Milton Coste

79 Flatiron Concierge Buildings

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

All NYC Flatiron
79 results
50 LEXINGTON Avenue #12B For Sale
Adam Hernandez at Corcoran Group
$599,999

1 bd · 1 ba · Co-op

50 LEXINGTON Avenue #12B, New York City

MLS: RLS20073536 RLS at REBNY
21 E 22nd Street #2K For Sale
Vicki Musso at Compass
$1,495,000

2 bd · 1 ba · Co-op

21 E 22nd Street #2K, New York City

MLS: RLS20072925 RLS at REBNY
16 W 16th Street #12KN For Sale
Vicki Musso at Compass
$1,100,000

1 bd · 1 ba · Co-op

16 W 16th Street #12KN, New York City

MLS: RLS20095801 RLS at REBNY
254 PARK Avenue #2PR For Sale
John McSherry at Douglas Elliman Real Estate
$1,849,000

2 bd · 2 ba · 1,235 sqft · Condo

254 PARK Avenue #2PR, New York City

MLS: RLS20062881 RLS at REBNY
4 W 21ST Street #7B For Sale
Joshua B Rubin at Douglas Elliman Real Estate
$1,495,000

2 bd · 3 ba · 1,475 sqft · Condop

4 W 21ST Street #7B, New York City

MLS: RLS20091794 RLS at REBNY
69 5TH Avenue #9GH For Sale
ANDREW AZOULAY at Douglas Elliman Real Estate
$4,250,000

3 bd · 3 ba · Co-op

69 5TH Avenue #9GH, New York City

MLS: RLS20098948 RLS at REBNY
5 E 22nd Street #3-M For Sale
Tushar M Vora at Maz Group NY LLC
$1,250,000

1 bd · 1 ba · 632 sqft · Condo

5 E 22nd Street #3-M, New York City

MLS: RLS20091858 RLS at REBNY
50 LEXINGTON Avenue #16D For Sale
Jonathan Jossen at Corcoran Group
$1,350,000

2 bd · 2 ba · Co-op

50 LEXINGTON Avenue #16D, New York City

MLS: RLS20090437 RLS at REBNY
10 MADISON Square #4H For Sale
Philip John Tabor at Corcoran Group
$1,950,000

1 bd · 1 ba · 896 sqft · Condo

10 MADISON Square #4H, New York City

MLS: RLS20086130 RLS at REBNY
16 W 16TH Street #4LN For Sale
Dennis J Margulies at Douglas Elliman Real Estate
$925,000

1 bd · 1 ba · 725 sqft · Co-op

16 W 16TH Street #4LN, New York City

MLS: RLS20076168 RLS at REBNY
5 E 22ND Street #22P For Sale
Barbara C Licalzi at Brown Harris Stevens Residential Sales LLC
$4,995,000

3 bd · 3 ba · 1,956 sqft · Condo

5 E 22ND Street #22P, New York City

MLS: RLS20085874 RLS at REBNY
69 5th Avenue #14J For Sale
Kimberly B Jay at Compass
$2,500,000

2 bd · 2 ba · Co-op

69 5th Avenue #14J, New York City

MLS: RLS20081194 RLS at REBNY

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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