Milton Coste

66 Flatiron Concierge Buildings

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

All NYC Flatiron
66 results
280 Park Avenue S #12-M For Sale
Stephanie G Harnisch at William Raveis New York City LLC
$1,385,000

1 bd · 1 ba · 780 sqft · Condo

280 Park Avenue S #12-M, New York City

MLS: RLS20101706 RLS at REBNY
240 PARK Avenue S #6B For Sale
Monica M Webster at Douglas Elliman Real Estate
$4,250,000

3 bd · 4 ba · 2,139 sqft · Condo

240 PARK Avenue S #6B, New York City

MLS: RLS20116181 RLS at REBNY
50 Lexington Avenue #7F For Sale
BRIAN M KELLEY at Compass
$665,000

1 bd · 1 ba · Condop

50 Lexington Avenue #7F, New York City

MLS: RLS20114223 RLS at REBNY
32 W 18TH Street #11B For Sale
Frances W Katzen at Douglas Elliman Real Estate
$5,750,000

4 bd · 4 ba · 3,300 sqft · Condo

32 W 18TH Street #11B, New York City

MLS: RLS20115941 RLS at REBNY
69 5th Avenue #17HJ For Sale
BRIAN L BABST at Compass
$3,100,000

3 bd · 3 ba · Co-op

69 5th Avenue #17HJ, New York City

MLS: RLS20105082 RLS at REBNY
69 5th Avenue #14J For Sale
Kimberly B Jay at Compass
$2,400,000

2 bd · 2 ba · Co-op

69 5th Avenue #14J, New York City

MLS: RLS20105842 RLS at REBNY
69 5th Avenue #17J For Sale
BRIAN L BABST at Compass
$2,450,000

2 bd · 2 ba · Co-op

69 5th Avenue #17J, New York City

MLS: RLS20105446 RLS at REBNY
69 5th Avenue #17H For Sale
BRIAN L BABST at Compass
$650,000

Studio · 1 ba · Co-op

69 5th Avenue #17H, New York City

MLS: RLS20105309 RLS at REBNY
7 E 14TH Street #409 For Sale
Benjamin P Dixon at Douglas Elliman Real Estate
$1,095,000

1 bd · 1 ba · 900 sqft · Co-op

7 E 14TH Street #409, New York City

MLS: RLS20113071 RLS at REBNY
16 W 16TH Street #1UN For Sale
Dennis J Margulies at Douglas Elliman Real Estate
$649,000

1 bd · 1 ba · Co-op

16 W 16TH Street #1UN, New York City

MLS: RLS20102050 RLS at REBNY
16 W 16TH Street #12KS For Sale
Dennis J Margulies at Douglas Elliman Real Estate
$749,000

1 bd · 1 ba · Co-op

16 W 16TH Street #12KS, New York City

MLS: RLS20115337 RLS at REBNY
69 5th Avenue #15H For Sale
Luke Whittle at Howard Hanna NYC
$700,000

Studio · 1 ba · Co-op

69 5th Avenue #15H, New York City

MLS: RLS20112857 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 smooth 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.

Milton Coste, Licensed Real Estate Associate Broker

Milton Coste

Licensed Real Estate Associate Broker

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Milton Coste, Licensed Real Estate Associate Broker, KWNYC