Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 1809 Bayport Blvd, Seabrook, TX 77586

HCAD #0410080020509
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🌍Environmental Assessment

This comprehensive report analyzes both flood risk and industrial pollution exposure for this property. The assessment combines multiple data sources including USGS elevation, FEMA flood zones, historical storm modeling, and EPA Toxic Release Inventory records.

🌊Flood Risk Analysis
FEMA Zone AE
Property Overview

This section shows the fundamental characteristics of the property, including its elevation above sea level, FEMA flood zone designation, and our calculated overall flood risk rating based on historical data and topographic analysis.

Address
1809 Bayport Blvd, Seabrook, TX 77586
Elevation
13.04 ft
Height above sea level from USGS data.
FEMA Flood Zone
AE
High Risk - 1% annual chance with established base flood elevation
Overall Risk
Very High
Property flooded at 9.84ft depth.
Risk Assessment Outputs

These detailed metrics show the technical outputs from our flood risk model. They include predicted water depths at the property during a 5000-year flood event and estimated flood damage based on USACE methodology.

Risk Rating
Very High
Flood Depth
9.84 ft±0.5 ft
Depth of water above ground level.
Water Surface Elevation (WSE)
22.89 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
294.0 acres
99.7% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$0
Vacant lot (no building data).
Depth-Damage (Neighborhood)
$0
Vacant lot (no building data).
Analysis Method
COG Combined 5000 Model
Raster-based flood inundation query
Flood Simulation

This simulation shows whether the property would flood based on a 5000-year flood event with 3m (9.84ft) water level. Use the interactive tool to explore different scenarios.

Property Would Be Flooded
Flood Depth: 9.84 feet
Severity
Severe
Adjust Flood Simulation

The analysis above uses default settings (5000-year flood, 3m/9.84ft water level). To explore different flood scenarios with interactive maps, return to the main tool:

Open Interactive Analysis Tool
Flood Risk Recommendations

Based on the property's flood risk profile, here are specific action items to consider.

#1
Special Flood Hazard Area (SFHA): Flood insurance required for federally backed mortgages
#2
Obtain an Elevation Certificate to determine accurate flood insurance premiums
#3
Property elevation currently above simulated flood level
#4
Maintain flood insurance coverage as required in Special Flood Hazard Areas
#5
Review official FEMA Flood Insurance Rate Map (FIRM) for detailed flood zone boundaries
#6
Contact Harris County Flood Control District (HCFCD) for drainage projects and flood information
🏭Industrial Pollution Exposure
14.1th percentile
Property Pollution Ranking
High
Higher pollution than 86% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
2.99 millionlbs
Extremely High
458.3x more than typical Houston property
≈ 150 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
2.99 millionlbs
Extremely High
620.0x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
310lbs
High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
14
Industrial facilities within 2 miles
💡
Why It Matters: High chemical activity nearby can indicate industrial zones, truck traffic, or potential odor and noise issues. These factors may affect air quality, long-term property desirability, and neighborhood character. This data helps you understand the industrial footprint around your property.
Houston Metro Benchmarks

Comparison with typical Houston properties (based on 10,000 randomly sampled homes). All measurements are for chemicals released within a 2-mile radius.

PeriodTotalAirWater
Typical Houston Property (2014-2024)6,524 lbs4,822 lbs0 lbs
This Property (2014-2024)2,990,139 lbs2,989,829 lbs310 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)263,618 lbs263,542 lbs76 lbs
How This Property Compares to Houston Metro

Based on a random sample of 10,000 Houston properties, this chart shows the distribution of pollution levels across the metro area. The highlighted bar indicates where this property falls compared to other homes. Lower percentiles mean higher pollution exposure.

0-9thMost Polluted
9.9%
10-19th
10.1%
20-29th
9.9%
30-39th
10.1%
40-49th
9.7%
50-59th
10.2%
60-69th
6%
70-79th
5.8%
80-89th
4.3%
90-100thLowest Pollution
34.2%
Higher pollution than 86% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 10-19th percentile.
📋
Top chemicals released near this property (past 10 years):
tert-Butyl alcohol, Propylene, Methanol, Acrylic acid, Propylene oxide
View the full list of 58 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(58 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1tert-Butyl alcohol75-65-0750,524 lbs0 lbs750,524 lbs
2Propylene115-07-1566,101 lbs0 lbs566,101 lbs
3Methanol67-56-1308,137 lbs0 lbs308,137 lbs
4Acrylic acid79-10-7248,318 lbs0 lbs248,318 lbs
5Propylene oxide75-56-9214,725 lbs0 lbs214,725 lbs
6Ethylene74-85-1178,679 lbs0 lbs178,679 lbs
7Benzene71-43-2129,270 lbs0 lbs129,270 lbs
81,3-Butadiene106-99-0105,073 lbs0 lbs105,073 lbs
9Cyclohexane110-82-7102,600 lbs0 lbs102,600 lbs
10Ethylbenzene100-41-466,024 lbs0 lbs66,024 lbs
11Ammonia7664-41-760,756 lbs0 lbs60,756 lbs
12Styrene100-42-551,523 lbs0 lbs51,523 lbs
13Toluene108-88-351,402 lbs0 lbs51,402 lbs
14Isoprene78-79-547,793 lbs0 lbs47,793 lbs
15Molybdenum trioxide1313-27-526,754 lbs0 lbs26,754 lbs
16Dicyclopentadiene77-73-620,009 lbs0 lbs20,009 lbs
17Xylene (mixed isomers)1330-20-712,272 lbs0 lbs12,272 lbs
18Trade SecretTRD SECRT5,905 lbs88 lbs5,993 lbs
19Dimethylamine124-40-35,764 lbs0 lbs5,764 lbs
20Maleic anhydride108-31-65,267 lbs0 lbs5,267 lbs
21Formic acid64-18-64,751 lbs0 lbs4,751 lbs
22Naphthalene91-20-34,536 lbs0 lbs4,536 lbs
23Propyleneimine75-55-83,701 lbs0 lbs3,701 lbs
24Acetonitrile75-05-82,727 lbs0 lbs2,727 lbs
25Formaldehyde50-00-02,574 lbs0 lbs2,574 lbs
26Acrylonitrile107-13-12,062 lbs0 lbs2,062 lbs
27Butyl acrylate141-32-21,939 lbs0 lbs1,939 lbs
28n-Hexane110-54-31,735 lbs0 lbs1,735 lbs
29Ethylene glycol107-21-11,385 lbs0 lbs1,385 lbs
30Ethylene oxide75-21-81,298 lbs0 lbs1,298 lbs
31n-Butyl alcohol71-36-31,230 lbs0 lbs1,230 lbs
32Epichlorohydrin106-89-81,000 lbs0 lbs1,000 lbs
33o-Xylene95-47-6815 lbs0 lbs815 lbs
34Chlorobenzene108-90-7583 lbs0 lbs583 lbs
35Acetaldehyde75-07-0504 lbs0 lbs504 lbs
36Acrolein107-02-8402 lbs0 lbs402 lbs
37Cumene98-82-8369 lbs0 lbs369 lbs
38Hydroquinone123-31-9355 lbs0 lbs355 lbs
39Diethanolamine111-42-2308 lbs0 lbs308 lbs
40Butyraldehyde123-72-8186 lbs0 lbs186 lbs
41Zinc compoundsN98255 lbs113 lbs168 lbs
42Antimony And Antimony CompoundsN01085 lbs77 lbs161 lbs
434,4'-Isopropylidenediphenol80-05-7141 lbs0 lbs141 lbs
44Antimony compoundsN01044 lbs25 lbs69 lbs
45Lead And Lead CompoundsN42032 lbs3 lbs36 lbs
46Zinc (fume or dust)7440-66-626 lbs0 lbs26 lbs
471,2,4-Trimethylbenzene95-63-618 lbs0 lbs18 lbs
48Lead compoundsN42015 lbs1 lbs16 lbs
49Triethylamine121-44-810 lbs0 lbs15 lbs
50Cadmium compoundsN07811 lbs0 lbs11 lbs
51Pyridine110-86-110 lbs0 lbs10 lbs
52Allyl alcohol107-18-610 lbs0 lbs10 lbs
53Chromium7440-47-37 lbs2 lbs9 lbs
54Methyl acrylate96-33-36 lbs0 lbs6 lbs
55Lead7439-92-12 lbs0 lbs2 lbs
56Biphenyl92-52-42 lbs0 lbs2 lbs
57Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0901 lbs0 lbs2 lbs
58Chromium compounds (except for chromite ore mined in the Transvaal Region)N0901 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
tert-Butyl alcohol, Propylene, Acrylic acid, Ethylene, Propylene oxide
View the full list of 38 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(38 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1tert-Butyl alcohol75-65-0101,671 lbs0 lbs101,671 lbs
2Propylene115-07-139,502 lbs0 lbs39,502 lbs
3Acrylic acid79-10-720,902 lbs0 lbs20,902 lbs
4Ethylene74-85-116,290 lbs0 lbs16,290 lbs
5Propylene oxide75-56-915,147 lbs0 lbs15,147 lbs
6Isoprene78-79-512,309 lbs0 lbs12,309 lbs
7Benzene71-43-29,442 lbs0 lbs9,442 lbs
8Methanol67-56-19,227 lbs0 lbs9,227 lbs
9Cyclohexane110-82-78,060 lbs0 lbs8,060 lbs
10Ammonia7664-41-76,500 lbs0 lbs6,500 lbs
111,3-Butadiene106-99-04,450 lbs0 lbs4,450 lbs
12Ethylbenzene100-41-43,948 lbs0 lbs3,948 lbs
13Styrene100-42-53,598 lbs0 lbs3,598 lbs
14Molybdenum trioxide1313-27-53,114 lbs0 lbs3,114 lbs
15Toluene108-88-32,705 lbs0 lbs2,705 lbs
16Dicyclopentadiene77-73-62,368 lbs0 lbs2,368 lbs
17Maleic anhydride108-31-61,173 lbs0 lbs1,173 lbs
18Acrylonitrile107-13-1883 lbs0 lbs883 lbs
19Butyl acrylate141-32-2848 lbs0 lbs848 lbs
20Naphthalene91-20-3303 lbs0 lbs303 lbs
21Xylene (mixed isomers)1330-20-7223 lbs0 lbs223 lbs
22Formic acid64-18-6175 lbs0 lbs175 lbs
23n-Hexane110-54-3160 lbs0 lbs160 lbs
24Formaldehyde50-00-0151 lbs0 lbs151 lbs
25Ethylene oxide75-21-8145 lbs0 lbs145 lbs
26Chlorobenzene108-90-7100 lbs0 lbs100 lbs
27Trade SecretTRD SECRT0 lbs46 lbs46 lbs
28Antimony And Antimony CompoundsN01026 lbs19 lbs45 lbs
29Propyleneimine75-55-832 lbs0 lbs32 lbs
30Acrolein107-02-828 lbs0 lbs28 lbs
31Hydroquinone123-31-923 lbs0 lbs23 lbs
32Zinc compoundsN98213 lbs10 lbs22 lbs
33Ethylene glycol107-21-110 lbs0 lbs10 lbs
34Zinc (fume or dust)7440-66-69 lbs0 lbs9 lbs
35Chromium7440-47-34 lbs1 lbs4 lbs
36Lead And Lead CompoundsN4202 lbs1 lbs3 lbs
37Methyl acrylate96-33-32 lbs0 lbs2 lbs
384,4'-Isopropylidenediphenol80-05-71 lbs0 lbs1 lbs
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