San Quentin, California — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in San Quentin, CA?
Public U.S. EPA records track 9 regulated facilities in San Quentin, California (Marin County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, San Quentin properties are screened for Tap Water & Watershed Permits (3 systems), USDA Soil Foundation Shrink-Swell (LOW signal), 3 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
San Quentin, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 San Quentin, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in San Quentin, CA
Highest-Scored EPA Regulated Facilities in San Quentin, 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 Tier & Score | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • SAN QUENTIN, CA (ZIP 94964 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SAN QUENTIN, CA (ZIP 94964 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SAN QUENTIN, CA (ZIP 94964 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| CALTRANS DISTRICT 4 MAINTENANCE FREE PREVIEW (LOW RISK) | RICHMOND SAN RAFAEL BRIDGE, SAN QUENTIN, CA 94964 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| PACIFIC BELL FREE PREVIEW (LOW RISK) | 2131 FRANCISCO BLVD, SAN QUENTIN, CA 94964 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| DOC- CALIFORNIA STATE PRISON, SAN QUENTIN FREE PREVIEW (LOW RISK) | 1 MAIN STREET, SAN QUENTIN, CA 94964 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| OAK HILL APARTMENTS FREE PREVIEW (LOW RISK) | 7 VALLEY WAY, SAN QUENTIN, CA 94964 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SAN QUENTIN, CA (ZIP 94964 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • SAN QUENTIN, CA (ZIP 94964 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — San Quentin, California Environmental Risk & Radon
How many EPA-regulated facilities are in San Quentin, CA?
U.S. EPA records track 9 regulated facilities in San Quentin, California, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 6 RCRA hazardous waste handlers (66.7%).
Which ZIP codes in San Quentin, CA have the most EPA-tracked sites?
Within San Quentin, regulated facilities are primarily concentrated across local postal codes.
How can I check a specific house or commercial property in San Quentin, CA?
Enter the exact street address in San Quentin into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.
Is tap water safe in San Quentin, CA and how many EPA water permits exist?
In San Quentin, CA, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 3 Clean Water Act NPDES permits, and 0 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in San Quentin, CA?
USDA regional soil screening for San Quentin indicates a LOW shrink-swell foundation signal, and Marin County has recorded 3 federal FEMA disaster declarations (3 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.