The Mortgage Bankers Association Purchase Index rose 14.4% from a week earlier, the association said. No adjustment was made for Veteran's Day, which occurred in the previous week.
The index is now at it's highest reading since the week ending May 7, 2010.
Total mortgage applications rose 2.1% from a week earlier on a seasonally adjusted basis. The Refinance Index dropped 1% from the previous week to its lowest since the end of June.
Refinance applications made up 78.6% of total applications, compared with 80.3% a week earlier.
The average contract interest rate for 30-year fixed-rate mortgages rose to 4.5% from 4.46%.