Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 5805 Thomas Rd, Houston, TX 77041

HCAD #0650190000018
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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
5805 Thomas Rd, Houston, TX 77041
Elevation
103.1 ft
Height above sea level from USGS data.
FEMA Flood Zone
AE
High Risk - 1% annual chance with established base flood elevation
Overall Risk
Moderate
Risk based on FEMA zone and simulation.
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
Moderate
Flood Depth
0 ft±0.5 ft
No flooding at current water level.
Water Surface Elevation (WSE)
N/A
Water surface elevation data not available.
Area Inundated
36.0 acres
12.2% 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 Safe
Safety Margin: 0 feet
Severity
Safe
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
29.5th percentile
Property Pollution Ranking
Moderate
Higher pollution than 71% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
231 thousandlbs
High
35.4x more than typical Houston property
≈ 12 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
224 thousandlbs
High
46.4x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
8 thousandlbs
Very High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
25
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)231,101 lbs223,517 lbs7,584 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)7,610 lbs7,133 lbs477 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 71% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 30-39th percentile.
📋
Top chemicals released near this property (past 10 years):
Vinyl acetate, Styrene, 1-Bromopropane, Zinc compounds, Methanol
View the full list of 37 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(37 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Vinyl acetate108-05-462,144 lbs0 lbs62,144 lbs
2Styrene100-42-553,280 lbs0 lbs54,438 lbs
31-Bromopropane106-94-550,819 lbs0 lbs50,819 lbs
4Zinc compoundsN98213,648 lbs4,419 lbs18,067 lbs
5Methanol67-56-18,147 lbs0 lbs8,147 lbs
6Manganese7439-96-53,462 lbs1,772 lbs5,233 lbs
7Nickel7440-02-05,141 lbs69 lbs5,210 lbs
8Phenol108-95-25,162 lbs0 lbs5,162 lbs
9Copper7440-50-83,120 lbs1,271 lbs4,391 lbs
10Chromium7440-47-33,746 lbs42 lbs3,788 lbs
11Toluene108-88-32,738 lbs0 lbs2,738 lbs
12Nitric acid7697-37-22,693 lbs0 lbs2,693 lbs
13Hydrogen fluoride7664-39-31,458 lbs0 lbs1,458 lbs
14Antimony compoundsN0101,359 lbs0 lbs1,359 lbs
15Xylene (mixed isomers)1330-20-71,178 lbs0 lbs1,178 lbs
16n-Butyl alcohol71-36-31,042 lbs0 lbs1,042 lbs
17Certain glycol ethersN230915 lbs0 lbs915 lbs
18Propylene115-07-1780 lbs0 lbs780 lbs
19DiisocyanatesN120688 lbs0 lbs688 lbs
20Methyl isobutyl ketone108-10-1630 lbs0 lbs630 lbs
21Ethylene glycol107-21-1622 lbs0 lbs622 lbs
221,2,4-Trimethylbenzene95-63-6328 lbs0 lbs328 lbs
23Formic acid64-18-6255 lbs0 lbs255 lbs
24Naphthalene91-20-330 lbs0 lbs30 lbs
25Lead compoundsN42017 lbs11 lbs28 lbs
26tert-Butyl alcohol75-65-027 lbs0 lbs27 lbs
27Ethylbenzene100-41-426 lbs0 lbs26 lbs
28Lead7439-92-117 lbs0 lbs17 lbs
29Zinc (fume or dust)7440-66-613 lbs0 lbs13 lbs
30Antimony And Antimony CompoundsN01010 lbs0 lbs10 lbs
31Cobalt7440-48-48 lbs0 lbs8 lbs
32m-Xylene108-38-37 lbs0 lbs7 lbs
33Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs0 lbs4 lbs
34Selenium7782-49-22 lbs0 lbs2 lbs
35Lead And Lead CompoundsN4201 lbs1 lbs2 lbs
36Cumene98-82-81 lbs0 lbs1 lbs
37Aluminum (fume or dust)7429-90-51 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
1-Bromopropane, Vinyl acetate, Zinc compounds, Methanol, Nickel
View the full list of 21 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(21 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
11-Bromopropane106-94-53,844 lbs0 lbs3,844 lbs
2Vinyl acetate108-05-4819 lbs0 lbs819 lbs
3Zinc compoundsN982187 lbs476 lbs663 lbs
4Methanol67-56-1487 lbs0 lbs487 lbs
5Nickel7440-02-0421 lbs0 lbs421 lbs
6Toluene108-88-3266 lbs0 lbs266 lbs
7Hydrogen fluoride7664-39-3265 lbs0 lbs265 lbs
8Chromium7440-47-3249 lbs0 lbs249 lbs
9Copper7440-50-8182 lbs0 lbs182 lbs
10Manganese7439-96-5162 lbs0 lbs162 lbs
11Xylene (mixed isomers)1330-20-788 lbs0 lbs88 lbs
12Nitric acid7697-37-281 lbs0 lbs81 lbs
13Certain glycol ethersN23033 lbs0 lbs33 lbs
14Ethylbenzene100-41-426 lbs0 lbs26 lbs
15n-Butyl alcohol71-36-313 lbs0 lbs13 lbs
16DiisocyanatesN1207 lbs0 lbs7 lbs
171,2,4-Trimethylbenzene95-63-62 lbs0 lbs2 lbs
18Lead7439-92-11 lbs0 lbs1 lbs
19Lead And Lead CompoundsN4200 lbs1 lbs1 lbs
20Cumene98-82-81 lbs0 lbs1 lbs
21Aluminum (fume or dust)7429-90-51 lbs0 lbs1 lbs
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