Andrew Carnegie Mansion is a Georgian mansion in New York, New York, and a filming location for Gossip Girl (2008) and Marathon Man (1976). Built in 1902, it was designed by Babb, Cook & Willard, and is a National Historic Landmark. It is owned by Smithsonian Institution.
Location: Carnegie Hill, New York, New York, United States
Verified facts
- Located in Carnegie Hill, New York
confidence 70/100 · 2 independent sources · SRC-2301, SRC-2302 - Designed by Babb, Cook & Willard
confidence 70/100 · 2 independent sources · SRC-2303, SRC-2302 - Built in 1902
confidence 70/100 · 2 independent sources · SRC-2303, SRC-2301 - Architectural style: Georgian
confidence 70/100 · 2 independent sources · SRC-2302, SRC-2303 - Historic designation: National Historic Landmark
confidence 85/100 · 5 independent sources · SRC-2301, SRC-2304, SRC-6684, SRC-6685, SRC-9627 - Owned by Smithsonian Institution
confidence 90/100 · 6 independent sources · SRC-2303, SRC-2301, SRC-3935, SRC-6685, SRC-2304, SRC-10069 - Appeared in Gossip Girl (tv, 2008)
confidence 70/100 · 3 independent sources · SRC-9449, SRC-9450, SRC-9542 - Appeared in Marathon Man (movie, 1976)
confidence 70/100 · 3 independent sources · SRC-10499, SRC-3517, SRC-2301, SRC-14721
Evidence & sources
- SRC-10069 — Andrew Carnegie Mansion — Wikipedia (Tier 2, reference; retrieved June 2026)
- SRC-10499 — https://movie-locations.com/movies/m/Marathon-Man.php (Tier 2, reference; retrieved June 2026)
- SRC-14721 — Marathon Man (1976) — NYC in Film (Tier 2, reference; retrieved July 2026)
- SRC-2301 — Andrew Carnegie Mansion — Wikipedia (Tier 2, encyclopedia; retrieved June 2026)
- SRC-2302 — Andrew Carnegie Mansion — NYC Landmarks Preservation Commission Designation Report LP-0674 (Tier 1, official_archive; retrieved June 2026)
- SRC-2303 — About the Carnegie Mansion — Cooper Hewitt, Smithsonian Design Museum (Tier 1, official_site; retrieved June 2026)
- SRC-2304 — Beyond the Village and Back: Cooper Hewitt Museum, Former Andrew Carnegie Mansion — Village Preservation (Tier 2, institutional; retrieved June 2026)
- SRC-3517 — Movie-Locations.com — Film locations for Arthur (1981) (Tier 3, reference; retrieved June 2026)
- SRC-3935 — cooperhewitt.org (Tier 3, reference; retrieved June 2026)
- SRC-6684 — Cooper Hewitt, Smithsonian Design Museum — Timeline (Tier 2, official institution (occupant museum); retrieved June 2026)
- SRC-6685 — Clio – Cooper Hewitt, Smithsonian Design Museum (Andrew Carnegie Mansion) (Tier 2, educational_history; retrieved June 2026)
- SRC-9449 — grahmsguide.com (Tier 2, journalism; retrieved June 2026)
- SRC-9450 — www.thefilmtripper.com (Tier 2, journalism; retrieved June 2026)
- SRC-9542 — Your Ultimate Self-Guided Tour Of Gossip Girl's Iconic NYC Film Locations — y Travel Blog (Tier 2, journalism; retrieved June 2026)
- SRC-9627 — Smithsonian Institution, Architectural History & Historic Preservation (AHHP) — Vol. 3: SI NYC Properties (Tier 1, official_archive; 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 show the
street address only for non-residential public landmarks (museums, commercial and civic buildings,
publicly documented filming-location sites); the exact addresses of private residences and any
personal information are structurally barred from publication. Last reviewed June 2026.
Frequently asked questions
Where was Gossip Girl filmed?
Andrew Carnegie Mansion, in New York, New York, is a real-world filming location used for Gossip Girl. This property has also appeared on screen in Marathon Man.
Where was Marathon Man filmed?
Andrew Carnegie Mansion, in New York, New York, is a real-world filming location used for Marathon Man. This property has also appeared on screen in Gossip Girl.
Who designed Andrew Carnegie Mansion?
Andrew Carnegie Mansion was designed by Babb, Cook & Willard.
Where is Andrew Carnegie Mansion located?
Andrew Carnegie Mansion is located in New York, New York.