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13-SECTION MUNICIPAL PROPERTY, MARKET, FLOOD & HAZARD HUB • REDWOOD CITY, CA

Redwood City, California — Property Hazard, Flood Zone, Soil, Water & Market Guide

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What Are the Major Property, Flood, Soil & Environmental Risks in Redwood City, CA?

Public U.S. EPA records track 2,055 regulated facilities in Redwood City, California (San Mateo County), including 3 High-Risk sites (0.1%) and 4 active violators. In addition to industrial waste, Redwood City properties are screened for Tap Water & Watershed Permits (122 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).

Total EPA Sites
2,055
High-Risk (0.1% vs 0.3% State)
3
Active Violators (0.2%)
4
Drinking & Clean Water
122
Federal Penalties
$287,942

Redwood City, 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 Mateo County: 4 FEMA Declarations (4 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Status Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: MODERATE • Pipe Corrosion: Low
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
4 SDWIS Systems • 118 NPDES Permits
🔒 0 Impaired Water (303d) & 9 Violation Dockets 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

📊 Redwood City, CA Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)
1. Municipal Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 1,945 (94.6%)
Clean Water (NPDES) & Drinking Water (SDWIS) 122 (5.9%)
Active EPA Non-Compliance Dockets 4 (0.2%)
High-Risk Enforcement Facilities 3 (0.1%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively High (99.2/100)
🌊 Flood Exposure 7/10 • High Hazard
🔥 Wildfire Hazard 5/10 • Moderate Hazard
☀️ Extreme Heat 5/10 • Moderate Hazard
🌪️ Severe Wind / Storm 3/10 • Low Hazard
🫨 USGS Earthquake 7/10 • High Hazard
3. City vs. County & State Benchmark
Redwood City High-Risk Rate 0.1%
San Mateo County Average 0.1%
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.
🔒 Scan a Property Address in Redwood City →

ZIP Codes in Redwood City, CA

ZIP 94063 (1,005 sites • 3 High Risk) ZIP 94062 (589 sites • 0 High Risk) ZIP 94061 (540 sites • 0 High Risk) ZIP 94065 (157 sites • 0 High Risk) ZIP 94064 (7 sites • 0 High Risk) ZIP 94036 (4 sites • 0 High Risk) ZIP 94052 (1 sites • 0 High Risk)

Highest-Scored EPA Regulated Facilities in Redwood City, 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 Redwood City Dossier →
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 • REDWOOD CITY, CA (ZIP 94063 Sector) HIGH (64/100) Significant Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • REDWOOD CITY, CA (ZIP 94063 Sector) MODERATE (57/100) Resolved / Historical Non-Compliance (3 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • REDWOOD CITY, CA (ZIP 94063 Sector) MODERATE (56/100) Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • REDWOOD CITY, CA (ZIP 94063 Sector) MODERATE (53/100) Violation (5 qtrs NC) 🔒 5 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • REDWOOD CITY, CA (ZIP 94063 Sector) MODERATE (44/100) Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • REDWOOD CITY, CA (ZIP 94063 Sector) MODERATE (34/100) Resolved / Historical Non-Compliance (1 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • REDWOOD CITY, CA (ZIP 94062 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • REDWOOD CITY, CA (ZIP 94062 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
GOLDEN SHOP STAR LLC DBA RAYS AUTO REPAIR FREE PREVIEW (LOW RISK) 2333 EL CAMINO REAL, REDWOOD CITY, CA 94063 LOW (17/100) No Violation Identified (0 qtrs NC) $0
ACELRX PHARMACEUTICALS INC FREE PREVIEW (LOW RISK) 351 GALVESTON DR, REDWOOD CITY, CA 94063 LOW (17/100) No Violation Identified (0 qtrs NC) $0
A PLUS AUTO REPAIR OF REDWOOD CITY FREE PREVIEW (LOW RISK) 535 WHIPPLE AVENUE, REDWOOD CITY, CA 94063 LOW (17/100) No Violation Identified (0 qtrs NC) $0
NEXT INC FREE PREVIEW (LOW RISK) 900 CHESAPEAKE DR, REDWOOD CITY, CA 94063 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 2,043 Additional Regulated & Enforcement Records in Redwood City, CA Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Redwood City, California Environmental Risk & Radon

How many EPA-regulated facilities are in Redwood City, CA?

U.S. EPA records track 2,055 regulated facilities in Redwood City, California, including 3 high-risk sites (0.1%), 4 active violators (0.2%), and 1,945 RCRA hazardous waste handlers (94.6%).

Which ZIP codes in Redwood City, CA have the most EPA-tracked sites?

Within Redwood City, regulated facilities are primarily concentrated across ZIP 94063 (1,005 sites), ZIP 94062 (589 sites), ZIP 94061 (540 sites), ZIP 94065 (157 sites).

How can I check a specific house or commercial property in Redwood City, CA?

Enter the exact street address in Redwood City 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 Redwood City, CA and how many EPA water permits exist?

In Redwood City, CA, federal registries track 4 Safe Drinking Water (SDWIS) facilities, 118 Clean Water Act NPDES permits, and 0 impaired water body dischargers.

What is the soil foundation risk and FEMA flood disaster history in Redwood City, CA?

USDA regional soil screening for Redwood City 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.

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