306 East 71 Street

Owner: Michael Mangan

Debt: November 21, 2025, $6 million

Built: 1920

Renovated: 1962

SF: 9,635

Dwelling units: 20

No. of buildings: 1

Class: Fireproof (Standard Construction Without Stores) (D3)

Floors: 5

Transactions:

• Michael Mangan borrowed $6 million from Customers Bank for 306 East 71st Street, Lenox Hill, Manhattan on November 21, 2025.

• Michael Mangan borrowed $6 million from New York Community Bank for 306 East 71st Street, Lenox Hill, Manhattan on September 02, 2020.

Development:

• Michael Mangan filed plans for alteration in Lenox Hill, Manhattan, on January 14, 2014.

• Micheal Mangan filed plans for alteration in Lenox Hill, Manhattan, on May 26, 2000.

• Elaine Van Rossen filed plans for A3 in Lenox Hill, Manhattan, on May 17, 2000.

Violations:

According to city public data, the properties have received $50 in OATH penalties in the last year.