Housing Inventory: Median Home Size in Square Feet Month-Over-Month in Washington was 0.13% in March of 2024, according to the United States Federal Reserve. Historically, Housing Inventory: Median Home Size in Square Feet Month-Over-Month in Washington reached a record high of 3.34 in May of 2022 and a record low of -2.71 in September of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for Housing Inventory: Median Home Size in Square Feet Month-Over-Month in Washington - last updated from the United States Federal Reserve on May of 2024.