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Westport, Connecticut Flood Zones

Last updated: March 2026

Westport faces coastal flooding from Long Island Sound and riverine flooding from the Saugatuck River. Storm surge from nor'easters and hurricanes threatens waterfront properties, and tidal flooding is increasing with sea level rise along the Connecticut shoreline.

The county has recorded 12,618 NFIP flood insurance claims since 1978, totaling $280.2M in payouts. Explore the full NFIP claims data by state and county to see how this area compares nationally.

FEMA Region

Region 1

NFIP Policies

1

Avg. Premium

$4,015/yr

Federal Flood Disaster History: Fairfield County

Fairfield County has been included in 14 federal flood-related disaster declarations.

2021Remnants of Hurricane IdaHurricane
2021Tropical Storm IsaiasHurricane
2021Hurricane HenriHurricane
2020Tropical Storm IsaiasHurricane
2012Hurricane SandyHurricane
2011Tropical Storm IreneHurricane
2011Hurricane IreneHurricane
2005Hurricane Katrina EvacuationHurricane

...and 6 earlier declarations since 1982.

These declarations affected communities across Fairfield County, including Westport.

Source: OpenFEMA Disaster Declarations Summaries API. Data sourced February 2026.

NFIP Flood Insurance Claims: Fairfield County

Properties in Fairfield County have filed 12,618 NFIP flood insurance claims totaling $280.2M in payouts since 1978. The average claim payout is $22K.

Highest-Claim Years

2012

3,225 claims - $153.5M

1992

1,581 claims - $26.9M

2011

1,380 claims - $23.1M

Claims by Flood Zone

Zone AE
4,417(avg. $30K)
Zone A
4,210(avg. $19K)
Zone X
2,464(avg. $19K)
Zone V
658(avg. $15K)
Zone VE
261(avg. $36K)

Source: OpenFEMA NFIP Claims API. Data sourced March 2026. See national claims data.

Active NFIP Policies: Fairfield County

Fairfield County currently has 1 active NFIP flood insurance policies with an average annual premium of $4,015, totaling $4K in annual premiums.

Average Annual Premium

Fairfield County$4,015
National Average$915

Policies by Flood Zone

Zone AE
1(avg. $4,015/yr)

Source: OpenFEMA NFIP Policies API. Data sourced March 2026.

Repetitive Loss Properties: Fairfield County

Fairfield County has 1,337 properties with multiple flood losses, including 159 severe repetitive loss properties. 42 properties have been mitigated.

Multiple Loss

1,337

Severe Rep. Loss

159

Mitigated

42

By Flood Zone

Zone AE
795
Zone A
200
Zone X
171
Zone VE
136
Zone V
23

Source: OpenFEMA NFIP Multiple Loss Properties. Data sourced March 2026.

Recorded Flood Events: FAIRFIELD County

NOAA has recorded 193 flood events in FAIRFIELD County since 1996, causing $18.8M in damage and 2 deaths.

Costliest Events

11-AUG-00Flash Flood$6M
01-SEP-21Flash Flood$5.1M
11-OCT-07Flash Flood$2M
30-MAR-10Flood$2M
30-MAR-10Flood$2M

Events by Type

Flash Flood
169
Flood
24

Source: NOAA Storm Events Database, 1996-2026. Data sourced March 2026.

Flood Mitigation: Fairfield County

FEMA has funded mitigation for 175 properties in Fairfield County, investing $19.8M in flood risk reduction.

By Action Type

Elevation
150
Acquisition
14
Other (Specify in Comments)
6
Floodproofing
3
Other
2

Source: OpenFEMA Hazard Mitigation Assistance. Data sourced March 2026.

What Your Flood Zone Means in Westport

Westport faces a combination of coastal and inland flood risks. Storm surge from hurricanes and tropical storms pushes seawater inland, while heavy rainfall simultaneously overwhelms rivers, bayous, and drainage infrastructure. This dual threat means flooding can come from multiple directions at once. The most common FEMA flood zone designations in Westport are Zone AE, Zone VE, Zone X. Properties in Westport's VE zones face additional wave action risk beyond still-water flooding, which typically results in higher insurance premiums and stricter building requirements.

Combined coastal and inland flood exposure in Westport means properties may face higher premiums than areas with only one flood source. FEMA's Risk Rating 2.0 accounts for multiple flood sources, including coastal surge distance, river proximity, and rainfall-driven flooding. If your property is in a Special Flood Hazard Area (SFHA) and you have a federally regulated or government-backed mortgage, federal law generally requires your lender to ensure you carry flood insurance.

Flood maps in areas with combined coastal and inland risk are among the most complex in the FEMA system. Major storms often trigger FEMA restudies that can significantly shift zone boundaries. Letters of Map Revision (LOMR) after hurricanes may expand SFHA coverage as new storm data is incorporated. Use our free lookup tool to check the current flood zone for any Westport address.

Flood Insurance Discount: Westport

Westport participates in FEMA's Community Rating System (CRS), a voluntary program that rewards communities for flood mitigation efforts beyond minimum NFIP requirements. Residents in the Special Flood Hazard Area may qualify for reduced flood insurance premiums.

CRS Class

Class 8

SFHA Premium Discount

10% off

CRS classes range from 1 (best) to 10 (no discount). Westport's Class 8 rating means NFIP policyholders in the SFHA can receive up to a 10% discount on their flood insurance premiums. Properties outside the SFHA may receive a 5% discount.

Source: FEMA Community Rating System, October 2025. Discounts apply to NFIP policies only.

Westport, CT Flood Zone FAQ

What flood zones are in Westport, CT?

The most common FEMA flood zones in Westport are Zone AE, Zone VE, Zone X. Properties in these high-risk zones (SFHA) may require flood insurance with a federally regulated or government-backed mortgage.

Is flood insurance required in Westport?

If your Westport property is in a Special Flood Hazard Area (SFHA) and you have a federally regulated or government-backed mortgage, federal law generally requires your lender to ensure you carry flood insurance. Properties in Zone X are not federally required to carry flood insurance, though coverage is still recommended since over 40% of all NFIP flood claims come from Zone X properties.

How do I check my flood zone in Westport?

Enter your Westport address in the search tool above for an instant flood zone determination. Results include your FEMA flood zone, SFHA status, base flood elevation (if available), and FIRM panel information, pulled directly from FEMA's National Flood Hazard Layer.

Does Westport offer flood insurance discounts?

Yes. Westport participates in FEMA's Community Rating System (CRS) with a Class 8 rating, qualifying residents in the Special Flood Hazard Area for up to a 10% discount on NFIP flood insurance premiums. Properties outside the SFHA may receive a 5% discount.

Has Westport experienced major flooding events?

Fairfield County, where Westport is located, has been part of 14 federal disaster declarations for flooding, hurricanes, or severe storms. The most recent was Remnants of Hurricane Ida in 2021. Federal disaster declarations are issued when flooding overwhelms local resources and triggers FEMA assistance programs.

How many flood insurance claims have been filed in Westport?

Fairfield County has recorded 12,618 NFIP flood insurance claims totaling $280.2M in payouts since 1978. The year with the most claims was 2012, with 3,225 claims and $153.5M in payouts. These figures cover all NFIP claims in the county, including Westport.

How many flood insurance policies are active in Westport?

Fairfield County currently has 1 active NFIP flood insurance policies with an average annual premium of $4,015. The most policies are in Zone AE (1 policies). These figures cover all active NFIP policies in the county.

How many Westport properties have flooded repeatedly?

Fairfield County has 1,337 properties with multiple flood losses on record, including 159 severe repetitive loss properties. These are properties that have experienced four or more NFIP claims of $5,000+ or two claims exceeding the building value.

Can my Westport property be removed from a high-risk flood zone?

Yes, if your property's natural ground elevation is above the Base Flood Elevation and FEMA inadvertently mapped it in a high-risk zone, you can apply for a Letter of Map Amendment (LOMA). A successful LOMA removes the property from the Special Flood Hazard Area, generally eliminating the federal mandatory flood insurance requirement. You will need an elevation certificate from a licensed surveyor. If a property was raised above the BFE with fill material, the process is a LOMR-F rather than a LOMA.

What is Base Flood Elevation in Westport?

Base Flood Elevation (BFE) is the predicted height of floodwaters during a 1% annual chance (100-year) flood, shown on FEMA maps as an elevation number in feet above sea level. In Westport's Zone AE and Zone VE areas, BFE lines appear on the FIRM as wavy contours labeled with elevation values. Properties with a lowest floor at or above the BFE typically qualify for significantly lower NFIP flood insurance premiums.

Look Up Any Westport, CT Address

Enter a Westport, CT address to instantly check its FEMA flood zone designation, SFHA status, and insurance requirements.

Disclaimer: Flood risk data on this page is sourced from FEMA datasets including the National Risk Index, NFIP claims and policy records, disaster declarations, and the Community Rating System. These datasets were last extracted on March 2026 and may not reflect the most recent changes. This page is for informational purposes only and is not a certified flood zone determination. Always verify current flood zone status through FEMA or a licensed determination provider before making property, insurance, or lending decisions.