48 East 26 Street

Owner: Boston Properties

Acquired: December 30, 2021, $300 million

Debt: December 30, 2021, $220 million

Built: 1913

Renovated: 1985

SF: 450,727

Dwelling units: 0

No. of buildings: 1

Class: Tower Type (O4)

Floors: 21

Transactions:

• Boston Properties borrowed $220 million from Bank of New York Mellon for 360 Park Avenue South, Flatiron District, Manhattan on December 30, 2021.

• Empire Asset Management sold 360 Park Avenue South, Flatiron District, Manhattan for $300 million to Boston Properties on December 30, 2021.

Development:

• Patrick Cooper filed major alteration job M00989779 for 296,250 sqft 56 building with 0 apartments in Flatiron District, Manhattan, on March 06, 2024.

• Patrick Cooper filed major alteration job M00632743 for 296,250 sqft B building with 0 apartments in Flatiron District, Manhattan, on January 13, 2022.

• Patrick Cooper filed alteration job M01404632 for 14,564 sqft E building with 0 apartments in Flatiron District, Manhattan, on June 01, 2026.

• Patrick Cooper filed alteration job M01387830 for 14,564 sqft E building with 0 apartments in Flatiron District, Manhattan, on April 23, 2026.

• Patrick Cooper filed alteration job M01374917 for 14,564 sqft B building with 0 apartments in Flatiron District, Manhattan, on April 08, 2026.

• Patrick Cooper filed alteration job M01374907 for 14,564 sqft B building with 0 apartments in Flatiron District, Manhattan, on April 03, 2026.

• Patrick Cooper filed alteration job M01356808 for 23,038 sqft E building with 0 apartments in Flatiron District, Manhattan, on February 11, 2026.

Violations:

According to city public data, the properties have received $350 in OATH penalties in the last year.

Latest Stories:

• Boston Properties pays $300M to Empire Asset for office building in Flatiron District (January 03, 2022)