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Lantana · Palm Beach County

What flood zone is Lantana in, and what does it require?

BFE +1 ft (state code)no extra town freeboard found

Lantana adopts its floodplain ordinance through Code Section 6-101, uses the plain 50% substantial-improvement test, and limits decks and patios in V zones: one more than 12 inches thick is not approved without a registered design professional's analysis showing no harmful diversion of floodwater.

Source: Lantana Code of Ordinances Ch. 6 Art. VII Floodplain Management, Sec. 6-101; 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 detail

Substantial improvement / damage50 percent of market value, no cumulative period - Sec. 6-101 (ordinance definitions).
V-zone decks and patiosOver 12 in vertical thickness, or more than minimum fill, requires a registered design professional's analysis; 12 in or less at natural grade may be approved without - Sec. 6-101 (ordinance 307.6).
FEMA flood mapFEMA's Community Status Book (report dated 3 Oct 2026) lists Lantana as NFIP community 120214 with a current effective FIRM dated 20 Dec 2024. Zones are set parcel by parcel, so no single zone covers the whole city - check your own address.
NFIP historyFEMA record: first FIRM 12 Mar 1971; regular NFIP program since 12 Mar 1971; entered CRS 1 Oct 1994.
Flood insurance discountCRS class 8 - 10% off NFIP premiums for policies in the Special Flood Hazard Area (class in effect 1 Oct 2020).
State minimum2023 Florida Building Code, Residential R322.2.1 and R322.3.2 - lowest floor (A zones) or bottom of the lowest horizontal structural member (V and Coastal A zones) at BFE + 1 ft or the design flood elevation, whichever is higher.
Look up your zoneEnter the address in FEMA's Flood Map Service Center (msc.fema.gov), the official public source for FIRMs; an elevation certificate shows how your floor compares with the BFE.

Your city's height sheet

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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The county rule behind this

What applies across Palm Beach County, and where each city departs from it.

Palm Beach CountySeawall requirements county-wide

The same question, nearby

The rule changes at the city line, not the county line.

Palm BeachBoca RatonPalm BeachDelray BeachPalm BeachJupiterPalm BeachWest Palm Beach

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Twelve signs a seawall is failing

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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