1000 1 Avenue

Owner: Robert Kushner

Debt: February 12, 2024, $7.8 million

Built: 1956

Renovated: 1989

SF: 111,792

Dwelling units: 128

No. of buildings: 1

Class: Fireproof – With Stores (D6)

Floors: 17

HPD Ownership Registration Information

Last registered: 2023-09-02 (expires 2024-09-30)

Transactions:

• Robert Kushner and Michael Wind borrowed $7.8 million from Berkadia Commercial Mortgage for 400 East 55th Street, Sutton Place, Manhattan on February 12, 2024.

Development:

• David Wind filed alteration job M01406985 for 40,000 sqft RES building with 128 apartments in Sutton Place, Manhattan, on June 19, 2026.

• K And W Management filed alteration job M01398539 for 2,650 sqft building with 128 apartments in Sutton Place, Manhattan, on June 03, 2026.

• K And W Management filed alteration job M01328705 for building in Sutton Place, Manhattan, on December 07, 2025.

• K And W Management filed alteration job M01162975 for 42 sqft building with 128 apartments in Sutton Place, Manhattan, on February 12, 2025.

• K And W Management filed alteration job M01138540 for building in Sutton Place, Manhattan, on November 14, 2024.

Violations:

According to city public data, the properties have received two DOB violations in the last year.