Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 4222 Hoffman St, Houston, TX 77026

HCAD #0690650040134
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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 AE
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
4222 Hoffman St, Houston, TX 77026
Building Size
1,472sqft
Total structure area from HCAD building records.
Elevation
42.87 ft
Height above sea level from USGS data.
FEMA Flood Zone
AE
High Risk - 1% annual chance with established base flood elevation
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)
52.72 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
268.9 acres
91.2% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$76,348
Based on HCAD building value of $117,459.
Depth-Damage (Neighborhood)
$66,717
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
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
27.9th percentile
Property Pollution Ranking
Moderate
Higher pollution than 72% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
303 thousandlbs
High
46.4x more than typical Houston property
≈ 15 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
302 thousandlbs
Very High
62.6x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
770lbs
High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
11
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)302,629 lbs301,859 lbs770 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)23,955 lbs23,556 lbs399 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 72% 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):
Xylene (mixed isomers), Styrene, n-Butyl alcohol, Phenol, Ethylbenzene
View the full list of 26 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(26 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Xylene (mixed isomers)1330-20-7140,448 lbs0 lbs140,448 lbs
2Styrene100-42-572,716 lbs0 lbs72,716 lbs
3n-Butyl alcohol71-36-333,617 lbs0 lbs33,617 lbs
4Phenol108-95-223,252 lbs0 lbs23,252 lbs
5Ethylbenzene100-41-416,163 lbs0 lbs16,163 lbs
6Ammonia7664-41-73,770 lbs0 lbs3,770 lbs
7Methyl isobutyl ketone108-10-13,355 lbs0 lbs3,355 lbs
8Toluene108-88-31,871 lbs0 lbs3,044 lbs
9Formaldehyde50-00-01,893 lbs0 lbs1,893 lbs
10Methanol67-56-11,849 lbs0 lbs1,849 lbs
11Methyl tert-butyl ether1634-04-41,021 lbs0 lbs1,021 lbs
12Ethylene glycol107-21-1605 lbs0 lbs605 lbs
13Zinc compoundsN98239 lbs419 lbs458 lbs
141,2,4-Trimethylbenzene95-63-6318 lbs0 lbs318 lbs
15Lead7439-92-1174 lbs45 lbs219 lbs
16Benzene71-43-2218 lbs0 lbs218 lbs
17Manganese compoundsN4502 lbs208 lbs210 lbs
18n-Hexane110-54-3208 lbs0 lbs208 lbs
19Zinc (fume or dust)7440-66-6201 lbs0 lbs201 lbs
20Aluminum oxide (fibrous forms)1344-28-11 lbs98 lbs99 lbs
21Copper7440-50-867 lbs0 lbs67 lbs
22Naphthalene91-20-332 lbs0 lbs32 lbs
23Chromium7440-47-316 lbs0 lbs20 lbs
24Nickel7440-02-020 lbs0 lbs20 lbs
25Cobalt7440-48-40 lbs0 lbs4 lbs
26Cumene98-82-81 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Xylene (mixed isomers), Styrene, Zinc compounds, Methanol, Manganese compounds
View the full list of 8 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(8 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Xylene (mixed isomers)1330-20-716,019 lbs0 lbs16,019 lbs
2Styrene100-42-57,400 lbs0 lbs7,400 lbs
3Zinc compoundsN9820 lbs239 lbs239 lbs
4Methanol67-56-1125 lbs0 lbs125 lbs
5Manganese compoundsN4502 lbs116 lbs118 lbs
6Aluminum oxide (fibrous forms)1344-28-10 lbs42 lbs42 lbs
7Ethylene glycol107-21-110 lbs0 lbs10 lbs
8Lead7439-92-10 lbs2 lbs2 lbs
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