All-Transactions House Price Index for Orange County, CA was 383.50000 Index 2000=100 in January of 2024, according to the United States Federal Reserve. Historically, All-Transactions House Price Index for Orange County, CA reached a record high of 383.50000 in January of 2024 and a record low of 17.53000 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 Orange County, CA - last updated from the United States Federal Reserve on April of 2026.