Flatiron District, Manhattan, NY Office Spaces for Rent

Find the best Flatiron District, Manhattan, NY office space among 70 for rent listings currently on the market.

18 West 21st Street

18 West 21st Street, Flatiron District, New York, NY
Space Type

Office
For Lease Contact for pricing

1 space available / 5,150 SF
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123 5th Ave

123 5th Ave, Flatiron District, New York, NY
Space Type

Office
For Lease Contact for pricing
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31 E 17th St

31 E 17th St, Flatiron District, New York, NY
Space Type

Office
For Lease Contact for pricing

3 spaces available / 5,000 SF
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30 E 23rd St

30 E 23rd St, Flatiron District, New York, NY
Space Type

Office
For Lease Contact for pricing

1 space available / 3,000 SF
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30 East 23rd Street

30 East 23rd Street, Flatiron District, New York, NY
Space Type

Office
For Lease Contact for pricing

1 space available / 3,000 SF
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53-55 West 21st Street

55 West 21st Street, Flatiron District, New York, NY
Space Type

Office
For Lease Contact for pricing

1 space available / 5,000 SF
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29 W 17th St

29 W 17th St, Flatiron District, New York, NY
Space Type

Office
For Lease Contact for pricing

1 space available / 2,500 SF
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22 West 23rd Street

22 W 23rd St, Flatiron District, New York, NY
Space Type

Office
For Lease Contact for pricing

1 space available / 3,490 SF
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841 Broadway | Roosevelt Building

841 Broadway, Flatiron District, New York, NY
Space Type

Office
For Lease Contact for pricing

1 space available / 13,777 SF
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Flatiron District, Manhattan, NY Office Space for Rent

Office inventory

According to our listing data, Manhattan's office market contains 13M square feet of space as of 2026.

Manhattan Office Market Breakdown by Building Size
Building Size Range	Total Square Feet
50k to 100k Sq. Ft.	1.8M Sq. Ft.
100k to 500k Sq. Ft.	8.6M Sq. Ft.
500k to 1M Sq. Ft.	1.9M Sq. Ft.

Data was provided by Yardi Research Data, refers to properties larger than 50,000 square feet.

Properties sized 100k to 500k Sq. Ft. make up most of the local office inventory, amounting to 8.6M square feet.

Average Rent for Office Spaces

The average rent for office space in Manhattan is $75 per square foot. However, you can find rental rates as low as $58 per square foot here, depending on what compromises you are willing to make. If you are looking for office space priced at a certain value, you can use the filters at the top of the page to look for properties within your optimal range.

The maximum rental rate is $85 per square foot among local listings currently available for lease.

Office Spaces Classes

The office space market in Manhattan incorporates a mix of properties of various ages, ratings, construction grades, and other quality indicators. 12.8% of total office listings in this city are in properties rated Class A. Class B accounts for 83.35% of traditional work spaces listed on the leasing market. Class C makes up 3.85% of such listings in Manhattan. This data is current as of 2026.

Manhattan Office Market Breakdown by Building Class
Class	Total Square Feet	Share of Total Office
A	1.7M	12.8%
B	10.8M	83.35%
C	500.6K	3.85%

Data was provided by Yardi Research Data, refers to properties larger than 50,000 square feet.

The most common factor that influences the cost of renting space for your business in any location is the property class rating. Class B space in Manhattan costs $78.11 per square foot, on average.

Flatiron District, Manhattan, NY Office Spaces for Rent

18 West 21st Street

123 5th Ave

31 E 17th St

30 E 23rd St

30 East 23rd Street

53-55 West 21st Street

29 W 17th St

22 West 23rd Street

841 Broadway | Roosevelt Building

Flatiron District, Manhattan, NY Office Space for Rent

Office inventory

Average Rent for Office Spaces

Office Spaces Classes

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