ADUs are allowed in Cottage GroveTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Cottage Grove, MN
Is your property eligible for an ADU?
# of Properties
16,094
Owner-occupied
87%
Zoning districts
21
Avg Home Value
$439,375
Median Lot Size
0.27 acres
Avg Income
$129,444
Residential Types:
16,094 housing units
Single Family
89%
2-3 Family
2%
Apts (4+ units)
2%
Other
7%
Zoning Districts:
16,727 parcels · 21 districts
R3
74%(12,393)
R5
12%(2,048)
R4
4%(690)
R1
2%(351)
Other
7%(1,245)
ADU Rules
What can you build in Cottage Grove, MN?
Cottage Grove, MN 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: Conditional Use Permit
Detached ADU Size Limits
- –Detached ADUs are prohibited; maximum size is 0 sq ft.
Parking
- –ADU parking not listed; parking is determined by most similar use; single-family dwellings require 2 spaces per dwelling unit; garage conversions require replacement parking.
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.
Washington County