340 East 51 Street

Owner: Stonehenge Nyc

Acquired: February 27, 2020, $66.2 million

Debt: January 08, 2025, $43.5 million

Built: 1965

Renovated: 2010

SF: 88,658

Dwelling units: 115

No. of buildings: 1

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

Floors: 14

HPD Ownership Registration Information

Last registered: 2025-08-04 (expires 2026-09-01)

Transactions:

• Stonehenge NYC and A-Rod Corp. borrowed $43.5 million from Ares Management for 340 East 51st Street, Turtle Bay, Manhattan on January 08, 2025.

• London family sold 340 East 51st Street, Midtown East, Manhattan for $66.2 million to Stonehenge NYC on February 27, 2020.

• Stonehenge NYC borrowed $23.6 million from Heitman LLC for 340 East 51st Street, Midtown East, Manhattan on February 27, 2020.

Development:

• Adam Grushko filed plans for alteration in Turtle Bay, Manhattan, on November 19, 2025.

• Adam Grushko filed plans for alteration in Turtle Bay, Manhattan, on November 19, 2025.

• Gurdeep Singh filed plans for alteration in Turtle Bay, Manhattan, on November 29, 2023.

• Adam Grushko filed plans for alteration in Turtle Bay, Manhattan, on January 05, 2023.

• Adam Grushko filed plans for alteration in Turtle Bay, Manhattan, on January 05, 2023.

Violations:

According to city public data, the properties have received five housing violations and $600 in OATH penalties in the last year.

Latest Stories:

• Stonehenge, Alex Rodriguez, Modlin Group pay $66M to London family for Midtown East rental property (February 28, 2020)

• Stonehenge, A-Rod Corp., borrow $24M from Heitman LLC for acquisition of Midtown East rental building (February 28, 2020)