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ADUs are allowed in St James Township
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for St James Township, MI

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# of Parcels
1,747
Avg Parcel Value
$73,408
Median Parcel Size
0.50 acres

ADU Rules

What can you build in St James Township, MI?

St James Township, MI follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Interior / Attached ADU Size Limits

  • Maximum size varies by district: R-1 and CD are capped at 1,500 sq ft or 50% of the principal dwelling’s floor area (whichever is less); R-2 is capped at 1,000 sq ft or 50% of the principal dwelling’s floor area (whichever is less); A and H have no stated maximum.

Detached ADU Size Limits

  • Maximum detached ADU size by district: R-1 up to the lesser of 1,500 sq ft or 50% of the principal dwelling; R-2 up to the lesser of 1,000 sq ft or 50%; Critical Dune guesthouse up to the lesser of 1,500 sq ft or 50%; no maximum in Agricultural.

Parking

  • 1 space/ADU minimum (2 in residential districts; 1 per unit for living quarters above/attached in C-1/C-2/H). Max none; Planning Commission may reduce/eliminate parking and may approve shared/joint-use parking; MR/H districts finalize required spaces.

Rental Restrictions

  • Renting of ADUs prohibited; no short-term or long-term rentals.

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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