ADUs are allowed in Forest LakeTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Forest Lake, MN
Is your property eligible for an ADU?
# of Properties
8,558
Owner-occupied
83%
Zoning districts
26
Avg Home Value
$438,167
Median Lot Size
0.36 acres
Avg Income
$108,753
Residential Types:
8,558 housing units
Single Family
83%
2-3 Family
7%
Apts (4+ units)
7%
Other
3%
Zoning Districts:
9,037 parcels · 26 districts
SF
41%(3,677)
MXR-1
24%(2,138)
RR
7%(662)
MXR-2
5%(462)
Other
23%(2,098)
ADU Rules
What can you build in Forest Lake, MN?
Forest Lake, 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 600 sq ft for an in-home apartment
Detached ADU Size Limits
- –Maximum detached ADU total floor area is 50% of the principal dwelling’s total floor area.
Max Units
- –1 per single-family dwelling unit
- –1 per eligible property
- –1 per property for a temporary care facility
Owner Occupancy
- –The ADU structure must be owner-occupied.
Parking
- –1 space/ADU; ADUs must use existing driveway (no second street access) and require at least one additional off-street space; accessory apartments may not have a separate curb cut; flexibility for affordable-housing developments.
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