Retaining walls in Broward County require engineered drawings and a building permit because flat terrain makes even modest walls sensitive to drainage and hurricane loading.
Broward County Building Code Services requires a building permit for any retaining wall over 2 feet tall, and engineered signed and sealed plans for walls 4 feet or taller or that support a surcharge such as a driveway or pool deck. In the flat South Florida landscape, walls interact heavily with stormwater flow, so the Environmental Protection and Growth Management Department reviews grading and drainage impacts near canals, mangroves, and Everglades-connected wetlands. Walls along South Florida Water Management District (SFWMD) canals need additional encroachment approvals. Combining a retaining wall with a fence on top requires the combined height to meet the zoning cap unless a variance is granted.
Contact your local code enforcement office for specific penalty information.
Broward County, FL
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See how Broward County's retaining walls rules stack up against other locations.
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