- Year built
- 1902
- Type
- Condominium
- Units
- 38
- Floors
- 22
- Landmark status
- Individual landmark; in the Ladies' Mile Historic District
- NYC Landmarks Preservation Commission records, updated February 2026
Every recorded sale at this building, 2020–2026
Price-per-square-foot over time, the line- and floor-premium curves, and every recorded sale.
- Recorded sales
- 89
- On record
- 2020–2026
Own an apartment here? See what it would sell for.
A Private Pricing Opinion — what your apartment at The Flatiron Building would likely sell for today, what it costs to sell, and what you’d walk away with — reviewed personally against condition, exposures, renovation quality, and the competition actually on the market.
The Flatiron Building is the highest-yield Manhattan adaptive-reuse story of 2026 — Daniel Burnham's 1902 Beaux-Arts skyscraper currently undergoing residential condominium conversion.
The case for it starts with the Burnham / Beaux-Arts architectural pedigree — "one of NYC's most iconic Beaux-Arts skyscrapers," carrying NYC Landmark (1966) and National Historic Landmark (1989) designations. Inside, the William Sofield interior design "draws inspiration from materials uncovered during the restoration — historic railings, original ironwork, and marble mosaics — while integrating modern luxury finishes." Most decisive of all is the tapering site geometry, which yields "dramatically elongated great rooms, angled sightlines, and a spatial experience that simply cannot be replicated in a conventional tower."
Recent transactional context: Nine of the 38 apartments were in contract as of early 2026 per public reporting, and the full-floor residence on Floor 21 went into contract in April 2026.
Architecture and building operations
Two-residence floors mean most units span the full footprint of either the north or south wedge. Most floors house two residences (north-facing and south-facing) with the building's tapering geometry guiding each unit's layout.
Operations: "State-of-the-art wellness center" with "oversized fitness center and dedicated areas for private training"; a sports simulator and lounge; a 60-foot lap pool; and a cold plunge with adjacent sauna for thermal contrast therapy (citing offering plan). 24-hour staffing standard for ultra-luxury condo.
Policy framework
- Type: Sponsor-sale condominium
- Pets: Permitted
- Pied-à-terre: Permitted
- Subletting: Permitted
- Financing: Standard condominium LTV (min 20% typical)
- Flip tax: None (sponsor initially)
- LLC/trust/foreign buyers: All permitted
- Right of first refusal: Procedural only
Building staffing and amenities
- Elevator
- YesSource: NYC Department of Buildings elevator records
- Amenities noted
- Fitness room, pool, spa, residents' loungeSource: The Roebling Team's building profile
Staffing and amenities as our building profile and recent listing records describe them. A feature not listed is not confirmed absent.
Local Law 97
- 2024–2029 annual penalty
- $0 (under cap)
- 2030–2034 annual penalty
- $0 (under cap)
- Per unit / month range
- —
Source: NYC LL84 benchmarking and PLUTO · The Roebling Research Library. City record last verified September 2026.
See full Local Law 97 analysis — emissions history, scenarios, methodology →Facade safety — Local Law 11
The latest available filing classified the facade as Unsafe — conditions requiring corrective action, which under FISP means a protective sidewalk shed and repairs. Review the subsequent filings, the repair status, and the building’s board and financial materials — we pull the repair scope and funding picture for you.
How to read this, and where it comes from
QEWI = Qualified Exterior Wall Inspector — the licensed engineer the city requires to sign the report (the independent expert, not the managing agent).
Source: NYC DOB facade filings (FISP) · The Roebling Research Library. City record last verified September 2026.
Recent sales
The retrade record
Lines that have traded more than once in the public record — the building’s appreciation arc, apartment by apartment.
Recent closings at this building, sourced from NYC Department of Finance records. Apartment-level detail (line, condition, asking-price context) verified upon consultation request.
| Date | Unit | Price |
|---|---|---|
| Apr 7, 2026 | PH-N | $4,250,000 |
| Dec 8, 2025 | 4 | $2,800,000 |
| Nov 25, 2025 | 3-F | $999,000 |
| Nov 14, 2025 | 32B | $3,900,000 |
| Oct 20, 2025 | 19-D | $2,307,500 |
| Oct 22, 2025 | 16T | $1,120,000 |
Full closing history with price-per-square-foot over time, the complete retrade record, and every line that has traded.
Sales sourced from NYC Department of Finance recorded transfers (BBL 1-00851-0001). Apartment-level facts (line, condition, asking-price context) curated and cross-verified in The Roebling Research Library. Not all transactions cross-verify with ACRIS records — sponsor and LLC purchases sometimes record at stipulated values rather than market price.
What would your apartment rent for?
Enter your apartment and I'll send you what it would rent for, from comparable closed leases at The Flatiron Building and nearby.
At the recent median sale of $2M (24 sales since 2024), a buyer putting 25% down would pay about $80,462 to close, or 4.0% of the price.
- Mansion tax: $19,950
- Mortgage recording tax: $28,803
- Title insurance: $8,978
- Attorneys, lender, building fees, reserves and filings: $22,732
Assumes a resale (the seller pays transfer taxes), a $4,500 attorney fee and a mortgage on the rest.
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What to know if you’re buying
The Daniel Burnham architectural pedigree is real institutional context. NYC Landmark (1966) + National Historic Landmark (1989).
The William Sofield interior design produces premium institutional register.
The tapering site geometry produces structurally distinct unit configurations.
The 60-foot lap pool, cold plunge, sauna, and sports simulator anchor the wellness amenity infrastructure.
The 38-unit configuration with two residences per floor (north / south wedge) is structurally distinguishing.
The Brodsky / Sorgente / GFP sponsor consortium is real institutional context.
Comparable buildings
- One Madison (23 East 22nd Street) — CetraRuddy 2013; immediate Flatiron trophy peer
- The Whitman (21 East 26th Street) — Mitchell 2013; nearby NoMad peer
- 15 Union Square West — Kellum / Chen 2008; nearby Union Square peer
- 34 Gramercy Park East — DaCunha 1883; nearby Gramercy trophy peer
- 50 Gramercy Park North — Lyons / Schrager 2004; nearby Gramercy trophy peer
Sources: The Roebling Research Library (offering plans, house rules, financial statements, board minutes, internal transaction records); NYC Department of Finance recorded transfers; publicly recorded NYC building data.
More Flatiron buildings
- 129 Fifth Avenue — 1905 co-op
- 140 Fifth Avenue — 1899 co-op
- 141 Fifth Avenue (Merchants Bank Building) — 1897 condominium by CetraRuddy Architects
- 222 Park Avenue South — 1910 co-op
- 240 Park Avenue South — 2007 condominium by Gwathmey Siegel & Associates
- 254 Park Avenue South — 1913 condominium
The neighborhood
For the full corridor — architecture, transit, and pricing across Flatiron — read The Roebling Team Guide to Flatiron.
How to read the facts on this page. Items attributed to an offering plan describe the building as it was offered at that filing — unit mix, square footage, the amenity program as planned. They are not a statement about how the building operates today. Tax and compliance figures are sourced separately to current City records and carry their own dates. House rules, staffing and fee policy can change by board resolution without any public filing: treat every policy line here as a starting point for diligence and confirm it with the managing agent. Where this page compares one building or neighborhood to another, that is our analysis of the recorded record — it names the measure, the period and the sample it rests on, and it is an observation about medians rather than a prediction about any particular apartment.
Considering a move at The Flatiron Building?
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646.939.7375 · c.cohen@compass.com