The minimum seawall elevation is 4 ft NAVD88 (5.5 ft NGVD29). Owners are strongly encouraged to design the foundation so the wall can later be raised to at least 5 ft NAVD88. Substantial repair (50% or more of the wall value within one year) triggers the minimum for the full property length.
Source: Miami Shores Village Code of Ordinances, Appendix A Zoning, Sec. 560(d); App. A Sec. 534 (Waterfront lands) · Verified 2026-10
The elevation your city requires, the datum it is measured in, and the section of code that says so. One page.
Available for the cities whose rule we have verified and sourced.
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What applies across Miami-Dade County, and where each city departs from it.
The rule changes at the city line, not the county line.
What to look for, where to look for it, and what it means when you find it. Walk your wall in twenty minutes.
A screening sheet for owners, not an engineering inspection.
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