McKinney limits residential structure height to 35 ft or 2.5 stories in most single-family districts. Accessory structures capped at 15 ft for sheds and 25 ft for detached garages. Commercial district heights range from 35 ft to 75 ft depending on zoning (O-1, C-1, C-2, etc.).
Zoning Ordinance Section 146 height limits measured from average natural grade to the midpoint of the highest gable or top of flat roof. Chimneys, antennas, and mechanical equipment may exceed height by up to 10 ft. Downtown Historic District has special height compatibility standards to preserve streetscape.
Contact your local code enforcement office for specific penalty information.
McKinney, TX
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Side-by-side rule comparisons with other cities in Collin County.
See how other cities in Collin County handle structure height limits.
See how McKinney's structure height limits rules stack up against other locations.
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