Flood Risk in Marin, CA

Marin, CA has a Flood Risk Score of 21/100 (Grade B), ranking #135 of 3,271 counties nationwide. The risk level is Moderate. There have been 15 NFIP flood insurance claims totaling $244,124 in payouts, with 11 federal disaster declarations on record.

Key Data

21
Risk Score
B
Grade
15
NFIP Claims
$244,124
Total Payouts
11
Disasters
15
Active Policies

Score Breakdown

FactorScoreWeight
Claims Density040%
Disaster Frequency2325%
Claim Severity020%
Year-over-Year Trend10015%
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Data from FEMA OpenFEMA (NFIP claims and disaster declarations). Last updated 2026-04-12.