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St. Charles Parish, LA Flood Zone Map

Last updated: August 2026

St. Charles Parish spans both banks of the Mississippi River between Baton Rouge and New Orleans. The West Bank communities of Des Allemands and Luling face the parish's greatest storm surge risk near Lake Pontchartrain and Lake Salvador, while East Bank communities rely on the Lake Pontchartrain and Vicinity hurricane protection system.

St. Charles Parish has recorded 7,566 NFIP flood insurance claims since 1978, totaling $159.8M in payouts. Explore the full NFIP claims data by state and county to see how this area compares nationally.

FEMA Region

Region 6

NFIP Policies

12,470

St. Charles Parish

Avg. Premium

$1,135/yr

St. Charles Parish

Active NFIP Policies: St. Charles Parish

St. Charles Parish currently has 12,470 active NFIP flood insurance policies with an average annual premium of $1,135, totaling $14.1M in annual premiums.

Average Annual Premium

St. Charles Parish$1,135
National Average$915

Policies by Flood Zone

Zone A
4,893(avg. $915/yr)
Zone X
3,747(avg. $1,109/yr)
Zone AE
3,157(avg. $1,522/yr)
Zone AH
626(avg. $1,066/yr)
Zone AHB
47(avg. $966/yr)

Source: OpenFEMA NFIP Policies API. Reflects policies with an effective date in the trailing 13 months (July 1, 2025 through August 16, 2026) - a 12-month policy term plus a 1-month buffer for OpenFEMA's own reporting lag - as an approximation of currently active policies, not a certified point-in-time count. Policies renewed early in this window may be counted twice, so actual totals may be somewhat lower than shown.

See the full flood insurance cost guide for how premiums vary by zone and risk factor.

NFIP Flood Insurance Claims: St. Charles Parish

Properties in St. Charles Parish have filed 7,566 NFIP flood insurance claims totaling $159.8M in payouts since 1978. The average claim payout is $21K.

Highest-Claim Years

1995

2,031 claims - $55.7M

2005

1,797 claims - $13.1M

2021

748 claims - $22.7M

Claims by Flood Zone

Zone A
2,420(avg. $24K)
Zone X
1,914(avg. $14K)
Zone AE
1,473(avg. $21K)
Zone AHB
1,390(avg. $27K)
Zone AH
159(avg. $22K)

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

Flood Insurance Coverage: St. Charles Parish

Only roughly 1 in 2 households in St. Charles Parish carries NFIP flood insurance (60% of estimated households).

Penetration Rate

60%

roughly 1 in 2 households

Historical Claims Ratio

1 in 2

7,566 claims over 45+ years across 12,470 current policies

Avg. Claim Payout

$21,120

Per claim, county-wide since 1978

Historically, St. Charles Parish has averaged 1 claim for every 2 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 August 2026, claims since 1978 (August 2026), population from FEMA NRI. All figures are county-wide and include St. Charles Parish.

Not sure whether you're required to carry it? See do I need flood insurance?, or compare NFIP vs. private flood insurance.

Repetitive Loss Properties: St. Charles Parish

St. Charles Parish has 875 properties with multiple flood insurance losses, including 160 severe repetitive loss properties. 94 properties have received FEMA mitigation funding. Severe repetitive loss is a subset of multiple loss, not a separate count. Data sourced August 2026.

Multiple Loss

875

2+ claims within 10 years

Severe Repetitive Loss

160

4+ claims or 2 exceeding value

Mitigated

94

Received FEMA mitigation

By Flood Zone

Zone A
520
Zone AE
159
Zone X
112
Zone AHB
45
Zone AH
38

Zone data available for 874 of 875 properties.

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

Flood Insurance Discount: St. Charles Parish

St. Charles Parish has no CRS rating of its own, but it sits in St. Charles Parish, which 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). St. Charles Parish'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, April 2026. Discounts apply to NFIP policies only.

Federal Flood Disaster History: St. Charles Parish

St. Charles Parish has been included in 42 federal flood-related disaster declarations.

2024Hurricane FrancineHurricane
2024Tropical Storm FrancineHurricane
2021Hurricane IdaHurricane
2021Hurricane ZetaHurricane
2021Tropical Storm NicholasCoastal Storm
2021Tropical Storm IdaHurricane
2020Hurricane DeltaHurricane
2020Hurricane LauraHurricane

...and 34 earlier declarations since 2012.

These declarations affected communities across St. Charles Parish, including St. Charles Parish.

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

Recorded Flood Events: St. Charles Parish

NOAA has recorded 60 flood events in St. Charles Parish since 1996, causing $55.1M in damage.

Costliest Events

September 11, 2024Flash Flood$52.5M
July 17, 2025Flash Flood$700K
September 15, 2021Flash Flood$500K
August 11, 2016Flash Flood$485K
April 25, 2004Flash Flood$400K

Events by Type

Flash Flood
56
Flood
3
Storm Surge/Tide
1

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

Flood Mitigation: St. Charles Parish

FEMA has funded mitigation for 396 properties in St. Charles Parish, investing $26.9M 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

Elevation
321
Other
70
Acquisition
3
Floodproofing
1
Retrofit
1

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

FEMA Flood Risk Profile: St. Charles Parish

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 Low

Est. annual loss: $7.6M

Coastal Flood Risk

Very High

Est. annual loss: $13.1M

Hurricane Risk

Relatively High

Est. annual loss: $28.6M

Social Vulnerability: Relatively Moderate
Community Resilience: Very High

Source: FEMA National Risk Index, county-level assessment. Individual property risk may vary.

What Your Flood Zone Means in St. Charles Parish

St. Charles Parish 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. Charles Parish are Zone AE, Zone VE, Zone X. FEMA's National Risk Index estimates the county's annual expected loss from inland flooding at over $7.6M. The county is rated "Very High" for coastal flood risk by FEMA's National Risk Index. Properties in St. Charles Parish'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. Charles Parish 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. Charles Parish address.

St. Charles Parish, LA Flood Zone FAQ

What flood zones are in St. Charles Parish, LA?

The most common FEMA flood zones in St. Charles Parish 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. Charles Parish?

If your St. Charles Parish 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 a quarter of all NFIP flood claims come from properties outside high-risk zones.

How do I check my flood zone in St. Charles Parish?

Enter your St. Charles Parish 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. Charles Parish offer flood insurance discounts?

St. Charles Parish itself has no CRS rating, but it sits in St. Charles Parish, which participates in FEMA's Community Rating System (CRS) with a Class 7 rating. Residents in the Special Flood Hazard Area qualify for up to a 15% discount on NFIP flood insurance premiums. Properties outside the SFHA may receive a 5% discount.

Has St. Charles Parish experienced major flooding events?

St. Charles Parish, where St. Charles Parish is located, has been part of 42 federal disaster declarations for flooding, hurricanes, or severe storms. The most recent was Hurricane Francine 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. Charles Parish?

St. Charles Parish has recorded 7,566 NFIP flood insurance claims totaling $159.8M in payouts since 1978. The year with the most claims was 1995, with 2,031 claims and $55.7M in payouts. These figures cover all NFIP claims in the county, including St. Charles Parish.

How many flood insurance policies are active in St. Charles Parish?

St. Charles Parish currently has 12,470 active NFIP flood insurance policies with an average annual premium of $1,135. The most policies are in Zone A (4,893 policies). These figures cover all active NFIP policies in the county.

How many St. Charles Parish properties have flooded repeatedly?

St. Charles Parish has 875 properties with multiple flood losses on record, including 160 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. Charles Parish 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. Charles Parish?

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. Charles Parish'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.

See the Flood Map for Any St. Charles Parish, LA Address

Enter a St. Charles Parish, LA address to view its FEMA flood map, 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 August 2026 and may not reflect the most recent changes. Always verify current flood zone status through FEMA or a licensed determination provider before making property, insurance, or lending decisions.