Career
He was a successful merchant-trader and real estate developer. He began his career as a merchant-trader after the American Revolutionary War. In 1780 he travelled to the West Indies exporting flour and timber and importing molasses, coffee, wine and gin.
In 1799 Pratt purchased the 43 acres at a Sheriff"s sale for $14,654.
Originally part of Robert Morris" 300 acre estate "The Hills". Pratt designed the house himself and served as general contractor.
Pratt named the estate Lemon Hills after the many lemon trees he found in Morris" greenhouse. He occupied the house until his death in 1838.
He died on February 6, 1838 in Philadelphia, Pennsylvania.
He is buried in Christ Church Burial Ground.
