Housing Inventory: Median Home Size in Square Feet Year-Over-Year in Washington was -4.03% in March of 2024, according to the United States Federal Reserve. Historically, Housing Inventory: Median Home Size in Square Feet Year-Over-Year in Washington reached a record high of 8.20 in May of 2022 and a record low of -10.08 in February of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Housing Inventory: Median Home Size in Square Feet Year-Over-Year in Washington - last updated from the United States Federal Reserve on May of 2024.