Accessory Dwelling Unit (ADU) Rules for Unincorporated Eaton, MI

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ADU Rules

What can you build in Unincorporated Eaton, MI?

Unincorporated Eaton, 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 of 720 sq ft for an internal/attached ADU

Detached ADU Size Limits

–Maximum detached accessory dwelling unit size of 720 sq ft

Max Units

–1 ADU per parcel, whether attached or detached

Owner Occupancy

–Principal dwelling must be owner-occupied

Parking

–2 spaces per ADU; no ADU-specific waivers; follow countywide Article 10 standards (on same or adjacent lot, space and dimension requirements).

Rental Restrictions

–Renting to unrelated tenants (including short-term/vacation rentals) is not permitted; ADU may only house a relative or domestic employee of the owner-occupied dwelling.

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.

Eaton County

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