PUBLIC DATA SOURCE: U.S. EPA ECHO, FRS, RCRA, TRI & FEMA NFHL 3,230,651 Regulated Sites • All 50 States • Data as of November 02, 2026
Home › States › California › San Luis Obispo › ZIP 93405
6-IN-1 ZIP CODE ENVIRONMENTAL, WATER, SOIL & FLOOD PROFILE • 93405

ZIP 93405 (San Luis Obispo, CA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards

Run Full 1-Mile Property Scan in 93405 →

ZIP code 93405 in San Luis Obispo, California (San Luis Obispo County) has 330 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 1 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 93405 are screened across 5 historical San Luis Obispo County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (37), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).

Total EPA Sites in 93405
330
High-Risk (0.0% vs 0.4% County)
0
Active Violators (0.3%)
1
Drinking & Clean Water
37
Federal Penalties
$0

ZIP 93405 (San Luis Obispo, CA) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals

🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan
🌊 Flood Zone & FEMA Disaster History
San Luis Obispo County: 5 FEMA Declarations (5 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Mandatory Insurance Status Locked
Unlock Parcel Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: LOW • Pipe Corrosion: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
4 SDWIS Systems • 33 NPDES Permits
🔒 4 Impaired Water (303d) & 1 Violation Dockets in 93405 Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 ZIP 93405 (San Luis Obispo, CA) Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 02, 2026)
1. ZIP 93405 Regulatory & Water Mix
RCRA Hazardous Waste Generators 293 (88.8%)
Clean Water (NPDES) & Drinking Water (SDWIS) 37 (11.2%)
Active EPA Non-Compliance Dockets 1 (0.3%)
High-Risk Enforcement Facilities 0 (0.0%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively High (95.9/100)
🌊 Flood Exposure 7/10 • High Hazard
🔥 Wildfire Hazard 7/10 • High Hazard
☀️ Extreme Heat 3/10 • Low Hazard
🌪️ Severe Wind / Storm 1/10 • Very Low Hazard
🫨 USGS Earthquake 5/10 • Moderate Hazard
3. ZIP 93405 vs. County & State Benchmark
ZIP 93405 High-Risk Rate 0.0%
San Luis Obispo County Average 0.4%
California (CA) Statewide Avg 0.3%
Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Unlock Full 6-in-1 Property Report for 93405 →

ZIP 93405 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.

🔒 Unlock Exact Hazard Pin Map →
🔒 0 High-Risk & 1 Violation Pin Coordinates Redacted in ZIP 93405 (Only 3 Low-Risk Preview Pins Shown) Unlock Full Parcel Map & Street Dossier →

Regulated EPA Facilities in ZIP 93405 (San Luis Obispo, CA)

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

Unlock Full ZIP 93405 Dossier →
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 • SAN LUIS OBISPO, CA (ZIP 93405 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 LUIS OBISPO, CA (ZIP 93405 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • SAN LUIS OBISPO, CA (ZIP 93405 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 LUIS OBISPO, CA (ZIP 93405 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 LUIS OBISPO, CA (ZIP 93405 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 LUIS OBISPO, CA (ZIP 93405 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 LUIS OBISPO, CA (ZIP 93405 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 LUIS OBISPO, CA (ZIP 93405 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
SYCAMORE MINERAL SPRINGS FREE PREVIEW (LOW RISK) 1215AVILA BEACH, SAN LUIS OBISPO, CA 93405 LOW (24/100) No Violation Identified (0 qtrs NC) $0
WORLD MARKET #6047 FREE PREVIEW (LOW RISK) 325 MADONNA RD, SAN LUIS OBISPO, CA 93405 LOW (17/100) No Violation Identified (0 qtrs NC) $0
SUNSET HONDA FREE PREVIEW (LOW RISK) 12250 LOS OSOS VALLEY ROAD, SAN LUIS OBISPO, CA 93405 LOW (17/100) No Violation Identified (0 qtrs NC) $0
ATT FREE PREVIEW (LOW RISK) 9401 LOS OSOS VALLEY RD, SAN LUIS OBISPO, CA 93405 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 318 Additional Regulated & Enforcement Records in ZIP 93405 Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — ZIP 93405 (San Luis Obispo, CA) EPA Dataset & Radon

DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 02, 2026)

How many EPA-tracked environmental sites are in ZIP code 93405 (San Luis Obispo, CA)?

ZIP code 93405 (San Luis Obispo, CA) contains 330 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 1 (0.3%) have active compliance violations, and 293 (88.8%) handle RCRA hazardous waste.

How does ZIP 93405 compare to San Luis Obispo County and California averages?

In ZIP 93405, 0.0% of regulated sites are rated High Risk, compared to 0.4% across San Luis Obispo County and 0.3% statewide in California.

What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 93405?

Geologic screening places ZIP 93405 in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.

Is ZIP 93405 (San Luis Obispo, CA) in a FEMA flood zone and what is the flood disaster history?

San Luis Obispo County has recorded 5 historical FEMA federal disaster declarations (5 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 93405 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.

Does ZIP 93405 have expansive clay soil, foundation problems, or drinking water violations?

USDA regional soil screening for ZIP 93405 indicates a LOW shrink-swell risk signal. Within ZIP 93405, federal registries track 4 SDWIS drinking water facilities, 33 Clean Water NPDES permits, and 4 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.

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