Natural hazards · El Cajon

El Cajon, CA natural hazards

Most of the natural-hazard damage FEMA expects in El Cajon comes from inland flooding, and overall the risk is high for a U.S. community. Flood insurance has paid 26 claims here since 1980. 8 federal disasters brought FEMA money into town.

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

Expected damage

How exposed is El Cajon?

High

vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in El Cajon to be higher than in 72% of U.S. communities, mostly from inland flooding and earthquakes.

Inland flooding66%Earthquakes30%Everything else4%

By hazard

What El Cajon faces

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

Inland flooding

66% of expected damage

Well above average · higher than 82% of U.S. places

Recorded about 8 times a year in the area

Earthquakes

30% of expected damage

Well above average · higher than 85% 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 El Cajon flood?

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

26paid claims since 1980

$451Kpaid to owners

2homes flooded more than once

19802026

Biggest named events

Pineapple Express - Southern: 1 claim, $43K

Homes that flooded again and again

■ FEMA “severe repetitive loss” (1) ■ flooded 2+ times

of homes in flood zones
are insured

of all homes
are insured

No community discount. El Cajon 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 El Cajon

8 federal disasters brought FEMA money here

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

Brought FEMA money into El CajonDeclared for San Diego County only

2024

Severe Storm and Flooding

412 households applied for aid $1.2M aid approved

2020

Wildfires

55 households applied for aid $5K aid approved

2017

Wildfires, Flooding, Mudflows, and Debris Flows

1 household applied for aid

2010

Severe Winter Storms, Flooding, and Debris and Mud Flows

$124K to the City of El Cajon for repairs

2007

Wildfires, Flooding, Mud Flows, and Debris Flows

103 households applied for aid $2K aid approved $15K to the City of El Cajon for repairs

2005

Severe Storms, Flooding, Landslides, and Mud and Debris Flows

$193K to the City of El Cajon for repairs

2004

Severe Storms, Flooding, Debris Flows, and Mudslides

53 households applied for aid $28K aid approved

2003

Wildfires, Flooding, Mudflow and Debris Flow Directly Related T

1,337 households applied for aid $4.1M aid approved $37K to the City of El Cajon for repairs

San Diego County has had 44 natural disasters declared since 1953, most often fires and floods.

Around El Cajon

El Cajon and the towns around it

Very lowLowModerateHighVery high

Santeemostly inland floodingVery high

Winter Gardensmostly inland floodingHigh

Granite Hillsmostly inland floodingHigh

Bostoniamostly inland floodingHigh

El Cajonmostly inland floodingHigh

Rancho San Diegomostly inland floodingHigh

San Diegomostly earthquakesHigh

Casa de Oro-Mount Helixmostly 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. El Cajon covers 21 census tracts, combined by population.

Money that reached townFlood claims are matched to El Cajon’s own flood-insurance community; household aid to the registrant’s city; repair grants to the City of El Cajon. 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 El Cajon total about $30.0M 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.