How are Oak Hill home prices faring? Better than many places. The average selling price for a home in Oak Hill is currently $472,100, down 4% from a year ago, according to Zillow.com, which keeps track of these things. You can find the value of your home by trying our Zillow house pricing application on the right side of your screen. The good news is that home prices in the Washington area are actually increasing, one of only a few areas in the country to do so this year.