San Marcos, California — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in San Marcos, CA?
Public U.S. EPA records track 1,639 regulated facilities in San Marcos, California (San Diego County), including 2 High-Risk sites (0.1%) and 4 active violators. In addition to industrial waste, San Marcos properties are screened for Tap Water & Watershed Permits (352 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 Marcos, 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 Marcos, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)ZIP Codes in San Marcos, CA
Highest-Scored EPA Regulated Facilities in San Marcos, 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 MARCOS, CA (ZIP 92078 Sector) | MODERATE (40/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SAN MARCOS, CA (ZIP 92069 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SAN MARCOS, CA (ZIP 92069 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SAN MARCOS, CA (ZIP 92078 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • SAN MARCOS, CA (ZIP 92069 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • SAN MARCOS, CA (ZIP 92069 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SAN MARCOS, CA (ZIP 92069 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • SAN MARCOS, CA (ZIP 92069 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| OLD FASHIONED WOODWORKING FREE PREVIEW (LOW RISK) | 120 N PACIFIC STE G3, SAN MARCOS, CA 92069 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| PARABILIS SPACE TECHNOLOGIES, INC. FREE PREVIEW (LOW RISK) | 1195 LINDA VISTA DR., STE F, SAN MARCOS, CA 92078 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| LOZANO PREFORMANCE FREE PREVIEW (LOW RISK) | 1568 OSAGE ST, SAN MARCOS, CA 92078 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CLINIQA CORPORATION FREE PREVIEW (LOW RISK) | 495 ENTERPRISE ST, SAN MARCOS, CA 92078 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — San Marcos, California Environmental Risk & Radon
How many EPA-regulated facilities are in San Marcos, CA?
U.S. EPA records track 1,639 regulated facilities in San Marcos, California, including 2 high-risk sites (0.1%), 4 active violators (0.2%), and 1,324 RCRA hazardous waste handlers (80.8%).
Which ZIP codes in San Marcos, CA have the most EPA-tracked sites?
Within San Marcos, regulated facilities are primarily concentrated across ZIP 92069 (841 sites), ZIP 92078 (781 sites), ZIP 92068 (7 sites), ZIP 92079 (4 sites).
How can I check a specific house or commercial property in San Marcos, CA?
Enter the exact street address in San Marcos 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 Marcos, CA and how many EPA water permits exist?
In San Marcos, CA, federal registries track 2 Safe Drinking Water (SDWIS) facilities, 350 Clean Water Act NPDES permits, and 22 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in San Marcos, CA?
USDA regional soil screening for San Marcos indicates a LOW shrink-swell foundation signal, and San Diego 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.