43 West 23rd Street

Floor/Suite: 

Partial 4

Size: 

9,495 RSF

Lease type:

Sublease through 01/30/2028

Condition:

Furnished

  • Fully furnished, plug-and-play sublease in the heart of the Flatiron District.
  • This approximately 9,494 RSF partial-floor office features 45+ workstations, 7 meeting rooms, a dedicated phone room and a large eat-in pantry.
  • Available for a 12–18 month term.
  • 43 West 23rd Street (The Castro Building)
  • between Fifth Avenue and Avenue of the Americas
  • Owned by: Castro Properties
  • Class: B
  • 122,517 Total RSF
  • 8 floors
  • Amenities: Lobby Attendant 24/7

Building Details

  • Building was recently renovated to feature a refreshed lobby, 3 recently upgraded passenger elevators, and a very strong tenant roster.
  • Generational family ownership group with an office in the building - lobby is attended 24/7 – onsite super and management staff.

Noah Co. does not exclusively represent the space or building listed above.

As of 08-18-2026