ADU rules in Livonia, MI — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
Livonia does not broadly permit accessory dwelling units in single-family zones. Detached ADUs are generally prohibited, while in-law suites within the main home are limited.
The Livonia zoning ordinance is written around single-family neighborhoods and does not include a by-right accessory dwelling unit (ADU) category for detached secondary dwellings in most residential zones. A second cooking facility or independent apartment in a single-family home is typically disallowed because a dwelling unit is defined as one kitchen and one set of sleeping facilities per family. Limited in-law arrangements may be allowed for relatives if no separate utility meter, mailing address, or rental relationship exists. Basement or attic apartments and backyard cottages generally require a rezoning or variance from the Zoning Board of Appeals. Short-term rentals and separate rental of an ADU are not allowed in single-family zones. Confirm specific lot rules with Planning at (734) 466-2200 before adding a kitchen or separate entrance.
Contact your local code enforcement office for specific penalty information.
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Side-by-side rule comparisons with other cities in Wayne County.
See how other cities in Wayne County handle adu rules.
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