

ADUs are allowed in OwatonnaTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Owatonna, MN
Is your property eligible for an ADU?
# of Properties
9,005
Owner-occupied
68%
Zoning districts
21
Avg Home Value
$301,518
Median Lot Size
0.25 acres
Avg Income
$92,358
Residential Types:
9,005 housing units
Single Family
92%
2-3 Family
1%
Apts (4+ units)
2%
Other
5%
Zoning Districts:
10,871 parcels · 21 districts
R-1
65%(7,069)
R-3
10%(1,082)
B-2
5%(524)
R-6
4%(455)
Other
16%(1,741)
ADU Rules
What can you build in Owatonna, MN?
Owatonna, 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: Not permitted
Interior / Attached ADU Size Limits
- –Maximum ADU size is 30% of the primary dwelling’s total floor area within a single-family home.
Max Units
- –0 per lot for duplex, multifamily, and detached
- –Single-family: none specified
Parking
- –No ADU-specific minimum; general rule is two parking spaces per unit citywide; ADUs must be internal to a single-family dwelling; detached ADUs prohibited; no ADU-specific waivers or transit-based reductions.
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.
Check my propertyHow can we help you?
Get matched with trusted local builders
Understand what's allowed on your property
Learn the key rules and size limits for ADUs