The national median existing single-family home price in the fourth quarter was $247,800, which is up 5.3 percent from the fourth quarter of 2016 ($235,400). The median price during last year's third quarter climbed 5.6 percent from the third quarter of 2016.

Single-family home prices last quarter increased in 92 percent of measured markets, with 162 out of 177 metropolitan statistical areas showing sales price gains in the fourth quarter compared to a year ago. Twenty-six metro areas (15 percent) experienced double-digit increases (11 percent in the third quarter), and 18 metros eclipsed their previous peak sales price. Overall, home prices are now at their all-time high in 114 markets (64 percent).