Thomas Leiper Estate

Thomas Leiper Estate
"Avondale", Thomas Leiper House
LocationAvondale Rd., Wallingford, Pennsylvania
Coordinates39°53′12″N 75°21′30″W / 39.88667°N 75.35833°W / 39.88667; -75.35833
Area6 acres (2.4 ha)
Built1785
NRHP reference No.70000547
Added to NRHPDecember 29, 1970

The Thomas Leiper Estate, also known as Avondale, is an historic, American estate that is located in Wallingford in Nether Providence Township, Delaware County, Pennsylvania.

It was added to the National Register of Historic Places in 1971.