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25 E 21st St 100 - 4,700 SF of Office Space Available in New York, NY 10010

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HIGHLIGHTS

  • Attended Lobby
  • Passenger and Freight Elevators
  • 24/7 Access

ALL AVAILABLE SPACES(2)

Display Rental Rate as

  • SPACE
  • SIZE
  • TERM
  • RENTAL RATE
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • 6th Floor
  • 4,500 SF
  • 1 Year
  • $40.00 /SF/YR $3.33 /SF/MO $180,000 /YR $15,000 /MO
  • Office
  • Full Build-Out
  • February 01, 2026

Beautiful full floor loft office in Flatiron! Super sunny space with great natural light on the north and south sides. The space features wood floors, high ceilings, 6 private offices, 1 large conference room, wet pantry, and private restrooms. Tenants enjoy 24/7 access and an attended lobby. Seeking short term leases up to 1 year.

  • Listed rate may not include certain utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • 1 Conference Room
  • Space is in Excellent Condition
  • Elevator Access
  • High Ceilings
  • Natural Light
  • High Ceilings!
  • Fully Built-Out as Standard Office
  • 6 Private Offices
  • Finished Ceilings: 12’
  • Central Air Conditioning
  • Private Restrooms
  • Exposed Ceiling
  • Open-Plan
  • 9th Floor, Ste 900
  • 100-200 SF
  • 1-2 Years
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • Now

This unit features 7 perimeter offices, open bullpen, and a truly stunning conference room. Additionally, it includes a beautiful pantry equipped with a cooktop. Tenant controlled central AC system in place. The space benefits from lots of natural light, 11’ ceilings, and oversized windows. Direct elevator exposure with 24/7 access. Flexible sizing available with individual offices available for lease on this shared floor unit. This is a shared space. Perfect for any business looking for a beautiful loft space in the Flatiron District!

  • Fully Built-Out as Standard Office
  • 7 Private Offices
  • 7 Workstations
  • Space is in Excellent Condition
  • Reception Area
  • Elevator Access
  • High Ceilings
  • Natural Light
  • Hardwood Floors
  • Open Floor Plan Layout
  • 1 Conference Room
  • Finished Ceilings: 11’ - 11’2”
  • Central Air Conditioning
  • Wi-Fi Connectivity
  • Private Restrooms
  • Exposed Ceiling
  • After Hours HVAC Available
Space Size Term Rental Rate Space Use Condition Available
6th Floor 4,500 SF 1 Year $40.00 /SF/YR $3.33 /SF/MO $180,000 /YR $15,000 /MO Office Full Build-Out February 01, 2026
9th Floor, Ste 900 100-200 SF 1-2 Years Upon Request Upon Request Upon Request Upon Request Office Full Build-Out Now

6th Floor

Size
4,500 SF
Term
1 Year
Rental Rate
$40.00 /SF/YR $3.33 /SF/MO $180,000 /YR $15,000 /MO
Space Use
Office
Condition
Full Build-Out
Available
February 01, 2026

9th Floor, Ste 900

Size
100-200 SF
Term
1-2 Years
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Condition
Full Build-Out
Available
Now

6th Floor

Size 4,500 SF
Term 1 Year
Rental Rate $40.00 /SF/YR
Space Use Office
Condition Full Build-Out
Available February 01, 2026

Beautiful full floor loft office in Flatiron! Super sunny space with great natural light on the north and south sides. The space features wood floors, high ceilings, 6 private offices, 1 large conference room, wet pantry, and private restrooms. Tenants enjoy 24/7 access and an attended lobby. Seeking short term leases up to 1 year.

  • Listed rate may not include certain utilities, building services and property expenses
  • Fully Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • 6 Private Offices
  • 1 Conference Room
  • Finished Ceilings: 12’
  • Space is in Excellent Condition
  • Central Air Conditioning
  • Elevator Access
  • Private Restrooms
  • High Ceilings
  • Exposed Ceiling
  • Natural Light
  • Open-Plan
  • High Ceilings!

9th Floor, Ste 900

Size 100-200 SF
Term 1-2 Years
Rental Rate Upon Request
Space Use Office
Condition Full Build-Out
Available Now

This unit features 7 perimeter offices, open bullpen, and a truly stunning conference room. Additionally, it includes a beautiful pantry equipped with a cooktop. Tenant controlled central AC system in place. The space benefits from lots of natural light, 11’ ceilings, and oversized windows. Direct elevator exposure with 24/7 access. Flexible sizing available with individual offices available for lease on this shared floor unit. This is a shared space. Perfect for any business looking for a beautiful loft space in the Flatiron District!

  • Fully Built-Out as Standard Office
  • Open Floor Plan Layout
  • 7 Private Offices
  • 1 Conference Room
  • 7 Workstations
  • Finished Ceilings: 11’ - 11’2”
  • Space is in Excellent Condition
  • Central Air Conditioning
  • Reception Area
  • Wi-Fi Connectivity
  • Elevator Access
  • Private Restrooms
  • High Ceilings
  • Exposed Ceiling
  • Natural Light
  • After Hours HVAC Available
  • Hardwood Floors

ABOUT THE PROPERTY

Okada & Company is pleased to present 25 East 21st Street. Located in the highly coveted Flatiron District, 25 East 21st Street is an 11-story office building conveniently situated between Broadway and Park Avenue, and just steps away from the beautiful Madison Square Park! Proximity to public transportation and subway lines include 23rd Street 4, 6, R, W lines, and PATH Trains to New Jersey. The building's attended lobby has been recently renovated and tenants enjoy 24/7 access to their spaces. This boutique building has a range of full floor and partial floor options. Flexible terms for business looking for an office in a great location. Enjoy lots of natural light and views of the city through oversized windows in a beautiful Flatiron office. These spaces are perfect for any business looking for sunny loft office space in an unbeatable location!

PROPERTY FACTS

Total Space Available 4,700 SF
No. Units 11
Min. Divisible 100 SF
Property Type Multifamily
Property Subtype Apartment
Apartment Style Mid-Rise
Building Size 42,544 SF
Year Built/Renovated 1904/1983
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: 29108955

  • Date on Market: 1/9/2026

  • Last Updated:

  • Address: 25 E 21st St, New York, NY 10010

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