ADUs are allowed in BlaineTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Blaine, MN
Is your property eligible for an ADU?
# of Properties
24,357
Owner-occupied
86%
Zoning districts
31
Avg Home Value
$409,705
Median Lot Size
0.24 acres
Avg Income
$117,076
Residential Types:
24,357 housing units
Other
100%
Zoning Districts:
26,334 parcels · 31 districts
DF
42%(11,047)
R-1
36%(9,482)
R-1AA
5%(1,291)
R-3C
4%(1,082)
Other
13%(3,432)
ADU Rules
What can you build in Blaine, MN?
Blaine, 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 attached/internal ADU size is the lesser of 50% of the finished square footage of the primary residence or 960 sq ft in R-1, R-1A, R-1AA, R-1B, and DF, and the lesser of 50% or 1,200 sq ft in RE and FR.
Detached ADU Size Limits
- –Maximum detached ADU floor area is the lesser of 50% of the finished square footage of the primary residence and 960 sq ft (1,200 sq ft in RE and FR). Also limited by 25% of rear yard area and accessory footprint caps (not calculated).
Max Units
- –1 ADU per property total (single-family detached lots)
Owner Occupancy
- –Owner must occupy either the home or ADU
Parking
- –3 off-street spaces for the home and ADU together; direct access required; spaces may be garage or paved outside; driveway in front of a garage does not count; no max specified
Rental Restrictions
- –Cannot rent both the primary home and the ADU; at least one unit must be owner-occupied. Rentals by non-owner occupants require a rental license.
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.
Anoka County