Home Price Index

The S&P/Case-Shiller Home Price Index tracks changes in home prices in 20 metropolitan areas relative to January 2000. The base value is 100, so an index value of 150 would mean that home prices increased 50% since January 2000. The chart below reflects the seasonally adjusted data for the San Francisco Metropolitan Area.

The methodology, developed by Karl E. Case, an economics professor at Wellesley College, and Robert J. Shiller, an economics professor at Yale, collects data monthly on sales of existing single-family houses. The index is published on the last Tuesday of each month, with a two-month lag.

Note: The San Francisco metro area is defined as Alameda, Contra Costa, Marin, San Francisco, and San Mateo counties.

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