3 units for sale in this building

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CONDOP in Flatiron

4 West 21st Street, #12C

$1,175,000

1 bed

2 baths

Listing by Compass

CONDOP in Flatiron

4 West 21st Street, #14A

$1,200,000

2 beds

2 baths

Listing by Compass

CONDOP in Flatiron

4 West 21st Street, #3AD

$2,900,000

4 beds

3 baths

Listing by Nest Seekers International

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1 of 2

4W21

4 West 21st Street, New York, NY 10010

56 units

17 stories

2006 built

Take the next step on a unit in this building.

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About

4 W 21st Street is a spectacularly designed condop building in the heart of the coveted Flatiron District. Preeminent architect Hugh Hardy’s innovative design reinterprets and updates the traditional stone and cast industrial lofts of the neighborhood but does so with an articulated facade in shimmering glass and stainless steel. No detail has been overlooked and many apartments feature solid core doors, quarter sewn oak flooring, a state of the art security and video system, CAT-5 wiring and enormous windows throughout as well as top of the line appliances including garbage disposal and more.

Facts

Development status: Completed
Developer: The Brodsky Organization
Architect: H3 Hardy Collaboration Architecture
Interior design: Antony Todd
District: Community District 105City Council District 3Police Precinct 13
Building class: D4
Documents and permits: View documents and permits

This building is on leased, not owned, land.

Available units

Prices shown are base rent only and don't include any fees. Visit each listing to see a complete cost breakdown.

#12C

$1,175,000

Price Drop$75,000

Resale

1 bed

2 baths

1,073 ft²

Listing by Compass

#14A

$1,200,000

Resale

2 beds

2 baths

1,225 ft²

Listing by Compass

#3AD

$2,900,000

Resale

4 beds

3 baths

3,000 ft²

Listing by Nest Seekers International

No available info on all.

Unavailable sales

			Status				Floor plan
03/18/26	#16A	$1,550,000	Sold (asking: $1,550,000; 0%)	2 beds	2 baths	1,444 ft²
01/15/26	#7A	$1,150,000	No longer available on StreetEasy	2 beds	2 baths	1,225 ft²
10/31/25	#10D	$1,185,000	Sold (asking: $1,295,000; -8.49%)	2 beds	2.5 baths	1,518 ft²
09/23/25	#2D	$1,435,000	Sold (asking: $1,475,000; -2.71%)	2 beds	2.5 baths	1,620 ft²
09/22/25	#4B	$1,450,000	No longer available on StreetEasy	2 beds	3 baths	1,500 ft²
09/08/25	#8D	$1,225,000	Sold (asking: $1,270,000; -3.54%)	2 beds	2.5 baths	1,495 ft²
06/21/25	#2B	$1,150,000	No longer available on StreetEasy	2 beds	3 baths	1,455 ft²
05/05/25	#14D	$1,350,000	Sold (asking: $1,375,000; -1.82%)	2 beds	2.5 baths	1,518 ft²
09/27/24	#8B	$1,495,000	No longer available on StreetEasy	2 beds	3 baths	1,500 ft²
07/15/24	#4D	$1,300,000	Sold (asking: $1,395,000; -6.81%)	2 beds	2.5 baths	1,495 ft²
06/28/24	#11B	$1,450,000	Recorded closing	3 beds	3 baths	1,674 ft²	-
05/30/24	#7C	$1,295,000	Sold (asking: $1,295,000; 0%)	2 beds	2 baths	1,256 ft²
07/06/23	#9D	$1,495,000	No longer available on StreetEasy	2 beds	2.5 baths	1,501 ft²
05/18/22	#12B	$1,725,000	Sold (asking: $1,800,000; -4.17%)	3 beds	3 baths	- ft²
12/15/21	#10C	$1,165,000	Sold (asking: $1,200,000; -2.92%)	1 bed	2 baths	1,073 ft²
11/21/21	#12D	$1,395,000	Sold (can't find government record)	2 beds	2.5 baths	1,518 ft²
11/20/21	#11C	$1,240,000	Sold (asking: $1,295,000; -4.25%)	1 bed	2 baths	1,073 ft²
10/29/21	#7D	$1,425,000	Sold (asking: $1,475,000; -3.39%)	2 beds	2.5 baths	1,518 ft²
10/26/21	#12A	$1,240,000	Sold (asking: $1,295,000; -4.25%)	2 beds	2 baths	- ft²	-
07/20/21	#3D	$1,200,000	Sold (asking: $1,295,000; -7.34%)	2 beds	2.5 baths	1,518 ft²
07/20/21	#14B	$1,595,000	Sold (asking: $1,595,000; 0%)	3 beds	3 baths	1,674 ft²
03/24/21	#8A	$1,350,000	No longer available on StreetEasy	2 beds	2 baths	1,225 ft²
02/22/21	#10B	$1,725,000	No longer available on StreetEasy	2 beds	3 baths	1,658 ft²
02/10/21	#9A	$1,260,000	Recorded closing	2 beds	2 baths	1,225 ft²	-
11/23/20	#8C	$1,350,000	Sold (can't find government record)	2 beds	2 baths	1,245 ft²
11/20/20	#4C	$1,250,000	Sold (asking: $1,275,000; -1.96%)	2 beds	2 baths	1,245 ft²
11/17/20	#17B	$750,000	Sold (asking: $1,050,000; -28.57%)	1 bed	1 bath	725 ft²
01/31/20	#17A	$1,900,000	Sold (asking: $2,000,000; -5.0%)	3 beds	2.5 baths	2,258 ft²
12/05/19	#2A	$600,000	Recorded closing	-	- baths	- ft²	-
11/05/19	#11D	$1,500,000	Sold (asking: $1,650,000; -9.09%)	2 beds	2.5 baths	- ft²
10/25/19	#3B	$1,950,000	No longer available on StreetEasy	2 beds	3 baths	1,500 ft²
03/05/18	#11C/D	$3,790,000	No longer available on StreetEasy	4 beds	5 baths	2,973 ft²
01/02/18	#11/10C	$2,830,000	No longer available on StreetEasy	3 beds	3 baths	2,173 ft²
12/20/16	#3C	$1,800,000	Sold (asking: $1,895,000; -5.01%)	2 beds	2 baths	1,256 ft²
10/06/16	#5A	$1,720,000	Sold (asking: $1,850,000; -7.03%)	2 beds	2 baths	1,225 ft²
08/19/16	#4A	$1,700,000	Sold (asking: $1,750,000; -2.86%)	2 beds	2 baths	1,225 ft²
08/01/16	#11D2	$2,295,000	No longer available on StreetEasy	2 beds	2.5 baths	1,518 ft²
05/31/16	#6B	$2,075,000	Sold (asking: $2,250,000; -7.78%)	2 beds	3 baths	1,500 ft²
09/01/15	#10A	$2,075,000	Sold (asking: $2,100,000; -1.19%)	2 beds	2 baths	1,225 ft²
08/03/15	#6D	$2,275,000	Sold (asking: $2,275,000; 0%)	2 beds	2.5 baths	- ft²
06/27/14		$2,150,000	Recorded closing	2 beds	2.5 baths	1,245 ft²	-
02/05/14	#3A	$1,767,000	Sold (asking: $1,825,000; -3.18%)	2 beds	2 baths	1,225 ft²
01/21/14	#5B	$2,200,000	No longer available on StreetEasy	2 beds	3 baths	1,500 ft²
12/27/13	#9C	$1,290,000	Sold (asking: $1,350,000; -4.44%)	1 bed	2 baths	1,073 ft²
08/09/13	#5CD	$4,200,000	Sold (asking: $4,600,000; -8.70%)	5 beds	3.5 baths	- ft²
01/22/13	#2C	$1,600,000	Sold (asking: $1,600,000; 0%)	2 beds	2 baths	1,206 ft²
01/15/13	#PH	$5,200,000	Sold (asking: $5,500,000; -5.45%)	2 beds	2.5 baths	- ft²	-
11/19/12	#15B	$4,350,000	Recorded closing	-	- baths	- ft²	-
02/08/12	#5C	$1,560,000	Recorded closing	2 beds	2 baths	1,245 ft²	-
01/09/10	#7B	$1,450,000	Sold (asking: $1,595,000; -9.09%)	2 beds	3 baths	1,475 ft²
09/19/08	#4B4	$1,995,000	No longer available on StreetEasy	2 beds	3 baths	1,500 ft²
02/21/08	#9A9	$2,396,860	No longer available on StreetEasy	2 beds	2 baths	- ft²
12/06/07	#4CC	$1,795,000	No longer available on StreetEasy	2 beds	2 baths	1,245 ft²
04/18/07	#5D	$1,731,025	Sold (asking: $1,700,000; 1.82%)	2 beds	2.5 baths	1,495 ft²	-

Unavailable rentals

						Floor plan
03/22/26	#16A	$14,000	2 beds	2 baths	1,444 ft²
01/29/26	#7A	$9,950	2 beds	2 baths	1,225 ft²
01/23/26	#11A	$9,750	2 beds	2 baths	- ft²
11/26/25	#10D	$13,500	2 beds	2.5 baths	1,518 ft²
10/03/25	#3B	$10,500	2 beds	3 baths	1,450 ft²
09/23/25	#PH	$28,500	3 beds	2.5 baths	2,487 ft²
06/25/25	#2D	$14,500	2 beds	2+ baths	1,620 ft²
06/21/25	#2B	$13,500	2 beds	3 baths	1,466 ft²
03/30/25	#12D	$12,750	2 beds	2.5 baths	1,518 ft²
03/27/25	#17B	$6,500	1 bed	1 bath	725 ft²
02/07/25	#9D	$10,449	2 beds	2.5 baths	1,501 ft²
01/28/25	#8D	$8,000	2 beds	2.5 baths	1,495 ft²
07/21/24	#6	$9,950	2 beds	2 baths	1,250 ft²	-
07/16/24	#8	$6,500	1 bed	1 bath	- ft²	-
06/09/24	#7	$6,400	1 bed	1 bath	- ft²	-
05/09/24	#5	$9,000	2 beds	2 baths	- ft²	-
04/24/24	#10B	$11,800	2 beds	3 baths	1,658 ft²
03/27/24	#9C	$8,000	1 bed	2 baths	- ft²
03/06/24	#14A	$9,000	2 beds	2 baths	1,225 ft²
07/28/23	#4D	$11,000	2 beds	2.5 baths	1,495 ft²
07/26/23	#8B	$10,000	2 beds	3 baths	1,500 ft²
06/15/23	#4B	$10,500	2 beds	3 baths	1,500 ft²
05/27/23	#16B	$5,995	1 bed	1 bath	- ft²	-
03/19/21	#7D	$7,950	2 beds	2.5 baths	1,518 ft²
02/03/21	#2C	$6,495	2 beds	2 baths	1,206 ft²
09/15/20	#10C	$6,000	1 bed	2 baths	- ft²
09/08/20	#7C	$7,000	2 beds	2 baths	1,256 ft²
10/16/19	#10A	$9,000	2 beds	2 baths	1,225 ft²
02/07/19	#9A	$8,750	2 beds	2 baths	1,225 ft²
10/08/18	#8C	$8,750	2 beds	2 baths	1,250 ft²
10/08/18	#3D	$8,950	2 beds	2.5 baths	1,500 ft²
09/05/18	#11D	$13,500	3 beds	3.5 baths	1,900 ft²
08/31/18	#4C	$8,500	2 beds	2 baths	1,245 ft²	-
06/18/18	#6B	$8,500	2 beds	3 baths	1,500 ft²
05/31/18	#17A	$10,000	2 beds	2.5 baths	2,258 ft²
08/08/17	#11C	$8,500	1 bed	2 baths	- ft²
07/11/16	#14DU	$9,750	2 beds	2.5 baths	1,518 ft²
07/11/16	#14D	$9,750	2 beds	2.5 baths	1,518 ft²
02/28/13	#8A	$8,300	2 beds	2 baths	1,225 ft²
05/28/10	#5A	$7,200	2 beds	2 baths	1,225 ft²
01/08/10	#5C	$7,250	2 beds	2 baths	1,245 ft²
09/22/09	#12A	$7,500	2 beds	2 baths	1,225 ft²
06/18/09		$7,000	2 beds	2 baths	1,245 ft²	-