King William is a historic subdivision located in Downtown San Antonio. King William is located off S Presa near E Cesar E Chavez Blvd and the San Antonio River. King William is conveniently located near major shopping, dining and entertainment. Search real estate listings and view homes for sale in King William, a neighborhood in San Antonio, TX 78210. For your convenience, you can request more info or schedule a showing from the detail page of each of these King William real estate listings. Receive email alerts whenever new King William homes hit downtown San Antonio real estate market! Receive information on new and resale homes for buyers and sellers in King William area.