ZIP 94531 (Antioch, CA) — Property Value, Rent, Schools, Flood, Soil & EPA Report
Is ZIP 94531 (Antioch, CA) a High-Risk Area & What Are Local Home Values?
ZIP code 94531 in Antioch, California (Contra Costa County) tracks 127 EPA-regulated sites (0 High-Risk, 0.0%), 2 FEMA county disaster declarations, and a HIGH USDA soil foundation signal. Local U.S. Census & HUD benchmarks report a $639,200 median home value (+24.4% 5-yr FHFA appreciation) and $3,750/mo 2-BR Fair Market Rent, with 25 nearby K–12 schools.
| ZIP 94531 (Antioch, CA) Benchmark | Verified Local Figure | Intelligence Category |
|---|---|---|
| Median Home Value / 5-Yr Appreciation | $639,200 (+24.4% 5-Yr Trend) | Valuation & Appreciation Index |
| 2-Bedroom Fair Market Rent Benchmark | $3,750 / month (3-BR: $4,800/mo) | Rental Yield & Cap-Rate Index |
| Regulated Sites & High-Risk Facilities | 127 sites (0 High-Risk • $0 penalties) | Environmental & Compliance Audit |
| Flood Disaster History & Soil Shrink-Swell | 2 Flood/Storm Disasters • HIGH Soil Risk | Flood & Foundation Stability |
| K–12 Schools (3 Mi) & Walkability Score | 25 K–12 Schools • 9.2 / 20.0 Walk Score • Fire 1.35 mi | Schools, Transit & Fire Access |
ZIP 94531 (Antioch, CA) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 94531 (Antioch, CA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP 94531 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 0 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 94531 (Antioch, CA)
100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).
| 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 • ANTIOCH, CA (ZIP 94531 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • BRENTWOOD, CA (ZIP 94531 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ANTIOCH, CA (ZIP 94531 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ANTIOCH, CA (ZIP 94531 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ANTIOCH, CA (ZIP 94531 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ANTIOCH, CA (ZIP 94531 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ANTIOCH, CA (ZIP 94531 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • ANTIOCH, CA (ZIP 94531 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| DEER VALLEY HIGH SCHOOL FREE PREVIEW (LOW RISK) | 4700 LONE TREE WAY, ANTIOCH, CA 94531 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| TARGET STORE T1819 FREE PREVIEW (LOW RISK) | 5769 LONE TREE WAY, ANTIOCH, CA 94531 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| STAPLES THE OFFICE SUPERSTORE EAST INC STORE 1321 FREE PREVIEW (LOW RISK) | 4863 LONE TREE WAY, ANTIOCH, CA 94531 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| JOHN MUIR PHYSICIAN NETWORK FREE PREVIEW (LOW RISK) | 3440 HILLCREST AVE STE 150, ANTIOCH, CA 94531 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 94531 (Antioch, CA) 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 94531 (Antioch, CA)?
In ZIP 94531 (Antioch, CA), U.S. Census & HUD benchmarks show a median home value of $639,200, 5-year FHFA home price appreciation of +24.4%, and a HUD 2-Bedroom Small Area Fair Market Rent of $3,750/month.
How many EPA-tracked environmental sites are in ZIP code 94531 (Antioch, CA)?
ZIP code 94531 (Antioch, CA) contains 127 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 1 (0.8%) have active compliance violations, and 91 (71.7%) handle RCRA hazardous waste.
Is ZIP 94531 (Antioch, CA) in a FEMA flood zone and what is the soil foundation risk?
Contra Costa County has recorded 2 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 94531?
Within 3 miles of the ZIP 94531 center, federal NCES & USGS registries index 25 public, charter, and private K–12 campuses, nearest fire/EMS station at 1.35 mi, and an EPA National Walkability Score of 9.2/20.0.
Does ZIP 94531 have drinking water (SDWIS) permits or EPA radon risk?
Geologic screening places ZIP 94531 in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L), with 0 SDWIS drinking water facilities, 37 Clean Water NPDES permits, and 19 impaired water body dischargers tracked in this postal sector.