ADUs are allowed in Ontwa TownshipTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Ontwa Township, MI
Is your property eligible for an ADU?
# of Properties
3,462
Owner-occupied
64%
Zoning districts
5
Avg Home Value
$155,940
Median Lot Size
0.50 acres
Avg Income
$74,155
Residential Types:
3,462 housing units
Single Family
5%
2-3 Family
2%
Apts (4+ units)
79%
Other
13%
Zoning Districts:
445 parcels · 5 districts
R1
73%(324)
SC
16%(70)
RC
7%(33)
R3
4%(16)
Other
0%(2)
ADU Rules
What can you build in Ontwa Township, MI?
Ontwa Township, MI 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
Detached ADU Size Limits
- –Maximum detached ADU size by right in AR, R-1A, R-1, R-2, and L-R: up to 768 sq ft, or up to 2.5% of lot area if higher, but no more than 3,500 sq ft on lots over 140,000 sq ft.
- –With a special land use permit on lots over 140,000 sq ft in AR, R-1A, R-1, R-2, and L-R, the maximum may exceed 3,500 sq ft up to 2.5% of lot area.
Owner Occupancy
- –Owner must occupy either the principal dwelling or the ADU
Parking
- –1 space/ADU; max none stated; dustless off-street on the same lot; Planning Commission may adjust under Sec. 19.01.03.
Rental Restrictions
- –Short-term rentals prohibited for both the principal dwelling and the ADU.
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 Michigan municipalities
Rules change at the town line. Check the municipality your property is actually in.
Cass County