Browse Offices
List Your Space
Email us:info@tandem.space
CA DRE # 02234104NY DRE # 10311210503

Company

  • About

  • Blog

  • Contact Us

  • Terms of Service

  • CA Disclosures

Resources

  • By State

  • Top Offices

Explore

  • Explore Spaces

  • Share Your Space

© 2025 Tandem Space, Inc.
All rights reserved.

High-Ceiling, Light-Filled Office in Prime Flatiron, Union Square

48 W 21st St, 12th Floor Suite, New York, NY, 10010

High-Ceiling, Light-Filled Office in Prime Flatiron, Union Square

48 W 21st St, 12th Floor Suite, New York, NY, 10010
Space Thumbnail
Space Thumbnail
Image #2
Image #3
Image #4
Image #5
Image #6
Image #7
Image #8
Image #9
Image #10
1 of 10
space image 1
space image 2
Private Room
Starting at $5,000/ mo
or
10 desks available
1 meeting room
950 sqft

Workspace options

Private room

A private, plug-and-play room with shared common areas and amenities

12-mo lease term

About the space

VIEW FLOOR PLAN TO SEE PRIVATE ROOM AVAIL AND SHARED ACCESS TO SPACE

48 W 21st Street offers a bright, private office on the 12th floor of a boutique Flatiron building. This 750 SF sublet features high ceilings, oversized windows that flood the space with natural light, and a functional layout ideal for a small team. An additional 200 SF room can be added, bringing the total space to 950 SF.

This is a sublease available through April 2027, with an asking price of $5,000/month all-inclusive (or $6,500/month with the additional room). The building has a responsive on-site property manager and is well-maintained for a comfortable work environment.

NEIGHBORHOOD Situated in the heart of the Flatiron District, just steps from Union Square, 48 W 21st Street provides excellent access to the 4/5/6, N/Q/R/W, L, and F/M subway lines. Surrounded by an abundance of dining, coffee shops, and retail options—including Eataly, Shake Shack, and Blue Bottle Coffee—the location offers everything a growing team needs. This boutique building provides a professional yet creative atmosphere in one of Manhattan’s most dynamic neighborhoods.

PRICING

  • 750 SF office: $5k per month
  • 750 SF space WITH 200 SF optional room: $6.5k per month

What's included

Badge Access
Controlled Access
Guest Access
24-hour access
Elevator

Any questions?

If you have any questions about the space, lease terms, or anything else, you can send a direct message.

Floor Plans

Space image 1

Location

Private Room
Starting at $5,000/ mo
or