# 1 Shale Circle, Antioch

Source page: https://checkyourplace.com/address/antioch/1-shale-circle-antioch

## Facts

- City: Antioch
- 2026 conforming loan limit: $1,249,125 (FHFA, Contra Costa County)
- EPA radon zone: 2 (moderate potential)
- Coordinates: 37.98061, -121.80250

Sourced directly from official city and county records.