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2019-06-12 12 08 49 View north along Maryland State Route 186 (Brookville Road) at Thornapple Street in Chevy Chase Section Five, Montgomery County, MarylandPhoto: Famartin · CC BY-SA 4.0
–Not graded
Natural hazards in Chevy Chase Section Five · FEMA

Storms, floods and disasters in Chevy Chase Section Five

Chevy Chase Section Five isn’t graded for hazard risk: Chevy Chase Section Five has 803 residents; we grade towns of 1,000 or more.

Flood claims
0
paid since 1978 · $0
Disasters paid out here
0
of 17 declared for Montgomery County
By hazard

What Chevy Chase Section Five 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

77%of expected building damage
Below average · lower than 78% of U.S. census tracts
Recorded about 5 times a year in the area

Hurricanes

10%of expected building damage
Above average · higher than 71% of U.S. census tracts
Recorded about once every 10 years in the area
Smaller shares here
 Earthquakes Hail Tornadoes Strong wind Lightning Winter storms Cold waves Wildfire Ice storms Heat waves Landslides
FEMA models no building damage here
Coastal floodingAvalanchesTsunamisVolcanic activity

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.

Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.
Flood insurance claims

Does Chevy Chase Section Five flood? No paid flood claims on record

FEMA’s records show no paid flood insurance claims in Chevy Chase Section Five. That’s not a promise: most homes don’t carry flood insurance, so small floods go unrecorded.

of homes in flood zones are insured
of all homes are insured
No community discount

Chevy Chase Section Five isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.

Insurance rates: Montgomery County.
Disasters

The storms Chevy Chase Section Five remembers

None of the 17 disasters declared for Montgomery County shows FEMA aid or repair money reaching Chevy Chase Section Five itself in FEMA’s records, so these are its biggest flood-claim years.

Disasters declared, by decade
Paid out in Chevy Chase Section FiveMontgomery County only

Montgomery County has had 17 natural disasters declared by the President since 1953, most often winter storms, then severe storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.

Next door

Chevy Chase Section Five and its neighbors

How expected damage per building compares across the town line. Tap a town to see its hazards.

Chevy Chase: hazard risk A+Martin's Additions: not gradedChevy Chase Section Three: not gradedChevy ChaseMartin's AdditionsChevy Chase Section ThreeChevy Chase Section Five
Lowest fifthSecondMiddleFourthHighest fifth
TownHazard riskMostly (buildings)Flood claims
Chevy ChaseA+less damage than 97%river and rain flooding6
Martin's Additions—not graded yet
Chevy Chase Section Three—887 residents; we grade 1,000+

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.

Be ready

Get ready for what Chevy Chase Section Five faces

A short kit for the hazards that drive the building damage here, what to check before you buy, and where neighbors get alerts.

When the river rises
  • 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.
More from Ready.gov ↗
Hurricane season
  • 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.
More from Ready.gov ↗
Before you buy or rent
  • 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.
When a storm is coming
Forecast and alertsWeather →911, the nearest ERSafety →

Know where neighbors sign up for alerts? Add it to the Handbook so everyone has it.

Questions about natural hazards in Chevy Chase Section Five

Is Chevy Chase Section Five 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 Montgomery County, 51% of homes in mapped flood zones carry federal flood insurance, and 0.8% of all homes do.

How much is flood insurance in Chevy Chase Section Five?

FEMA’s Community Rating System list shows no discount for Chevy Chase Section Five’s flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.

Storm stories

Memories, warnings and help from neighbors in Chevy Chase Section Five.

Town Square →
Start the conversation

Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Chevy Chase Section Five’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.