Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

Luxury NYC Real Estate

1,939 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.

554 BROOME Street #PENTHOUSE Active

$4,350,000

Condo
3 bd | 3 ba |2,300 sqft

554 BROOME Street #PENTHOUSE

Hudson Square

Douglas Elliman Real Estate RLS
110-118 Riverside Drive #3CD Active

$4,350,000

Co-op
4 bd | 0 ba

110-118 Riverside Drive #3CD

Upper West Side

Sothebys International Realty RLS
433 E 74TH Street #MAISB Active

$4,350,000

Condo
3 bd | 4 ba |3,216 sqft

433 E 74TH Street #MAISB

Lenox Hill

Corcoran Group RLS
135 E 47TH Street #PHD Active

$4,350,000

Condo
2 bd | 2 ba |1,377 sqft

135 E 47TH Street #PHD

Turtle Bay

Brown Harris Stevens Development Marketing LLC RLS
480 KENT Avenue #PHC Active

$4,320,000

Condo
3 bd | 3 ba |1,650 sqft

480 KENT Avenue #PHC

Williamsburg

Serhant RLS
88 LEXINGTON Avenue #307 Active

$4,300,000

Condo
3 bd | 4 ba |2,384 sqft

88 LEXINGTON Avenue #307

NoMad

Corcoran Group RLS
1155 Park Avenue #11NE Active

$4,300,000

Co-op
3 bd | 0 ba

1155 Park Avenue #11NE

Upper East Side

Sothebys International Realty RLS
377 RECTOR Place #PHB Active

$4,299,000

Condo
5 bd | 4 ba |3,180 sqft

377 RECTOR Place #PHB

Battery Park City

Brown Harris Stevens Residential Sales LLC RLS
527 W 27TH Street #5S Active

$4,295,000

Condo
2 bd | 3 ba |1,997 sqft

527 W 27TH Street #5S

Chelsea

Corcoran Group RLS
138 Manhattan Avenue Active

$4,295,000

Single Family Residence
5 bd | 4 ba |3,600 sqft

138 Manhattan Avenue

Upper West Side

Compass RLS
45 E 66th Street #3W Active

$4,295,000

Co-op
4 bd | 3 ba

45 E 66th Street #3W

Lenox Hill

Compass RLS
25 CENTRAL Park W #14HI Active

$4,295,000

Condo
4 bd | 3 ba |2,428 sqft

25 CENTRAL Park W #14HI

Lincoln Square

Brown Harris Stevens Residential Sales LLC RLS
132 DUANE Street #4THFL Active

$4,275,000

Condo
2 bd | 2 ba |2,300 sqft

132 DUANE Street #4THFL

Tribeca

Brown Harris Stevens Residential Sales LLC RLS
173 Perry Street #3N Active

$4,250,000

Condo
2 bd | 3 ba |1,853 sqft

173 Perry Street #3N

West Village

Sothebys International Realty RLS
27 HOWARD Street #4R Active

$4,250,000

Co-op
2 bd | 3 ba |2,005 sqft

27 HOWARD Street #4R

SoHo

Corcoran Group RLS
575 A Leonard Street Active

$4,250,000

Single Family Residence
4 bd | 4 ba |2,567 sqft

575 A Leonard Street

Greenpoint

Compass RLS
10 Madison Square W #3B Active

$4,250,000

Condo
3 bd | 4 ba |2,043 sqft

10 Madison Square W #3B

Flatiron

Compass RLS
260 Park Avenue S #4B Active

$4,250,000

Condo
2 bd | 3 ba |1,880 sqft

260 Park Avenue S #4B

Flatiron

Compass RLS
525 PARK Avenue #6B Active

$4,250,000

Condo
3 bd | 2 ba |1,652 sqft

525 PARK Avenue #6B

Lenox Hill

Corcoran Group RLS
92 FORT GREENE Place Active

$4,250,000

Multi Family
6 bd | 6 ba |4,875 sqft

92 FORT GREENE Place

Fort Greene

Corcoran Group RLS
185 12TH Street Active

$4,250,000

Multi Family
5 bd | 4 ba

185 12TH Street

Gowanus

Douglas Elliman Real Estate RLS
475 PARK Avenue #11BC Active

$4,250,000

Co-op
4 bd | 4 ba |2,630 sqft

475 PARK Avenue #11BC

Midtown East

Douglas Elliman Real Estate RLS
91 CENTRAL Park W #14C Active

$4,250,000

Co-op
3 bd | 3 ba

91 CENTRAL Park W #14C

Lincoln Square

Douglas Elliman Real Estate RLS
685 5TH Avenue #16D Active

$4,250,000

Condo
1 bd | 2 ba |1,207 sqft

685 5TH Avenue #16D

Midtown East

Serhant 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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