1734 to 1761: from family house to Washington home
The house built in 1734 by Augustine Washington became the basis of the Mansion you visit today. George Washington leased the estate in 1754 and formally became owner in 1761, then expanded both house and grounds over decades. On site, that layered growth is why the estate feels lived-in rather than staged.
1799: the estate becomes a national memory site
George Washington died at Mount Vernon on December 14, 1799. In the years after his death, visitors began coming specifically to see where he lived and was buried, and that pilgrimage pattern still shapes crowd flow around the Mansion and tomb areas today.
1853 to 1860: rescue and public opening
The Mount Vernon Ladies' Association was founded in 1853, agreed purchase terms in 1858, and took possession on February 22, 1860. That campaign is treated as a foundational moment in U.S. historic preservation, and it explains why so much of the broader landscape, not only the house, is protected today.
2023 to 2026: restoration and next-phase reopening
Recent conservation phases include major Mansion exterior work completed in 2023, with additional interior-focused work and gallery renewal continuing into 2026. In practice, you visit a site that is both deeply historic and actively maintained, which is why current planning details can change by season.