Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 17527 Marl Ct, Crosby, Tx 77532

HCAD #1065100000018
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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
17527 Marl Ct, Crosby, Tx 77532
Building Size
3,206sqft
Total structure area from HCAD building records.
Elevation
49.3 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)
59.15 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
123.2 acres
41.8% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$143,497
Based on HCAD building value of $220,765.
Depth-Damage (Neighborhood)
$170,233
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
38.7th percentile
Property Pollution Ranking
Moderate
Higher pollution than 61% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
67 thousandlbs
High
10.3x more than typical Houston property
≈ 3 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
67 thousandlbs
High
13.9x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
1lbs
Low
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
1
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)67,142 lbs67,141 lbs1 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)584 lbs584 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 61% 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):
Maleic anhydride, Toluene, Xylene (mixed isomers), Nonylphenol Ethoxylates, Ethyl acrylate
View the full list of 21 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(21 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Maleic anhydride108-31-618,944 lbs0 lbs18,944 lbs
2Toluene108-88-314,976 lbs0 lbs14,976 lbs
3Xylene (mixed isomers)1330-20-78,444 lbs0 lbs8,444 lbs
4Nonylphenol EthoxylatesN5354,315 lbs0 lbs4,315 lbs
5Ethyl acrylate140-88-53,125 lbs0 lbs3,125 lbs
6Certain glycol ethersN2302,763 lbs0 lbs2,763 lbs
7Ethylene glycol107-21-11,725 lbs0 lbs1,725 lbs
8Butyl acrylate141-32-21,633 lbs0 lbs1,633 lbs
9Ammonia7664-41-71,573 lbs0 lbs1,573 lbs
10Ethylbenzene100-41-41,375 lbs0 lbs1,375 lbs
111,2-Butylene oxide106-88-71,214 lbs0 lbs1,214 lbs
121,2,4-Trimethylbenzene95-63-61,111 lbs0 lbs1,111 lbs
13tert-Butyl alcohol75-65-01,002 lbs0 lbs1,002 lbs
14NonylphenolN530929 lbs1 lbs930 lbs
15Propylene oxide75-56-9908 lbs0 lbs908 lbs
16Acrylonitrile107-13-1750 lbs0 lbs750 lbs
17Formaldehyde50-00-0742 lbs0 lbs742 lbs
18Naphthalene91-20-3707 lbs0 lbs707 lbs
19Diethanolamine111-42-2550 lbs0 lbs550 lbs
20Ethylene oxide75-21-8344 lbs0 lbs344 lbs
21n-Butyl alcohol71-36-310 lbs0 lbs10 lbs
📋
Top chemicals released near this property (2024 only):
Nonylphenol Ethoxylates, Ethylene oxide, Propylene oxide, 1,2-Butylene oxide
View the full list of 4 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(4 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Nonylphenol EthoxylatesN535566 lbs0 lbs566 lbs
2Ethylene oxide75-21-812 lbs0 lbs12 lbs
3Propylene oxide75-56-95 lbs0 lbs5 lbs
41,2-Butylene oxide106-88-72 lbs0 lbs2 lbs
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