ADUs are allowed in McMinnvilleTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for McMinnville, OR
Is your property eligible for an ADU?
# of Properties
9,856
Owner-occupied
70%
Zoning districts
18
Avg Home Value
$527,224
Median Lot Size
0.18 acres
Avg Income
$83,603
Residential Types:
9,856 housing units
Single Family
84%
2-3 Family
2%
Apts (4+ units)
2%
Other
12%
Zoning Districts:
10,808 parcels · 18 districts
R-2
41%(4,437)
R-1
20%(2,165)
R-4
15%(1,623)
R-3
11%(1,212)
Other
13%(1,371)
ADU Rules
What can you build in McMinnville, OR?
McMinnville, OR follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum ADU size: R-1 up to 50% of the primary dwelling (excluding garage) or 1,000 sq ft, whichever is less; R-2/R-3 up to 40% or 800 sq ft, whichever is less.
Detached ADU Size Limits
- –Maximum size of 40% of the primary dwelling or 800 sq ft, whichever is less (garage excluded).
Owner Occupancy
- –Owner must reside on site within the primary dwelling unit.
Parking
- –0 spaces/ADU; no additional off-street parking required (all ADU types)
Rental Restrictions
- –Short-term rentals: max 30 days per stay.
- –Resident-occupied STR requires on-site full-time resident; up to 2 guest rooms and 5 travelers; permits non-transferable and renewed annually.
- –Non-resident STR cannot be within 200 feet of another STR or on the same property; owner/contact must reside in 97128; permits non-transferable and annually renewed.
ADU State Law
What can you build in Oregon?
- –In urban growth areas, Oregon law requires cities and counties to allow at least one ADU on lots zoned for detached single-family homes.
- –Local jurisdictions cannot require owner occupancy for ADUs, but may regulate short-term or vacation rentals.
- –There are no statewide limits on ADU size, height, setbacks, lot size, or floor area ratio. Local zoning rules apply.
- –Parking requirements, if any, are set by the local jurisdiction, subject to state limitations.
- –Some cities may allow more than one ADU per lot, depending on local code.
- –Oregon law does not require counties to allow ADUs in rural residential zones. Whether an ADU is allowed depends on county zoning.
- –ADUs in rural residential areas cannot be used for short-term or vacation rentals.
- –Additional requirements may apply related to wildfire risk, water supply, septic capacity, and fire access.
- –Counties may impose additional restrictions beyond state law or choose not to allow ADUs at all.
- –If a county allows ADUs, state law imposes strict limits, including a minimum 2-acre lot size, a maximum ADU size of 900 sq ft, a location within 100 ft of the primary dwelling, and a limit of one ADU per parcel.
What's allowed on your lot?
These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.
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ADU rules in other Oregon municipalities
Rules change at the town line. Check the municipality your property is actually in.
Yamhill County