Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

Luxury NYC Real Estate

1,928 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.

770 PARK Avenue #1D Active

$3,650,000

Co-op
3 bd | 3 ba

770 PARK Avenue #1D

Lenox Hill

Douglas Elliman Real Estate RLS
245 W 99TH Street #8/B Active

$3,650,000

Condo
4 bd | 4 ba |2,725 sqft

245 W 99TH Street #8/B

Upper West Side

Brown Harris Stevens Residential Sales LLC RLS
1 E END Avenue #12/13B Active

$3,650,000

Co-op
4 bd | 5 ba

1 E END Avenue #12/13B

Yorkville

Brown Harris Stevens Residential Sales LLC RLS
8 S 4th Street #10C Active

$3,650,000

Condo
3 bd | 0 ba |1,761 sqft

8 S 4th Street #10C

Williamsburg

Two Trees Development Marketing LLC RLS
15 Hudson Yards #32G Active

$3,650,000

Condo
2 bd | 3 ba |1,464 sqft

15 Hudson Yards #32G

Hudson Yards

Serhant RLS
30 PARK Place #62D Active

$3,649,999

Condo
2 bd | 3 ba |1,538 sqft

30 PARK Place #62D

Tribeca

Douglas Elliman Real Estate RLS
720 W END Avenue #8K Active

$3,645,000

Condo
3 bd | 4 ba |1,996 sqft

720 W END Avenue #8K

Upper West Side

Corcoran Sunshine Marketing Group RLS
252 SOUTH Street #49C Active

$3,635,000

Condo
3 bd | 3 ba |1,487 sqft

252 SOUTH Street #49C

Two Bridges

Corcoran Sunshine Marketing Group RLS
252 South Street #49C Active

$3,635,000

Condo
3 bd | 3 ba |1,487 sqft

252 South Street #49C

Chinatown

Extell Marketing Group LLC RLS
301 W 57th Street #48A Active

$3,600,000

Condo
2 bd | 3 ba |1,917 sqft

301 W 57th Street #48A

Hell's Kitchen

Compass RLS
2109 Broadway #1592 Active

$3,600,000

Condo
4 bd | 4 ba |2,300 sqft

2109 Broadway #1592

Upper West Side

Compass RLS
10 RIVERSIDE Boulevard #32D Active

$3,600,000

Condo
2 bd | 2 ba |1,419 sqft

10 RIVERSIDE Boulevard #32D

Lincoln Square

Douglas Elliman Real Estate RLS
1 Wall Street #2906 Active

$3,600,000

Condo
3 bd | 4 ba |1,836 sqft

1 Wall Street #2906

Financial District

One Wall Street Sales LLC RLS
1289 LEXINGTON Avenue #12C Active

$3,600,000

Condo
2 bd | 3 ba |1,715 sqft

1289 LEXINGTON Avenue #12C

Carnegie Hill

Brown Harris Stevens Residential Sales LLC RLS
15 Hudson Yards #38G Active

$3,600,000

Condo
2 bd | 2 ba |1,455 sqft

15 Hudson Yards #38G

Hudson Yards

Corcoran Group RLS
40 E 78th Street #7-H Active

$3,600,000

Condo
3 bd | 3 ba |1,843 sqft

40 E 78th Street #7-H

Upper East Side

A & I Broadway Realty Inc RLS
15 Hudson Yards #38G Active

$3,600,000

Condo
2 bd | 3 ba |1,455 sqft

15 Hudson Yards #38G

Hudson Yards

Compass RLS
324 E 18TH Street Active

$3,600,000

Multi Family
4 bd | 5 ba |3,864 sqft

324 E 18TH Street

Gramercy Park

Brown Harris Stevens Residential Sales LLC RLS
1021 Park Avenue #14C Active

$3,600,000

Co-op
3 bd | 4 ba

1021 Park Avenue #14C

Upper East Side

Sothebys International Realty RLS
303 PARK Avenue #2317 Active

$3,600,000

Condo
1 bd | 2 ba |995 sqft

303 PARK Avenue #2317

Midtown East

Brown Harris Stevens Residential Sales LLC RLS
252 South Street #64A Active

$3,600,000

Condo
3 bd | 3 ba |1,667 sqft

252 South Street #64A

Two Bridges

Compass RLS
8 S 4th Street #9B Active

$3,600,000

Condo
3 bd | 0 ba |1,736 sqft

8 S 4th Street #9B

Williamsburg

Two Trees Development Marketing LLC RLS
108 LEONARD Street #5B Active

$3,600,000

Condo
2 bd | 3 ba

108 LEONARD Street #5B

Tribeca

Brown Harris Stevens Residential Sales LLC RLS
146 W 57th Street #6667E Active

$3,600,000

Condo
4 bd | 3 ba |2,300 sqft

146 W 57th Street #6667E

Midtown

Keller Williams NYC 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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