Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

Luxury NYC Real Estate

1,929 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.

10 Madison Square W #16D Active

$12,500,000

Condo
4 bd | 0 ba |3,309 sqft

10 Madison Square W #16D

Flatiron

Sothebys International Realty RLS
374 BROOME Street #PHS Active

$12,500,000

Condo
3 bd | 3 ba |2,610 sqft

374 BROOME Street #PHS

Nolita

Corcoran Group RLS
303 PARK Avenue #2429 Active

$12,500,000

Condo
3 bd | 4 ba |3,855 sqft

303 PARK Avenue #2429

Midtown East

Douglas Elliman Real Estate RLS
30 E 85TH Street #26/27B Active

$12,500,000

Condo
5 bd | 6 ba |3,046 sqft

30 E 85TH Street #26/27B

Upper East Side

Corcoran Group RLS
130 Furman Street #S-405 Active

$12,500,000

Condo
4 bd | 3 ba |3,239 sqft

130 Furman Street #S-405

Fulton Ferry

Societe Real Estate RLS
44 E 81ST Street Active

$12,500,000

Single Family Residence
6 bd | 6 ba |5,760 sqft

44 E 81ST Street

Upper East Side

Douglas Elliman Real Estate RLS
445 LAFAYETTE Street #PENTHOUS17 Active

$12,500,000

Condop
4 bd | 4 ba |4,156 sqft

445 LAFAYETTE Street #PENTHOUS17

NoHo

Serhant RLS
106 CENTRAL Park S #21ABCDE Active

$12,500,000

Condo
4 bd | 5 ba |5,450 sqft

106 CENTRAL Park S #21ABCDE

Central Park South

Douglas Elliman Real Estate RLS
50 WEST Street #PH58B Active

$12,500,000

Condo
4 bd | 4 ba |3,594 sqft

50 WEST Street #PH58B

Financial District

Douglas Elliman Real Estate RLS
33 W 71ST Street Active

$12,495,000

Single Family Residence
6 bd | 7 ba |8,000 sqft

33 W 71ST Street

Lincoln Square

Leslie J Garfield & Co Inc RLS
895 Park Avenue #6C Active

$12,450,000

Co-op
5 bd | 6 ba

895 Park Avenue #6C

Upper East Side

Sothebys International Realty RLS
50 Central Park W #MAIS-DUPLEX Active

$12,200,000

Co-op
5 bd | 5 ba |5,935 sqft

50 Central Park W #MAIS-DUPLEX

Upper West Side

Sothebys International Realty RLS
20 W 53rd Street #47-A Active

$12,091,500

Condo
4 bd | 5 ba |4,557 sqft

20 W 53rd Street #47-A

Midtown West

Bespoke Real Estate LLC RLS
10 GRACIE Square #4G Active

$12,000,000

Co-op
4 bd | 5 ba

10 GRACIE Square #4G

Yorkville

Brown Harris Stevens Residential Sales LLC RLS
1040 5th Avenue #3A Active

$12,000,000

Co-op
4 bd | 6 ba |4,363 sqft

1040 5th Avenue #3A

Upper East Side

Sothebys International Realty RLS
133 E 64TH Street #PHS Active

$12,000,000

Co-op
3 bd | 5 ba

133 E 64TH Street #PHS

Lenox Hill

Brown Harris Stevens Residential Sales LLC RLS
16 5TH Avenue #7 Active

$12,000,000

Condo
3 bd | 5 ba |3,727 sqft

16 5TH Avenue #7

Greenwich Village

Corcoran Sunshine Marketing Group RLS
969 5th Avenue #13 Active

$12,000,000

Co-op
2 bd | 3 ba

969 5th Avenue #13

Upper East Side

Sothebys International Realty RLS
45 CHARLES Street Active

$12,000,000

Single Family Residence
4 bd | 4 ba

45 CHARLES Street

West Village

Brown Harris Stevens Residential Sales LLC RLS
126 E 57th Street #PH-1A Active

$12,000,000

Condo
3 bd | 4 ba |2,346 sqft

126 E 57th Street #PH-1A

Midtown East

Nest Seekers LLC RLS
1 Central Park S #909 Active

$12,000,000

Condo
3 bd | 3 ba |2,900 sqft

1 Central Park S #909

Central Park South

Compass RLS
720 W END Avenue #PH17C Active

$12,000,000

Condo
4 bd | 4 ba |3,700 sqft

720 W END Avenue #PH17C

Upper West Side

Corcoran Sunshine Marketing Group RLS
30 PARK Place #67A Active

$11,995,000

Condo
4 bd | 5 ba |3,699 sqft

30 PARK Place #67A

Tribeca

Douglas Elliman Real Estate RLS
212 W 18th Street #15A Active

$11,995,000

Condo
2 bd | 3 ba |2,428 sqft

212 W 18th Street #15A

Chelsea

Compass 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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