Flood Zone Comparison
Compare key metrics between 21795 21795, MD — Zone AE and 99580 99580, AK — Zone AE. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 21795 21795, MD — Zone AE | 99580 99580, AK — Zone AE |
|---|---|---|
| name | 21795 21795, MD — Zone AE | 99580 99580, AK — Zone AE |
| zip code | 21795 | 99580 |
| city | 21795 | 99580 |
| state | Maryland | Alaska |
| state code | MD | AK |
| category | High Risk | High Risk |
| flood zone | Zone AE (High Risk — 100-Year Floodplain) | 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 | 3,500 | 3,500 |
| base flood elevation | 23 ft | 10 ft |
| historical floods | 14 recorded flood events in the past 50 years. Most recent major flood: 2008 | 7 recorded flood events in the past 50 years. Most recent major flood: 2024 |
| nearest water | local river (0.5 miles) | Long Island Sound (3.8 miles) |
| elevation ft | 1,062 | 766 |
| population | 53,026 | 23,007 |
| median home value | 151,754 | 533,239 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $87,867 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $145,646 |
| 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 | 8128C120J | 7561C432J |
| 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.