Aspen Hill is a census-designated place and an unincorporated area in Montgomery County, Maryland.EtymologyIt got its name from aspen trees that once were found near the first post office in the area. The post office was located in a general store on what was then known as the Washington-Brookeville Pike (now the intersection of Connecticut and Georgia Avenues) and opened around 1864.HistoryIn the 1920s and 1930s, Aspen Hill was known as being the location of Aspin Hill Memorial Park, one of three pet cemeteries then operating on the East Coast of the United States. Burials at Aspen Hill Cemetery included dogs that had served the during World War I as well as the pets of area residents. Memorial ceremonies honoring pets were often held there on World Day for Animals.In July 1950, Louis M. Denit sold 517acres of land in Aspen Hill to Gelman Construction Company for about $300,000. Denit was a well-known attorney who specialized in banking and trust law. Gelman Construction Company bought the land in order to build 2,450 three-bedroom ramblers, a shopping center, schools, playgrounds, and churches. The homes were priced at less $10,000 each.