Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 1502 Lochstone Dr, Houston, TX 77073

HCAD #1275890070009
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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
1502 Lochstone Dr, Houston, TX 77073
Building Size
3,353sqft
Total structure area from HCAD building records.
Elevation
87.03 ft
Height above sea level from USGS data.
FEMA Flood Zone
X
Moderate to Low Risk - Outside 500-year floodplain
Overall Risk
Very Low
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
Very Low
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
N/A
Data not available
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$0
Property not flooded. No damage to calculate.
Depth-Damage (Neighborhood)
$0
Property not flooded. No damage to calculate.
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
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
23.4th percentile
Property Pollution Ranking
High
Higher pollution than 77% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
570 thousandlbs
Very High
87.4x more than typical Houston property
≈ 29 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
565 thousandlbs
Extremely High
117.2x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
5 thousandlbs
Very High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
15
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)570,350 lbs564,959 lbs5,391 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)75,292 lbs72,298 lbs2,993 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 77% 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):
Styrene, Toluene, Zinc (fume or dust), Methyl methacrylate, 1,2,4-Trimethylbenzene
View the full list of 27 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(27 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Styrene100-42-5479,884 lbs0 lbs479,884 lbs
2Toluene108-88-316,537 lbs0 lbs16,537 lbs
3Zinc (fume or dust)7440-66-611,331 lbs0 lbs11,331 lbs
4Methyl methacrylate80-62-610,630 lbs0 lbs10,630 lbs
51,2,4-Trimethylbenzene95-63-610,524 lbs0 lbs10,524 lbs
6Certain glycol ethersN2308,766 lbs0 lbs8,766 lbs
7m-Xylene108-38-37,654 lbs0 lbs7,654 lbs
8Methyl tert-butyl ether1634-04-45,812 lbs0 lbs5,812 lbs
9Benzene71-43-24,741 lbs0 lbs4,741 lbs
10Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs2,801 lbs2,801 lbs
11n-Hexane110-54-31,928 lbs0 lbs1,928 lbs
12Phenol108-95-21,654 lbs0 lbs1,654 lbs
13Xylene (mixed isomers)1330-20-71,526 lbs0 lbs1,526 lbs
14Manganese7439-96-50 lbs1,138 lbs1,138 lbs
15Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N090964 lbs0 lbs964 lbs
16Naphthalene91-20-3801 lbs0 lbs801 lbs
17Dichloromethane75-09-2743 lbs0 lbs743 lbs
18Nickel7440-02-0631 lbs39 lbs670 lbs
19Zinc compoundsN9820 lbs658 lbs658 lbs
20Manganese And Manganese CompoundsN4500 lbs574 lbs574 lbs
21Chromium7440-47-3418 lbs23 lbs441 lbs
22Chromium compounds (except for chromite ore mined in the Transvaal Region)N090398 lbs0 lbs398 lbs
23Lead7439-92-12 lbs148 lbs149 lbs
24Ethylbenzene100-41-413 lbs0 lbs13 lbs
25Copper7440-50-80 lbs9 lbs9 lbs
26Cumene98-82-82 lbs0 lbs2 lbs
27Biphenyl92-52-42 lbs0 lbs2 lbs
📋
Top chemicals released near this property (2024 only):
Styrene, Zinc (fume or dust), Nitrate compounds (water dissociable; reportable only when in aqueous solution), Methyl methacrylate, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)
View the full list of 11 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(11 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Styrene100-42-567,353 lbs0 lbs67,353 lbs
2Zinc (fume or dust)7440-66-63,144 lbs0 lbs3,144 lbs
3Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs2,801 lbs2,801 lbs
4Methyl methacrylate80-62-61,631 lbs0 lbs1,631 lbs
5Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N090168 lbs0 lbs168 lbs
6Manganese And Manganese CompoundsN4500 lbs157 lbs157 lbs
7Lead7439-92-10 lbs11 lbs11 lbs
8Copper7440-50-80 lbs9 lbs9 lbs
9Zinc compoundsN9820 lbs7 lbs7 lbs
10Chromium7440-47-30 lbs7 lbs7 lbs
11Nickel7440-02-01 lbs1 lbs2 lbs
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