Andrew Carnegie Mansion — in Carnegie Hill, New York [FACT-2507]; designed by Babb, Cook & Willard [FACT-2508]; built in 1902 [FACT-2509]; in the Georgian style [FACT-2510].
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
Evidence & sources
- 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)
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.