Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 2403 Appelt Dr, Houston, TX 77015

HCAD #1289680010001
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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
2403 Appelt Dr, Houston, TX 77015
Elevation
21.74 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)
31.58 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
256.0 acres
86.8% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$1,563,959
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
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
19.3th percentile
Property Pollution Ranking
High
Higher pollution than 81% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
1 millionlbs
Extremely High
153.5x more than typical Houston property
≈ 50 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
996 thousandlbs
Extremely High
206.4x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
6 thousandlbs
Very High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
10
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)1,001,525 lbs995,529 lbs5,996 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)139,745 lbs139,732 lbs11 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 81% 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):
Ethylene glycol, 1,2,4-Trimethylbenzene, Chlorine, Xylene (mixed isomers), n-Butyl alcohol
View the full list of 35 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(35 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Ethylene glycol107-21-1342,485 lbs0 lbs342,485 lbs
21,2,4-Trimethylbenzene95-63-6131,502 lbs0 lbs131,502 lbs
3Chlorine7782-50-591,683 lbs0 lbs91,683 lbs
4Xylene (mixed isomers)1330-20-766,479 lbs0 lbs66,479 lbs
5n-Butyl alcohol71-36-366,005 lbs0 lbs66,005 lbs
6Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-056,509 lbs0 lbs56,509 lbs
7Chlorodifluoromethane (HCFC-22)75-45-646,271 lbs0 lbs46,271 lbs
8Certain glycol ethersN23035,260 lbs0 lbs35,260 lbs
9Chlorothalonil1897-45-629,974 lbs83 lbs30,057 lbs
10Ammonia7664-41-720,534 lbs3,477 lbs24,011 lbs
11Naphthalene91-20-320,173 lbs0 lbs20,174 lbs
12Ethylbenzene100-41-415,682 lbs0 lbs15,682 lbs
13Carbon tetrachloride56-23-514,345 lbs12 lbs14,358 lbs
14Cyclohexane110-82-712,697 lbs0 lbs12,697 lbs
15m-Xylene108-38-311,963 lbs54 lbs12,017 lbs
16n-Hexane110-54-310,259 lbs0 lbs10,259 lbs
17Vanadium compoundsN7706,236 lbs2,153 lbs8,389 lbs
18Benzene71-43-24,508 lbs0 lbs4,508 lbs
19Biphenyl92-52-43,407 lbs0 lbs3,407 lbs
20Hydrogen cyanide74-90-83,231 lbs0 lbs3,231 lbs
21Toluene108-88-32,431 lbs0 lbs2,431 lbs
22Chromium compounds (except for chromite ore mined in the Transvaal Region)N0901,236 lbs41 lbs1,277 lbs
23Methanol67-56-11,071 lbs0 lbs1,071 lbs
24Hexachlorobenzene118-74-11,002 lbs1 lbs1,003 lbs
25Antimony compoundsN010235 lbs0 lbs235 lbs
26Nickel7440-02-071 lbs42 lbs113 lbs
27Cumene98-82-8107 lbs0 lbs108 lbs
28Chromium7440-47-362 lbs15 lbs77 lbs
29Copper7440-50-815 lbs43 lbs58 lbs
30Manganese7439-96-524 lbs22 lbs46 lbs
31Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0900 lbs40 lbs40 lbs
32Dioxin and dioxin-like compoundsN15039 lbs0 lbs39 lbs
33Lead compoundsN42025 lbs4 lbs29 lbs
34Lead7439-92-13 lbs7 lbs10 lbs
35Zinc compoundsN9825 lbs0 lbs6 lbs
📋
Top chemicals released near this property (2024 only):
Ethylene glycol, n-Butyl alcohol, 1,2,4-Trimethylbenzene, Xylene (mixed isomers), Certain glycol ethers
View the full list of 14 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(14 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Ethylene glycol107-21-1110,903 lbs0 lbs110,903 lbs
2n-Butyl alcohol71-36-39,350 lbs0 lbs9,350 lbs
31,2,4-Trimethylbenzene95-63-67,218 lbs0 lbs7,218 lbs
4Xylene (mixed isomers)1330-20-74,440 lbs0 lbs4,440 lbs
5Certain glycol ethersN2302,726 lbs0 lbs2,726 lbs
6Naphthalene91-20-32,392 lbs0 lbs2,392 lbs
7Ethylbenzene100-41-41,348 lbs0 lbs1,348 lbs
8Chlorine7782-50-5428 lbs0 lbs428 lbs
9n-Hexane110-54-3424 lbs0 lbs424 lbs
10Cyclohexane110-82-7254 lbs0 lbs254 lbs
11Toluene108-88-3143 lbs0 lbs143 lbs
12Benzene71-43-282 lbs0 lbs82 lbs
13Cumene98-82-825 lbs0 lbs26 lbs
14Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0900 lbs11 lbs11 lbs
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