# 643 North Humphrey Avenue, Oak Park

Source page: https://checkyourplace.com/address/oak-park/643-north-humphrey-avenue-oak-park

## Facts

- City: Oak Park
- Building type: residential
- 2026 conforming loan limit: $832,750 (FHFA, Cook County)
- EPA radon zone: 2 (moderate potential)
- Sinkhole-prone ground: on karst terrain (USGS)
- Coordinates: 41.89812, -87.77719

Sourced directly from official city and county records.