Flatiron has drawn growing companies for decades. Its buildings, location and transit suit teams that have outgrown coworking but don’t want a tower, and its streets are full of the restaurants, gyms and shops that make an office easy to come back to.
Where Flatiron is
In practical terms, Flatiron runs from around 14th Street and Union Square up to Madison Square Park at 23rd Street, between Sixth Avenue and Park Avenue South. Its edges blur into Chelsea to the west, Gramercy to the east and NoMad to the north, and many office searches treat Flatiron, Union Square and NoMad as one area. Brokerage research usually reports it within Midtown South.
Broadway and Fifth Avenue form the spine of the office district, with many of the largest loft buildings between them. Union Square anchors the south end and Madison Square Park the north.
What the buildings are like
Most Flatiron office buildings are prewar loft and commercial buildings, many dating from the late 1800s and early 1900s, that have been modernized inside. Typical features include high ceilings, large windows, exposed columns and wood or concrete floors. A smaller number of postwar and newer buildings offer more conventional office floors.
Floors are generally mid-sized by Manhattan standards, which is part of why the neighborhood suits growing companies: a full floor is achievable for a team that would be one of many tenants in a tower. Full floors on Nomad’s current list in the neighborhood run from roughly 15,000 to 19,500 rentable square feet, and many buildings offer smaller partial floors.
| Prewar loft buildings | Postwar / modern buildings | |
|---|---|---|
| Character | High ceilings, big windows, exposed structure | More conventional office finishes |
| Floorplates | Mid-sized; columns affect layouts | Often more regular |
| Systems | Varies widely by building and floor; ask about HVAC and electrical capacity | Generally more consistent |
| Elevators and lobbies | Varies; some have been significantly upgraded | Typically larger |
| Best for | Teams that want character and a full-floor identity | Teams that want a more corporate setting |
General characterization. Individual buildings differ.
Getting there
- 14th Street–Union Square: 4, 5, 6, L, N, Q, R and W trains.
- 23rd Street: R and W at Broadway, F and M at Sixth Avenue, and the 6 at Park Avenue South.
- 28th Street: R and W at Broadway, and the 6 at Park Avenue South.
- PATH: stations at 14th and 23rd Streets on Sixth Avenue.
For a team that lives across Manhattan, Brooklyn, Queens and New Jersey, Flatiron is one of the easier places in the city to reach.
Who works here
Flatiron has a long association with technology, media, design, fashion and consumer brands, alongside professional services firms and agencies. The concentration matters: candidates, clients and investors are nearby, and the neighborhood signals a certain kind of company. For why larger tech teams also choose it, see why tech teams are choosing Flatiron over trophy towers.
Amenities
Restaurants, coffee, gyms and retail are dense throughout the neighborhood, and the Union Square Greenmarket, Madison Square Park and the shops along Fifth Avenue and Broadway are within walking distance. Few buildings have the amenity floors of a new tower; most of the amenities are on the street.
How it compares on price
Flatiron is rarely the cheapest option in Midtown South, and good built space here is in demand. In Nomad’s Q2 2026 Manhattan Office Market Report, Midtown South overall showed 17.1% availability, but turnkey spaces between about 5,000 and 15,000 square feet in Flatiron and NoMad were the tightest product we saw in live searches. NoMad and parts of Midtown can offer more space for the money; Flatiron’s premium is location, building character and transit. See the latest market report for current figures.
Can growing teams find full floors here?
Yes, though timing matters. Full floors in loft buildings suit teams from a few dozen to a couple of hundred people, and prebuilt and second-generation floors come up regularly. The best of them tend to lease quickly, so it helps to have the brief, budget and approvals in place before they reach the market. See what to decide before you start touring.
Current examples from Nomad’s properties
- 111 Fifth Avenue, entire 7th floor: about 19,500 RSF, built and furnished, in a 1905 loft building at East 18th Street.
- 71 Fifth Avenue, entire 5th floor: about 15,200 RSF of second-generation space built for roughly 130 workstations, at East 15th Street.
- Buildings Nomad represents in Flatiron include 900 Broadway, 119 Fifth Avenue and 30 West 21st Street. See Buildings We Represent.
Availability changes; ask for the current market.