WallDockDeck
Jupiter · Palm Beach County

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

+1.5 ft above BFElowest floor / bottom of structural member

Jupiter requires every building in a flood hazard area to sit at base flood elevation plus 1.5 feet, or the design flood elevation if higher. It counts improvements over five years, with the accumulation running from the first improvement after 21 June 1977, and bars fill as foundation support except in stem walls.

Source: Jupiter Code Subpart B LDR Ch. 22 Flood Prevention and Protection, Secs. 22-3, 22-251; 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

FreeboardLowest floor, dry floodproofing or bottom of lowest horizontal structural member at or above BFE plus 1.5 feet, or the design flood elevation, whichever is higher - Sec. 22-251(b).
FillFill shall not be used to support foundations, except in stem wall foundations - Sec. 22-251(c).
V and Coastal A zonesSolid walls are not permitted below elevated buildings - Sec. 22-251(d).
Substantial improvementFive year period, cumulative cost of 50% or more, accumulation from the first improvement after June 21, 1977 - Sec. 22-3.
FEMA flood mapFEMA's Community Status Book (report dated 3 Oct 2026) lists Jupiter as NFIP community 125119 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 22 Sep 1972; regular NFIP program since 22 Sep 1972; entered CRS 1 Oct 1994.
Flood insurance discountCRS class 5 - 25% off NFIP premiums for policies in the Special Flood Hazard Area (class in effect 1 May 2015).
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.

Done — it is on the way to your inbox. Not there in a minute? Check your Promotions or Spam folder, and move it to your inbox so the next ones arrive.

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 BeachWest Palm Beach

Other questions about Jupiter

Seawall height requirementHow high does a seawall have to be in Jupiter?Seawall permit processDo I need a permit to repair a seawall in Jupiter?Dock permit & size limitsHow big a dock can I build in Jupiter?Boat lift rulesWhat are the boat lift rules in Jupiter?Waterfront deck requirementsWhat are the deck setback and railing rules in Jupiter?Checking a marine contractorHow do I check a marine contractor in Jupiter?

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.

Done — it is on the way to your inbox. Not there in a minute? Check your Promotions or Spam folder, and move it to your inbox so the next ones arrive.