ADUs are allowed in BandonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Bandon, OR
Is your property eligible for an ADU?
# of Properties
2,354
Owner-occupied
100%
Zoning districts
18
Avg Home Value
$434,683
Median Lot Size
0.19 acres
Avg Income
$53,384
Residential Types:
2,354 housing units
Apts (4+ units)
1%
Other
99%
Zoning Districts:
2,965 parcels · 18 districts
R1
44%(1,308)
CD-1
20%(592)
R2
10%(300)
C2
8%(229)
Other
18%(536)
ADU Rules
What can you build in Bandon, OR?
Bandon, 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 of 900 sq ft or 60% of the primary dwelling’s gross floor area, whichever is less; internal conversions of an entire level may exceed 900 sq ft.
Detached ADU Size Limits
- –Maximum size of 900 sq ft or 60% of the primary dwelling’s floor area, whichever is smaller
Parking
- –No off-street parking required for ADUs; for uses not listed, Planning Commission may set parking (if any) on the same parcel as the dwelling.
Rental Restrictions
- –ADUs prohibited as Vacation Rental Dwellings in all zones; ADUs prohibited on properties designated as Vacation Rental Dwellings; no minimum lease term specified. In R-1/R-2 zones, vacation rental dwellings are prohibited for any dwelling.
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.
Coos County