Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 3422 Sayers St, Houston, TX 77026

HCAD #0750300100064
🧭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
3422 Sayers St, Houston, TX 77026
Building Size
1,578sqft
Total structure area from HCAD building records.
Elevation
45.13 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)
54.97 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
228.4 acres
77.5% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$109,592
Based on HCAD building value of $168,604.
Depth-Damage (Neighborhood)
$60,618
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
28.1th 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)
295 thousandlbs
High
45.2x more than typical Houston property
≈ 15 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
295 thousandlbs
Very High
61.2x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
45lbs
Above Typical
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
12
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)295,170 lbs295,125 lbs45 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)23,586 lbs23,584 lbs2 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, N-Methyl-2-pyrrolidone, Phenol
View the full list of 29 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(29 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Xylene (mixed isomers)1330-20-7101,674 lbs0 lbs101,674 lbs
2Styrene100-42-572,716 lbs0 lbs72,716 lbs
3n-Butyl alcohol71-36-333,617 lbs0 lbs33,617 lbs
4N-Methyl-2-pyrrolidone872-50-431,840 lbs0 lbs31,840 lbs
5Phenol108-95-223,252 lbs0 lbs23,252 lbs
6Ethylbenzene100-41-416,163 lbs0 lbs16,163 lbs
7Ammonia7664-41-73,770 lbs0 lbs3,770 lbs
8Methyl isobutyl ketone108-10-13,355 lbs0 lbs3,355 lbs
9Toluene108-88-31,871 lbs0 lbs3,044 lbs
10Formaldehyde50-00-01,893 lbs0 lbs1,893 lbs
11Methanol67-56-11,849 lbs0 lbs1,849 lbs
12Methyl tert-butyl ether1634-04-41,021 lbs0 lbs1,021 lbs
13Ethylene glycol107-21-1605 lbs0 lbs605 lbs
141,2,4-Trimethylbenzene95-63-6318 lbs0 lbs318 lbs
15Lead7439-92-1174 lbs45 lbs219 lbs
16Benzene71-43-2218 lbs0 lbs218 lbs
17n-Hexane110-54-3208 lbs0 lbs208 lbs
18Zinc compoundsN982192 lbs0 lbs192 lbs
19Cadmium compoundsN078106 lbs0 lbs106 lbs
20Cadmium And Cadmium CompoundsN07870 lbs0 lbs70 lbs
21Copper7440-50-867 lbs0 lbs67 lbs
22Cyanide compoundsN10650 lbs0 lbs50 lbs
23Naphthalene91-20-332 lbs0 lbs32 lbs
24Nickel7440-02-020 lbs0 lbs20 lbs
25Chromium7440-47-316 lbs0 lbs20 lbs
26Chromium compounds (except for chromite ore mined in the Transvaal Region)N09017 lbs0 lbs17 lbs
27Zinc (fume or dust)7440-66-69 lbs0 lbs9 lbs
28Cobalt7440-48-40 lbs0 lbs4 lbs
29Cumene98-82-81 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Xylene (mixed isomers), Styrene, Methanol, Zinc compounds, Cadmium And Cadmium Compounds
View the full list of 9 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(9 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
3Methanol67-56-1125 lbs0 lbs125 lbs
4Zinc compoundsN98214 lbs0 lbs14 lbs
5Cadmium And Cadmium CompoundsN07810 lbs0 lbs10 lbs
6Ethylene glycol107-21-110 lbs0 lbs10 lbs
7Cyanide compoundsN1065 lbs0 lbs5 lbs
8Lead7439-92-10 lbs2 lbs2 lbs
9Chromium compounds (except for chromite ore mined in the Transvaal Region)N0901 lbs0 lbs1 lbs
Loading property data...
🏘️Explore More Properties