Should I Buy Flood Insurance? A Florida Guide

Most of the time, yes — and the reason has nothing to do with whether you are in a flood zone. Your homeowners policy does not cover flood. Not partially, not at all. Almost a third of federal flood claims come from properties outside the high-risk zones, and the way flood risk gets described to people is genuinely misleading. That last part is where most of the bad decisions get made, so it is worth two minutes.

A “100-year flood” does not mean a flood that happens once a century. It means a flood that has a 1 percent chance of happening in any given year — this year, next year, and the year after that.

The name is one of the most expensive pieces of bad wording in American government. People hear “100-year flood,” remember the last one, and conclude they are safe for decades. That is not remotely what it means.

How FEMA actually draws the lines

FEMA models how much water a given area would see in a flood with a 1 percent annual chance of occurring. Everywhere that water would reach gets drawn into a Special Flood Hazard Area — the high-risk zones, labeled A or V on a flood map. Everything else falls into moderate- or low-risk zones, most commonly labeled X.

Everyone in FL’s in a flood zone - it’s a matter of ‘which’ zone you’re in. We hear “I’m not in a flood zone” on the phone almost every week. Every mapped property sits in one FEMA designation or another, and X is a flood zone, just a lower-risk one. What people almost always mean is “I’m not in a high-risk zone.” That’s a different sentence, and the difference matters, because nothing about a moderate- or low-risk designation says the water can’t reach you.

That 1 percent line does one job well: it tells lenders where to require flood insurance. It was never designed to tell you whether your house can flood, and it does not tell you that.

The number that should change your thinking

A 1 percent annual chance sounds small. Run it across the life of a mortgage and it stops sounding small.

The NFIP’s own figure: a home in a high-risk zone has roughly a 1 in 4 chance of flooding at least once during a 30-year mortgage.

One in four — and flooding is the one major risk your homeowners policy specifically excludes.

Almost a third of flood claims come from “low-risk” areas

Here is the statistic that matters most, straight from the National Flood Insurance Program:

Over the ten years from 2014 to 2024, 29 percent of all NFIP flood insurance claims came from properties outside high-risk flood areas.

Nearly one in three. Those are people who were told, correctly, that they were in a low- or moderate-risk zone — and who filed a flood claim anyway.

And that figure only counts people who had a policy. Everyone outside a high-risk zone who flooded without coverage does not appear in it at all.

Some examples, to prove you can never predict Mother Nature

Hurricane Harvey — Houston, August 2017. 35.6 inches in four days at Hobby Airport. The National Weather Service estimated some locations saw rainfall with a 0.1 percent chance in any given year — a 1-in-1,000-year event.
Ellicott City, Maryland — July 2016, and again in May 2018. About 6.6 inches in three hours, both times. Two floods 22 months apart, each described as roughly a 1-in-1,000-year event. The USGS calls both “very rare.”
Fort Lauderdale — April 12, 2023. 25.91 inches in roughly 12 hours. The National Weather Service put the peak rainfall rates at the level of a 1-in-1,000-year event.
Hurricane Milton — St. Petersburg, October 2024. Nearly 19 inches, including 5.09 inches in a single hour. Widely reported as a 1-in-1,000-year rainfall event for Tampa Bay.
Hurricane Debby — Parrish, August 2024. 18.86 inches at the Parrish gauge in Manatee County. Inland, miles from the Gulf, no surge involved.
Hurricane Ian — North Port, September 2022. No storm surge at all. The Myakkahatchee Creek put four feet of water in neighborhood streets days after the wind stopped.

Three of those six happened in Florida within the last four years. Two of them happened in our own two counties.

What this actually means for a homeowner

Separate two questions that get confused constantly:

Is flood insurance required? Decided by your flood zone and your lender.
Do you need flood insurance? Decided by water, which has never once consulted a flood map.

The maps are a useful tool built on the best available modeling. They are not a promise, they lag the development that changes drainage, and they get redrawn precisely because the old lines turned out to be wrong. Sarasota County’s current maps took effect March 27, 2024.

The practical upside for most people: if you are outside a high-risk zone, flood coverage is usually far less expensive, because you are being rated on genuinely lower risk. The homeowners who skip it are very often the ones who could have had it for the least.

Get your actual address looked at

We can pull your flood zone, tell you what the current maps say, and quote both the federal program and the private market side by side. It takes a few minutes and there is no obligation attached to it.

Call (941) 312-5771 or stop by. We’re at 62 Sarasota Center Blvd, Sarasota, open Monday through Friday, 8:30 am to 4:30 pm. We write flood throughout Sarasota, Manatee, Charlotte, Pinellas and Hillsborough counties.