Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 1709 Serpentine Dr, Houston, TX 77029

HCAD #0844370000007
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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
1709 Serpentine Dr, Houston, TX 77029
Building Size
1,849sqft
Total structure area from HCAD building records.
Elevation
25.58 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)
35.42 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
292.0 acres
99.0% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$66,490
Based on HCAD building value of $102,293.
Depth-Damage (Neighborhood)
$80,920
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
21.2th percentile
Property Pollution Ranking
High
Higher pollution than 79% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
701 thousandlbs
Extremely High
107.5x more than typical Houston property
≈ 35 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
701 thousandlbs
Extremely High
145.4x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
146lbs
High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
9
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)701,450 lbs701,304 lbs146 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)71,025 lbs70,623 lbs37 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 79% 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):
1,3-Butadiene, Ethylene, n-Hexane, Methanol, Ammonia
View the full list of 24 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(24 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
11,3-Butadiene106-99-0203,018 lbs0 lbs203,018 lbs
2Ethylene74-85-1165,454 lbs0 lbs165,454 lbs
3n-Hexane110-54-3108,575 lbs9 lbs108,655 lbs
4Methanol67-56-165,798 lbs0 lbs65,798 lbs
5Ammonia7664-41-764,815 lbs0 lbs64,815 lbs
6Xylene (mixed isomers)1330-20-722,730 lbs18 lbs22,819 lbs
7Toluene108-88-320,272 lbs17 lbs20,376 lbs
8Cyclohexane110-82-714,656 lbs0 lbs14,656 lbs
9Benzene71-43-214,533 lbs9 lbs14,560 lbs
10Isoprene78-79-513,272 lbs0 lbs13,272 lbs
11Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-03,066 lbs0 lbs3,066 lbs
121,2,4-Trimethylbenzene95-63-62,730 lbs0 lbs2,801 lbs
13Ethylbenzene100-41-41,283 lbs16 lbs1,336 lbs
14Nickel7440-02-0376 lbs1 lbs376 lbs
15Lead7439-92-1229 lbs1 lbs230 lbs
16Cumene98-82-8169 lbs0 lbs174 lbs
17Naphthalene91-20-3134 lbs0 lbs139 lbs
18Propylene115-07-1126 lbs0 lbs126 lbs
19Zinc compoundsN9820 lbs65 lbs65 lbs
20Anthracene120-12-731 lbs0 lbs31 lbs
21Polycyclic aromatic compoundsN59023 lbs0 lbs23 lbs
22Mercury7439-97-612 lbs0 lbs12 lbs
23Lead compoundsN4202 lbs5 lbs7 lbs
24Lead And Lead CompoundsN4200 lbs5 lbs5 lbs
📋
Top chemicals released near this property (2024 only):
1,3-Butadiene, Ethylene, Ammonia, n-Hexane, Xylene (mixed isomers)
View the full list of 18 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(18 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
11,3-Butadiene106-99-032,375 lbs0 lbs32,375 lbs
2Ethylene74-85-114,466 lbs0 lbs14,466 lbs
3Ammonia7664-41-76,881 lbs0 lbs6,881 lbs
4n-Hexane110-54-36,435 lbs0 lbs6,506 lbs
5Xylene (mixed isomers)1330-20-73,231 lbs8 lbs3,310 lbs
6Toluene108-88-32,355 lbs8 lbs2,450 lbs
7Isoprene78-79-52,371 lbs0 lbs2,371 lbs
8Benzene71-43-21,538 lbs2 lbs1,558 lbs
9Cyclohexane110-82-7294 lbs0 lbs294 lbs
10Lead7439-92-1228 lbs1 lbs229 lbs
111,2,4-Trimethylbenzene95-63-6114 lbs0 lbs185 lbs
12Ethylbenzene100-41-4125 lbs8 lbs170 lbs
13Nickel7440-02-090 lbs0 lbs90 lbs
14Propylene115-07-183 lbs0 lbs83 lbs
15Cumene98-82-825 lbs0 lbs30 lbs
16Naphthalene91-20-311 lbs0 lbs16 lbs
17Lead And Lead CompoundsN4200 lbs5 lbs5 lbs
18Zinc compoundsN9820 lbs5 lbs5 lbs
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