Office Space for Startups in Flatiron: The First Floor of Your Own
Office space for startups in Flatiron usually means a first private floor for a team of about 15 that has outgrown its coworking desks. At 175 square feet a person that team needs around 2,600 rentable square feet, somewhat more if offers are already out. In Flatiron that size is a partial floor or a small loft in a prewar building, sometimes furnished and sublet by a company that moved up. Nomad Property Group takes your brief, sends a shortlist, walks the floors with you and negotiates the lease. In most transactions the landlord pays the broker fee.
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Find my startup's first floorUpdated 2026-10-03 · Nomad Group
What a startup of 15 leases in Flatiron
Three kinds of space come up at this size.
- A partial floor in a boutique loft building, leased directly from the owner, with the landlord contributing to the buildout in exchange for a longer term.
- A sublease from a company that outgrew its floor. It is usually cheaper and quicker, the space is taken as it stands, and the term ends when the original lease does.
- A furnished or prebuilt suite, ready to occupy, often on a shorter commitment.
Which one fits depends on how sure you are of next year's headcount. A startup that may double usually pays a little more for the shorter term.
The headcount where a private floor overtakes coworking
A coworking desk in Manhattan is billed at roughly $800 to $1,400 every month. Under about 15 people those desks usually come to less than a floor of your own, past about 20 the private floor usually wins, and between the two it comes down to the particular deals. At 15 you are standing on the line, so the comparison is worth doing with real quotes.
The invoice is only one signal. Senior candidates asking about the office, standups held in phone booths and a headcount you can finally forecast are the others. When to leave coworking goes through each.
How Nomad runs a first-floor search, and the weeks it takes
Send three things: headcount, the date you need to be in, and a monthly budget. A broker reaches out within the hour during business hours, and a first shortlist can be ready within 24 hours. We walk three to five floors with you, usually in a single afternoon. A test fit on the finalists follows, then written proposals from the landlords, a letter of intent and the lease.
From first tour to desks, plan on six to eight weeks for a prebuilt floor and four to six months when the space needs a custom buildout. Keep the coworking membership running until move-in so the team is never without an address.
Four clauses a startup should read before its first lease
- The personal backstop. Most landlords ask a young company for a good guy guarantee; read how and when it ends.
- The sublet clause. Plans change, and consent that the landlord may withhold for any reason leaves you carrying a floor you cannot hand on.
- Escalations. Fixed annual increases of roughly 2.5 to 3 percent are usual. Question anything higher, because it compounds every year of the term.
- Restoration. The draft should say what condition the space is returned in.
Your attorney should confirm how each reads in your draft. Lease red flags lists the rest.
The floors below fit about 15 people
The live block on this page shows floors sized for a team of about 15, with each one's square footage and asking rent. It draws on our whole book, so Flatiron's floors appear with others in nearby districts. For the Flatiron ones alone, see Flatiron floors for about 10 people and for about 20, the two size bands a team of 15 sits between.
Floors that fit a team of 15
Live from our listings · 6 of the 8, smallest firstA team of 15 plans on about 2,625 square feet at 175 a person. 8 floors on our book sit in the range that fits, 2,625 to 4,725 square feet, asking $44 to $115 per square foot per year.
- Floors
- 8
- Sizes
- 2,937-4,109 sq ft
- Asking rent
- $44-$115 / sq ft
- 900 Broadway, Partial 9th Floor 2,940 sq ft $92/sq ft Flatiron about 17 people
- 115 West 30th Street, Partial 4th Floor 3,500 sq ft $55/sq ft Chelsea about 20 people
- 110 Greene Street, Partial 5th Floor 3,750 sq ft $95/sq ft SoHo about 21 people
- 54 West 21st Street, Partial 4th Floor 3,960 sq ft $72/sq ft Flatiron about 23 people
- 900 Broadway, Suite 202 4,000 sq ft $115/sq ft Flatiron about 23 people
- 1450 Broadway, Entire 40th Floor 4,109 sq ft $95/sq ft Bryant Park about 23 people
The full guide
This page is the short answer. The long one, with the numbers worked through, is here:
Related topics
- Flatiron District Office Space, Sized for a Company That Is Still Hiring
- Office Space for Rent in the Flatiron District: What It Costs and Why It Varies
- What the Flatiron District Is, for a Company Choosing an Office
- Dedicated Office Space in FiDi: A Floor of Your Own, Not Shared Desks
Can a startup lease a Flatiron floor for only a year or two?
Yes. Twelve months is possible on a private floor, though landlords more often write 24 or 36. Expect a higher rate per square foot on a short term, because the owner has less time to recover what it spends on the space. A sublease is the other short route, since it runs only as long as the original tenant's lease.
Furnished floor or our own buildout for a first office?
For most first offices, furnished. A floor that is already built can be yours two to four weeks after the lease is signed. Building your own typically takes 10 to 16 weeks and costs $50 to $150 a square foot in construction, part of which a landlord allowance can cover on a longer lease.
What should a startup ask a broker before its first office search?
What it would have you sign, and whether any cost could reach you. Practice varies: some tenant brokers want an exclusive for a set number of months, some begin on a brief alone, and a retainer is unusual on an ordinary office search because the fee normally comes from the landlord's side. Put the question to every firm, Nomad included. In most transactions the landlord pays the broker fee. On your search, we work for you. Nomad also offers agency leasing and owner representation. If a building we lease for an owner reaches your shortlist, we tell you, and going further needs the informed consent of both sides.
What if nothing in Flatiron fits a team of 15 this month?
Then the search widens by one avenue. NoMad to the north and Chelsea to the west have the same kind of loft floors and share most of the subway lines, and good Flatiron floors lease fast enough that waiting for one is a risk. We keep both neighbors on the shortlist from the start.
Talk to a broker
Want this answered for your team?
Tell us three things: team size, timing, budget. A first shortlist can be ready within 24 hours, with the asking rent on every floor that publishes one.
- Within the houra broker reaches out during business hours, no automated triage
- On your sidewe work for you on your search, and the landlord usually pays our fee
- Open pricingasking rent published for 46 of 49 floors, size and address for all
- 300+ officesdelivered in New York, 2M+ sq ft leased
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