Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 0 Bellknap St, Houston, TX 77040

HCAD #1428800010005
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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 AO
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
0 Bellknap St, Houston, TX 77040
Elevation
88.27 ft
Height above sea level from USGS data.
FEMA Flood Zone
AO
High Risk - Sheet flow flooding
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)
98.12 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
165.5 acres
56.1% 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 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
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
49.2th percentile
Property Pollution Ranking
Moderate
Higher pollution than 51% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
7 thousandlbs
Typical
1.1x more than typical Houston property
Air Pollution (10 Years)
7 thousandlbs
Typical
1.4x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
567lbs
High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
13
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)7,134 lbs6,567 lbs567 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)629 lbs527 lbs44 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 51% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 50-59th percentile (average).
📋
Top chemicals released near this property (past 10 years):
Zinc compounds, Ammonia, Propylene, Manganese, Chromium
View the full list of 15 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(15 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Zinc compoundsN9822,426 lbs443 lbs2,868 lbs
2Ammonia7664-41-71,500 lbs0 lbs1,500 lbs
3Propylene115-07-1985 lbs0 lbs985 lbs
4Manganese7439-96-5646 lbs10 lbs656 lbs
5Chromium7440-47-3450 lbs0 lbs450 lbs
64,4'-Isopropylidenediphenol80-05-7286 lbs5 lbs291 lbs
7Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N04022 lbs98 lbs232 lbs
8Nickel7440-02-0122 lbs0 lbs122 lbs
9Copper7440-50-849 lbs0 lbs49 lbs
10Triglycidyl isocyanurate2451-62-943 lbs5 lbs48 lbs
11Lead compoundsN42032 lbs5 lbs42 lbs
12Mercury compoundsN4584 lbs0 lbs4 lbs
13Cobalt7440-48-42 lbs0 lbs2 lbs
14Lead7439-92-10 lbs2 lbs2 lbs
15Lead And Lead CompoundsN4201 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Ammonia, Zinc compounds, Manganese, Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Chromium
View the full list of 12 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(12 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Ammonia7664-41-7250 lbs0 lbs250 lbs
2Zinc compoundsN982110 lbs17 lbs127 lbs
3Manganese7439-96-578 lbs10 lbs88 lbs
4Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N0406 lbs6 lbs68 lbs
5Chromium7440-47-332 lbs0 lbs32 lbs
6Nickel7440-02-019 lbs0 lbs19 lbs
7Triglycidyl isocyanurate2451-62-912 lbs5 lbs17 lbs
8Copper7440-50-811 lbs0 lbs11 lbs
9Lead compoundsN4205 lbs0 lbs8 lbs
104,4'-Isopropylidenediphenol80-05-71 lbs5 lbs6 lbs
11Cobalt7440-48-42 lbs0 lbs2 lbs
12Lead7439-92-10 lbs1 lbs1 lbs
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