Parkchester is a planned community and neighborhood originally developed by the Metropolitan Life Insurance Company and located in the east Bronx, New York City. The immediate surrounding area also takes its name from the complex. Its boundaries, starting from the north and moving clockwise, are East Tremont Avenue to the north, Castle Hill Avenue …Parkchester is a planned community and neighborhood originally developed by the Metropolitan Life Insurance Company and located in the east Bronx, New York City. The immediate surrounding area also takes its name from the complex. Its boundaries, starting from the north and moving clockwise, are East Tremont Avenue to the north, Castle Hill Avenue to the east, Westchester Avenue to the south, East 177th Street/Cross Bronx Expressway to the southwest, and White Plains Road to the west. Metropolitan Avenue, Unionport Road, and White Plains Road are the primary thoroughfares through Parkchester.