Milton Coste

28 Concierge Buildings in Flatiron

White-glove service with dedicated concierge staff in Flatiron, Manhattan

All NYC Flatiron
28 results
10 W 15TH Street #1822 For Sale 3D
WEI-HAO KAO at Corcoran Group
$625,000

Studio · 1 ba · Co-op

10 W 15TH Street #1822, New York City

MLS: RLS20077287 RLS at REBNY
280 Park Avenue #7M For Sale
John F Maher at The Maher Group LLC
$1,395,000

1 bd · 1 ba · 809 sqft · Condo

280 Park Avenue #7M, New York City

MLS: RLS20073306 RLS at REBNY
121 E 23rd Street #7D For Sale
Seth S Levin at Keller Williams NYC
$1,885,000

2 bd · 2 ba · 1,198 sqft · Condo

121 E 23rd Street #7D, New York City

MLS: RLS20077927 RLS at REBNY
35 W 15TH Street #11E For Sale
Tom Titone at Douglas Elliman Real Estate
$1,970,000

1 bd · 1 ba · 917 sqft · Condo

35 W 15TH Street #11E, New York City

MLS: RLS20077351 RLS at REBNY
121 E 23RD Street #4D For Sale 3D
Amanda Kahn at Corcoran Group
$1,750,000

2 bd · 2 ba · 1,198 sqft · Condo

121 E 23RD Street #4D, New York City

MLS: RLS20059782 RLS at REBNY
260 PARK Avenue #10I For Sale
Frances W Katzen at Douglas Elliman Real Estate
$2,395,000

2 bd · 2 ba · 1,328 sqft · Condo

260 PARK Avenue #10I, New York City

MLS: RLS20046865 RLS at REBNY
10 W 15th Street #1721 For Sale
Gregory D Mire at Compass
$975,000

1 bd · 1 ba · Co-op

10 W 15th Street #1721, New York City

MLS: RLS20069827 RLS at REBNY
260 PARK Avenue #5D For Sale
Frances W Katzen at Douglas Elliman Real Estate
$2,950,000

2 bd · 3 ba · 1,819 sqft · Condo

260 PARK Avenue #5D, New York City

MLS: RLS20066756 RLS at REBNY
10 W 15th Street #414 For Sale 3D
Laurie A Karpowich at Compass
$1,385,000

2 bd · 2 ba · Co-op

10 W 15th Street #414, New York City

MLS: RLS20032357 RLS at REBNY
10 W 15TH Street #723 For Sale
Madeleine Kathryn Auffenberg at The Agency Brokerage
$849,000

1 bd · 1 ba · Co-op

10 W 15TH Street #723, New York City

MLS: RLS20077503 RLS at REBNY
15 UNION Square #30 For Sale
Deborah A Kern at Corcoran Group
$7,250,000

3 bd · 4 ba · 2,795 sqft · Condo

15 UNION Square #30, New York City

MLS: RLS20077143 RLS at REBNY
35 W 15th Street #9B For Sale
Timothy P Malone at Compass
$1,895,000

1 bd · 2 ba · 1,000 sqft · Condo

35 W 15th Street #9B, New York City

MLS: RLS20063622 RLS at REBNY

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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.

Listings are updated approximately every 15 minutes. Data displayed by Keller Williams NYC.

RLS at REBNY

Concierge Buildings for Sale in NYC

The distinction between a doorman building and a true concierge building is meaningful: a doorman announces guests, while a concierge actively manages services on behalf of residents. After 25+ years working in Upper Manhattan and across the five boroughs, I find that buyers seeking concierge buildings prioritize security, delivery management, and seamless vendor access above all else. See active inventory in our co-op search, review Midtown East market data, or read our co-op board guide.

What services do concierge buildings provide?

24-hour staffed lobby, package acceptance, guest registration, taxi coordination, dry-cleaning valet, and move-in scheduling. High-end buildings may add restaurant reservations, housekeeping referrals, and resident portals for maintenance requests.

How do concierge building costs compare?

In Manhattan, full-service co-op maintenance fees run 15 to 30 percent higher than comparable non-doorman buildings, primarily because 24-hour staffing is the single largest budget line item. Request the most recent annual operating statement before offering.

Are there concierge co-ops as well as condos?

Yes. Many of Manhattan's most established concierge buildings are co-ops, particularly along Fifth Avenue, Park Avenue, and Central Park West. These pre-war buildings have maintained full-service staffing for decades but often have stricter board approval processes.

Buying Tip from Milton Coste

Many buildings marketed as "concierge" only provide attended lobby service during daytime hours, switching to virtual doorman overnight. Ask the managing agent for the full weekly staffing schedule and confirm whether overnights and weekends are covered.

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Concierge Buildings in Other Manhattan Neighborhoods

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I help buyers find apartments with the right amenities every week. Let me do the searching for you.

Milton Coste, Licensed Real Estate Associate Broker, KWNYC