148 East 91 Street

Owner: Icon Realty Management

Acquired: July 22, 2025, $7.6 million

Debt: April 28, 2026, $14.5 million

Built: 1910

SF: 19,825

Dwelling units: 24

No. of buildings: 2

Class: Over Six Families With Stores (C7)

Floors: 5

Transactions:

• Icon Realty Management borrowed $14.5 million from Related Companies and Community Preservation Corporation for 148 East 91st Street, Carnegie Hill, Manhattan on April 28, 2026.

• Sunny Capital Management sold 1377-1379 Lexington Avenue, Carnegie Hill, Manhattan for $7.6 million to Icon Realty Management on July 22, 2025.

Development:

• Terrence Lowenberg filed major alteration job 123087239 for 19,806 sqft R-2 building with 21 apartments in Carnegie Hill, Manhattan, on May 12, 2017.

• Michael Ladish filed major alteration job 120951657 for 19,900 sqft R-2 building with 17 apartments in Carnegie Hill, Manhattan, on January 17, 2012.

• Terrence Lowenberg filed alteration job M00900883 for 1,495 sqft RES building with 22 apartments in Carnegie Hill, Manhattan, on July 21, 2023.

• Terrence Lowenberg filed alteration job 123715774 for R-2 building with 8 apartments in Carnegie Hill, Manhattan, on April 09, 2019.

• Xilin Li filed alteration job 123415580 for COM building with 21 apartments in Carnegie Hill, Manhattan, on February 15, 2019.

• Terrence Lowenberg filed alteration job 123409472 for RES building with 24 apartments in Carnegie Hill, Manhattan, on April 12, 2018.

• Terrence Lowenberg filed alteration job 121291280 for RES building with 24 apartments in Carnegie Hill, Manhattan, on June 06, 2017.

Violations:

According to city public data, the properties have received one DOB violation, $312 in ECB penalties, and $1,262 in OATH penalties in the last year.