- For Lease Contact for pricing
- Property Type Office - General Office
- Property Size 157,027 SF
- Lot Size 0.21 Acre
- Property Tenancy Multi-Tenant
- Building Class A
- Year Built 1971
- Date Updated Oct 7, 2026
True
6 Spaces Available
#1200
General Office
Contact for pricing
6,960 SF
12
6,960 - 6,960 SF
Immediate
Yes
No
No
The 12th-floor office suite at 645 Madison Avenue offers a sophisticated and efficient workplace in the
heart of the Plaza District. The space features a thoughtful mix of private offices, conference rooms,
open work areas, and collaborative space, providing flexibility for a range of professional users.
Expansive windows bring in abundant natural light and offer impressive Midtown views, while refined
finishes create a polished, executive environment. Ideally positioned along prestigious Madison Avenue
and surrounded by world-class dining, retail, and transportation, the suite is exceptionally well suited for
financial services, investment firms, family offices, consulting, legal, and other professional office users.
#1300
General Office
Contact for pricing
6,960 SF
13
6,960 - 6,960 SF
Immediate
Yes
No
No
The 13th floor at 645 Madison Avenue offers an exceptional opportunity to establish a presence along one of
Manhattan’s most prestigious commercial corridors. Featuring an efficient and flexible floor plate, abundant
natural light, and direct elevator access, the space provides a bright and professional environment suited for
a variety of office users. Surrounded by world-class retail, dining, hotels, and convenient transportation, the
space is ideal for financial services, investment firms, family offices, consulting, legal, and other professional
users seeking a premier Madison Avenue address.
#1400
General Office
Contact for pricing
6,952 SF
14
6,952 - 6,952 SF
Immediate
Yes
No
No
The 14th floor at 645 Madison Avenue presents a flexible office opportunity in one of Midtown Manhattan’s most
prestigious locations. Ownership can tailor the space to suit each tenant’s specific needs, creating a polished
and efficient workplace designed for seamless occupancy. With abundant natural light, a functional layout, and
a premier Madison Avenue address, the suite is well suited for financial services, investment firms, family offices,
consulting, legal, and other professional users seeking a sophisticated and highly connected Midtown presence.
#1500
General Office
Contact for pricing
6,952 SF
15
6,952 - 6,952 SF
Immediate
Yes
No
No
The entire 15th floor at 645 Madison Avenue offers a premier full-floor office opportunity for companies seeking
a distinguished presence along one of Manhattan’s most prestigious commercial corridors. Featuring an
efficient floor plate, abundant natural light, and flexible planning options, the space can accommodate a range
of layouts, from open collaborative work areas to private offices and conference rooms. Ownership can tailor
the space to meet each tenant’s specific requirements, providing a seamless, move-in-ready solution in the
heart of Midtown Manhattan.
#500
Creative Office
Contact for pricing
11,038 SF
5
11,038 - 11,038 SF
Immediate
Yes
No
Yes
Fifth-floor space at 645 Madison Avenue offers a bright, refined layout in the heart of the Upper East Side. Featuring
abundant natural light and a premier Madison Avenue location, the space is well suited for office, showroom,
creative, or professional use. Surrounded by world-class retail, dining, and convenient transportation, it provides an
exceptional opportunity for businesses seeking a prestigious Manhattan address. Landlord will turnkey the build out
or give a cash allowance to an incoming tenant to build the space of their choice.
Contacts
Kassin Sabbagh Realty
Kassin Sabbagh Realty
Kassin Sabbagh Realty
Kassin Sabbagh Realty
