ADUs are allowed in NorthfieldTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Northfield, MN
Is your property eligible for an ADU?
# of Properties
4,975
Owner-occupied
88%
Zoning districts
17
Avg Home Value
$378,785
Median Lot Size
0.25 acres
Avg Income
$99,233
Residential Types:
4,975 housing units
Single Family
4%
Other
96%
Zoning Districts:
5,838 parcels · 17 districts
N1
58%(3,406)
R1
22%(1,287)
N2
4%(235)
C1
4%(219)
Other
12%(691)
ADU Rules
What can you build in Northfield, MN?
Northfield, MN follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum size of 1,000 sq ft or 50% of the primary dwelling’s gross floor area, whichever is less
Detached ADU Size Limits
- –Maximum size of 1,000 sq ft or 50% of the primary dwelling’s gross floor area, whichever is less.
Max Units
- –Residential lots: 1 ADU per lot.
- –Church properties: 1 ADU per lot, up to 1,000 sq ft.
Owner Occupancy
- –Owner must reside on the property.
Parking
- –No minimum or maximum off-street parking required for ADUs (1–3 family dwellings); parking analysis may be required; church ADUs exempt.
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 Minnesota municipalities
Rules change at the town line. Check the municipality your property is actually in.
Dakota County