Complete Property Analysis

Environmental risk, tax analysis, and property details for 4613 Neal Dr, Seabrook, TX 77586

HCAD #0772940030050

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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

4613 Neal Dr, Seabrook, TX 77586

Building Size

3,309sqft

Total structure area from HCAD building records.

Elevation

10.62 ft

Height above sea level from USGS data.

FEMA Flood Zone

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)

20.46 ft

Water surface elevation relative to sea level (NAVD88 datum).

Area Inundated

294.4 acres

99.8% of 500m radius flooded.

Nearest Bayou Stage

N/A

No nearby bayou within monitoring range

Depth-Damage (HCAD Valuation)

$204,906

Based on HCAD building value of $315,241.

Depth-Damage (Neighborhood)

$258,037

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.

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.

Special Flood Hazard Area (SFHA): Flood insurance required for federally backed mortgages

Obtain an Elevation Certificate to determine accurate flood insurance premiums

Property elevation currently above simulated flood level

Maintain flood insurance coverage as required in Special Flood Hazard Areas

Review official FEMA Flood Insurance Rate Map (FIRM) for detailed flood zone boundaries

Contact Harris County Flood Control District (HCFCD) for drainage projects and flood information

🏭Industrial Pollution Exposure

12.7th percentile

Property Pollution Ranking

High

Higher pollution than 87% of Houston homes

Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.

Industrial Pollution Nearby (10 Years)

3.89 millionlbs

Extremely High

596.8x more than typical Houston property

≈ 195 dump trucks of chemicals within 2 miles

Air Pollution (10 Years)

3.88 millionlbs

Extremely High

804.3x more than typical Houston property

Includes fugitive emissions (leaks) and stack emissions (smokestacks).

Water Pollution (10 Years)

15 thousandlbs

Extremely High

Discharges to bayous, streams, and drainage systems.

Facilities Nearby

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.

Period	Total	Air	Water
Typical Houston Property (2014-2024)	6,524 lbs	4,822 lbs	0 lbs
This Property (2014-2024)	3,893,667 lbs	3,878,844 lbs	14,823 lbs
Typical Houston Property (2024 Only)	2 lbs	1 lbs	0 lbs
This Property (2024 Only)	347,749 lbs	345,609 lbs	2,140 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

70-79th

5.8%

80-89th

4.3%

90-100thLowest Pollution

34.2%

Higher pollution than 87% of Houston homes

Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 10-19th percentile.

📋

Top chemicals released near this property (past 10 years):
tert-Butyl alcohol, Propylene, Methanol, Toluene, Propylene oxide
View the full list of 85 chemicals below.

Chemicals Released (2014-2024, 10-Year Total)(85 chemicals)

#	Chemical	CAS#	Air (lbs/10yr)	Water (lbs/10yr)	Total (lbs/10yr)
1	tert-Butyl alcohol	75-65-0	750,524 lbs	0 lbs	750,524 lbs
2	Propylene	115-07-1	577,750 lbs	0 lbs	577,750 lbs
3	Methanol	67-56-1	320,907 lbs	0 lbs	320,907 lbs
4	Toluene	108-88-3	303,864 lbs	0 lbs	303,864 lbs
5	Propylene oxide	75-56-9	293,670 lbs	0 lbs	293,670 lbs
6	Acrylic acid	79-10-7	248,318 lbs	0 lbs	248,318 lbs
7	n-Hexane	110-54-3	190,045 lbs	0 lbs	190,045 lbs
8	Ethylene	74-85-1	178,679 lbs	0 lbs	178,679 lbs
9	Benzene	71-43-2	129,275 lbs	0 lbs	129,275 lbs
10	Ammonia	7664-41-7	127,548 lbs	0 lbs	127,548 lbs
11	Titanium tetrachloride	7550-45-0	108,195 lbs	0 lbs	108,195 lbs
12	1,3-Butadiene	106-99-0	105,073 lbs	0 lbs	105,073 lbs
13	Cyclohexane	110-82-7	102,600 lbs	0 lbs	102,600 lbs
14	Ethylbenzene	100-41-4	66,752 lbs	0 lbs	66,752 lbs
15	Styrene	100-42-5	51,523 lbs	0 lbs	51,523 lbs
16	Molybdenum trioxide	1313-27-5	51,068 lbs	0 lbs	51,068 lbs
17	Isoprene	78-79-5	47,793 lbs	0 lbs	47,793 lbs
18	Ethylene glycol	107-21-1	38,883 lbs	0 lbs	38,883 lbs
19	Certain glycol ethers	N230	34,372 lbs	0 lbs	34,372 lbs
20	Dicyclopentadiene	77-73-6	20,009 lbs	0 lbs	20,009 lbs
21	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	7647-01-0	15,293 lbs	0 lbs	15,293 lbs
22	Xylene (mixed isomers)	1330-20-7	14,870 lbs	0 lbs	14,870 lbs
23	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	N511	45 lbs	14,147 lbs	14,192 lbs
24	Epichlorohydrin	106-89-8	8,484 lbs	0 lbs	8,484 lbs
25	Formaldehyde	50-00-0	7,742 lbs	0 lbs	7,742 lbs
26	n-Butyl alcohol	71-36-3	6,402 lbs	0 lbs	6,402 lbs
27	Naphthalene	91-20-3	6,227 lbs	0 lbs	6,227 lbs
28	Trade Secret	TRD SECRT	5,905 lbs	88 lbs	5,993 lbs
29	Dibutyl phthalate	84-74-2	5,792 lbs	0 lbs	5,792 lbs
30	Dimethylamine	124-40-3	5,764 lbs	0 lbs	5,764 lbs
31	Maleic anhydride	108-31-6	5,267 lbs	0 lbs	5,267 lbs
32	Formic acid	64-18-6	4,909 lbs	0 lbs	4,909 lbs
33	1,2,4-Trimethylbenzene	95-63-6	4,492 lbs	0 lbs	4,492 lbs
34	Butyl acrylate	141-32-2	4,451 lbs	0 lbs	4,451 lbs
35	Propyleneimine	75-55-8	3,701 lbs	0 lbs	3,701 lbs
36	Vinyl acetate	108-05-4	3,230 lbs	0 lbs	3,230 lbs
37	Vanadium compounds	N770	3,122 lbs	0 lbs	3,137 lbs
38	Acetonitrile	75-05-8	2,760 lbs	0 lbs	2,760 lbs
39	Zinc compounds	N982	2,402 lbs	346 lbs	2,749 lbs
40	1,4-Dioxane	123-91-1	2,644 lbs	0 lbs	2,644 lbs
41	Nickel And Nickel Compounds	N495	2,238 lbs	75 lbs	2,313 lbs
42	Acrylonitrile	107-13-1	2,062 lbs	0 lbs	2,062 lbs
43	Nonylphenol	N530	1,974 lbs	0 lbs	1,974 lbs
44	Vanadium (except when contained in an alloy)	7440-62-2	1,691 lbs	0 lbs	1,691 lbs
45	Ethylene oxide	75-21-8	1,467 lbs	0 lbs	1,467 lbs
46	Nickel compounds	N495	1,389 lbs	21 lbs	1,410 lbs
47	o-Xylene	95-47-6	815 lbs	0 lbs	815 lbs
48	Nonylphenol Ethoxylates	N535	773 lbs	0 lbs	773 lbs
49	Cobalt And Cobalt Compounds	N096	741 lbs	0 lbs	741 lbs
50	Nitric acid	7697-37-2	637 lbs	0 lbs	637 lbs
51	Chlorobenzene	108-90-7	583 lbs	0 lbs	583 lbs
52	Acetaldehyde	75-07-0	504 lbs	0 lbs	504 lbs
53	Cobalt compounds	N096	454 lbs	0 lbs	454 lbs
54	Diethanolamine	111-42-2	414 lbs	0 lbs	414 lbs
55	Acrolein	107-02-8	402 lbs	0 lbs	402 lbs
56	Cumene	98-82-8	384 lbs	0 lbs	384 lbs
57	Hydroquinone	123-31-9	355 lbs	0 lbs	355 lbs
58	Phosphorus (yellow or white)	12185-10-3	250 lbs	0 lbs	250 lbs
59	Benzyl chloride	100-44-7	228 lbs	0 lbs	228 lbs
60	Di(2-ethylhexyl) phthalate	117-81-7	222 lbs	0 lbs	222 lbs
61	Butyraldehyde	123-72-8	186 lbs	0 lbs	186 lbs
62	Antimony And Antimony Compounds	N010	85 lbs	77 lbs	161 lbs
63	4,4'-Isopropylidenediphenol	80-05-7	141 lbs	0 lbs	141 lbs
64	Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)	N090	102 lbs	14 lbs	116 lbs
65	Diethyl sulfate	64-67-5	85 lbs	0 lbs	85 lbs
66	Antimony compounds	N010	44 lbs	25 lbs	69 lbs
67	Lead And Lead Compounds	N420	33 lbs	3 lbs	37 lbs
68	Chromium compounds (except for chromite ore mined in the Transvaal Region)	N090	30 lbs	4 lbs	34 lbs
69	Sodium nitrite	7632-00-0	33 lbs	0 lbs	33 lbs
70	Phthalic anhydride	85-44-9	27 lbs	0 lbs	27 lbs
71	Bis(2-chloroethyl) ether	111-44-4	26 lbs	0 lbs	26 lbs
72	Zinc (fume or dust)	7440-66-6	26 lbs	0 lbs	26 lbs
73	Lead compounds	N420	17 lbs	1 lbs	18 lbs
74	Copper compounds	N100	0 lbs	18 lbs	18 lbs
75	2,4-Dimethylphenol	105-67-9	17 lbs	0 lbs	17 lbs
76	Triethylamine	121-44-8	10 lbs	0 lbs	15 lbs
77	Cadmium compounds	N078	11 lbs	0 lbs	11 lbs
78	Pyridine	110-86-1	10 lbs	0 lbs	10 lbs
79	Allyl alcohol	107-18-6	10 lbs	0 lbs	10 lbs
80	Chromium	7440-47-3	7 lbs	2 lbs	9 lbs
81	Methyl acrylate	96-33-3	6 lbs	0 lbs	6 lbs
82	1,3-Phenylenediamine	108-45-2	2 lbs	0 lbs	2 lbs
83	Lead	7439-92-1	2 lbs	0 lbs	2 lbs
84	Biphenyl	92-52-4	2 lbs	0 lbs	2 lbs
85	N-Methyl-2-pyrrolidone	872-50-4	1 lbs	0 lbs	1 lbs

📋

Top chemicals released near this property (2024 only):
tert-Butyl alcohol, Propylene, Toluene, Propylene oxide, Acrylic acid
View the full list of 56 chemicals reported within 2 miles for 2024.

Chemicals Released (2024 Only)(56 chemicals)

#	Chemical	CAS#	Air (lbs/yr)	Water (lbs/yr)	Total (lbs/yr)
1	tert-Butyl alcohol	75-65-0	101,671 lbs	0 lbs	101,671 lbs
2	Propylene	115-07-1	40,450 lbs	0 lbs	40,450 lbs
3	Toluene	108-88-3	26,919 lbs	0 lbs	26,919 lbs
4	Propylene oxide	75-56-9	22,691 lbs	0 lbs	22,691 lbs
5	Acrylic acid	79-10-7	20,902 lbs	0 lbs	20,902 lbs
6	n-Hexane	110-54-3	19,086 lbs	0 lbs	19,086 lbs
7	Ethylene	74-85-1	16,290 lbs	0 lbs	16,290 lbs
8	Ammonia	7664-41-7	12,667 lbs	0 lbs	12,667 lbs
9	Isoprene	78-79-5	12,309 lbs	0 lbs	12,309 lbs
10	Titanium tetrachloride	7550-45-0	10,755 lbs	0 lbs	10,755 lbs
11	Methanol	67-56-1	10,422 lbs	0 lbs	10,422 lbs
12	Benzene	71-43-2	9,442 lbs	0 lbs	9,442 lbs
13	Cyclohexane	110-82-7	8,060 lbs	0 lbs	8,060 lbs
14	Molybdenum trioxide	1313-27-5	4,957 lbs	0 lbs	4,957 lbs
15	1,3-Butadiene	106-99-0	4,450 lbs	0 lbs	4,450 lbs
16	Ethylbenzene	100-41-4	4,042 lbs	0 lbs	4,042 lbs
17	Styrene	100-42-5	3,598 lbs	0 lbs	3,598 lbs
18	Ethylene glycol	107-21-1	3,253 lbs	0 lbs	3,253 lbs
19	Dicyclopentadiene	77-73-6	2,368 lbs	0 lbs	2,368 lbs
20	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	N511	0 lbs	2,038 lbs	2,038 lbs
21	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	7647-01-0	1,840 lbs	0 lbs	1,840 lbs
22	Maleic anhydride	108-31-6	1,173 lbs	0 lbs	1,173 lbs
23	Acrylonitrile	107-13-1	883 lbs	0 lbs	883 lbs
24	Butyl acrylate	141-32-2	848 lbs	0 lbs	848 lbs
25	Epichlorohydrin	106-89-8	643 lbs	0 lbs	643 lbs
26	Nitric acid	7697-37-2	633 lbs	0 lbs	633 lbs
27	1,2,4-Trimethylbenzene	95-63-6	599 lbs	0 lbs	599 lbs
28	Xylene (mixed isomers)	1330-20-7	586 lbs	0 lbs	586 lbs
29	Nonylphenol	N530	551 lbs	0 lbs	551 lbs
30	Naphthalene	91-20-3	526 lbs	0 lbs	526 lbs
31	Dibutyl phthalate	84-74-2	496 lbs	0 lbs	496 lbs
32	Certain glycol ethers	N230	421 lbs	0 lbs	421 lbs
33	Nickel And Nickel Compounds	N495	341 lbs	26 lbs	367 lbs
34	Formaldehyde	50-00-0	296 lbs	0 lbs	296 lbs
35	Di(2-ethylhexyl) phthalate	117-81-7	222 lbs	0 lbs	222 lbs
36	Ethylene oxide	75-21-8	187 lbs	0 lbs	187 lbs
37	Formic acid	64-18-6	175 lbs	0 lbs	175 lbs
38	Vanadium (except when contained in an alloy)	7440-62-2	170 lbs	0 lbs	170 lbs
39	1,4-Dioxane	123-91-1	126 lbs	0 lbs	126 lbs
40	Benzyl chloride	100-44-7	119 lbs	0 lbs	119 lbs
41	Chlorobenzene	108-90-7	100 lbs	0 lbs	100 lbs
42	Cobalt And Cobalt Compounds	N096	100 lbs	0 lbs	100 lbs
43	Vanadium compounds	N770	67 lbs	0 lbs	67 lbs
44	Trade Secret	TRD SECRT	0 lbs	46 lbs	46 lbs
45	Antimony And Antimony Compounds	N010	26 lbs	19 lbs	45 lbs
46	Propyleneimine	75-55-8	32 lbs	0 lbs	32 lbs
47	Acrolein	107-02-8	28 lbs	0 lbs	28 lbs
48	Acetonitrile	75-05-8	24 lbs	0 lbs	24 lbs
49	Hydroquinone	123-31-9	23 lbs	0 lbs	23 lbs
50	Zinc compounds	N982	13 lbs	10 lbs	22 lbs
51	Phthalic anhydride	85-44-9	14 lbs	0 lbs	14 lbs
52	Zinc (fume or dust)	7440-66-6	9 lbs	0 lbs	9 lbs
53	Chromium	7440-47-3	4 lbs	1 lbs	4 lbs
54	Lead And Lead Compounds	N420	2 lbs	1 lbs	3 lbs
55	Methyl acrylate	96-33-3	2 lbs	0 lbs	2 lbs
56	4,4'-Isopropylidenediphenol	80-05-7	1 lbs	0 lbs	1 lbs