ADUs are allowed in Portage CityTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Portage City, MI
Is your property eligible for an ADU?
# of Properties
36,040
Owner-occupied
81%
Zoning districts
19
Avg Home Value
$257,062
Median Lot Size
0.30 acres
Avg Income
$98,081
Residential Types:
36,040 housing units
2-3 Family
3%
Apts (4+ units)
94%
Other
4%
Zoning Districts:
36,317 parcels · 19 districts
R-1B
40%(14,379)
R-1A
23%(8,473)
R-1C
14%(5,181)
PD
11%(4,133)
Other
11%(4,151)
ADU Rules
What can you build in Portage City, MI?
Portage City, 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
Interior / Attached ADU Size Limits
- –Maximum size is the lesser of 900 sq ft or the principal dwelling’s total floor area
Detached ADU Size Limits
- –Maximum detached ADU size of 900 sq ft, but not more than the total square footage of the principal dwelling.
Owner Occupancy
- –Owner must live in either the ADU or principal residence.
Parking
- –1 space/ADU; ADU and principal residence must share the same driveway; designated parking area for both
Rental Restrictions
- –Short-term rentals (30 days or less) prohibited for the ADU; long-term rentals permitted.
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.
Kalamazoo County
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