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27 E 21st St 2,400 SF of Office Space Available in New York, NY 10010

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SUBLEASE HIGHLIGHTS

  • Prime Flatiron location surrounded by top-tier dining, retail, and residential density.
  • Strong transit connectivity via Union Square and 23rd Street subway stations.
  • High-income consumer base and steady daytime population supporting diverse tenancy.
  • Classic New York streetscape with historic architectural character and appealing façade presence.
  • Ideal environment for creative, boutique commercial, or professional uses.
  • Steps from Madison Square Park and major business corridors including Broadway and Park Avenue South.

ALL AVAILABLE SPACE(1)

Display Rental Rate as

  • SPACE
  • SIZE
  • TERM
  • RENTAL RATE
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • 7th Floor
  • 2,400 SF
  • Dec 2029
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

Impeccably renovated interior design office New hardwood floors + exposed ceilings New 24/7 tenant-controlled central air Available as a full floor or can divide High end Thermador appliances (including stove) in working kitchen Display kitchen in “display mode” with Gaggenau appliances & a working coffee machine (can stay or go) Building has passenger + freight elevator Can be divided/shared - see floor plans

  • Sublease space available from current tenant
  • Fully Built-Out as Standard Office
  • Space is in Excellent Condition
  • High Ceilings
  • Full floor or can be divided
  • Listed rate may not include certain utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • Kitchen
  • Hardwood Floors
  • Gaggenau appliances
Space Size Term Rental Rate Space Use Condition Available
7th Floor 2,400 SF Dec 2029 Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now

7th Floor

Size
2,400 SF
Term
Dec 2029
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

7th Floor

Size 2,400 SF
Term Dec 2029
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

Impeccably renovated interior design office New hardwood floors + exposed ceilings New 24/7 tenant-controlled central air Available as a full floor or can divide High end Thermador appliances (including stove) in working kitchen Display kitchen in “display mode” with Gaggenau appliances & a working coffee machine (can stay or go) Building has passenger + freight elevator Can be divided/shared - see floor plans

  • Sublease space available from current tenant
  • Listed rate may not include certain utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Kitchen
  • High Ceilings
  • Hardwood Floors
  • Full floor or can be divided
  • Gaggenau appliances

PROPERTY OVERVIEW

27 E 21st St is positioned in the heart of Manhattan’s sought-after Flatiron District, one of New York City’s most dynamic commercial and residential hubs. This tree-lined block sits just off Broadway and Park Avenue South, offering proximity to landmark corridors while maintaining the intimate scale and architectural charm characteristic of East 20s side streets. The immediate neighborhood blends historic loft buildings, modern boutique offices, luxury residences, and acclaimed dining, creating strong demand for tenants seeking prestige and accessibility.

PROPERTY FACTS

Building Type
Office
Year Built
1903
Building Height
10 Stories
Building Size
25,000 SF
Building Class
C
Typical Floor Size
2,500 SF

SELECT TENANTS

  • FLOOR
  • TENANT NAME
  • INDUSTRY
  • 1st
  • Giorgio's Of Gramercy
  • -
  • 5th
  • Gouda Inc
  • Professional, Scientific, and Technical Services
  • 9th
  • Grisini On The Go LLC
  • Accommodation and Food Services
  • 9th
  • Halperin Law Firm PLLC
  • Professional, Scientific, and Technical Services
  • 4th
  • J&D Digital Video Laboratories
  • Information
  • 9th
  • JesseJames Creative
  • Professional, Scientific, and Technical Services
  • 10th
  • Red Sky Strategy
  • Professional, Scientific, and Technical Services
Walk Score®
Walker's Paradise (100)
Transit Score®
Rider's Paradise (100)
Bike Score®
Biker's Paradise (91)
What is a Walk Score®, Transit Score® & Bike Score®?
Walk Score® measures the walkability of any address.
Transit Score® measures access to public transit.
Bike Score® measures bikeability of a location.
What is a Walk Score®
, Transit Score® & Bike Score?
Walk Score® measures the walkability
of any address. Transit Score®
measures access to public transit. Bike Score®
measures bikeability of a location.®
  • Listing ID: 39212478

  • Date on Market: 1/26/2026

  • Last Updated:

  • Address: 27 E 21st St, New York, NY 10010

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