Declaration Partners
510 Madison Avenue, New York, NY 10022, USA
4800 Hampden Lane, Bethesda, MD 20814, USA
Declaration Partners NYC portfolio
$16.7 million -D0 100%; Manhattan 100%*
3839th largest portfolio by dollar value
49,170 sqft – D0 100%; Manhattan 100%
3479th largest by SF
16 residential units – Manhattan 100%
4075th largest by residential units
Notes
Declaration Partners is a private investment firm founded in 2017 and based on the family office of Carlyle Group founder David M. Rubenstein, and invests for other family offices and institutional firms.
Company Activity past 24 months:
Buyer company: 1 for $50.1 million
Recent activity as company:
• Charles W. Leslie ground leased 115 Prince Street valued at $50.1 million to Declaration Partners on December 10, 2025.
Latest Stories:
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