Las Vegas region home sales rose last month to the highest level for a March in four years as buyers took advantage of soon-to-expire tax credits and low home prices and mortgage rates. The median sale price inched up from February and declined from the year-ago level by the smallest amount since October 2007, thanks mainly to an uptick in transactions over $200,000 and a decrease in foreclosure resales, a real estate information service reported.

Foreclosure resales – homes tha...