the huntingdon is a 503 ft (153m) tall skyscraper in houston, texas. the 34-floor structure was completed in 1984 by the developer james e. lyon. it is the 27th tallest building in the city. it is also the tallest entirely residential building in houston and was the tallest residential building in texas until the mercantile building was converted into residences. the mercantile, with baroque gate piers, is twenty feet taller than the huntingdon.