ADUs are allowed in BurnsTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Burns, OR
Is your property eligible for an ADU?
# of Properties
1,543
Owner-occupied
49%
Zoning districts
7
Avg Home Value
$89,919
Median Lot Size
0.21 acres
Avg Income
$39,871
Residential Types:
1,543 housing units
Single Family
22%
Apts (4+ units)
1%
Other
77%
Zoning Districts:
1,812 parcels · 7 districts
SFR-4
70%(1,260)
GC
23%(408)
I
4%(75)
MFR
3%(63)
Other
0%(6)
ADU Rules
What can you build in Burns, OR?
Burns, 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 size for an internal (in-home) accessory dwelling unit is 900 square feet.
Detached ADU Size Limits
- –Maximum 900 square feet of floor area for a detached accessory dwelling unit (applies citywide, including OS).
Max Units
- –1 ADU per legal lot (detached, attached, or internal) for SFR-4, SFR-7, MFR, and OS.
- –0 ADUs on duplex or multifamily lots; 0 ADUs in GC, BP, and I.
- –4 dwelling units per 10 acres total density (including ADUs) in OS.
Owner Occupancy
- –No owner-occupancy requirement.
Parking
- –2 off-street spaces for a site with an ADU; no extra spaces for a single ADU on a parcel; Downtown Core Overlay has no minimum; reductions via Type II parking demand analysis or shared parking; spaces must be on an improved all-weather surface.
Rental Restrictions
- –Short-term rentals in residential zones are limited to one per block and require a City business license; Short-term rentals in Open Space are prohibited.
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.
Harney County