South San Franciscos, California — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in South San Franciscos, CA?
Public U.S. EPA records track 1 regulated facilities in South San Franciscos, California (San Mateo County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, South San Franciscos properties are screened for Tap Water & Watershed Permits (0 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 4 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
South San Franciscos, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 South San Franciscos, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)ZIP Codes in South San Franciscos, CA
Highest-Scored EPA Regulated Facilities in South San Franciscos, 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 |
|---|---|---|---|---|
| 651 GATEWAY RECLAD-LAB FREE PREVIEW (LOW RISK) | 651 651 GATEWAY BLVD., SOUTH SAN FRANCISCOS, CA 94080 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — South San Franciscos, California Environmental Risk & Radon
How many EPA-regulated facilities are in South San Franciscos, CA?
U.S. EPA records track 1 regulated facilities in South San Franciscos, California, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 1 RCRA hazardous waste handlers (100.0%).
Which ZIP codes in South San Franciscos, CA have the most EPA-tracked sites?
Within South San Franciscos, regulated facilities are primarily concentrated across local postal codes.
How can I check a specific house or commercial property in South San Franciscos, CA?
Enter the exact street address in South San Franciscos 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 South San Franciscos, CA and how many EPA water permits exist?
In South San Franciscos, CA, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 0 Clean Water Act NPDES permits, and 0 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in South San Franciscos, CA?
USDA regional soil screening for South San Franciscos indicates a MODERATE shrink-swell foundation signal, and San Mateo County has recorded 4 federal FEMA disaster declarations (4 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.