ADUs are allowed in RochesterTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Rochester, MN
Is your property eligible for an ADU?
# of Properties
38,108
Owner-occupied
93%
Zoning districts
23
Avg Home Value
$374,798
Median Lot Size
0.20 acres
Avg Income
$114,703
Residential Types:
38,108 housing units
Single Family
92%
2-3 Family
2%
Apts (4+ units)
3%
Other
3%
Zoning Districts:
43,197 parcels · 23 districts
R1
66%(28,658)
R2
17%(7,292)
R2X
4%(1,878)
R3
4%(1,823)
Other
8%(3,546)
ADU Rules
What can you build in Rochester, MN?
Rochester, 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: By Right
Interior / Attached ADU Size Limits
- –Maximum size of 1,000 sq ft
Detached ADU Size Limits
- –Maximum detached ADU size of 1,000 sq ft of floor area
- –Detached ADU size must not exceed the size of the primary structure
Max Units
- –1 ADU per lot
Owner Occupancy
- –Owner must occupy either the principal or ADU
Parking
- –No ADU-specific parking minimum or maximum; residential parking governed by Rochester Code §11-10; unlisted uses may be determined by the Community Development Director.
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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Is your property eligible for an ADU?
ADU rules in other Minnesota municipalities
Rules change at the town line. Check the municipality your property is actually in.
Olmsted County