Flood Zone Comparison
Compare key metrics between 21774 21774, MD — Zone AE and 21917 21917, MD — Zone VE. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 21774 21774, MD — Zone AE | 21917 21917, MD — Zone VE |
|---|---|---|
| name | 21774 21774, MD — Zone AE | 21917 21917, MD — Zone VE |
| zip code | 21774 | 21917 |
| city | 21774 | 21917 |
| state | Maryland | Maryland |
| state code | MD | MD |
| category | High Risk | Very High Risk |
| flood zone | Zone AE (High Risk — 100-Year Floodplain) | Zone VE (Very High Risk — Coastal 100-Year + Wave Action) |
| risk level | High Risk | Very High Risk |
| annual flood prob | 1% annual chance (100-year flood) | 1% annual chance with velocity wave action |
| insurance required | Required for federally-backed mortgages | Required — highest risk coastal zone |
| avg annual premium | 2,690 | 2,690 |
| base flood elevation | 21 ft | 7 ft |
| historical floods | 0 recorded flood events in the past 50 years | 9 recorded flood events in the past 50 years. Most recent major flood: 2004 |
| nearest water | local river (2.2 miles) | local stream (1.7 miles) |
| elevation ft | 555 | 238 |
| population | 1,636 | 72,782 |
| median home value | 450,000 | 107,384 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $18,026 | 65-80% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $21,123 |
| 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. | Reinforce foundation against wave action; install storm shutters; elevate entire structure if possible; maintain maximum flood insurance coverage; establish evacuation routes; consider relocating critical infrastructure to upper floors. |
| fema map id | 9392C319J | 5159C366J |
| 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.