Cutler Bay sets the building floor at the higher of the state code elevation or 1 foot above the back of sidewalk (or the road crown where there is no sidewalk), and applies the same sidewalk-plus-1 rule in Zone X. It lowers the substantial-improvement trigger to 49% and counts improvements over one year.
Source: Cutler Bay Code of Ordinances Ch. 18 Floodplain Management, Secs. 18-7, 18-93; FEMA Community Status Book, Florida (www.fema.gov/cis/FL.html, report 10/03/2026); 2023 Florida Building Code, Residential R322.2.1, R322.3.2; 44 CFR 59.1; FEMA Flood Map Service Center · 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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