Flood Zone Comparison
Compare key metrics between 20662 20662, MD — Zone A and 85282 85282, AZ — Zone AE. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 20662 20662, MD — Zone A | 85282 85282, AZ — Zone AE |
|---|---|---|
| name | 20662 20662, MD — Zone A | 85282 85282, AZ — Zone AE |
| zip code | 20662 | 85282 |
| city | 20662 | 85282 |
| state | Maryland | Arizona |
| state code | MD | AZ |
| 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 | 2,535 | 2,535 |
| base flood elevation | 7 ft | 22 ft |
| historical floods | 13 recorded flood events in the past 50 years. Most recent major flood: 2015 | 2 recorded flood events in the past 50 years. Most recent major flood: 2009 |
| nearest water | local stream (1.4 miles) | Arkansas River (3.0 miles) |
| elevation ft | 202 | 6,024 |
| population | 38,439 | 40,756 |
| median home value | 739,770 | 403,618 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $82,014 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $102,287 |
| 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 | 2785C601J | 1575C882J |
| 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.