Height limits are set by local zoning. Single-family residential districts in Wayne County communities generally cap principal structures at 30-35 feet with accessory buildings at 14-20 feet.
Building height in Wayne County jurisdictions is regulated by municipal zoning ordinances under MCL 125.3202. In typical single-family residential zones, principal structures are limited to 30-35 feet measured from average grade to the midpoint of a pitched roof (or to the highest point on a flat roof). Multi-family, mixed-use, and commercial districts allow taller structures, often 45-60 feet or more depending on zoning classification. Detached accessory structures such as garages, sheds, and pole barns are generally limited to 14-20 feet and cannot exceed the height of the principal dwelling. Chimneys, antennas, steeples, and mechanical penthouses are typically exempt from height limits within specific size constraints. Detroit, Dearborn, Livonia, Canton, and other municipalities each define height measurement slightly differently, so verify the applicable ordinance with your local building department. Variances require demonstration of practical difficulty before the local ZBA.
Contact your local code enforcement office for specific penalty information.
Wayne County, MI
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See how Wayne County's structure height limits rules stack up against other locations.
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