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FludZone

Baytown, TX Flood Zone Lookup

Last updated: March 2026

Baytown is a petrochemical hub on the Houston Ship Channel facing hurricane storm surge and San Jacinto River flooding. Both Hurricane Harvey and Hurricane Ike caused major flood damage to industrial and residential areas.

Harris County has recorded 170,766 NFIP flood insurance claims since 1978, totaling $8.7B 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

262,391

Harris County

Avg. Premium

$931/yr

Harris County

FEMA Flood Risk Profile: Harris 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

Very High

Est. annual loss: $1.1B

Coastal Flood Risk

Relatively High

Est. annual loss: $2.5M

Hurricane Risk

Very High

Est. annual loss: $457.9M

Social Vulnerability: Relatively High
Community Resilience: Very Low

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

Federal Flood Disaster History: Harris County

Harris County has been included in 25 federal flood-related disaster declarations.

2024Hurricane BerylHurricane
2024Severe Storms, Straight-Line Winds, Tornadoes, and FloodingFlood
2020Tropical Storms Marco and LauraHurricane
2020Hurricane HannaHurricane
2019Tropical Storm ImeldaFlood
2017Hurricane HarveyHurricane
2016Severe Storms and FloodingFlood
2008Hurricane IkeHurricane

...and 17 earlier declarations since 1989.

These declarations affected communities across Harris County, including Baytown.

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

NFIP Flood Insurance Claims: Harris County

Properties in Harris County have filed 170,766 NFIP flood insurance claims totaling $8.7B in payouts since 1978. The average claim payout is $51K.

Highest-Claim Years

2017

49,785 claims - $5.4B

2001

22,946 claims - $869.8M

2008

13,716 claims - $420.1M

Claims by Flood Zone

Zone X
91,679(avg. $45K)
Zone AE
56,756(avg. $73K)
Zone A
16,865(avg. $22K)
Zone AO
892(avg. $42K)
Zone AOB
488(avg. $33K)

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

Active NFIP Policies: Harris County

Harris County currently has 262,391 active NFIP flood insurance policies with an average annual premium of $931, totaling $244.4M in annual premiums.

Average Annual Premium

Harris County$931
National Average$915

Policies by Flood Zone

Zone X
187,175(avg. $824/yr)
Zone AE
72,208(avg. $1,196/yr)
Zone A
1,151(avg. $1,152/yr)
Zone VE
1,023(avg. $1,673/yr)
Zone AO
824(avg. $987/yr)

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

Flood Insurance Coverage: Harris County

Only roughly 1 in 7 households in Harris County carries NFIP flood insurance (14% of estimated households). This county has elevated flood risk with below-average insurance coverage, meaning many flood losses may go uninsured.

Penetration Rate

14%

roughly 1 in 7 households

Historical Claims Ratio

1 in 2

170,766 claims over 45+ years across 262,391 current policies

Avg. Claim Payout

$51,180

Per claim, county-wide since 1978

Historically, Harris County 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 March 2026, claims since 1978 (March 2026), population from FEMA NRI. All figures are county-wide and include Baytown.

What Your Flood Zone Means in Baytown

Baytown 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 Baytown are Zone AE, Zone VE, Zone X. FEMA's National Risk Index estimates the county's annual expected loss from inland flooding at over $1.1B. Properties in Baytown'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 Baytown 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 Baytown address.

Repetitive Loss Properties: Harris County

Harris County has 19,894 properties with multiple flood insurance losses, including 3,736 severe repetitive loss properties. 1,208 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

19,894

2+ claims within 10 years

Severe Repetitive Loss

3,736

4+ claims or 2 exceeding value

Mitigated

1,208

Received FEMA mitigation

By Flood Zone

Zone AE
10,546
Zone X
8,187
Zone A
787
Zone AO
119
Zone VE
112

Zone data available for 19,751 of 19,894 properties.

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

Recorded Flood Events: Harris County

NOAA has recorded 224 flood events in Harris County since 1996, causing $10.3B in damage and 70 deaths.

Costliest Events

August 26, 2017Flash Flood$10.0B
September 19, 2019Flash Flood$200M
April 17, 2016Flash Flood$35M
May 25, 2015Flash Flood$25M
April 28, 2009Flash Flood$15M

Events by Type

Flash Flood
216
Flood
8

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

Flood Mitigation: Harris County

FEMA has funded mitigation for 6,500 properties in Harris County, investing $349.3M 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

Acquisition
5,388
Elevation
731
Other
298
Retrofit
44
Floodproofing
28

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

Flood Insurance Discount: Baytown

Baytown 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). Baytown'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, April 2026. Discounts apply to NFIP policies only.

Baytown, TX Flood Zone FAQ

What flood zones are in Baytown, TX?

The most common FEMA flood zones in Baytown 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 Baytown?

If your Baytown 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 Baytown?

Enter your Baytown 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 Baytown offer flood insurance discounts?

Yes. Baytown 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 Baytown experienced major flooding events?

Harris County, where Baytown is located, has been part of 25 federal disaster declarations for flooding, hurricanes, or severe storms. The most recent was Hurricane Beryl 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 Baytown?

Harris County has recorded 170,766 NFIP flood insurance claims totaling $8.7B in payouts since 1978. The year with the most claims was 2017, with 49,785 claims and $5.4B in payouts. These figures cover all NFIP claims in the county, including Baytown.

How many flood insurance policies are active in Baytown?

Harris County currently has 262,391 active NFIP flood insurance policies with an average annual premium of $931. The most policies are in Zone X (187,175 policies). These figures cover all active NFIP policies in the county.

How many Baytown properties have flooded repeatedly?

Harris County has 19,894 properties with multiple flood losses on record, including 3,736 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 Baytown 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 Baytown?

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 Baytown'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 Baytown, TX Address

Enter a Baytown, TX 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.