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13-SECTION ZIP CODE PROPERTY, MARKET, SCHOOL, FLOOD & HAZARD PROFILE • 77539

ZIP 77539 (San Leon, TX) — Property Value, Rent, Schools, Flood, Soil & EPA Report

Run Full 13-Section Address Scan in 77539 →

Is ZIP 77539 (San Leon, TX) a High-Risk Area & What Are Local Home Values?

ZIP code 77539 in San Leon, Texas (Galveston County) tracks 243 EPA-regulated sites (4 High-Risk, 1.6%), 4 FEMA county disaster declarations, and a HIGH USDA soil foundation signal. Local U.S. Census & HUD benchmarks report a $282,900 median home value (+46.3% 5-yr FHFA appreciation) and $1,600/mo 2-BR Fair Market Rent, with 13 nearby K–12 schools.

ZIP 77539 (San Leon, TX) Benchmark Verified Local Figure Intelligence Category
Median Home Value / 5-Yr Appreciation $282,900 (+46.3% 5-Yr Trend) Valuation & Appreciation Index
2-Bedroom Fair Market Rent Benchmark $1,600 / month (3-BR: $2,150/mo) Rental Yield & Cap-Rate Index
Regulated Sites & High-Risk Facilities 243 sites (4 High-Risk • $89,875 penalties) Environmental & Compliance Audit
Flood Disaster History & Soil Shrink-Swell 4 Flood/Storm Disasters • HIGH Soil Risk Flood & Foundation Stability
K–12 Schools (3 Mi) & Walkability Score 13 K–12 Schools • 8.2 / 20.0 Walk Score • Fire 0.72 mi Schools, Transit & Fire Access
Total EPA Sites in 77539
243
High-Risk (1.6% vs 2.9% County)
4
Active Violators (3.3%)
8
Drinking & Clean Water
189
Federal Penalties
$89,875

ZIP 77539 (San Leon, TX) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals

🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan
🌊 Flood Zone & FEMA Disaster History
Galveston County: 4 FEMA Declarations (2 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Mandatory Insurance Status Locked
Unlock Parcel Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: HIGH • Pipe Corrosion: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
6 SDWIS Systems • 183 NPDES Permits
🔒 67 Impaired Water (303d) & 13 Violation Dockets in 77539 Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 3 — Low Potential (< 2.0 pCi/L)
Non-Karst Coastal / Alluvial Clay Formation (Low Sinkhole Risk; Primary Factor is Clay Shrink-Swell)
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 ZIP 77539 (San Leon, TX) Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)
1. ZIP 77539 Regulatory & Water Mix
RCRA Hazardous Waste Generators 42 (17.3%)
Clean Water (NPDES) & Drinking Water (SDWIS) 189 (77.8%)
Active EPA Non-Compliance Dockets 8 (3.3%)
High-Risk Enforcement Facilities 4 (1.6%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively High (95.4/100)
🌊 Flood Exposure 7/10 • High Hazard
🔥 Wildfire Hazard 3/10 • Low Hazard
☀️ Extreme Heat 5/10 • Moderate Hazard
🌪️ Severe Wind / Storm 7/10 • High Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. ZIP 77539 vs. County & State Benchmark
ZIP 77539 High-Risk Rate 1.6%
Galveston County Average 2.9%
Texas (TX) Statewide Avg 1.6%
Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Unlock Full 6-in-1 Property Report for 77539 →

ZIP 77539 Sector Screening Map (High-Risk Pin Coordinates Locked)

Exact street pins for 4 High-Risk and 8 Active Violation sites are redacted on public directory maps.

🔒 Unlock Exact Hazard Pin Map →
🔒 4 High-Risk & 8 Violation Pin Coordinates Redacted in ZIP 77539 (Only 3 Low-Risk Preview Pins Shown) Unlock Full Parcel Map & Street Dossier →

Regulated EPA Facilities in ZIP 77539 (San Leon, TX)

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

Unlock Full ZIP 77539 Dossier →
Facility Name / Hazard Type Sector Location (Street Redacted) Risk Score (0–100) Compliance Status Enforcement / Unlock
🔒 Locked High-Risk EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • SAN LEON, TX (ZIP 77539 Sector) HIGH (70/100) Violation Identified (5 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • DICKINSON, TX (ZIP 77539 Sector) MODERATE (48/100) Violation (7 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • DICKINSON, TX (ZIP 77539 Sector) MODERATE (42/100) Resolved / Historical Non-Compliance (9 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • DICKINSON, TX (ZIP 77539 Sector) MODERATE (40/100) Violation Identified (8 qtrs NC) 🔒 8 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • SAN LEON, TX (ZIP 77539 Sector) MODERATE (39/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • DICKINSON, TX (ZIP 77539 Sector) MODERATE (36/100) Resolved / Historical Non-Compliance (4 qtrs NC) 🔒 4 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • DICKINSON, TX (ZIP 77539 Sector) MODERATE (35/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • DICKINSON, TX (ZIP 77539 Sector) MODERATE (32/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
REVIVED RIDES FREE PREVIEW (LOW RISK) 1715 DICKINSON AVE STE D, DICKINSON, TX 77539 LOW (18/100) No Violation Identified (0 qtrs NC) $0
LOBIT MIDDLE SCHOOL FREE PREVIEW (LOW RISK) 1251 FM 517 RD W, DICKINSON, TX 77539 LOW (18/100) No Violation Identified (0 qtrs NC) $0
RODS AUTO COLLISION & PAINT SHOP FREE PREVIEW (LOW RISK) 3923 MARCOS ST, DICKINSON, TX 77539 LOW (17/100) No Violation Identified (0 qtrs NC) $0
CVS PHARMACY #17386 FREE PREVIEW (LOW RISK) 3100 GULF FWY S, DICKINSON, TX 77539 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 231 Additional Regulated & Enforcement Records in ZIP 77539 Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — ZIP 77539 (San Leon, TX) EPA Dataset & Radon

DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 03, 2026)

What is the home value, appreciation, and Fair Market Rent in ZIP 77539 (San Leon, TX)?

In ZIP 77539 (San Leon, TX), U.S. Census & HUD benchmarks show a median home value of $282,900, 5-year FHFA home price appreciation of +46.3%, and a HUD 2-Bedroom Small Area Fair Market Rent of $1,600/month.

How many EPA-tracked environmental sites are in ZIP code 77539 (San Leon, TX)?

ZIP code 77539 (San Leon, TX) contains 243 EPA-tracked facilities, of which 4 (1.6%) are classified in the High-Risk tier, 8 (3.3%) have active compliance violations, and 42 (17.3%) handle RCRA hazardous waste.

Is ZIP 77539 (San Leon, TX) in a FEMA flood zone and what is the soil foundation risk?

Galveston County has recorded 4 historical FEMA disaster declarations (2 flood/storm events), and USDA regional soil screening indicates a HIGH shrink-swell foundation signal. Run an exact street-address scan to unlock parcel Flood Zone (AE/VE/X) and Soil LEP %.

How many schools, fire stations, and walkability options are near ZIP 77539?

Within 3 miles of the ZIP 77539 center, federal NCES & USGS registries index 13 public, charter, and private K–12 campuses, nearest fire/EMS station at 0.72 mi, and an EPA National Walkability Score of 8.2/20.0.

Does ZIP 77539 have drinking water (SDWIS) permits or EPA radon risk?

Geologic screening places ZIP 77539 in EPA Zone 3 — Low Potential (< 2.0 pCi/L), with 6 SDWIS drinking water facilities, 183 Clean Water NPDES permits, and 67 impaired water body dischargers tracked in this postal sector.

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