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. Days on market were down sharply with homes selling in under three weeks on average. Prices continue to increase because the months supply of homes for sale remains low at just 2.2 months. With median selling price of 99.3% of list price, virtually no room for buyers to negotiate.