Mount Vernon — in Mount Vernon (Fairfax County) [FACT-0235]; built in 1787 [FACT-0236].
Location: Mount Vernon, Mount Vernon, Virginia, United States
Verified facts
- Located in Mount Vernon (Fairfax County), Virginia
confidence 70/100 · 2 independent sources · SRC-0221, SRC-0222 - Built in 1787
confidence 70/100 · 2 independent sources · SRC-0221, SRC-0223 - Architectural style: Palladian
confidence 75/100 · 3 independent sources · SRC-0223, SRC-0224, SRC-0449 - Historic designation: National Historic Landmark (1960); National Register of Historic Places (1966); Virginia Landmarks Register (1969)
confidence 75/100 · 3 independent sources · SRC-0221, SRC-0224, SRC-0616
Evidence & sources
- SRC-0221 — Virginia Department of Historic Resources (Tier 1, official_archive; retrieved June 2026)
- SRC-0222 — U.S. National Park Service (Tier 1, official_archive; retrieved June 2026)
- SRC-0223 — George Washington's Mount Vernon (Mount Vernon Ladies' Association) (Tier 1, owner_statement; retrieved June 2026)
- SRC-0224 — Wikipedia (Tier 3, encyclopedia; retrieved June 2026)
- SRC-0449 — SAH Archipedia (Society of Architectural Historians / University of Virginia Press), 'Mount Vernon' by Richard Guy Wilson et al. (Tier 2, institutional_scholarship; retrieved June 2026)
- SRC-0616 — Mount Vernon — The Cultural Landscape Foundation (TCLF) (Tier 2, institutional_scholarship; retrieved June 2026)
How we verify
Every fact above is independently corroborated by at least two reputable sources and
confidence-scored before publication. Claims that cannot clear that bar are withheld. We publish
location only at neighborhood/city granularity — exact street addresses and personal information
are structurally barred from publication. Last reviewed June 2026.