# 21 Historic Old Highway 90, San Antonio

Source page: https://checkyourplace.com/address/san-antonio/21-historic-old-highway-90-san-antonio

## Facts

- City: San Antonio
- FEMA flood zone: Zone AE, high risk; flood insurance required by federally backed lenders
- 2026 conforming loan limit: $832,750 (FHFA, Bexar County)
- EPA radon zone: 3 (low potential)
- Coordinates: 29.41020, -98.61257

Sourced directly from official city and county records.