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Santa Clara, CA

Flood Risk Score: 19/100 · Rank #258 of 3,277 counties

Santa Clara County in California has 8 FEMA disaster declarations on record covering 1982–2023, most recently Severe Winter Storms, Flooding, Landslides, and Mudslides on Mar 10, 2023 (DR-3592). Its flood risk grade is A (Low risk), ranking #258 of 3,277 U.S. counties, with 39 NFIP flood insurance claims totaling $1,153,987 in payouts. Flood risk is relatively low compared to the national average.

19
Risk Score
39
NFIP Claims
$1,153,987
Total Payouts
8
Disasters
$29,589
Avg Claim
39
Active Policies

FEMA Disaster Declarations in Santa Clara County

The 8 most recent federally declared disasters affecting Santa Clara County, CA (1982–2023). Total declarations on record: 8.

DeclaredIncident TypeTitleFEMA Disaster #
Mar 10, 2023FloodSevere Winter Storms, Flooding, Landslides, and MudslidesDR-3592
Jan 14, 2023FloodSevere Winter Storms, Flooding, Landslides, and MudslidesDR-4683
Jan 9, 2023FloodSevere Winter Storms, Flooding, and MudslidesDR-3591
Apr 1, 2017FloodSevere Winter Storms, Flooding, and MudslidesDR-4308
Sep 13, 2005HurricaneHurricane Katrina EvacuationDR-3248
Feb 21, 1986FloodSevere Storms & FloodingDR-758
Feb 9, 1983Coastal StormCoastal Storms, Floods, Slides & TornadoesDR-677
Jan 7, 1982FloodSevere Storms, Flood, Mudslides & High TideDR-651

Score Breakdown

The composite score of 19 is calculated from four weighted factors. See our methodology for details.

Claims Density
40%
0
Disaster Frequency
25%
17
Claim Severity
20%
0
Year-over-Year Trend
15%
100

Other Counties in California

CountyGradeScoreClaimsDisasters
LakeA19288
MontereyA192810
San MateoA19339
El DoradoA20169
ShastaA20109
TulareA20219
View All Counties in California

Frequently Asked Questions

How many FEMA disaster declarations does Santa Clara County, CA have?

Santa Clara County, CA has 8 federal disaster declarations on FEMA record (1982–2023). The 5 most recent are: Severe Winter Storms, Flooding, Landslides, and Mudslides (declared Mar 10, 2023, DR-3592); Severe Winter Storms, Flooding, Landslides, and Mudslides (declared Jan 14, 2023, DR-4683); Severe Winter Storms, Flooding, and Mudslides (declared Jan 9, 2023, DR-3591); Severe Winter Storms, Flooding, and Mudslides (declared Apr 1, 2017, DR-4308); Hurricane Katrina Evacuation (declared Sep 13, 2005, DR-3248). Counts include flood, severe storm, hurricane, and coastal storm declarations from the OpenFEMA DisasterDeclarationsSummaries dataset.

What is the flood risk grade for Santa Clara County, CA?

Santa Clara County is graded A (composite score 19/100, low risk). It ranks #258 of 3,277 U.S. counties for flood risk in our scoring model. The grade combines NFIP claims density (40%), disaster frequency (25%), claim severity (20%), and year-over-year trend (15%).

How many NFIP flood insurance claims have been filed in Santa Clara County?

39 NFIP flood insurance claims have been filed in Santa Clara County, CA, totaling $1,153,987 in payouts. The average claim is $29,589. Source: FEMA FimaNfipClaims v2 dataset.

Has Santa Clara County, CA had any recent flood disasters?

Yes. The most recent FEMA declaration affecting Santa Clara County was Severe Winter Storms, Flooding, Landslides, and Mudslides on Mar 10, 2023 (DR-3592). The county has 8 declared disasters in the OpenFEMA record covering 1982–2023.

this entity is one of the data points covered by this site’s U.S. flood risk, NFIP claims, and disaster declarations dataset. The detail above comes directly from FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims; the context that follows situates the headline numbers against the broader distribution across U.S. ZIPs, counties, and states.

The methodology behind every numeric value on this page is publicly documented on the FEMA OpenFEMA datasets including the National Flood Hazard Layer and NFIP claims portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.

For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. ZIPs, counties, and states with similar size, similar exposure, or similar geography — not the national-level summary alone.

Source: FEMA OpenFEMA datasets, 2026.