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Open House
Thu, Oct 29 · 4:30PM–6:30PM
Open House
Thu, Oct 29 · 4:30PM–6:30PM
$8,995,000
MLS# RLS20120659 · Flatiron
Listed October 13, 2026 · 15 days on the market
3 Beds 4 Baths 3,101 Sq.Ft.
The Penthouse at 323 Park Avenue South is a singular opportunity to own a full-floor condo with an exceptional private rooftop terrace. This floor offers approximately 3,101 sq ft of interior living space with an additional 747 sq ft of furnished, corner outdoor space including a hot tub and gas grill.From a doorman lobby, a secure coded elevator takes one up to their private landing. A gracious gallery leads to an open concept, corner living and dining room with South and West exposures. A gas fireplace, wet bar, and powder room enhance this entertaining space. Hardwood floors and power operated shades are featured throughout the apartment.The kitchen includes a Sub-Zero fridge and wine cooler, a Wolf oven, a Viking stove with pot-filler, integrated microwave, a Bosch dishwasher, and a Miele espresso machine. The kitchen has an adjacent combination pantry and laundry room, with washer/dryer and extensive storage.All 3 bedrooms have en-suite bathrooms impeccably designed with heated floors, marble walls, and stainless-steel cabinetry. The primary bathroom has a large, jetted tub and steam shower . The primary bedroom includes a dressing area and walk-in-closet.Designed by Gwathmey and Siegel architects, 323 Park Avenue South is located a block away from beautifully landscaped Madison Square Park and a few minutes from Gramercy Park.Some images have been virtually staged.

Curtis Bain
Brown Harris Stevens
Services and facilities
Estimate
The rate is a placeholder, not a quote. Enter the one your lender gives you.
$52,977 / month
Not included: attorney, title insurance, lender and appraisal fees, board application and move-in fees, flip tax and prepaid items. Estimates only, based on the published New York State rates. Your attorney and lender will confirm the real figures.
Gallery
Listing Courtesy of Douglas Elliman Real Estate
This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2026 The Real Estate Board of New York, Inc., All rights reserved.
$9,495,000
60 W 20TH Street SKYGARDEN, Flatiron
3 Beds 3 Baths
Listing Courtesy of Corcoran Group
$9,495,000
60 W 20th Street SKYGARDEN, Flatiron
3 Beds 3 Baths
Listing Courtesy of Compass
$10,000,000
32 E 22nd Street PH, Flatiron
3 Beds 4 Baths 3,683 Sq.Ft.$2,715/sq ft
Listing Courtesy of Cote Luxury Real Estate
323 Park Avenue S is a 10-story condominium in Flatiron, completed in 2013 and home to 14 residential units.
The closest subway is 23 St-Baruch College (6), about a 2-minute walk. Madison Square Park is roughly 3 minutes away on foot.
Compiled from NYC public records and open data.
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323 PARK Avenue S PENTHOUSE
Walking times are estimates. Schools shown are the nearest public and charter schools and are not zone assignments; a nearby school is not necessarily the one an address is zoned for. Confirm zoning with the NYC Department of Education. Sources: MTA, NYC Parks and NYC Department of City Planning open data.
The Neighborhood
Historic loft architecture meets modern luxury in one of Manhattan's most vibrant and sought-after neighborhoods.
Walkability
10/10
Public transit
10/10
Schools
7/10
Dining
10/10
Groceries & parks
8/10