Miami-Dade County limits impervious lot coverage in residential districts to maintain stormwater absorption. RU-1 districts typically allow 35-40% lot coverage. All impervious surfaces count toward the total including driveways and patios.
Miami-Dade County zoning code establishes maximum lot coverage percentages by district. RU-1 single-family districts typically allow 35-40% lot coverage for all buildings and structures. All impervious surfaces including buildings, driveways, patios, walkways, and pool decks count toward total coverage. Green infrastructure and pervious pavement may receive partial credit. Lot coverage limits protect stormwater absorption capacity, which is critical in Miami-Dade's low-lying coastal geography. Exceeding lot coverage limits requires a variance. Stormwater management requirements under Chapter 11C may impose additional restrictions.
Exceeding lot coverage limits blocks building permits. Existing non-compliant properties may be non-conforming uses. Variances through the Board of Zoning Appeals.
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See how Miami-Dade County's lot coverage limits rules stack up against other locations.
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