Flood Zone Comparison
Compare key metrics between 11421 11421, NY — Zone A and 17347 17347, PA — Zone AE. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 11421 11421, NY — Zone A | 17347 17347, PA — Zone AE |
|---|---|---|
| name | 11421 11421, NY — Zone A | 17347 17347, PA — Zone AE |
| zip code | 11421 | 17347 |
| city | 11421 | 17347 |
| state | New York | Pennsylvania |
| state code | NY | PA |
| category | High Risk | High Risk |
| flood zone | Zone A (High Risk — 100-Year Floodplain, No BFE) | Zone AE (High Risk — 100-Year Floodplain) |
| risk level | High Risk | High Risk |
| annual flood prob | 1% annual chance (100-year flood) | 1% annual chance (100-year flood) |
| insurance required | Required for federally-backed mortgages | Required for federally-backed mortgages |
| avg annual premium | 1,923 | 1,923 |
| base flood elevation | 15 ft | 15 ft |
| historical floods | 13 recorded flood events in the past 50 years. Most recent major flood: 2020 | 6 recorded flood events in the past 50 years. Most recent major flood: 2021 |
| nearest water | Potomac River (2.0 miles) | Merrimack River (1.6 miles) |
| elevation ft | 1,195 | 1,481 |
| population | 77,497 | 57,517 |
| median home value | 147,319 | 709,812 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $89,673 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $154,266 |
| mitigation tips | Elevate utilities above base flood elevation; install sump pumps with battery backup; consider flood-proofing ground floor; maintain flood insurance; create an emergency evacuation plan; store important documents above flood level. | Elevate utilities above base flood elevation; install sump pumps with battery backup; consider flood-proofing ground floor; maintain flood insurance; create an emergency evacuation plan; store important documents above flood level. |
| fema map id | 7041C109J | 2407C189J |
| last updated | 2025-01-01 | 2025-01-01 |
Our team analyzes data from FEMA National Flood Hazard Layer to deliver accurate, up-to-date information. All data is verified and cross-referenced with official sources.