FloodMaps
Map of FEMA flood zones in Palm Beach CountyTap the map to explore

County · Flood risk

Check any address in Palm Beach County

Quick facts

Homes on the tax roll

591,147

Residential parcels on the Florida Department of Revenue roll

FEMA flood map in effect

Dec 2024

First flood map 1979

Flood insurance discount

25% off

Palm Beach County, Community Rating System Class 5

Most flood claims in one storm

423

Hurricane Irma 2017, 102 paid

Homes with water, FEMA aid

1,804

Aid registrations reporting water inside, Hurricane Irma 2017

Sinkhole reports

12

Florida Geological Survey, mostly unverified

Past storms in Palm Beach County

National Flood Insurance Program claims and FEMA aid registrations that reported water inside the home, for the whole county.

Flood claims and FEMA aid by storm in Palm Beach County
StormClaimsPaidAid, water inside
Hurricane Matthew 20161140
Hurricane Irma 20174231021,804
Tropical Storm Eta 20203625–
Hurricane Ian 202216356
Hurricane Nicole 2022135–
Hurricane Milton 202413024

Frequently asked questions

Do I need flood insurance in Palm Beach County?

Lenders require flood insurance on a federally backed mortgage when the building is in one of FEMA's high-risk zones, the ones starting with A or V. The map that sets those zones in Palm Beach County took effect on December 20, 2024. Outside those zones insurance is optional, but claims come from moderate- and low-risk zones too, so it's worth checking the zone and the floor height of the exact home.

When was the FEMA flood map for Palm Beach County last updated?

The flood map in effect for Palm Beach County took effect on December 20, 2024. The county's first flood map dates to February 1, 1979.

Is there a flood insurance discount in Palm Beach County?

Palm Beach County is in FEMA's Community Rating System at Class 5, which takes 25% off National Flood Insurance Program premiums for policies inside the high-risk flood zone. Classes run from 10 to 1, and each step down adds 5% off.

Which storms flooded Palm Beach County the most?

By National Flood Insurance Program claims across Palm Beach County, the worst recent storms were Hurricane Irma 2017 (423 claims, 102 paid), Tropical Storm Eta 2020 (36 claims, 25 paid), and Hurricane Ian 2022 (16 claims, 3 paid). After Hurricane Irma 2017, 1,804 FEMA aid registrations in the county reported water inside the home. Claims only count insured homes, so the real number of flooded homes is higher.

Are there sinkholes in Palm Beach County?

The Florida Geological Survey has 12 subsidence reports on file for Palm Beach County. Most reports were never verified, and a report near a home doesn't mean the ground under it is unstable. The full report lists the nearest ones.

Palm Beach County stretches from Jupiter to Boca Raton on the Atlantic and west to Lake Okeechobee.

Palm Beach County has about 591,000 homes on the state tax roll. The FEMA flood map in effect for Palm Beach County took effect on December 20, 2024; the county's first flood map dates to 1979. The storm that left the most flood insurance claims in the county was Hurricane Irma 2017, with 423, followed by Tropical Storm Eta 2020 with 36. Palm Beach County is in FEMA's Community Rating System at Class 5, which takes 25% off National Flood Insurance Program premiums for policies inside the high-risk flood zone.

On the Atlantic coast, flooding comes from hurricane surge, seasonal king tides that back up through storm drains, and heavy rain on flat ground with a high water table. The storms we track for Southeast Florida are Hurricane Matthew 2016, Hurricane Irma 2017, Tropical Storm Eta 2020, Hurricane Nicole 2022, Fort Lauderdale flood 2023, South Florida flood June 2024, Hurricane Helene 2024, and Hurricane Milton 2024.

Search any address in Palm Beach County for a free report: its FEMA flood zone and whether insurance is required, its risk level, and its floor height against the flood line. The full report adds a 0 to 100 risk score, the flood insurance cost, the home's record in each storm we track, and a PDF to share.

Compiled by FloodMaps from FEMA, state, and county records. Data dates: 2026 county tax roll (final values); flood claims and FEMA aid for storms from 2016 through Hurricane Milton (October 2024); FEMA map dates and insurance discounts as of October 8, 2026.

Cities and nearby counties

Florida Flood News & Updates