Brewster Heights is a census-designated place in the town of Southeast in Putnam County, New York, United States. It was first listed as a CDP prior to the 2020 census. Brewster Heights occupies a hilltop in the west-central part of the town of Southeast, in southeastern Putnam County. It is bordered to the south by the village of Brewster. It is 12 miles west of Danbury, Connecticut.