All-Transactions House Price Index for Maricopa County, AZ was 350.90000 Index 2000=100 in January of 2024, according to the United States Federal Reserve. Historically, All-Transactions House Price Index for Maricopa County, AZ reached a record high of 350.90000 in January of 2024 and a record low of 29.03000 in January of 1975. Trading Economics provides the current actual value, an historical data chart and related indicators for All-Transactions House Price Index for Maricopa County, AZ - last updated from the United States Federal Reserve on February of 2026.