Kykuit — designed by Delano & Aldrich [FACT-0676]; built in 1913 [FACT-0677]; in the Beaux-Arts style [FACT-0678].
Location: Pocantico Hills, Mount Pleasant, New York, United States
Verified facts
- Designed by Delano & Aldrich
confidence 70/100 · 2 independent sources · SRC-0750, SRC-0752 - Built in 1913
confidence 70/100 · 2 independent sources · SRC-0752, SRC-0753 - Architectural style: Beaux-Arts
confidence 70/100 · 2 independent sources · SRC-0752, SRC-0753
Evidence & sources
- SRC-0750 — National Park Service — National Register of Historic Places Inventory/Nomination, John D. Rockefeller Estate (Kykuit), ref. 76001290 (Tier 1, official_archive; retrieved June 2026)
- SRC-0752 — Rockefeller Brothers Fund — Kykuit (official site) (Tier 1, official_site; retrieved June 2026)
- SRC-0753 — National Trust for Historic Preservation — Kykuit (savingplaces.org) (Tier 2, 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.