to act under certain approved permits; extension.
Section 215.418 - Approval of development on wetlands; notice.
Section 215.425 - Review of decision relating to aggregate resources.
Section 215.427 - Final action on permit or zone change application; refund of application fees.
Section 215.431 - Plan amendments; hearings by planning commission or hearings officer; exceptions.
Section 215.435 - Deadline for final action by county on remand of land use decision; exception.
Section 215.439 - Solar energy systems in residential or commercial zones.
Section 215.445 - Use of private property for mobile medical clinic.
Section 215.446 - Renewable energy facility; application; standards; notices.
Section 215.447 - Photovoltaic solar power generation facilities on high-value farmland.
Section 215.448 - Home occupations; parking; where allowed; conditions.
Section 215.449 - Farm brewery; conditions; permissible uses; reporting.
Section 215.451 - Cider business; conditions; permissible uses; reporting.
Section 215.452 - Winery; conditions; permissible uses.
Section 215.453 - Large winery; conditions; permissible uses.
Section 215.454 - Lawful continuation of certain winery-related uses or structures.
Section 215.456 - Siting winery as commercial activity in exclusive farm use zone.
Section 215.457 - Youth camps allowed in forest zones and mixed farm and forest zones.
Section 215.459 - Private campground in forest zones and mixed farm and forest zones; yurts; rules.
Section 215.461 - Guest ranch; conditions; permissible uses; reporting.
Section 215.462 - Limitations on guest ranch.
Section 215.495 - Accessory dwelling units in rural residential zones.
Section 215.513 - Forwarding of notice to property purchaser.
Section 215.606 - Standards for clustered mailboxes in county roads and rights-of-way.
Section 215.615 - Application and contents of housing ordinances.
Section 215.700 - Resource land dwelling policy.
Section 215.705 - Dwellings in farm or forest zone; criteria; transferability of application.
Section 215.710 - High-value farmland description for ORS 215.705.
Section 215.720 - Criteria for forestland dwelling under ORS 215.705.
Section 215.730 - Additional criteria for forestland dwelling under ORS 215.705.
Section 215.740 - Large tract forestland dwelling; criteria; rules.
Section 215.750 - Alternative forestland dwelling; criteria.
Section 215.755 - Other forestland dwellings; criteria.
Section 215.757 - Accessory dwellings supporting family forestry; conditions.
Section 215.760 - Agricultural buildings on land zoned for forest use or mixed farm and forest use.
Section 215.780 - Minimum lot or parcel sizes; land division to establish a dwelling; recordation.
Section 215.785 - Exception to minimum lot or parcel sizes.
Section 215.788 - Legislative review of lands zoned for farm and forest use; criteria.
Section 215.794 - Review of county rezoning designations; rules.
Section 215.799 - Location of dwellings on wildlife habitat land.