Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 4411 Connorvale Rd, Houston, TX 77039

HCAD #1030520000342
🧭Jump to Section
🌍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
4411 Connorvale Rd, Houston, TX 77039
Building Size
2,403sqft
Total structure area from HCAD building records.
Elevation
67.42 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
48.9 acres
16.6% of 500m radius flooded.
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
48.4th percentile
Property Pollution Ranking
Moderate
Higher pollution than 52% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
10 thousandlbs
Typical
1.6x more than typical Houston property
≈ 1 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
10 thousandlbs
Above Typical
2.1x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
340lbs
High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
7
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)10,440 lbs10,100 lbs340 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)691 lbs615 lbs75 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 52% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 40-49th percentile (slightly higher than average).
📋
Top chemicals released near this property (past 10 years):
Diisocyanates, Aluminum (fume or dust), Nickel, Ethylene glycol, Chromium
View the full list of 11 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(11 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1DiisocyanatesN1202,750 lbs0 lbs2,750 lbs
2Aluminum (fume or dust)7429-90-52,500 lbs0 lbs2,500 lbs
3Nickel7440-02-02,089 lbs0 lbs2,119 lbs
4Ethylene glycol107-21-11,609 lbs250 lbs1,859 lbs
5Chromium7440-47-3782 lbs0 lbs818 lbs
6Manganese7439-96-5252 lbs8 lbs290 lbs
7Aluminum oxide (fibrous forms)1344-28-15 lbs68 lbs73 lbs
8Copper7440-50-854 lbs0 lbs60 lbs
9Chromium compounds (except for chromite ore mined in the Transvaal Region)N09042 lbs1 lbs43 lbs
10Manganese compoundsN45016 lbs13 lbs28 lbs
11Lead compoundsN4201 lbs1 lbs2 lbs
📋
Top chemicals released near this property (2024 only):
Aluminum (fume or dust), Diisocyanates, Aluminum oxide (fibrous forms), Ethylene glycol, Chromium compounds (except for chromite ore mined in the Transvaal Region)
View the full list of 10 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(10 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Aluminum (fume or dust)7429-90-5250 lbs0 lbs250 lbs
2DiisocyanatesN120250 lbs0 lbs250 lbs
3Aluminum oxide (fibrous forms)1344-28-13 lbs68 lbs70 lbs
4Ethylene glycol107-21-159 lbs0 lbs59 lbs
5Chromium compounds (except for chromite ore mined in the Transvaal Region)N09020 lbs1 lbs21 lbs
6Manganese compoundsN4507 lbs7 lbs14 lbs
7Nickel7440-02-09 lbs0 lbs9 lbs
8Chromium7440-47-39 lbs0 lbs9 lbs
9Manganese7439-96-57 lbs0 lbs7 lbs
10Copper7440-50-82 lbs0 lbs2 lbs
Loading property data...
🏘️Explore More Properties