[gallery ids="335059"] The real estate market varies across Round Rock, Pflugerville and Hutto’s six ZIP codes. One area has seen a decrease in the average number of days a home stays on the market, while others are seeing an uptick. The median home sales price has increased for reach zip code except 78717, which has seen a decrease from $350,191 between May 2016 and May 2017 to $347,000 between May 2017 and May 2018.