City vs city
Mercer Island vs Renton, WA
Renton currently scores 5 points higher overall than Mercer Island, with the largest gap in wildfire.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality uses an ingested EPA AirNow snapshot and may not reflect current conditions; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
Mercer Island: 8/100 · Renton: 13/100
Renton is 5 points higher.
Flood
Mercer Island: 22/100 · Renton: 24/100
Renton is 2 points higher.
Mercer Island: FEMA NFHL flood zones: 2 features intersect this tile.
Renton: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Mercer Island: 7/100 · Renton: 7/100
No gap.
Mercer Island: Wind exposure derived from ingested design wind / climatology tiles.
Renton: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Mercer Island: 1/100 · Renton: 1/100
No gap.
Mercer Island: Lightning exposure derived from ingested climatology tiles.
Renton: Lightning exposure derived from ingested climatology tiles.
Tornado
Mercer Island: 8/100 · Renton: 0/100
Mercer Island is 8 points higher.
Mercer Island: Tornado risk derived from NOAA SPC historical reports.
Renton: Tornado risk derived from NOAA SPC historical reports.
Hail
Mercer Island: 1/100 · Renton: 2/100
Renton is 1 points higher.
Mercer Island: Hail risk derived from NOAA SPC historical reports.
Renton: Hail risk derived from NOAA SPC historical reports.
Storm surge
Mercer Island: Unavailable · Renton: Unavailable
A score difference cannot be calculated without both sources.
Mercer Island: Storm surge model is not available for this location yet.
Renton: Storm surge model is not available for this location yet.
Wildfire
Mercer Island: 8/100 · Renton: 35/100
Renton is 27 points higher.
Mercer Island: Wildfire exposure derived from ingested fire potential tiles.
Renton: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Mercer Island: 9/100 · Renton: 8/100
Mercer Island is 1 points higher.
Mercer Island: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Renton: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.