U.S. house prices remained flat in January according to the Federal Housing Finance Agency (FHFA) seasonally adjusted monthly House Price Index (HPI). The HPI has reflected positive monthly increases since early 2012, except for November 2013 and January 2017, when house prices were flat on a month-over-month basis. The previously reported 0.4 percent increase in December remains unrevised.

The FHFA monthly HPI is calculated using home sales price information from mortgages sold to, or guaranteed by, Fannie Mae and Freddie Mac. From January 2016 to January 2017, house prices were up 5.7 percent.