Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

Luxury NYC Real Estate

1,926 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.

130 E 67th Street #4DG Active

$3,475,000

Co-op
2 bd | 0 ba

130 E 67th Street #4DG

Lenox Hill

Sothebys International Realty RLS
422 E 72ND Street #30E Active

$3,450,000

Condo
2 bd | 4 ba |2,000 sqft

422 E 72ND Street #30E

Lenox Hill

The Agency Brokerage RLS
303 PARK Avenue #2332 Active

$3,450,000

Condo
1 bd | 2 ba |1,005 sqft

303 PARK Avenue #2332

Midtown East

Douglas Elliman Real Estate RLS
258 RIVERSIDE Drive #1CD Active

$3,450,000

Co-op
6 bd | 4 ba |3,450 sqft

258 RIVERSIDE Drive #1CD

Upper West Side

Kleier Residential Inc RLS
353 W 120th Street Active

$3,450,000

Multi Family
8 bd | 5 ba |4,878 sqft

353 W 120th Street

West Harlem

Vandenberg Inc RLS
55 S 5TH Street Active

$3,450,000

Multi Family
4 bd | 4 ba

55 S 5TH Street

Williamsburg

Douglas Elliman Real Estate RLS
153 W 120th Street Active

$3,450,000

Single Family Residence
5 bd | 5 ba |4,550 sqft

153 W 120th Street

Harlem

Compass RLS
98 Prospect Place Active

$3,450,000

Multi Family
7 bd | 4 ba |4,500 sqft

98 Prospect Place

Park Slope

Compass RLS
116 W 133rd Street Active

$3,450,000

Multi Family
7 bd | 7 ba |4,800 sqft

116 W 133rd Street

West Harlem

Nest Seekers LLC RLS
205 VAN BUREN Street #TH Active

$3,450,000

Rental
9 bd | 5 ba |3,450 sqft

205 VAN BUREN Street #TH

Stuyvesant Heights

Barnes New York RLS
27 W 72ND Street #205 Active

$3,450,000

Condo
3 bd | 3 ba |1,798 sqft

27 W 72ND Street #205

Upper West Side

Serhant RLS
30 E 10th Street #6S Active

$3,450,000

Co-op
3 bd | 2 ba

30 E 10th Street #6S

Greenwich Village

Compass RLS
641 5TH Avenue #34B Active

$3,425,000

Condo
2 bd | 2 ba |1,238 sqft

641 5TH Avenue #34B

Midtown East

Douglas Elliman Real Estate RLS
100 SULLIVAN Street Active

$3,400,000

Single Family Residence
5 bd | 4 ba |3,148 sqft

100 SULLIVAN Street

Red Hook

Brown Harris Stevens Residential Sales LLC RLS
712 BROADWAY #3 Active

$3,400,000

Co-op
2 bd | 3 ba |2,825 sqft

712 BROADWAY #3

NoHo

Brown Harris Stevens Residential Sales LLC RLS
511 8TH Avenue #1 Active

$3,400,000

Condo
3 bd | 2 ba |2,302 sqft

511 8TH Avenue #1

Park Slope

Douglas Elliman Real Estate RLS
2 5th Avenue #18M Active

$3,400,000

Co-op
2 bd | 2 ba

2 5th Avenue #18M

Greenwich Village

Compass RLS
393 PRESIDENT Street Active

$3,400,000

Multi Family
4 bd | 3 ba |2,700 sqft

393 PRESIDENT Street

Carroll Gardens

Corcoran Group RLS
830 Park Avenue #5/6C Active

$3,400,000

Co-op
4 bd | 3 ba

830 Park Avenue #5/6C

Lenox Hill

Sothebys International Realty RLS
25 8TH Avenue #COMMERCIAL Active

$3,400,000

Condo
0 bd | 2 ba |4,000 sqft

25 8TH Avenue #COMMERCIAL

Park Slope

Douglas Elliman Real Estate RLS
164 UNDERHILL Avenue Active

$3,400,000

Multi Family
4 bd | 7 ba |4,441 sqft

164 UNDERHILL Avenue

Prospect Heights

Corcoran Group RLS
200 CHAMBERS Street #20C Active

$3,400,000

Condo
2 bd | 2 ba |1,534 sqft

200 CHAMBERS Street #20C

Tribeca

Douglas Elliman Real Estate RLS
1815 Ditmas Avenue Active

$3,400,000

Single Family Residence
6 bd | 5 ba |5,966 sqft

1815 Ditmas Avenue

Ditmas Park

Compass RLS
19 Clifford Place Active

$3,400,000

Multi Family
16 bd | 9 ba |7,000 sqft

19 Clifford Place

Greenpoint

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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