# 1001-1003 South Mason Avenue, Chicago

Source page: https://checkyourplace.com/address/chicago/1001-1003-south-mason-avenue-chicago

## Facts

- City: Chicago
- 2026 conforming loan limit: $832,750 (FHFA, Cook County)
- EPA radon zone: 2 (moderate potential)
- Coordinates: 41.86897, -87.77266

Sourced directly from official city and county records.