More hazard damage per building is expected in West Rancho Dominguez than in 93% of U.S. towns, mostly from earthquakes
On FEMA’s National Risk Index, West Rancho Dominguez gets a D for hazard risk: higher expected damage per building than 93% of U.S. towns, #458 of 847 in California. Most of that expected damage is earthquakes (63%), then river and rain flooding (37%). Flood insurance has paid 1 claim here since 1980.
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 West Rancho Dominguez faces
Each hazard’s share of the building damage FEMA expects here, and how its rate compares with the rest of the country.
Earthquakes
River and rain flooding
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 West Rancho Dominguez’s grade
Earthquakes are 63% of the building damage FEMA expects in West Rancho Dominguez, and West Rancho Dominguez’s rate of earthquakes damage is in the top 4% of U.S. census tracts. Next is river and rain flooding at 37% (higher than 85% of U.S. census tracts).
D #458 of 847 in California; higher expected damage per building than 93% of U.S. towns (21,298).
West Rancho Dominguez’s residents live in 7 census tracts; FEMA’s figures are combined by where they live.
The typical California town has higher expected damage than 92% of U.S. towns; within the state, West Rancho Dominguez has more expected damage per building than 54% of California towns.
In dollars, FEMA expects about $17.2M a year in losses across West Rancho Dominguez: $13.9M to buildings, the rest to people and crops.
Does West Rancho Dominguez flood? Rarely: 1 flood claim since 1980
Every paid claim on a federal flood insurance policy in West Rancho Dominguez, from FEMA’s records: 0.1 per 1,000 homes, fewer than 98% of the 13,809 U.S. towns with a flood insurance record.
West Rancho Dominguez 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.The storms West Rancho Dominguez remembers
None of the 40 disasters declared for Los Angeles County shows FEMA aid or repair money reaching West Rancho Dominguez itself in FEMA’s records, so these are its biggest flood-claim years.
- 19801 flood claims paidThe year of Brush and Timber Fires, declared for Los Angeles County
Los Angeles County has had 40 natural disasters declared by the President since 1953, most often severe storms, then floods. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.
Also 44 FEMA wildfire suppression grants (Fire Management Assistance, not a disaster declaration) for fires in Los Angeles County, 2002–2025.
Old photos of West Rancho Dominguez after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the West Rancho Dominguez archive →West Rancho Dominguez and its neighbors
West Rancho Dominguez is 2nd of the 5 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 |
|---|---|---|---|
| Carson | Dmore damage than 92% | earthquakes | 21 |
| West Rancho Dominguez | Dmore damage than 93% | earthquakes | 1 |
| Compton | Dmore damage than 95% | earthquakes | 8 |
| Los Angeles | D−more damage than 96% | earthquakes | 1,980 |
| Willowbrook | D−more damage than 98% | river and rain flooding | 2 |
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 West Rancho Dominguez faces
A short kit for the hazards that drive the building damage here, what to check before you buy, and where neighbors get alerts.
- Drop, cover and hold on.
- Strap tall furniture and the water heater to the wall.
- Know how to shut off the gas.
- 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.
- 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 West Rancho Dominguez
Is West Rancho Dominguez at risk for natural disasters?
On FEMA’s National Risk Index, West Rancho Dominguez has higher expected damage per building than 93% of U.S. towns: D for hazard risk, #458 of 847 in California. Most of the expected damage is earthquakes (63%) and river and rain flooding (37%). This is FEMA’s model of an average year for today’s buildings, not a forecast.
Does West Rancho Dominguez flood?
Flood insurance has paid 1 claim in West Rancho Dominguez since 1980, $14K in all, or 0.1 per 1,000 homes, fewer than 98% of U.S. towns with a flood insurance record.
Is West Rancho Dominguez 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 Los Angeles County, 33% of homes in mapped flood zones carry federal flood insurance, and 0.5% of all homes do.
How much is flood insurance in West Rancho Dominguez?
FEMA’s Community Rating System list shows no discount for West Rancho Dominguez’s flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.
Is West Rancho Dominguez at risk from earthquakes?
It is the largest share of the building damage FEMA expects here (63%), and West Rancho Dominguez’s rate for it is in the top 4% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in West Rancho Dominguez.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where West Rancho Dominguez’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.