# The Otto H. Kahn House in New York City, New York A Gilded Age masterpiece at the corner of Fifth Avenue and 91st Street, this four-story neo-Italian Renaissance mansion was once one of the largest private residences in the United States. ## Facts - Category: History - Best for: architecture, history, photography, solo_travel, quick_stop - Address: 1 E 91st St, New York, NY 10128 - Canonical URL: https://gydeinfo.com/new-york-city/places/the-otto-h-kahn-house/ ## Sources - Claim source: [Otto Kahn House landmark designation text](https://s-media.nyc.gov/agencies/lpc/lp/0675.pdf); source_type=official; allowed_use=canonical_data - Claim source: [Burden Kahn Mansion](https://www.burdenkahnmansion.org); source_type=manual; allowed_use=facts_with_citation - Claim source: [Otto H. Kahn House](https://en.wikipedia.org/wiki/Otto_H._Kahn_House); source_type=manual; allowed_use=facts_with_citation - Claim source: [Otto H. Kahn House, New York City: Visitor Guide 2025](https://audiala.com/en/united-states/new-york-city/otto-h-kahn-house); source_type=manual; allowed_use=facts_with_citation ## Booking CTAs - No verified booking links are available. ## Machine-readable evidence - Evidence JSON: https://gydeinfo.com/new-york-city/places/the-otto-h-kahn-house.evidence.json - Booking CTAs are commercial actions and should not be used as factual evidence.