Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 5218 Noble, Houston, TX 77020

HCAD #1356270010002
🧭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
5218 Noble, Houston, TX 77020
Building Size
2,690sqft
Total structure area from HCAD building records.
Elevation
44.43 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
61.8 acres
21.0% 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
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)
304 thousandlbs
High
46.5x more than typical Houston property
≈ 15 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
303 thousandlbs
Very High
62.8x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
826lbs
High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
18
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)303,612 lbs302,786 lbs826 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)23,958 lbs23,559 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 30 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(30 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
12Propylene115-07-1810 lbs0 lbs810 lbs
13Ethylene glycol107-21-1605 lbs0 lbs605 lbs
14Zinc compoundsN98239 lbs419 lbs458 lbs
151,2,4-Trimethylbenzene95-63-6318 lbs0 lbs318 lbs
16Lead7439-92-1174 lbs45 lbs219 lbs
17Benzene71-43-2218 lbs0 lbs218 lbs
18Manganese compoundsN4502 lbs208 lbs210 lbs
19n-Hexane110-54-3208 lbs0 lbs208 lbs
20Zinc (fume or dust)7440-66-6201 lbs0 lbs201 lbs
21Lead compoundsN42092 lbs54 lbs146 lbs
22Aluminum oxide (fibrous forms)1344-28-11 lbs98 lbs99 lbs
23Copper7440-50-867 lbs0 lbs67 lbs
24Naphthalene91-20-332 lbs0 lbs32 lbs
25Polycyclic aromatic compoundsN59026 lbs0 lbs26 lbs
26Nickel7440-02-020 lbs0 lbs20 lbs
27Chromium7440-47-316 lbs0 lbs20 lbs
28Cobalt7440-48-40 lbs0 lbs4 lbs
29Manganese7439-96-50 lbs2 lbs2 lbs
30Cumene98-82-81 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 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
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
8Polycyclic aromatic compoundsN5903 lbs0 lbs3 lbs
9Lead7439-92-10 lbs2 lbs2 lbs
Loading property data...
🏘️Explore More Properties