Stamford, Connecticut Flood Zones
Stamford faces coastal flooding from Long Island Sound and riverine flooding from the Rippowam River. The city's dense waterfront development increases the potential impact of storm surge events.
FEMA Flood Risk Profile: Western Connecticut County
Based on FEMA's National Risk Index, which evaluates flood risk at the county level using historical loss data, exposure, and vulnerability.
Inland Flood Risk
Relatively HighEst. annual loss: $183.1M
Coastal Flood Risk
Relatively HighEst. annual loss: $6.7M
Hurricane Risk
Relatively HighEst. annual loss: $44.6M
Source: FEMA National Risk Index, county-level assessment. Individual property risk may vary.
Common Flood Zones in Stamford
Properties in Stamford, CT are commonly designated in these FEMA flood zones:
What Your Flood Zone Means in Stamford
Stamford 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 Stamford are Zone AE, Zone VE, Zone X. FEMA's National Risk Index estimates the county's annual expected loss from inland flooding at over $183.1M. Properties in Stamford'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 Stamford 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 Stamford address.
Flood Insurance Discount: Stamford
Stamford 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 7
SFHA Premium Discount
15% off
CRS classes range from 1 (best) to 10 (no discount). Stamford's Class 7 rating means NFIP policyholders in the SFHA can receive up to a 15% 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.
Check Your Stamford Address
Enter any Stamford, CT address to instantly see its FEMA flood zone, risk level, and whether flood insurance is required.
Free Flood Zone LookupStamford, CT Flood Zone FAQ
What flood zones are in Stamford, CT?
The most common FEMA flood zones in Stamford 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 Stamford?
If your Stamford 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 about 25% of all NFIP flood claims come from Zone X properties.
How do I check my flood zone in Stamford?
Enter your Stamford 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 Stamford offer flood insurance discounts?
Yes. Stamford participates in FEMA's Community Rating System (CRS) with a Class 7 rating, qualifying residents in the Special Flood Hazard Area for up to a 15% discount on NFIP flood insurance premiums. Properties outside the SFHA may receive a 5% discount.
Sources
This page summarizes information from FEMA and other official resources in plain language. For full technical details, see the links below.
- FEMA National Flood Hazard LayerDirect Source
The NFHL is the source of all flood zone data shown on this page.
- FEMA Map Service Center — Search by AddressDirect Source
Look up any address to view FIRM panels, FIS reports, and LOMCs.
- NFHL Data and Map StatusTopic Page
View NFHL coverage and data freshness by state and community.
- FEMA National Risk Index — Data ResourcesDirect Source
County-level risk scores for inland flooding, coastal flooding, and hurricane used in the Flood Risk Profile.
- OpenFEMA Disaster Declarations Summaries API v2Direct Source
Federal disaster declarations filtered for flood-related incident types (Flood, Hurricane, Severe Storm, Coastal Storm).
- OpenFEMA FIMA NFIP Claims API v2Direct Source
Historical NFIP flood insurance claims since 1978, aggregated by county and state. Includes claim counts, payouts, and flood zone breakdowns.
Sources last verified: February 2026