Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 4501 Coachman Dr, Baytown, TX 77521

HCAD #1011700000001
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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 X
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
4501 Coachman Dr, Baytown, TX 77521
Building Size
2,274sqft
Total structure area from HCAD building records.
Elevation
21.84 ft
Height above sea level from USGS data.
FEMA Flood Zone
X
Moderate to Low Risk - Outside 500-year floodplain
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)
31.68 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
292.7 acres
99.2% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$132,947
Based on HCAD building value of $204,535.
Depth-Damage (Neighborhood)
$104,250
Based on neighborhood replacement cost.
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
Minimal flood hazard area - property outside mapped high-risk zones
#2
Flood insurance available at preferred rates - over 25% of claims occur in low-risk areas
#3
Review official FEMA Flood Insurance Rate Map (FIRM) for detailed flood zone boundaries
#4
Contact Harris County Flood Control District (HCFCD) for drainage projects and flood information
🏭Industrial Pollution Exposure
25.5th percentile
Property Pollution Ranking
Moderate
Higher pollution than 75% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
473 thousandlbs
Very High
72.6x more than typical Houston property
≈ 24 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
473 thousandlbs
Very High
98.2x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
35lbs
Above Typical
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
7
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)473,399 lbs473,364 lbs35 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)45,797 lbs45,797 lbs0 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 75% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 20-29th percentile.
📋
Top chemicals released near this property (past 10 years):
Cyclohexane, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), 1,3-Butadiene, n-Hexane, Naphthalene
View the full list of 23 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(23 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Cyclohexane110-82-7224,241 lbs10 lbs224,251 lbs
2Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-971,365 lbs0 lbs71,365 lbs
31,3-Butadiene106-99-060,572 lbs5 lbs60,577 lbs
4n-Hexane110-54-334,842 lbs10 lbs34,852 lbs
5Naphthalene91-20-325,104 lbs0 lbs25,104 lbs
6Styrene100-42-517,649 lbs10 lbs17,660 lbs
7Propylene115-07-116,138 lbs0 lbs16,138 lbs
8Ammonia7664-41-79,568 lbs0 lbs9,568 lbs
9Methanol67-56-16,826 lbs0 lbs6,826 lbs
10Toluene108-88-32,071 lbs0 lbs2,071 lbs
11Hydrogen sulfide7783-06-41,665 lbs0 lbs1,665 lbs
12Isoprene78-79-51,217 lbs0 lbs1,217 lbs
13Ethylbenzene100-41-4897 lbs0 lbs897 lbs
14Benzene71-43-2604 lbs0 lbs604 lbs
15Dicyclopentadiene77-73-6146 lbs0 lbs146 lbs
16Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-0140 lbs0 lbs140 lbs
17Xylene (mixed isomers)1330-20-7132 lbs0 lbs132 lbs
18Vanadium compoundsN770102 lbs0 lbs102 lbs
19Ethylene glycol107-21-145 lbs0 lbs45 lbs
20Biphenyl92-52-420 lbs0 lbs20 lbs
21Carbon disulfide75-15-014 lbs0 lbs14 lbs
22Anthracene120-12-72 lbs0 lbs2 lbs
23Lead7439-92-12 lbs0 lbs2 lbs
📋
Top chemicals released near this property (2024 only):
Cyclohexane, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), 1,3-Butadiene, n-Hexane, Styrene
View the full list of 17 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(17 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Cyclohexane110-82-719,632 lbs0 lbs19,632 lbs
2Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-912,133 lbs0 lbs12,133 lbs
31,3-Butadiene106-99-04,654 lbs0 lbs4,654 lbs
4n-Hexane110-54-33,532 lbs0 lbs3,532 lbs
5Styrene100-42-52,073 lbs0 lbs2,073 lbs
6Isoprene78-79-51,197 lbs0 lbs1,197 lbs
7Naphthalene91-20-3859 lbs0 lbs859 lbs
8Propylene115-07-1464 lbs0 lbs464 lbs
9Ammonia7664-41-7447 lbs0 lbs447 lbs
10Hydrogen sulfide7783-06-4296 lbs0 lbs296 lbs
11Toluene108-88-3287 lbs0 lbs287 lbs
12Ethylbenzene100-41-4120 lbs0 lbs120 lbs
13Benzene71-43-244 lbs0 lbs44 lbs
14Xylene (mixed isomers)1330-20-729 lbs0 lbs29 lbs
15Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-025 lbs0 lbs25 lbs
16Ethylene glycol107-21-15 lbs0 lbs5 lbs
17Vanadium compoundsN7701 lbs0 lbs1 lbs
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