ADUs are allowed in Highland TownshipTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Highland Township, MI
Is your property eligible for an ADU?
# of Parcels
7,810
Zoning districts
14
Avg Parcel Value
$178,434
Median Parcel Size
0.55 acres
Zoning Districts:
7,771 parcels · 14 districts
LV
56%(4,355)
R1.5
15%(1,183)
ARR
13%(1,019)
R3
8%(638)
Other
7%(576)
ADU Rules
What can you build in Highland Township, MI?
Highland 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: Not permitted
Interior / Attached ADU Size Limits
- –Single-family districts: maximum ADU size of 25% of the principal building’s gross floor area
- –Single-family districts: ADU also capped by owner’s 1,500 sq ft minimum in the principal building (GFA minus 1,500 sq ft)
- –Office/commercial districts: maximum ADU size of 50% of the building’s gross floor area (Special Land Use approval required)
Max Units
- –1 ADU per lot in SF districts; must be within the principal building (detached ADUs prohibited).
- –OS/C-1/C-2/C-3, RM, HS: no numerical maximum specified.
Owner Occupancy
- –Owner must occupy the principal dwelling as primary residence
Parking
- –4 off-street spaces required; no fixed max (over 20% above min requires Planning Commission approval). Spaces may be in a parking strip, driveway, garage, or a combination on the premises they serve.
Rental Restrictions
- –Detached ADUs prohibited; renting them is not permitted.
- –Non-residential districts: short-term rentals limited to units existing before 1/1/2024; requires Rental Certification and one off-street parking per bedroom.
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.
Oakland County
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