Co-op1 Active Sale

Ninth Realty Company

400 West 23rd Street·Chelsea · Manhattan · NY · 10011

Units

Stories

1920

Built

Photos

Overview

Ninth Realty Company, at 400 West 23rd Street, is a 6-story elevator co-op building in Chelsea, Manhattan. Built in 1920, it has 20 units.

1 unit

TypeCo-op

EraPre-war

ClassD4 · Elevator Cooperative

Elevators1

Gross square feet23,608

Lot size5,431 SF

Lot dimensions55 × 98.8 ft

ZoningC16A

BIN1012697

BBL1007200047

Bike StorageElevatorsStorage

Studio02 units

1 BR05 units

3 BR02 units

4 BR01 unit

PetsAllowed

SmokingPermitted

Total

$1,073,877

Avg Price

$1,255

Avg $/SF

0.8

Avg Sales / Year

331

Avg DOM

Layout	Avg Price	Avg $/SF	Last Sold
Unknown	$1,275,000	-	$1,275,000 · Jun '24
Studio	$560,038	$1,037	$560,038 · Jul '24
1 BR	$825,000	$1,213	$740,000 · Dec '22
3 BR	$3,350,000	$2,949	$3,350,000 · Jan '26
4 BR	$1,865,000	-	$1,865,000 · Mar '26

Unit	Date	Status	BR	BA	SF	Price	PPSF	Records
4M	Jun 25, 2026	Active	1	1	909	$699,000	$769	RLS20099893
6JK	Mar 26, 2026	Closed	4	2	1,136	$1,865,000	$1,642	RLS20051615 ACRIS
3LK	Jan 9, 2026	Closed	3	3	1,136	$3,350,000	$2,949	RLS11018029 ACRIS
3J	Jul 25, 2024	Closed	Studio	1	540	$550,000	$1,037	RLS10962280 ACRIS
3M	Dec 19, 2022	Closed	1	1	909	$740,000	$814	RLS10814934 ACRIS
4L	Jan 19, 2022	Closed	1	1	750	$919,000	$1,213	RLS10867481 ACRIS
4L	Sep 9, 2017	Closed	1	1	750	-	$1,167	RLS10477314
4L	Jun 6, 2017	Closed	1	1	750	$875,000	$1,167	RLS10471410 ACRIS
2J	Jan 30, 2017	Closed	Studio	1	530	$639,000	$1,206	RLS10090218 ACRIS
4M	Oct 16, 2014	Closed	1	1	909	$826,000	$909	RLS10047104 ACRIS
5J	Feb 10, 2014	Closed	1	1	-	$542,000	-	RLS10077204 ACRIS
6M	Jan 6, 2014	Closed	1	1	-	$835,000	-	RLS10101600 ACRIS