This is the largest gain since the housing bubble burst.
"This marks the highest increase since the housing bubble burst," said David Blitzer, chairman of the index committee at S&P Dow Jones Indices.
All of the 20 markets posted a year-over-year gain.
Detroit was the only market that did not show an increased pace.
February Shows Large Drop In Number Of Houses Lost To Foreclosure
A majority of the gains were seen in areas that were hit hard by foreclosures, such as Los Angeles and San Francisco.