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13-SECTION ZIP CODE PROPERTY, MARKET, SCHOOL, FLOOD & HAZARD PROFILE • 77377

ZIP 77377 (Tomball, TX) — Property Value, Rent, Schools, Flood, Soil & EPA Report

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Is ZIP 77377 (Tomball, TX) a High-Risk Area & What Are Local Home Values?

ZIP code 77377 in Tomball, Texas (Harris County) tracks 259 EPA-regulated sites (2 High-Risk, 0.8%), 4 FEMA county disaster declarations, and a LOW USDA soil foundation signal. Local U.S. Census & HUD benchmarks report a $489,500 median home value (+36.9% 5-yr FHFA appreciation) and $1,920/mo 2-BR Fair Market Rent, with 8 nearby K–12 schools.

ZIP 77377 (Tomball, TX) Benchmark Verified Local Figure Intelligence Category
Median Home Value / 5-Yr Appreciation $489,500 (+36.9% 5-Yr Trend) Valuation & Appreciation Index
2-Bedroom Fair Market Rent Benchmark $1,920 / month (3-BR: $2,580/mo) Rental Yield & Cap-Rate Index
Regulated Sites & High-Risk Facilities 259 sites (2 High-Risk • $145,355 penalties) Environmental & Compliance Audit
Flood Disaster History & Soil Shrink-Swell 4 Flood/Storm Disasters • LOW Soil Risk Flood & Foundation Stability
K–12 Schools (3 Mi) & Walkability Score 8 K–12 Schools • 6.1 / 20.0 Walk Score • Fire 1.59 mi Schools, Transit & Fire Access
Total EPA Sites in 77377
259
High-Risk (0.8% vs 2.2% County)
2
Active Violators (1.5%)
4
Drinking & Clean Water
249
Federal Penalties
$145,355

ZIP 77377 (Tomball, 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
Harris 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: LOW • Pipe Corrosion: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
12 SDWIS Systems • 237 NPDES Permits
🔒 36 Impaired Water (303d) & 9 Violation Dockets in 77377 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 77377 (Tomball, TX) Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)
1. ZIP 77377 Regulatory & Water Mix
RCRA Hazardous Waste Generators 7 (2.7%)
Clean Water (NPDES) & Drinking Water (SDWIS) 249 (96.1%)
Active EPA Non-Compliance Dockets 4 (1.5%)
High-Risk Enforcement Facilities 2 (0.8%)
2. FEMA NRI & USGS Hazard Index (1–10) Very High (99.9/100)
🌊 Flood Exposure 9/10 • Very High Hazard
🔥 Wildfire Hazard 3/10 • Low Hazard
☀️ Extreme Heat 9/10 • Very High Hazard
🌪️ Severe Wind / Storm 9/10 • Very High Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. ZIP 77377 vs. County & State Benchmark
ZIP 77377 High-Risk Rate 0.8%
Harris County Average 2.2%
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 77377 →

ZIP 77377 Sector Screening Map (High-Risk Pin Coordinates Locked)

Exact street pins for 2 High-Risk and 4 Active Violation sites are redacted on public directory maps.

🔒 Unlock Exact Hazard Pin Map →
🔒 2 High-Risk & 4 Violation Pin Coordinates Redacted in ZIP 77377 (Only 3 Low-Risk Preview Pins Shown) Unlock Full Parcel Map & Street Dossier →

Regulated EPA Facilities in ZIP 77377 (Tomball, 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 77377 Dossier →
Facility Name / Hazard Type Sector Location (Street Redacted) Risk Score (0–100) Compliance Status Enforcement / Unlock
🔒 Locked Regulated EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • TOMBALL, TX (ZIP 77377 Sector) MODERATE (33/100) Violation Identified (3 qtrs NC) 🔒 3 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • TOMBALL, TX (ZIP 77377 Sector) MODERATE (32/100) No Violation Identified (0 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • TOMBALL, TX (ZIP 77377 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • TOMBALL, TX (ZIP 77377 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • TOMBALL, TX (ZIP 77377 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • TOMBALL, TX (ZIP 77377 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • ROSE HILL, TX (ZIP 77377 Sector) MODERATE (30/100) Violation Identified (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • CITY OF TOMBALL, TX (ZIP 77377 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (3 qtrs NC) 🔒 3 Qtrs Non-Compliance • Unlock →
WATER DISTRIBUTION & SANITARY SEWER FACILITIES ROSE HILL FREE PREVIEW (LOW RISK) GRAND PKWY 99 CYPRESS ROSE HILL N OF 99, TOMBALL, TX 77377 LOW (18/100) No Violation Identified (0 qtrs NC) $0
GP NORTHWEST FREE PREVIEW (LOW RISK) 15402 - 15592 BOUDREAUX RD, TOMBALL, TX 77377 LOW (18/100) No Violation Identified (0 qtrs NC) $0
WILLOW CREEK BUSINESS PARK FREE PREVIEW (LOW RISK) 15802 BOUDREAUX RD, TOMBALL, TX 77377 LOW (18/100) No Violation Identified (0 qtrs NC) $0
16 RUGGED LARK CIRCLE ELLER RESIDENCE FREE PREVIEW (LOW RISK) 16 RUGGED LARK CIR, TOMBALL, TX 77377 LOW (18/100) No Violation Identified (0 qtrs NC) $0
🔒 + 247 Additional Regulated & Enforcement Records in ZIP 77377 Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — ZIP 77377 (Tomball, TX) EPA Dataset & Radon

DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 05, 2026)

What is the home value, appreciation, and Fair Market Rent in ZIP 77377 (Tomball, TX)?

In ZIP 77377 (Tomball, TX), U.S. Census & HUD benchmarks show a median home value of $489,500, 5-year FHFA home price appreciation of +36.9%, and a HUD 2-Bedroom Small Area Fair Market Rent of $1,920/month.

How many EPA-tracked environmental sites are in ZIP code 77377 (Tomball, TX)?

ZIP code 77377 (Tomball, TX) contains 259 EPA-tracked facilities, of which 2 (0.8%) are classified in the High-Risk tier, 4 (1.5%) have active compliance violations, and 7 (2.7%) handle RCRA hazardous waste.

Is ZIP 77377 (Tomball, TX) in a FEMA flood zone and what is the soil foundation risk?

Harris County has recorded 4 historical FEMA disaster declarations (2 flood/storm events), and USDA regional soil screening indicates a LOW 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 77377?

Within 3 miles of the ZIP 77377 center, federal NCES & USGS registries index 8 public, charter, and private K–12 campuses, nearest fire/EMS station at 1.59 mi, and an EPA National Walkability Score of 6.1/20.0.

Does ZIP 77377 have drinking water (SDWIS) permits or EPA radon risk?

Geologic screening places ZIP 77377 in EPA Zone 3 — Low Potential (< 2.0 pCi/L), with 12 SDWIS drinking water facilities, 237 Clean Water NPDES permits, and 36 impaired water body dischargers tracked in this postal sector.

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