By Paul Martinez·12-year Flatiron resident·Last updated April 20, 2026
175 Fifth Avenue · Flatiron · Condo · Built 1902 · 38 units · 22 stories · Daniel Burnham (original, 1902); SLCE Architects (conversion); Studio Sofield (interiors)
NYC LandmarkCondoBuilt 1902Pets allowedFull-time
74
MF Score
Flatiron Building condos — 38 residences inside Manhattan's most recognized silhouette, now being transformed for the first time in 124 years from icon to home.
The Flatiron Building condos represent the most audacious residential conversion in New York City history — and that is exactly what makes them impossible to evaluate like a normal real estate purchase. You are not buying square footage. You are buying mythology.
The triangular blade at the intersection of Fifth Avenue and Broadway has been photographed more times than any other building in Manhattan, appeared in more films than most actors, and defined a neighborhood's identity for over a century. Now, for the first time, 38 families will wake up inside it. That is genuinely extraordinary.
But here is what the marketing materials will not tell you: the investment thesis for the Flatiron Building condos is prestige, not yield. With no comparable sales history, no resale market to reference, and prices averaging over $4,000 per square foot in a building that has never been residential, you are underwriting a one-of-a-kind bet on the power of an address.
Floor 21 is in contract at $58.5 million — the most expensive downtown contract of 2026. Nine of 38 units are already spoken for, mostly off-market, by buyers who understand exactly what they are doing. These are trophy buyers, not yield buyers. If that is you, there is nothing else like this. If you need liquidity, comparables, or certainty of exit, this is not your building.
The renovation is extensive and meticulous — 1,000+ windows replaced, thousands of terra-cotta fixtures hand-restored, the first nighttime illumination in the building's history. Studio Sofield's interiors draw on original ironwork, marble mosaics, and historic railings to create something that feels genuinely of the building rather than imposed on it.
Completion is targeted for fall 2026 on a rolling basis — factor construction delay risk into your timeline. No board approval. No residency requirements. Cash, LLC, foreign, and pied-à-terre buyers all welcome. The scarcity is real: 38 units, a landmark that can never be replicated, and a sellout target above $375 million. When it is gone, it is gone.
Pros and cons
Pros
+ The most recognized building silhouette in Manhattan — irreplaceable address and mythology
+ NYC Landmark since 1966 — exterior cannot be altered, protecting the building's iconic character permanently
+ No board approval — cash, LLC, foreign, and pied-à-terre buyers face zero obstacles
Approx. low end — varies by unit. Use the calculator below to add your mortgage.
~$8,000/mo
Common charges and tax figures shown are sourced from current active listings and vary by unit size and floor. Verify all figures with building management, the offering plan, and your attorney before closing. MeetFlatiron makes no representations as to the accuracy of financial figures shown.
Payment calculator
Purchase price$10,950,000
Down payment20%
Interest rate6.75%
Principal and interest—
Common charges (enter your unit's figure)$/mo
Property taxes (enter your unit's figure)$/mo
Total monthly—
For illustrative purposes only. Common charges and taxes vary by unit — verify exact figures with building management. Actual mortgage rates vary by lender. Consult your lender for accurate rates and terms.
Red flag —
This is a pre-delivery purchase in a building undergoing a complex, first-of-its-kind conversion. Completion is targeted for fall 2026 on a rolling basis — construction delays are common in projects of this complexity, and buyers should factor timeline uncertainty into their plans.
There is no sales history at 175 Fifth Avenue to anchor comparable analysis — you are pricing an address that has never been residential. Common charges and taxes are estimates only until the building is operational; verify all figures in the offering plan (CD24-0377) with your attorney.
The building's triangular floor plates create unique but compact spaces at lower floors — particularly at the building's narrow southern tip. Lower floor units face significant noise from the Fifth Avenue/Broadway/23rd Street intersection.
Storage and wine cellars are priced separately and availability is limited. No parking. The penthouse has not yet been priced, and its eventual sale will be the definitive test of where this market clears.
What agents won't tell you
Board dynamics
The Flatiron Building is a condominium with no board approval process. As a new development with sponsor sales, buyers do not submit financial packages, sit for interviews, or risk rejection.
The standard condo right of first refusal applies but is almost never exercised by developers at this price point. Cash buyers, foreign nationals, LLC purchasers, pied-à-terre buyers, and investors face no structural obstacles.
The Brodsky Organization has a strong track record managing prestigious NYC properties — expect professional, well-resourced building management from day one.
What it's actually like to live here
Living in the Flatiron Building will be a genuinely different experience depending on which floor and exposure you choose. The building's triangular geometry creates floor plans unlike anything else in Manhattan — great rooms measuring up to 63 feet by 26 feet, with window lines that face multiple directions simultaneously.
Studio Sofield's interiors integrate exposed steel, original ironwork, and marble mosaics that make each unit feel like a piece of the building's history rather than a generic luxury apartment. No two units are identical — the triangular floor plates ensure that every residence has its own personality.
Lower floors (2–6) will experience the noise and energy of one of Manhattan's busiest intersections — Fifth Avenue and Broadway at 23rd Street is not a quiet corner. New triple-pane windows will mitigate this significantly, but buyers should visit their specific unit during weekday peak hours before closing.
Above floor 10, the building's height provides genuine insulation from street noise, and the views expand dramatically — simultaneous sightlines to Madison Square Park, the Empire State Building, the Hudson River, and on clear days, significantly beyond.
The building delivers on a rolling basis through fall 2026 — early buyers may experience some construction activity during the first months of occupancy. The amenity suite on the lower levels is comprehensive: 60-foot lap pool, sauna, cold plunge, fitness center, sports simulator, billiards, piano lounge.
This is not a building for buyers who want to blend in. It is a building for buyers who want to live inside a symbol.
Services and amenities
Full-time
Concierge
Elevator
Gym
Swimming pool
Bike room
Storage space
Live-in super
Hardwood floors
Central air
Washer/dryer in unit
Dishwasher
Pets allowed
No Roof deck
No Parking
Pet policy: Pets permitted — verify specific breed and weight restrictions with sponsor before closing.
Amenity information sourced from building listings and public records. Amenities are subject to change — verify current offerings with building management before closing.
Transit
23rd St (Broadway)
NRW
~1 block
23rd St (Park Ave South)
6
~2 blocks
28th St (Broadway)
NRW
~3 blocks
23rd St (6th Ave)
FM
~3 blocks
28th St (Park Ave South)
6
~4 blocks
Walk Score 99Transit Score 100Bike Score 91Source: Walk Score
Commute times from this building
Destination
🚶 Walk
🚇 Subway
Lines
Madison Square Park (23rd & Fifth Ave)
1 min
N/A
Walk only
Midtown (47th & Park Ave)
35 min
9 min
6 to Grand Central-42 St
Hudson Yards (30th & 10th Ave)
30 min
22 min
Walk or N/R/W + walk
World Trade Center (Fulton St)
58 min
18 min
N/R/W + A/C/E or 6 + 4/5
Times Square (42nd & Broadway)
28 min
8 min
N/R/W to Times Sq-42 St
Grand Central (42nd & Park Ave)
26 min
9 min
6 to Grand Central-42 St
Door-to-door estimates via Google Maps transit directions. Times reflect typical weekday conditions.Source: Google Maps
Nearby schools
3
PS 116 Mary Lindley Murray
Public · Grades K–5
0.4 mi
8
IS 104 Simon Baruch
Public · Grades 6–8
0.5 mi
9
NYC Lab School
Public · Grades 6–12
0.8 mi
Nearby colleges: Baruch College (0.4 mi), Parsons/The New School (0.5 mi), FIT (0.5 mi), SVA (0.7 mi), NYU (0.8 mi)
School ratings sourced from GreatSchools and are subject to change. School zone boundaries are not guaranteed — verify current zoning directly with NYC DOE at myschools.nyc before purchasing.
Noise Level
Loud
Overall noise level
78/100 noise score
Primary source: Fifth Avenue, Broadway, and 23rd Street traffic convergence — one of Manhattan's busiest intersections. HowLoud rates the address as Loud. New triple-pane windows throughout the building will significantly mitigate street noise. Lower floors (2–6) will experience more ambient noise than upper floors.
175 Fifth Avenue sits at one of the most visible intersections in Manhattan — the convergence of Fifth Avenue, Broadway, and 23rd Street. The 13th Precinct covers this area and it is among the safest in the city. Madison Square Park is heavily patrolled and foot traffic is constant day and night from park visitors, Eataly shoppers, and hotel guests. The building's full-time attended lobby adds an additional security layer.
🚗
Parking
The Flatiron Building has no parking. The nearest reliable monthly garages are on 23rd and 24th Streets west of Fifth Avenue — budget $550–$700/month. The building's location at a major intersection makes street parking essentially impossible. If a car is important to your lifestyle, factor garage costs in from day one.
📦
Storage
Private storage units and wine cellars are available for purchase separately from your residence — these are not included in the base price. Given only 38 total units, storage availability is limited. Ask Corcoran Sunshine about storage pricing and availability before signing your purchase agreement.
🛒
Grocery and daily errands
Eataly at 200 Fifth Avenue is literally next door — excellent for prepared foods, cheese, wine, and specialty items, but expensive and impractical as a weekly supermarket. Whole Foods on 24th Street is an 8-minute walk and handles full grocery runs. Trader Joe's on 21st Street (12 minutes) is the best value option. Delis and bodegas on 23rd Street are open late for basics.
🔊
Noise and street life
The Flatiron Building sits at one of the loudest intersections in the Flatiron District — the convergence of Fifth Avenue and Broadway at 23rd Street generates significant traffic noise at street level. Lower floors (2–6) will experience meaningful ambient noise. Above the 10th floor the triangular geometry and new triple-pane windows significantly reduce street sound. Visit your specific unit at a weekday morning peak hour before closing.
🚇
Getting around
Transit access from 175 Fifth Avenue is exceptional. The N/R/W at 23rd Street on Broadway is one block away — Times Square in 8 minutes, Penn Station in 12. The 6 train at 23rd Street on Park Avenue South gives you Grand Central in 9 minutes. The F/M at 23rd and Sixth is a 3-block walk. For cyclists, Citi Bike docks are positioned around Madison Square Park. The building's central location means most of Manhattan is under 20 minutes by subway.
Active renovation permits for office-to-residential conversion. Work includes window replacement (1,000+ units), terra-cotta restoration, structural interior renovation, and MEP upgrades. All exterior work approved by NYC Landmarks Preservation Commission. Source: NYC DOB BIS.
Last DOB inspection: 2026-04-18 — Active construction — conversion in progress. No violations. All permits current.
Climate & Flood Risk
Minimal
Flood Risk Level
Zone X — Minimal Flood Risk
FEMA Flood Map Designation
175 Fifth Avenue is designated FEMA Zone X — minimal flood risk. The building is not located in any tidal wetlands, freshwater wetlands, coastal erosion hazard area, or special flood hazard area. No special flood insurance is required for conventional financing. NYC DOB and FEMA records confirm minimal climate risk at this address.
Source: FEMA Flood Map Service Center (msc.fema.gov)
What to ask before buying
1.What is the exact delivery timeline for my specific unit, and what remedies do I have if the building is not delivered by the scheduled date?
2.What are the precise common charges and monthly taxes for my unit — and how were the estimates in the offering plan calculated?
3.What is the pricing and availability of storage units and wine cellars — and is there a waitlist?
4.What construction activity will still be ongoing when the first units are delivered, and how will residents be affected?
5.What is the building's reserve fund structure as a new development — how are reserves being capitalized from sponsor sales?
6.For lower-floor units: can I visit the specific unit during weekday morning peak hours (7–9am) to assess actual noise levels from the Fifth Avenue/Broadway intersection before signing?
7.What are the rules governing short-term rentals, pied-à-terre use, and subletting once the building transitions from sponsor to resident control?
The Flatiron Building condos defy conventional investment analysis — and buyers should understand that clearly before proceeding. There are no comparable closed sales at 175 Fifth Avenue to anchor a price-per-square-foot analysis.
At $4,039/sqft average, the Flatiron is priced at a meaningful premium to the surrounding Flatiron/NoMad market (typically $2,500–$3,200/sqft for luxury condos). That premium is entirely predicated on the building's singular status. Floor 21 at $58.5M ($7,900/sqft) is the clearest signal of where the top of the market is pricing the address.
Common charges are estimated in the $4,500–$12,000/month range depending on unit size — exact figures should be confirmed in the offering plan (CD24-0377). Taxes are estimated at $3,500–$9,000/month. No tax abatement applies.
With 9 of 38 units in contract as of April 2026 and a projected sellout above $375M, the developers are on track. The penthouse — approximately 4,600 sqft with 6,500 sqft of outdoor space — has not yet been priced, and when released will almost certainly set a downtown record.
For buyers who need a definitive investment thesis: this is a prestige purchase. Resale liquidity will be limited by the building's boutique size — 38 units means minimal annual trading volume. If your horizon is 10+ years and you value the irreplaceable above the predictable, the Flatiron Building condos make a coherent case. If you need a 3–5 year flip or measurable yield, look elsewhere.
Past appreciation is not a guarantee of future performance. Real estate values fluctuate. All investment decisions should be made with independent financial and legal advice.
Building history timeline
1901–1902
Construction of the Fuller Building
George A. Fuller Company commissions Daniel Burnham to design a 22-story steel-frame tower on a triangular lot at the intersection of Fifth Avenue and Broadway. Completed in 1902, it becomes one of the tallest buildings in the world and one of only two skyscrapers north of 14th Street. Immediately nicknamed 'Flatiron' for its resemblance to a cast-iron clothes iron.
1966
New York City Landmark Designation
The New York City Landmarks Preservation Commission designates the Flatiron Building as an official NYC landmark, permanently protecting its iconic Beaux-Arts exterior from alteration.
2019
Macmillan Publishers Departs
Macmillan Publishers — the building's anchor tenant for nearly 60 years — relocates to 120 Broadway, leaving 175 Fifth Avenue largely vacant for the first time in decades.
2023
Auction and Acquisition
After years of ownership disputes, the building is sold at auction for $160 million to a joint venture of GFP Real Estate, Sorgente Group, ABS Partners, and Nathan Silverstein. The Brodsky Organization subsequently acquires a stake and takes on the managing partner role.
2024
$357M Renovation Loan
Tyko Capital provides a $357 million construction and renovation loan in October 2024, funding the most ambitious office-to-residential conversion in downtown Manhattan history. Offering plan (CD24-0377) accepted by the NY Attorney General.
2025
Sales Launch and LPC Approval
Sales quietly launch in fall 2025 led by Corcoran Sunshine. The NYC Landmarks Preservation Commission approves the building's first-ever nighttime LED illumination in August 2025, designed by L'Observatoire International. Initial pricing confirmed: $10.95M to $50M, with units going into contract — many off-market.
2026
Contracts Accelerate — Floor 21 at $58.5M
By April 2026, 9 of 38 units are in contract. The full-floor 21st floor residence — 7,408 sqft, 5BR — enters contract at $58.5 million, the most expensive downtown contract of the year. Floor 7 (full-floor) contracts at $30.5M. Delivery targeted for fall 2026 on a rolling basis.
Are the Flatiron Building condos available to buy now?
Yes — sales are underway as of fall 2025, led by Corcoran Sunshine. As of April 2026, 9 of 38 units are in contract, with many having sold off-market. Two four-bedroom units are publicly listed: Apt 11 South at $16 million and Apt 6 North at $18.9 million. The penthouse has not yet been publicly priced. Contact Corcoran Sunshine directly for current availability.
When will the Flatiron Building condos be ready to move in?
The conversion and restoration is targeted for completion in fall 2026, with residences delivering on a rolling basis. Buyers should factor potential construction delays into their planning — complex landmark conversions of this scale frequently encounter timeline adjustments. Your purchase agreement should specify delivery obligations and remedies.
Is the Flatiron Building a condo or co-op?
The Flatiron Building is being converted to condominiums. There is no board approval process, no financial package submission, and no interview. Cash buyers, foreign nationals, LLC purchasers, pied-à-terre buyers, and investors face no structural obstacles. This is a standard new development condo purchase with sponsor sales.
Who is developing the Flatiron Building condos?
The development team is led by The Brodsky Organization as managing partner, alongside GFP Real Estate and The Sorgente Group. The joint venture acquired the building at a 2023 auction for approximately $160 million and secured a $357 million renovation loan from Tyko Capital in October 2024. Sales and marketing are led by Corcoran Sunshine Marketing Group.
What are the prices at the Flatiron Building condos?
Prices in the offering plan (CD24-0377) range from $10.95 million for a three-bedroom to $50 million for the five-bedroom full-floor 21st floor residence. That full-floor unit is now in contract at $58.5 million. A full-floor unit on the 7th floor is in contract at $30.5 million. The penthouse has not yet been publicly priced. Average price per square foot is approximately $4,039.
What amenities does the Flatiron Building have?
The amenity suite at 175 Fifth Avenue includes a 60-foot indoor lap pool, sauna and cold plunge, fitness center, sports simulator, billiards room and piano lounge, private dining with kitchenette, attended lobby, package room, and a lounge. Private storage units and wine cellars are available for purchase separately. There is no roof deck (landmark restrictions) and no building parking.
Is the Flatiron Building a good investment?
The Flatiron Building condos are a prestige purchase, not a yield investment. With no comparable sales history in the building, no resale market to reference, and prices averaging over $4,000 per square foot, buyers are underwriting the power of a singular address — not a data-driven return. The building's landmark status, irreplaceable silhouette, and 38-unit boutique scale support long-term prestige value, but resale liquidity will always be constrained by thin annual trading volume. Buyers should have a long investment horizon and independent financial and legal advice before proceeding.
About the author
Paul Martinez has lived in the Flatiron District for 12 years.
He founded MeetFlatiron in 2024 to publish independent, public-records-backed
reviews of every notable building, landmark, and business in the neighborhood.
MeetFlatiron operates without paid partnerships, undisclosed sponsorships, or
commission-based reviews. Any future commercial relationships will be disclosed
clearly on each affected page.
