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Natural hazards · Lemon Grove

Lemon Grove, CA natural hazards

Most of the natural-hazard damage FEMA expects in Lemon Grove comes from inland flooding, and overall the risk is moderate for a U.S. community. Flood insurance has paid 4 claims here since 2014. 6 federal disasters brought FEMA money into town.

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

How exposed is Lemon Grove?

51
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Lemon Grove to be higher than in 51% of U.S. communities, mostly from inland flooding and earthquakes.

Inland flooding52%Earthquakes45%Everything else4%
By hazard

What Lemon Grove faces

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

Inland flooding

52% of expected damage
Below average · higher than 49% of U.S. places
Recorded about 8 times a year in the area

Earthquakes

45% of expected damage
Well above average · higher than 86% of U.S. places

Lower here

HurricanesTornadoesHailWinter weatherHeat wavesWildfireLandslidesStrong windLightning

Not a risk here

Coastal floodingIce stormsCold wavesDroughtAvalanchesTsunamisVolcanic 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 Lemon Grove flood?

Every paid claim on a federal flood insurance policy in Lemon Grove, from FEMA’s records.

4paid claims since 2014
$158Kpaid to owners
0homes flooded more than once
20142026

Biggest named events

  • San Diego Flooding: 1 claim, $58K
of homes in flood zones
are insured
of all homes
are insured
No community discount. Lemon Grove isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: San Diego County.
Disasters that hit Lemon Grove

6 federal disasters brought FEMA money here

Disasters the President declared that paid out in Lemon Grove itself: aid to households, or repair grants to the City of Lemon Grove.

Brought FEMA money into Lemon GroveDeclared for San Diego County only
2024

Severe Storm and Flooding

273 households applied for aid $1.3M aid approved
2020

Wildfires

12 households applied for aid $5K aid approved
2010

Severe Winter Storms, Flooding, and Debris and Mud Flows

$6K to the City of Lemon Grove for repairs
2007

Wildfires, Flooding, Mud Flows, and Debris Flows

9 households applied for aid
2004

Severe Storms, Flooding, Debris Flows, and Mudslides

7 households applied for aid $3K aid approved
2003

Wildfires, Flooding, Mudflow and Debris Flow Directly Related T

12 households applied for aid $2K aid approved
San Diego County has had 44 natural disasters declared since 1953, most often fires and floods.
Around Lemon Grove

Lemon Grove and the towns around it

San Diego: High, mostly earthquakesSpring Valley: Moderate, mostly inland floodingLa Mesa: Moderate, mostly inland floodingLa Presa: High, mostly inland floodingPoway: Very high, mostly wildfiresSantee: Very high, mostly inland floodingEscondido: High, mostly inland floodingCoronado: Very high, mostly earthquakesNational City: High, mostly earthquakesChula Vista: High, mostly inland floodingImperial Beach: Very high, mostly inland floodingDel Mar: High, mostly inland floodingDel Dios: High, mostly inland floodingCasa de Oro-Mount Helix: Moderate, mostly inland floodingRancho San Diego: High, mostly inland floodingEl Cajon: High, mostly inland floodingBonita: Very high, mostly inland floodingLemon Grove: Moderate, mostly inland flooding Lemon GroveSan DiegoSpring ValleyLa MesaLa Presa
Very lowLowModerateHighVery high
La Presamostly inland floodingHigh
San Diegomostly earthquakesHigh
Spring Valleymostly inland floodingModerate
Lemon Grovemostly inland floodingModerate
La Mesamostly inland floodingModerate
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. Lemon Grove covers 5 census tracts, combined by population.
Money that reached townFlood claims are matched to Lemon Grove’s own flood-insurance community; household aid to the registrant’s city; repair grants to the City of Lemon Grove. 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 Lemon Grove total about $4.4M 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/18 · 2025-01-01
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