The index value was equal to 100 as of January 2000, so if the index value is equal to 130 in a given month, for example, it means that the house prices increased by 30 percent since 2000. The Graph and download revisions to economic data for from Jan 1987 to Dec 2019 about NH, Boston, MA, HPI, housing, price index, price, indexes, and USA. S&P/Case-Shiller MA-Boston Home Price Index Skip to main content Graph and download economic data for Condo Price Index for Boston, Massachusetts (BOXRCSA) from Jan 1995 to Dec 2019 about Boston, HPI, housing, price index, price, indexes, and USA. S&P/Case-Shiller Home Price Indices. S&P Case-Shiller Condo Price Indices: Condo Price Index, Monthly, Seasonally Adjusted; RELATED CONTENT