

ADUs are allowed in RichfieldTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Richfield, MN
Is your property eligible for an ADU?
# of Properties
11,496
Owner-occupied
85%
Zoning districts
14
Avg Home Value
$389,479
Median Lot Size
0.22 acres
Avg Income
$98,018
Residential Types:
11,496 housing units
Single Family
1%
Apts (4+ units)
1%
Condos
8%
Other
90%
Zoning Districts:
11,857 parcels · 14 districts
R
81%(9,601)
PMR
8%(987)
PC-2
3%(383)
MU-C
2%(208)
Other
6%(678)
ADU Rules
What can you build in Richfield, MN?
Richfield, 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 800 sq ft or the gross floor area of the principal dwelling, whichever is less
Detached ADU Size Limits
- –Maximum size of 800 sq ft or the principal dwelling’s gross floor area, whichever is less
Max Units
- –R District and R-1 District: 1 ADU per lot (internal, attached, or detached).
Owner Occupancy
- –Owner must occupy at least one dwelling unit on the lot.
Parking
- –Min 3 off-street spaces; max not stated. Exceptions: converting garage space requires replacing lost parking (except space within garage beyond what is needed for two vehicles may be converted without replacement); detached ADU only within an approved accessory garage; parking-demand study modification allowed; no ADU-specific transit-based reduction.
Rental Restrictions
- –Rental license required for non-owner-occupied unit; no minimum/maximum lease terms or prohibitions on short-term rentals.
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.
Hennepin County