Natural hazards · Green Valley

Green Valley, CA natural hazards

Most of the natural-hazard damage FEMA expects in Green Valley comes from inland flooding, and overall the risk is very high for a U.S. community.

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

Expected damage

How exposed is Green Valley?

Very high

vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Green Valley to be higher than in 89% of U.S. communities, mostly from inland flooding and earthquakes.

Inland flooding66%Earthquakes28%Everything else6%

By hazard

What Green Valley 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 94% of U.S. places

Recorded about once a year in the area

Earthquakes

28% of expected damage

Well above average · higher than 89% of U.S. places

Lower here

TornadoesHailWinter weatherHeat wavesWildfireLandslidesStrong windLightningDroughtVolcanic activity

Not a risk here

Coastal floodingHurricanesIce stormsCold wavesAvalanchesTsunamis

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 Green Valley flood?

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

of homes in flood zones
are insured

of all homes
are insured

No community discount. Green 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: Solano County.

Disasters that hit Green Valley

Federal disasters declared here

None of the disasters declared for Solano County shows FEMA aid or repair money reaching Green Valley itself in FEMA’s records.

Brought FEMA money into Green ValleyDeclared for Solano County only

Solano County has had 27 natural disasters declared since 1953, most often floods and fires.

Around Green Valley

Green Valley and the towns around it

Very lowLowModerateHighVery high

Green Valleymostly inland floodingVery high

Fairfieldmostly inland floodingVery 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. Green Valley covers 1 census tract, combined by population.

Money that reached townFlood claims are matched to Green Valley’s own flood-insurance community; household aid to the registrant’s city; repair grants to Green 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 Green 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.