Charles C. Platt Homestead is a historic home located at Plattsburgh in Clinton County, New York. It was built about 1802 and is a two-story, rectangular plan dwelling on a stone foundation in the Federal style. It features a one-story, gable roof rear wing with a board and batten wing behind. In 1814, it was used as the headquarters for Major-General Sir Thomas Macdougall Brisbane during the Battle of Plattsburgh.