# 8431 West Castle Island Avenue, Chicago

Source page: https://checkyourplace.com/address/chicago/8431-west-castle-island-avenue-chicago

## Facts

- City: Chicago
- Building type: detached
- 2026 conforming loan limit: $832,750 (FHFA, Cook County)
- EPA radon zone: 2 (moderate potential)
- Sinkhole-prone ground: on karst terrain (USGS)
- Coordinates: 41.96210, -87.83802

Sourced directly from official city and county records.
