Miami Beach limits lot coverage in single-family residential zones to 30% for two-story homes, with maximum unit size at 50% of lot area. Increased lot coverage up to 40% is available for architecturally significant homes with reduced setbacks. These limits protect pervious surface area on the barrier island for stormwater management.
Miami Beach's Land Development Regulations set lot coverage maximums that are critical for stormwater management on the barrier island. In single-family zoning districts, maximum lot coverage is 30% for a two-story home, and maximum unit size cannot exceed 50% of the lot area. An incentive provision allows lot coverage up to 40% for homes demonstrating architectural significance, which may include reduced setbacks. Lot coverage includes all roofed areas and impervious surfaces at ground level. The strict limits reflect Miami Beach's vulnerability to sea-level rise and flooding — maintaining pervious surfaces is essential for stormwater absorption. The 2016 ordinance (2016-3987) comprehensively updated lot coverage requirements alongside height, unit size, setback, and courtyard regulations. Multifamily and commercial districts have different coverage requirements based on density and FAR (Floor Area Ratio) calculations. Building permits require site plans demonstrating compliance. Contact Planning at (305) 673-7550.
Exceeding lot coverage limits results in building permit denial. Unpermitted construction that exceeds coverage may require removal. Converting pervious areas to impervious surfaces without a permit violates both lot coverage and stormwater management requirements. Code Compliance at (305) 673-7555 enforces violations.
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Side-by-side rule comparisons with other cities in Miami-Dade County.
See how other cities in Miami-Dade County handle lot coverage limits.
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