Summerseat Building
- 130 Legion and Hillcrest Avenue
- Summerseat Bldg
- Morrisville, PA 19067
- (215) 295-7339
The Historic Morrisville Society's Summerseat Building was Thomas Barclay's circa 1765 Georgian mansion and Washington's headquarters in December 1776. Subsequent owners include Declaration of Independence and Constitution signer, Robert Morris. Groups are welcome at the restored National Historic Landmark.
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Gift Shop:
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Natl Registry of Historic Places: