Indian Trail Housing Market Update/Video May 2019. Indian Trail, NC (28079 zip code) area includes the towns of Stallings, Hemby Bridge, and Lake Park in Union County. The Indian Trail area saw an increase in both average and median home prices year-over-year, as well as month-over-month. Prices continued to increase as the months supply of homes for sale remained low at just 2.4 months (dropping 11.1% versus one year ago) and inventory dropping 10% versus one year ago. Although days on market are up somewhat compared with June 2018, median days on market in June 2019 were just 15 days. With median selling price of 98.3% of list price, not much room for buyers to negotiate.