Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 5211 Mariners Hbr, Houston, TX 77041

HCAD #1194520020003
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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 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
5211 Mariners Hbr, Houston, TX 77041
Building Size
4,235sqft
Total structure area from HCAD building records.
Elevation
108.95 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
124.1 acres
42.1% 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
27.8th 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)
306 thousandlbs
High
46.9x more than typical Houston property
≈ 15 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
298 thousandlbs
Very High
61.8x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
8 thousandlbs
Very High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
20
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)305,834 lbs298,250 lbs7,584 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)6,693 lbs6,217 lbs477 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):
Toluene, Vinyl acetate, Styrene, 1-Bromopropane, Zinc compounds
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)
1Toluene108-88-374,770 lbs0 lbs74,770 lbs
2Vinyl acetate108-05-462,144 lbs0 lbs62,144 lbs
3Styrene100-42-553,277 lbs0 lbs54,435 lbs
41-Bromopropane106-94-550,819 lbs0 lbs50,819 lbs
5Zinc compoundsN98213,166 lbs4,419 lbs17,585 lbs
6Ammonia7664-41-715,812 lbs0 lbs15,812 lbs
7Manganese7439-96-53,457 lbs1,772 lbs5,228 lbs
8Nickel7440-02-05,136 lbs69 lbs5,205 lbs
9Phenol108-95-25,162 lbs0 lbs5,162 lbs
10Copper7440-50-83,110 lbs1,271 lbs4,381 lbs
11Chromium7440-47-33,741 lbs42 lbs3,783 lbs
12Nitric acid7697-37-22,693 lbs0 lbs2,693 lbs
13Hydrogen fluoride7664-39-31,458 lbs0 lbs1,458 lbs
14Antimony compoundsN0101,359 lbs0 lbs1,359 lbs
15Propylene115-07-1780 lbs0 lbs780 lbs
16DiisocyanatesN120688 lbs0 lbs688 lbs
17Ethylene glycol107-21-1622 lbs0 lbs622 lbs
18Lead compoundsN42017 lbs11 lbs28 lbs
19Zinc (fume or dust)7440-66-613 lbs0 lbs13 lbs
20Antimony And Antimony CompoundsN01010 lbs0 lbs10 lbs
21Cobalt7440-48-48 lbs0 lbs8 lbs
22Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs0 lbs4 lbs
23Lead7439-92-14 lbs0 lbs4 lbs
24Selenium7782-49-22 lbs0 lbs2 lbs
25Lead And Lead CompoundsN4201 lbs1 lbs2 lbs
26Aluminum (fume or dust)7429-90-51 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
1-Bromopropane, Vinyl acetate, Zinc compounds, Nickel, Hydrogen fluoride
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)
11-Bromopropane106-94-53,844 lbs0 lbs3,844 lbs
2Vinyl acetate108-05-4819 lbs0 lbs819 lbs
3Zinc compoundsN982187 lbs476 lbs663 lbs
4Nickel7440-02-0421 lbs0 lbs421 lbs
5Hydrogen fluoride7664-39-3265 lbs0 lbs265 lbs
6Chromium7440-47-3249 lbs0 lbs249 lbs
7Copper7440-50-8182 lbs0 lbs182 lbs
8Manganese7439-96-5162 lbs0 lbs162 lbs
9Nitric acid7697-37-281 lbs0 lbs81 lbs
10DiisocyanatesN1207 lbs0 lbs7 lbs
11Lead And Lead CompoundsN4200 lbs1 lbs1 lbs
12Aluminum (fume or dust)7429-90-51 lbs0 lbs1 lbs
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