Natural hazards · Leona Valley

Leona Valley, CA natural hazards

Most of the natural-hazard damage FEMA expects in Leona Valley comes from wildfires, and overall the risk is very high for a U.S. community. 1 federal disaster brought FEMA money into town.

FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarations
Expected damage

How exposed is Leona Valley?

100
Very high
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Leona Valley to be higher than in 100% of U.S. communities, mostly from wildfires and earthquakes.

Wildfire54%Earthquakes29%Inland flooding16%
By hazard

What Leona Valley faces

Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.

Wildfire

54% of expected damage
Well above average · among the top 1% of U.S. places

Earthquakes

29% of expected damage
Well above average · among the top 1% of U.S. places

Inland flooding

16% of expected damage
Well above average · higher than 91% of U.S. places
Recorded about 4 times a year in the area

Lower here

TornadoesHailWinter weatherCold wavesHeat wavesLandslidesStrong windLightning

Not a risk here

Coastal floodingHurricanesIce stormsDroughtAvalanchesTsunamisVolcanic activity
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 Leona Valley flood?

FEMA's records show no paid flood insurance claims in Leona Valley.

of homes in flood zones
are insured
of all homes
are insured
No community discount. Leona Valley isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Los Angeles County.
Disasters that hit Leona Valley

1 federal disaster brought FEMA money here

Disasters the President declared that paid out in Leona Valley itself: aid to households, or repair grants to Leona Valley.

Brought FEMA money into Leona ValleyDeclared for Los Angeles County only
2004

Severe Storms, Flooding, Debris Flows, and Mudslides

9 households applied for aid $24K aid approved
Los Angeles County has had 74 natural disasters declared since 1953, most often fires and floods.
Around Leona Valley

Leona Valley and the towns around it

Palmdale: Very high, mostly earthquakesLancaster: Very high, mostly earthquakesSun Village: Very high, mostly earthquakesLittlerock: Very high, mostly earthquakesQuartz Hill: Very high, mostly earthquakesActon: Very high, mostly avalanchesLeona Valley: Very high, mostly wildfires Leona ValleyPalmdaleLancaster
Very lowLowModerateHighVery high
Leona Valleymostly wildfiresVery high
Palmdalemostly earthquakesVery high
Lancastermostly earthquakesVery high
About these numbers

How to read this page

An average, not a forecastFEMA’s National Risk Index estimates the damage 18 kinds of natural hazards cause in a typical year, from decades of records and models. A quiet decade can follow a bad year.
Compared by rate“Higher than N%” compares yearly damage as a share of what’s here, so a big city isn’t rated riskier just for having more buildings. Leona Valley covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Leona Valley’s own flood-insurance community; household aid to the registrant’s city; repair grants to Leona Valley. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

FEMA’s expected losses across Leona Valley total about $4.6M a year, counting buildings, people and crops.

Sources: FEMA National Risk Index (December 2025); 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. Census tracts: U.S. Census Bureau.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/19 · 2025-01-01