On FEMA’s figures, Stewart Manor faces less hazard damage per building than 96% of U.S. towns, mostly from river and rain flooding
On FEMA’s National Risk Index, Stewart Manor gets an A+ for hazard risk: lower expected damage per building than 96% of U.S. towns. Most of that expected damage is river and rain flooding (69%), then earthquakes (14%). FEMA’s files show no paid flood insurance claims here.
Graded on FEMA’s expected yearly building damage per dollar of building value (NRI v1.20, December 2025), weighted by where residents live; flood claims are shown, not graded. How hazard risk is graded
What Stewart Manor faces
Each hazard’s share of the building damage FEMA expects here, and how its rate compares with the rest of the country.
River and rain flooding
Earthquakes
Hurricanes
Shares are of FEMA’s expected building damage, the measure the grade uses; ranks compare each hazard’s building-damage rate with all 85,154 U.S. census tracts. In FEMA’s terms, river and rain flooding is FEMA’s “Inland Flooding” (rivers and streams overflowing their banks, or rain overwhelming drainage). FEMA defines coastal flooding as high or rising tides and storm surge, so surge damage is counted there. Drought isn’t listed: FEMA counts its losses in crops only.
What’s behind Stewart Manor’s grade
River and rain flooding is 69% of the building damage FEMA expects in Stewart Manor, and Stewart Manor’s rate of river and rain flooding damage is lower than 88% of U.S. census tracts. Next is earthquakes at 14% (higher than 72% of U.S. census tracts).
A+ lower expected damage per building than 96% of U.S. towns (21,298).
All of Stewart Manor’s residents live in one census tract; the figures are that tract’s.
In dollars, FEMA expects about $290K a year in losses across Stewart Manor: $236K to buildings, the rest to people and crops.
Does Stewart Manor flood? No paid flood claims on record
FEMA’s records show no paid flood insurance claims in Stewart Manor. That’s not a promise: most homes don’t carry flood insurance, so small floods go unrecorded.
Stewart Manor isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Nassau County.5 federal disasters brought FEMA money to Stewart Manor
Disasters that paid out in Stewart Manor itself (aid to households or repair grants to the Village of Stewart Manor), newest first, with that year’s flood claims.
- 2020Tropical Storm Isaias$25K to the Village of Stewart Manor for repairs
- 2012Hurricane Sandy21 households applied for aid$500 aid approved$163K to the Village of Stewart Manor for repairs
- 2011Hurricane Irene2 households applied for aid$24K to the Village of Stewart Manor for repairs
- 2010Severe Winter Storm and Snowstorm$12K to the Village of Stewart Manor for repairs
- 2003Snow$2K to the Village of Stewart Manor for repairs
Nassau County has had 22 natural disasters declared by the President since 1953, most often hurricanes and tropical storms, then severe storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees; the 2001 World Trade Center declarations.
Old photos of Stewart Manor after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Stewart Manor archive →Stewart Manor and its neighbors
Stewart Manor is 2nd of the 4 graded towns here, from least expected damage per building to most. Tap a town to see its hazards.
| Town | Hazard risk | Mostly (buildings) | Flood claims |
|---|---|---|---|
| New Hyde Park | A+less damage than 96% | river and rain flooding | 1 |
| Stewart Manor | A+less damage than 96% | river and rain flooding | 0 |
| Floral Park | A+less damage than 95% | river and rain flooding | 3 |
| Garden City | Aless damage than 89% | river and rain flooding | 2 |
| Franklin Square | — | a Census area inside a town; graded with the town | |
Hazard risk = FEMA’s expected yearly building damage per dollar of building value, vs. the 21,298 U.S. towns we grade; the map is shaded by fifths of the same scale. Flood claims = paid federal flood insurance claims on record.
Get ready for what Stewart Manor faces
A short kit for the hazards that drive the building damage here, what to check before you buy, and where neighbors get alerts.
- Turn around at flooded roads: a foot of moving water can carry off a car.
- Flood insurance usually takes 30 days to start, so buy it before the forecast.
- Keep papers and medicines up high, in a grab-and-go bag.
- Drop, cover and hold on.
- Strap tall furniture and the water heater to the wall.
- Know how to shut off the gas.
- The season runs June through November and peaks from mid-August to mid-October.
- Bring in porch furniture and anything the wind can throw.
- Fill the gas tank and charge phones before the storm arrives.
- Look up the address on FEMA’s flood map.
- Ask the seller or landlord whether it has ever flooded, and what flood insurance costs there.
- Get a flood insurance quote early: policies usually start 30 days after you buy.
Know where neighbors sign up for alerts? Add it to the Handbook so everyone has it.
Questions about natural hazards in Stewart Manor
Is Stewart Manor at risk for natural disasters?
On FEMA’s National Risk Index, Stewart Manor has lower expected damage per building than 96% of U.S. towns: A+ for hazard risk. Most of the expected damage is river and rain flooding (69%) and earthquakes (14%). The figures are for the one census tract the town shares with its neighbors. This is FEMA’s model of an average year for today’s buildings, not a forecast.
Is Stewart Manor in a flood zone?
Flood zones are drawn street by street, so the answer depends on the address: look it up on FEMA’s flood map. In Nassau County, 76% of homes in mapped flood zones carry federal flood insurance, and 9.6% of all homes do.
How much is flood insurance in Stewart Manor?
FEMA’s Community Rating System list shows no discount for Stewart Manor’s flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.
What was the biggest storm in Stewart Manor?
By FEMA money that reached Stewart Manor, Hurricane Sandy (2012): 21 households applied for aid, $500 approved, and $163K to the Village of Stewart Manor for repairs.
Is Stewart Manor at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (69%), and Stewart Manor’s rate for it is lower than 88% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Stewart Manor.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Stewart Manor’s residents lived in the 2020 census; OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Homes: Census ACS 2020–24. Preparedness tips: Ready.gov. FEMA’s model is an average of expected damage, not a forecast. How hazard risk is graded.