W. B. Thompson Mansion is a Renaissance Revival mansion in Yonkers, New York. Built in 1912, it was designed by Carrère and Hastings, and is listed on the U.S. National Register of Historic Places. It is owned by William Boyce Thompson. It has appeared on screen in A Beautiful Mind (2001), Mona Lisa Smile (2003) and The Royal Tenenbaums (2001).
Location: Yonkers, New York, United States
Verified facts
- Located in Yonkers, New York
confidence 75/100 · 3 independent sources · SRC-10843, SRC-10844, SRC-12716 - Appeared in A Beautiful Mind (movie, 2001) — as The secretive mansion where John Nash (Russell Crowe) routinely drops off his top-secret…
confidence 80/100 · 4 independent sources · SRC-10843, SRC-10844, SRC-11213, SRC-13474 - Appeared in Mona Lisa Smile (movie, 2003) — as filming location used for scenes in the film (mansion setting
confidence 80/100 · 4 independent sources · SRC-10843, SRC-10844, SRC-11214, SRC-13474 - Appeared in The Royal Tenenbaums (movie, 2001) — as The school from which Margot Tenenbaum escaped at age 14, seen in the private detective's…
confidence 80/100 · 4 independent sources · SRC-10843, SRC-10844, SRC-11214, SRC-13474 - Built in 1912
confidence 75/100 · 3 independent sources · SRC-10843, SRC-10844, SRC-11921 - Designed by Carrère and Hastings
confidence 90/100 · 4 independent sources · SRC-10843, SRC-10844, SRC-11921, SRC-12716 - Architectural style: Renaissance Revival
confidence 75/100 · 3 independent sources · SRC-10843, SRC-10844, SRC-11921 - Built in 1912
confidence 75/100 · 3 independent sources · SRC-10843, SRC-10844, SRC-11921 - Designed by Carrère and Hastings
confidence 90/100 · 4 independent sources · SRC-10843, SRC-10844, SRC-11921, SRC-12716 - Architectural style: Renaissance Revival
confidence 75/100 · 3 independent sources · SRC-10843, SRC-10844, SRC-11921 - Historic designation: National Register of Historic Places (listed October 29, 1982)
confidence 75/100 · 3 independent sources · SRC-10843, SRC-11213, SRC-12717
Ownership history
Previous owners
- William Boyce Thompson (1912–1930)
confidence 90/100 · SRC-10843, SRC-10844, SRC-11921, SRC-12716 - William Boyce Thompson (1912–1930)
confidence 90/100 · SRC-10843, SRC-10844, SRC-11921, SRC-12716
Evidence & sources
- SRC-10843 — https://en.wikipedia.org/wiki/W._B._Thompson_Mansion (Tier 1, reference; retrieved June 2026)
- SRC-10844 — https://aldermanor.com/ (Tier 3, reference; retrieved June 2026)
- SRC-11213 — movie-locations.com – A Beautiful Mind (2001) (Tier 2, reference; retrieved June 2026)
- SRC-11214 — movie-locations.com – The Royal Tenenbaums (2001) (Tier 2, reference; retrieved June 2026)
- SRC-11921 — Untapped New York — Inside Alder Manor, a Tycoon's Mansion in Yonkers (Tier 2, reference; retrieved June 2026)
- SRC-12716 — Hudson Valley Ruins: Alder Manor by Rob Yasinsac (Tier 2, reference; retrieved June 2026)
- SRC-12717 — Wikidata: W. B. Thompson Mansion (Q7945348) (Tier 3, reference; retrieved June 2026)
- SRC-13474 — https://onlocationtours.com/locations/a-beautiful-mind/ (Tier 3, reference; retrieved July 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 A Beautiful Mind filmed?
W. B. Thompson Mansion, in Yonkers, New York, is a real-world filming location used for A Beautiful Mind. This property has also appeared on screen in Mona Lisa Smile, The Royal Tenenbaums.
Where was Mona Lisa Smile filmed?
W. B. Thompson Mansion, in Yonkers, New York, is a real-world filming location used for Mona Lisa Smile. This property has also appeared on screen in A Beautiful Mind, The Royal Tenenbaums.
Where was The Royal Tenenbaums filmed?
W. B. Thompson Mansion, in Yonkers, New York, is a real-world filming location used for The Royal Tenenbaums. This property has also appeared on screen in A Beautiful Mind, Mona Lisa Smile.
Who designed W. B. Thompson Mansion?
W. B. Thompson Mansion was designed by Carrère and Hastings.
Where is W. B. Thompson Mansion located?
W. B. Thompson Mansion is located in Yonkers, New York.