South San Francisco, California — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in South San Francisco, CA?
Public U.S. EPA records track 2,189 regulated facilities in South San Francisco, California (San Mateo County), including 4 High-Risk sites (0.2%) and 3 active violators. In addition to industrial waste, South San Francisco properties are screened for Tap Water & Watershed Permits (109 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 Francisco, 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 Francisco, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in South San Francisco, CA
Highest-Scored EPA Regulated Facilities in South San Francisco, 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • SOUTH SAN FRANCISCO, CA (ZIP 94080 Sector) | HIGH (65/100) | Violation (3 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SOUTH SAN FRANCISCO, CA (ZIP 94080 Sector) | MODERATE (52/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SOUTH SAN FRANCISCO, CA (ZIP 94080 Sector) | MODERATE (36/100) | Resolved / Historical Non-Compliance (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SOUTH SAN FRANCISCO, CA (ZIP 94080 Sector) | MODERATE (35/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • SOUTH SAN FRANCISCO, CA (ZIP 94080 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • SOUTH SAN FRANCISCO, CA (ZIP 94080 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SOUTH SAN FRANCISCO, CA (ZIP 94080 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • SOUTH SAN FRANCISCO, CA (ZIP 94080 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| OYSTER POINT INTER AREA 2 FREE PREVIEW (LOW RISK) | OYSTER POINT BLVD US 101, SOUTH SAN FRANCISCO, CA 94080 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| ASHER BIOTHERAPEUTICS INC FREE PREVIEW (LOW RISK) | 650 GATEWAY BLVD #100, SOUTH SAN FRANCISCO, CA 94080 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CRYSCADE INC FREE PREVIEW (LOW RISK) | 385 OYSTER PT BLVD, SOUTH SAN FRANCISCO, CA 94080 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| GILEAD SCIENCES INC FREE PREVIEW (LOW RISK) | 750 GATEWAY BLVD, SOUTH SAN FRANCISCO, CA 94080 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — South San Francisco, California Environmental Risk & Radon
How many EPA-regulated facilities are in South San Francisco, CA?
U.S. EPA records track 2,189 regulated facilities in South San Francisco, California, including 4 high-risk sites (0.2%), 3 active violators (0.1%), and 2,078 RCRA hazardous waste handlers (94.9%).
Which ZIP codes in South San Francisco, CA have the most EPA-tracked sites?
Within South San Francisco, regulated facilities are primarily concentrated across ZIP 94083 (6 sites), ZIP 94090 (3 sites), ZIP 94050 (1 sites).
How can I check a specific house or commercial property in South San Francisco, CA?
Enter the exact street address in South San Francisco 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 Francisco, CA and how many EPA water permits exist?
In South San Francisco, CA, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 109 Clean Water Act NPDES permits, and 18 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in South San Francisco, CA?
USDA regional soil screening for South San Francisco 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.