40 East 26 Street

Owner: Rudin Management

Acquired: May 28, 2026, $0

Built: 1971

Renovated: 2018

SF: 524,937

Dwelling units: 0

No. of buildings: 1

Class: Tower Type (O4)

Floors: 43

Transactions:

• None sold 41 Madison Avenue and 27 Madison Avenue, Flatiron District, Manhattan for $0 to None on May 28, 2026.

Development:

• Eugene Boniberger filed major alteration job 121190442 for 485,369 sqft B building in Flatiron District, Manhattan, on February 24, 2016.

• Richard Concannon filed major alteration job 103182128 for E building in Flatiron District, Manhattan, on June 06, 2002.

• Paul Mandel filed alteration job M01391333 for 13,000 sqft 56 building with 0 apartments in Flatiron District, Manhattan, on May 08, 2026.

• Paul Mandel filed alteration job M01347949 for 13,300 sqft 56 building with 0 apartments in Flatiron District, Manhattan, on March 19, 2026.

• Paul Mandel filed alteration job M01347575 for 7,500 sqft 56 building with 0 apartments in Flatiron District, Manhattan, on February 17, 2026.

• Paul Mandel filed alteration job M01334133 for 13,000 sqft 56 building with 0 apartments in Flatiron District, Manhattan, on January 29, 2026.

• Richard Concannon filed alteration job M01312370 for building in Flatiron District, Manhattan, on November 01, 2025.

Violations:

According to city public data, the properties have received $2,500 in ECB penalties and $2,800 in OATH penalties in the last year.