358 East 134 Street

Owner: Shimshon Grunstein

Acquired: June 28, 2023, $1.2 million

Debt: April 22, 2026, $6.4 million

Built: 2024

Renovated: 2023

SF: 9,276

Dwelling units: 26

No. of buildings: 1

Class: Semi-fireproof (Without Stores) (D1)

Floors: 8

Legacy BBLs: 2022960044

Transactions:

• Shimshon Grunstein borrowed $6.4 million from Spencer Savings Bank for 358 East 134th Street, Mott Haven, Bronx on April 22, 2026.

• None sold 358 East 134th Street, Mott Haven, Bronx for $1.2 million to None on June 28, 2023.

Development:

• Barry Altmark filed new building job 220671887 for 9,383 sqft R-2 building with 10 apartments in Mott Haven, Bronx, on October 04, 2018.

• Shimshon Grunstein filed alteration job X01216054 for 1 sqft building with 24 apartments in Mott Haven, Bronx, on April 28, 2025.

• Issac Adler filed alteration job X00983141 for 2,548 sqft building with 0 apartments in Mott Haven, Bronx, on January 29, 2024.

• Shimshon Grunstein filed alteration job X00925833 for 1 sqft building with 10 apartments in Bronx, on August 28, 2023.

• Matthew Grabina filed alteration job X00561357 for 11,979 sqft R-2 building with 10 apartments in Mott Haven, Bronx, on July 21, 2021.

• Barry Altmark filed alteration job X00179384 for 250 sqft building with 10 apartments in Mott Haven, Bronx, on June 13, 2019.