Flood Zone Comparison
Compare key metrics between 21114 21114, MD — Zone AE and 99688 99688, AK — Zone AE. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 21114 21114, MD — Zone AE | 99688 99688, AK — Zone AE |
|---|---|---|
| name | 21114 21114, MD — Zone AE | 99688 99688, AK — Zone AE |
| zip code | 21114 | 99688 |
| city | 21114 | 99688 |
| 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 | 3,322 | 3,322 |
| base flood elevation | 14 ft | 13 ft |
| historical floods | 12 recorded flood events in the past 50 years. Most recent major flood: 2019 | 6 recorded flood events in the past 50 years. Most recent major flood: 2008 |
| nearest water | Missouri River (3.3 miles) | Gulf of Mexico (3.7 miles) |
| elevation ft | 954 | 1,996 |
| population | 54,549 | 36,728 |
| median home value | 417,093 | 380,894 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $78,985 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $116,438 |
| 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 | 8511C483J | 7179C668J |
| 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.