Housing Inventory: Median Days on Market in Snohomish County, WA was 31.00000 Level in March of 2026, according to the United States Federal Reserve. Historically, Housing Inventory: Median Days on Market in Snohomish County, WA reached a record high of 72.00000 in January of 2026 and a record low of 10.00000 in May of 2017. Trading Economics provides the current actual value, an historical data chart and related indicators for Housing Inventory: Median Days on Market in Snohomish County, WA - last updated from the United States Federal Reserve on May of 2026.