St. Augustine, FL Flood Zone Lookup
Last updated: March 2026
St. Augustine, the oldest city in the nation, faces coastal flooding from the Matanzas River and Intracoastal Waterway that threaten its historic downtown district. Hurricane Matthew in 2016 inundated the historic core with record storm surge, demonstrating the vulnerability of this low-lying city to Atlantic hurricanes.
St. Johns County has recorded 7,637 NFIP flood insurance claims since 1978, totaling $250.2M in payouts. Explore the full NFIP claims data by state and county to see how this area compares nationally.
FEMA Region
Region 4
NFIP Policies
37,877
St. Johns County
Avg. Premium
$788/yr
St. Johns County
FEMA Flood Risk Profile: St. Johns 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 ModerateEst. annual loss: $51.5M
Coastal Flood Risk
Relatively HighEst. annual loss: $7.8M
Hurricane Risk
Relatively HighEst. annual loss: $22.5M
Source: FEMA National Risk Index, county-level assessment. Individual property risk may vary.
Federal Flood Disaster History: St. Johns County
St. Johns County has been included in 21 federal flood-related disaster declarations.
...and 13 earlier declarations since 1999.
These declarations affected communities across St. Johns County, including St. Augustine.
Source: OpenFEMA Disaster Declarations Summaries API. Data sourced February 2026.
NFIP Flood Insurance Claims: St. Johns County
Properties in St. Johns County have filed 7,637 NFIP flood insurance claims totaling $250.2M in payouts since 1978. The average claim payout is $33K.
Highest-Claim Years
2016
3,456 claims - $146.7M
2017
1,723 claims - $62.0M
2022
1,001 claims - $30.9M
Claims by Flood Zone
Source: OpenFEMA NFIP Claims API. Data sourced March 2026. See national claims data.
Flood Insurance Coverage: St. Johns County
Only roughly 1 in 3 households in St. Johns County carries NFIP flood insurance (35% of estimated households).
Penetration Rate
35%
roughly 1 in 3 households
Historical Claims Ratio
1 in 5
7,637 claims over 45+ years across 37,877 current policies
Avg. Claim Payout
$32,760
Per claim, county-wide since 1978
Historically, St. Johns County has averaged 1 claim for every 5 active policies (since 1978). This compares cumulative claims against today's policy count and does not predict future claim likelihood.
Coverage data: NFIP policies as of March 2026, claims since 1978 (March 2026), population from FEMA NRI. All figures are county-wide and include St. Augustine.
What Your Flood Zone Means in St. Augustine
St. Augustine 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 St. Augustine are Zone AE, Zone VE, Zone X. FEMA's National Risk Index estimates the county's annual expected loss from inland flooding at over $51.5M. Properties in St. Augustine'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 St. Augustine 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 St. Augustine address.
Repetitive Loss Properties: St. Johns County
St. Johns County has 1,190 properties with multiple flood insurance losses, including 142 severe repetitive loss properties. 15 properties have received FEMA mitigation funding. Severe repetitive loss is a subset of multiple loss, not a separate count. Data sourced March 2026.
Multiple Loss
1,190
2+ claims within 10 years
Severe Repetitive Loss
142
4+ claims or 2 exceeding value
Mitigated
15
Received FEMA mitigation
By Flood Zone
Zone data available for 1,188 of 1,190 properties.
Source: OpenFEMA NFIP Multiple Loss Properties. Data sourced March 2026.
Recorded Flood Events: St. Johns County
NOAA has recorded 54 flood events in St. Johns County since 1996, causing $39.3M in damage.
Costliest Events
Events by Type
Source: NOAA Storm Events Database, 1996-2026. Data sourced March 2026.
Flood Mitigation: St. Johns County
FEMA has funded mitigation for 23 properties in St. Johns County, investing $758.2M in flood risk reduction. Common mitigation actions include acquisition (buying and demolishing flood-prone structures), elevation (raising buildings above flood level), and safe rooms (wind/storm shelters for tornado and hurricane protection).
By Action Type
Source: OpenFEMA Hazard Mitigation Assistance. Data sourced March 2026.
Flood Insurance Discount: St. Augustine
St. Augustine 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 5
SFHA Premium Discount
25% off
CRS classes range from 1 (best) to 10 (no discount). St. Augustine's Class 5 rating means NFIP policyholders in the SFHA can receive up to a 25% discount on their flood insurance premiums. Properties outside the SFHA may receive a 10% discount.
Source: FEMA Community Rating System, October 2025. Discounts apply to NFIP policies only.
St. Augustine, FL Flood Zone FAQ
What flood zones are in St. Augustine, FL?
The most common FEMA flood zones in St. Augustine 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 St. Augustine?
If your St. Augustine 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 St. Augustine?
Enter your St. Augustine 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 St. Augustine offer flood insurance discounts?
Yes. St. Augustine participates in FEMA's Community Rating System (CRS) with a Class 5 rating, qualifying residents in the Special Flood Hazard Area for up to a 25% discount on NFIP flood insurance premiums. Properties outside the SFHA may receive a 10% discount.
Has St. Augustine experienced major flooding events?
St. Johns County, where St. Augustine is located, has been part of 21 federal disaster declarations for flooding, hurricanes, or severe storms. The most recent was Hurricane Milton in 2024. Federal disaster declarations are issued when flooding overwhelms local resources and triggers FEMA assistance programs.
How many flood insurance claims have been filed in St. Augustine?
St. Johns County has recorded 7,637 NFIP flood insurance claims totaling $250.2M in payouts since 1978. The year with the most claims was 2016, with 3,456 claims and $146.7M in payouts. These figures cover all NFIP claims in the county, including St. Augustine.
How many flood insurance policies are active in St. Augustine?
St. Johns County currently has 37,877 active NFIP flood insurance policies with an average annual premium of $788. The most policies are in Zone X (22,742 policies). These figures cover all active NFIP policies in the county.
How many St. Augustine properties have flooded repeatedly?
St. Johns County has 1,190 properties with multiple flood losses on record, including 142 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 St. Augustine 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 St. Augustine?
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 St. Augustine'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.
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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.