Housing Inventory: Average Listing Price Year-Over-Year in Collin County, TX was -2.74% in March of 2026, according to the United States Federal Reserve. Historically, Housing Inventory: Average Listing Price Year-Over-Year in Collin County, TX reached a record high of 34.45 in March of 2021 and a record low of -6.71 in November of 2017. Trading Economics provides the current actual value, an historical data chart and related indicators for Housing Inventory: Average Listing Price Year-Over-Year in Collin County, TX - last updated from the United States Federal Reserve on April of 2026.