Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

Luxury NYC Real Estate

1,930 properties priced at $3M and above

What a $3M+ NYC Apartment Purchase Involves

Buying a $3M+ apartment in NYC means a mansion tax of at least 1.50% of the full price, paid by the buyer at closing: $45,000 on a $3,000,000 contract, rising to 2.25% at $5,000,000, 3.25% at $10,000,000 and 3.90% at $25,000,000 and above. The rate applies to the whole price, so it is a cash cost on top of the down payment that a mortgage will not cover.

At this level the choice between a co-op and a condo shapes the whole purchase. A co-op purchase is a transfer of shares, and the board reviews the buyer's full financial package before approving it; a condo is deeded real property and generally needs no board approval. The mansion tax applies to both, since there is no co-op exemption.

Luxury Real Estate in NYC

NYC's luxury market ($3M+) includes full-service condos, pre-war co-ops in prime locations, penthouses, and townhouses. At this price point, buyers expect private viewings, early word on Coming Soon listings, and discretion throughout the transaction.

With over 25 years in NYC real estate, I search both REBNY RLS and OneKey MLS, including Coming Soon listings when the listing broker files them, and I call listing brokers directly about higher-price inventory. Use the form below to start a private search.

Ask for a private search

Tell me the price range and what you are after in NYC. I read every request myself, and nothing you write here is shared with a listing broker without your say.

Milton Coste | Licensed Real Estate Associate Broker | Keller Williams NYC | License #10301213304

You're contacting Milton Coste, a buyer's agent. Before any private showing, New York brokerage rules require a short non-exclusive agreement. Milton walks you through it before you sign anything. Broker commissions are not set by law and are fully negotiable. How working together works.

110 E 71ST Street #TH4 Active

$3,990,000

Condo
3 bd | 3 ba |1,650 sqft

110 E 71ST Street #TH4

Lenox Hill

Corcoran Group RLS
565 PARK Avenue #4W Active

$3,985,000

Co-op
3 bd | 3 ba

565 PARK Avenue #4W

Lenox Hill

Corcoran Group RLS
220 Riverside Boulevard #15-J Active

$3,978,000

Condo
3 bd | 4 ba |2,127 sqft

220 Riverside Boulevard #15-J

Lincoln Square

Blu Realty Group RLS
55 PRINCE Street #5F Active

$3,975,000

Co-op
3 bd | 2 ba

55 PRINCE Street #5F

Nolita

Serhant RLS
80 E 10th Street #3W Active

$3,975,000

Condo
3 bd | 3 ba |1,840 sqft

80 E 10th Street #3W

Greenwich Village

Compass RLS
40 Bleecker Street #6C Active

$3,950,000

Condo
2 bd | 0 ba |1,093 sqft

40 Bleecker Street #6C

NoHo

Sothebys International Realty RLS
10 MADISON Square W #11C Active

$3,950,000

Condo
2 bd | 3 ba |1,779 sqft

10 MADISON Square W #11C

Flatiron

Douglas Elliman Real Estate RLS
207 E 31ST Street Active

$3,950,000

Single Family Residence
3 bd | 3 ba |2,030 sqft

207 E 31ST Street

Kips Bay

Corcoran Group RLS
175 E 62nd Street #18/19A Active

$3,950,000

Co-op
5 bd | 4 ba

175 E 62nd Street #18/19A

Lenox Hill

Compass RLS
344 W 72ND Street #TH1 Active

$3,950,000

Co-op
3 bd | 3 ba |3,287 sqft

344 W 72ND Street #TH1

Lincoln Square

Corcoran Group RLS
328 W 89TH Street Active

$3,950,000

Multi Family
8 bd | 9 ba |5,885 sqft

328 W 89TH Street

Upper West Side

Leslie J Garfield & Co Inc RLS
85 WESTMINSTER Road Active

$3,950,000

Single Family Residence
7 bd | 4 ba |3,580 sqft

85 WESTMINSTER Road

Prospect Park South

Brown Harris Stevens Brooklyn LLC RLS
721 5TH Avenue #47A Active

$3,950,000

Condo
2 bd | 3 ba |1,466 sqft

721 5TH Avenue #47A

Midtown East

Douglas Elliman Real Estate RLS
1 CENTRAL Park S #706 Active

$3,950,000

Condo
2 bd | 2 ba |1,721 sqft

1 CENTRAL Park S #706

Central Park South

Cutler Joanna RLS
331 VANDERBILT Avenue Active

$3,950,000

Single Family Residence
0 bd | 2 ba |2,720 sqft

331 VANDERBILT Avenue

Clinton Hill

Brown Harris Stevens Brooklyn LLC RLS
222 E BROADWAY #PHE Active

$3,950,000

Condo
4 bd | 4 ba |2,591 sqft

222 E BROADWAY #PHE

Lower East Side

Corcoran Sunshine Marketing Group RLS
43 W 64th Street #4B Active

$3,950,000

Condo
2 bd | 3 ba |2,331 sqft

43 W 64th Street #4B

Upper West Side

Sothebys International Realty RLS
515 W 29th Street #2S Active

$3,900,000

Condo
2 bd | 3 ba |1,895 sqft

515 W 29th Street #2S

Chelsea

Compass RLS
641 Fifth Avenue #29D Active

$3,900,000

Condo
2 bd | 3 ba |1,800 sqft

641 Fifth Avenue #29D

Midtown

DGSIR Realty RLS
420 W 25th Street #PHA Active

$3,900,000

Condo
2 bd | 3 ba |1,985 sqft

420 W 25th Street #PHA

Chelsea

Sothebys International Realty RLS
145 6th Avenue #4C Active

$3,900,000

Condo
1 bd | 2 ba |2,180 sqft

145 6th Avenue #4C

Hudson Square

Sothebys International Realty RLS
473 W 143rd Street #TH Active

$3,900,000

Multi Family
6 bd | 6 ba

473 W 143rd Street #TH

Hamilton Heights

Keller Williams NYC RLS
15 RENWICK Street #404 Active

$3,900,000

Condo
3 bd | 4 ba |1,774 sqft

15 RENWICK Street #404

Hudson Square

Corcoran Group RLS
4 SNIFFEN Court Active

$3,900,000

Single Family Residence
2 bd | 2 ba |2,200 sqft

4 SNIFFEN Court

Murray Hill

Corcoran Group RLS
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Frequently Asked Questions

What is the NYC mansion tax?
NYC imposes a mansion tax on purchases of $1M+ residential properties. The tax starts at 1% and increases progressively up to 3.9% for properties over $25M. This is paid by the buyer at closing.
Can I hear about luxury listings before they are widely advertised?
Sometimes. Some sellers start as Coming Soon on the RLS before full marketing, and REBNY rules set what can be shared and when. As a Licensed Real Estate Associate Broker at Keller Williams NYC, I search both REBNY RLS and OneKey MLS and tell clients about Coming Soon listings as soon as the rules allow.

Explore More

NYC Buyer GuidePrice DropsManhattan LuxuryBrooklyn LuxuryNYC Homes $1M-$2MNYC Homes $2M-$3MAll Market Reports
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.
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