HeaderIcon
  1. Agent Logo

Explore by Metro

  • Atlanta
  • Baltimore
  • Boston
  • Bronx
  • Brooklyn
  • Chicago
  • Los Angeles
  • Manhattan
  • Miami
  • Nashville
  • Orlando
  • Philadelphia
  • Phoenix
  • Queens
  • San Diego
  • San Jose
  • Tampa
  • Washington
HeaderIcon

Explore by Metro

  • Atlanta
  • Baltimore
  • Boston
  • Bronx
  • Brooklyn
  • Chicago
  • Los Angeles
  • Manhattan
  • Miami
  • Nashville
  • Orlando
  • Philadelphia
  • Phoenix
  • Queens
  • San Diego
  • San Jose
  • Tampa
  • Washington
leftArrowBack to Search
  1. Home
  2. /
  3. Manhattan, NY
  4. /
  5. 4 W 21st St
Add to favoritesAdd to favorites (hover)
Save
leftArrow
Add to favoritesAdd to favorites (hover)

4 W 21st St

4 W 21st St Unit 16a, Manhattan, NY, 10010

YEAR BUILT

2006

# STORIES

17

# TOTAL UNITS

41

UNIT SIZE RANGE

790-2,258 sqft

Description

4 W 21st St Unit 16A stands tall in Manhattan’s Flatiron District. This high-rise building has 17 stories and contains 41 condominium units. The building has a modern look and was constructed in 2006. Residents enjoy views of the vibrant city skyline, with plenty of natural light pouring in through the floor-to-ceiling windows. Unit sizes range from 790 to 2,258 square feet. These units come with 1, 2, or 3 bedrooms, offering options for different needs. In the past year, the lowest sold price reached around $1,185,000. The average closing price sits at approximately $1,323,334, which translates to about $853 per square foot. Units typically spend around 130 days on the market. Nearby, there are many choices for dining. Restaurants like Balance provide a variety of cuisines. Local public schools include Laurie Greenberg Ph.D. and Clarity Media Group Inc, which are close for family needs. The area is a blend of serene city views and urban energy that enhances daily life. Several reliable features enhance the living experience here. Many units have loft-like layouts and good ceiling heights. Some units even have private outdoor spaces, allowing residents to enjoy fresh air. This building’s construction and design provide a feeling of openness while still catering to city life. The building’s location adds to its appeal. It sits near the intersection of East 23rd Street and Park Avenue South. Residents value the proximity to parks, shops, and main roads. The closeness to the East River provides a calming backdrop amid the city’s hustle. A bustling neighborhood atmosphere complements the serene views from this desirable building.

Building ImageMLS ID #RLS20047271
Building ImageView Listing

4 W 21st St

4 W 21st St Unit 16a, Manhattan, NY, 10010

YEAR BUILT

2006

# STORIES

17

# TOTAL UNITS

41

UNIT SIZE RANGE

790-2,258 sqft

Description

4 W 21st St Unit 16A stands tall in Manhattan’s Flatiron District. This high-rise building has 17 stories and contains 41 condominium units. The building has a modern look and was constructed in 2006. Residents enjoy views of the vibrant city skyline, with plenty of natural light pouring in through the floor-to-ceiling windows. Unit sizes range from 790 to 2,258 square feet. These units come with 1, 2, or 3 bedrooms, offering options for different needs. In the past year, the lowest sold price reached around $1,185,000. The average closing price sits at approximately $1,323,334, which translates to about $853 per square foot. Units typically spend around 130 days on the market. Nearby, there are many choices for dining. Restaurants like Balance provide a variety of cuisines. Local public schools include Laurie Greenberg Ph.D. and Clarity Media Group Inc, which are close for family needs. The area is a blend of serene city views and urban energy that enhances daily life. Several reliable features enhance the living experience here. Many units have loft-like layouts and good ceiling heights. Some units even have private outdoor spaces, allowing residents to enjoy fresh air. This building’s construction and design provide a feeling of openness while still catering to city life. The building’s location adds to its appeal. It sits near the intersection of East 23rd Street and Park Avenue South. Residents value the proximity to parks, shops, and main roads. The closeness to the East River provides a calming backdrop amid the city’s hustle. A bustling neighborhood atmosphere complements the serene views from this desirable building.

Next

Description

4 W 21st St Unit 16A stands tall in Manhattan’s Flatiron District. This high-rise building has 17 stories and contains 41 condominium units. The building has a modern look and was constructed in 2006. Residents enjoy views of the vibrant city skyline, with plenty of natural light pouring in through the floor-to-ceiling windows. Unit sizes range from 790 to 2,258 square feet. These units come with 1, 2, or 3 bedrooms, offering options for different needs. In the past year, the lowest sold price reached around $1,185,000. The average closing price sits at approximately $1,323,334, which translates to about $853 per square foot. Units typically spend around 130 days on the market. Nearby, there are many choices for dining. Restaurants like Balance provide a variety of cuisines. Local public schools include Laurie Greenberg Ph.D. and Clarity Media Group Inc, which are close for family needs. The area is a blend of serene city views and urban energy that enhances daily life. Several reliable features enhance the living experience here. Many units have loft-like layouts and good ceiling heights. Some units even have private outdoor spaces, allowing residents to enjoy fresh air. This building’s construction and design provide a feeling of openness while still catering to city life. The building’s location adds to its appeal. It sits near the intersection of East 23rd Street and Park Avenue South. Residents value the proximity to parks, shops, and main roads. The closeness to the East River provides a calming backdrop amid the city’s hustle. A bustling neighborhood atmosphere complements the serene views from this desirable building.

4 W 21st St Market Stats Last 12 months

Avg. Listed Price$1,345,000($921/Sqft.)
Avg. Sale Price$1,323,334($853/Sqft.)
Year over year list price00.00%
Year over year sale priceDown Arrow 1.85%
Total Listings5 Listed
Total sold3 Sold
Average Days on Market130 days
Average HOA fees per sqft$1 /monthly
Next

Market Stats

Year over year list price00.00%
Year over year sale priceDown Arrow1.85%
Total Listings5 Listed
Total sold3 Sold
Average Days on Market130 days
Average HOA fees per sqft$1 /monthly

Glen Gardens Estate Availability & Demand

Unit Availability

Low
High availability buildings list units frequently.

Unit Availability helps to understand how often units in a particular building are listed for sale as compared with the neighborhood average. Units are rarely listed in buildings with low availability.

Unit Demand

-
Units in high-demand buildings sell quicker.

Unit Demand is a measure of quickly units in a particular building sell as compared with other buildings in the neighborhood. Units in high-demand buildings sell more quickly.

For Sale 0 For Sale

4 W 21st St Inventory & Sale History

UnitSize (sqft)BedsBathsDays On MarketDateStatusPrice
Unit PHPH-227072014-10-16
MLS#: RLS10082095 		Closed$0
Unit 10B10B1658331842014-08-11
MLS#: RLS10066650 		Closed$0
Unit 14B14B167433832013-09-10
MLS#: RLS10051110 		Closed$2,650,000
Unit 10B
10B

3 Beds

3 Baths

1658 sqft

DateStatusPrice
2014-08-11Closed$0
MLS#: RLS10066650
Days On Market184
Unit 14B
14B

3 Beds

3 Baths

1674 sqft

DateStatusPrice
2013-09-10Closed$2,650,000
MLS#: RLS10051110
Days On Market83
Unit PH
PH

2 Beds

2 Baths

- sqft

DateStatusPrice
2014-10-16Closed$0
MLS#: RLS10082095
Days On Market707
View Complete Unit Listing HistorySource By: REBNY

Amenities

Parking
Parking
Locker
Locker
Concierge
Concierge
Elevator(s)
Elevator(s)
Central AC
Central AC
Pool
Pool
Fitness Center
Fitness Center
-
Visitors Parking
Visitors Parking

Policies

Pet Allowed
Pet Allowed
BBQ Permitted
BBQ Permitted
Sublet Allowed
Sublet Allowed
Short-term Rental Allowed
Short-term Rental Allowed

Compare with Buildings in the Neighbourhood (Last 12 Months)

Compare building's average price/sq. ft. and HOA fees/sq. ft. to buildings nearby

Building NameAvg price per square footAVG HOA FEE per square foot (Monthly)
4 W 21st St$853/sqft.$1 /sqft.
4 W 21st St$853/sqft.$1 /sqft.
21 W 20th St$2,056/sqft.$1 /sqft.
7 E 20th St$1,405/sqft.$1 /sqft.
16 W 19th St$1,456/sqft.$1 /sqft.
5 E 22nd St$2,096/sqft.$1 /sqft.

Nearby Schools

Discover top-rated schools located close to 4 W 21st St.

Manhattan Village Academy

A+
Public|Grades 9–12
43 W 22nd St|0.15 miles away

Ballet Tech/Nyc Public School for Dance

A
Public|Grades 4–8
890 Broadway|0.2 miles away

Sixth Avenue Elementary School

A
Public|Grades PK–3
64 W 17th St|0.3 miles away

Xavier High School

--
Private|Grades 9–12
30 W 16th St|0.32 miles away

Ecole Internationale de New York - the Ecole

--
Private|Grades PK–8
111 E 22nd St Fl 3|0.38 miles away

Avenues the World School

--
Private|Grades PK–12
11 E 26th St Fl 17|0.38 miles away
Next

Schools

Manhattan Village Academy

A+
Public|Grades 9–12
43 W 22nd St|Less than 1 Mile Away

Ballet Tech/Nyc Public School for Dance

A
Public|Grades 4–8
890 Broadway|Less than 1 Mile Away

Sixth Avenue Elementary School

A
Public|Grades PK–3
64 W 17th St|Less than 1 Mile Away

Xavier High School

--
Private|Grades 9–12
30 W 16th St|Less than 1 Mile Away

Ecole Internationale de New York - the Ecole

--
Private|Grades PK–8
111 E 22nd St Fl 3|Less than 1 Mile Away

Avenues the World School

--
Private|Grades PK–12
11 E 26th St Fl 17|Less than 1 Mile Away

Clinton School (The)

B+
Public|Grades 6–12
10 E 15th St|Less than 1 Mile Away

Baruch College Campus High School

A
Public|Grades 9–12
55 E 25th St|Less than 1 Mile Away

School of the Future High School

B-
Public|Grades 6–12
127 E 22nd St|Less than 1 Mile Away

Harvest Collegiate High School

C+
Public|Grades 9–12
34 W 14th St|Less than 1 Mile Away

Academy for Software Engineering

C-
Public|Grades 9–12
40 Irving Pl|Less than 1 Mile Away

Gramercy Arts High School

C
Public|Grades 9–12
40 Irving Pl|Less than 1 Mile Away

High School for Language and Diplomacy (The)

D+
Public|Grades 9–12
40 Irving Pl|Less than 1 Mile Away

International High School at Union Square

C+
Public|Grades 9–12
40 Irving Pl|Less than 1 Mile Away

Union Square Academy for Health Sciences

C
Public|Grades 9–12
40 Irving Pl|Less than 1 Mile Away

Success Academy Charter School-Union Square

A
Public|Grades KG–8
40 Irving Pl Fl PL...|Less than 1 Mile Away

Shefa School

--
Private|Grades 1–8
40 E 29th St|Less than 1 Mile Away

High School of Fashion Industries (The)

C
Public|Grades 9–12
225 W 24th St|Less than 1 Mile Away

Liberty High School Academy for Newcomers

D
Public|Grades 9–12
250 W 18th St|Less than 1 Mile Away

Aaron School K - 12

--
Private|Grades KG–12
42 E 30th St|Less than 1 Mile Away

Satellite Academy High School

F
Public|Grades 9–12
120 W 30th St|Less than 1 Mile Away

The Epiphany School

--
Private|Grades PK–8
234 E 22nd St|Less than 1 Mile Away

P.S. 41 Greenwich Village School

A
Public|Grades PK–5
116 W 11th St|Less than 1 Mile Away

American Sign Language and English Secondary School

--
Public|Grades 9–12
223 E 23rd St|Less than 1 Mile Away

The 47 American Sign Language and English Lower School

A
Public|Grades PK–8
223 E 23rd St|Less than 1 Mile Away

Learningspring School

--
Private|Grades KG–8
247 E 20th St|Less than 1 Mile Away

P.S. 11 William T. Harris School

B
Public|Grades KG–5
320 W 21st St|Less than 1 Mile Away

Friends Seminary

--
Private|Grades KG–12
222 E 16th St|Less than 1 Mile Away

Grace Church School

--
Private|Grades PK–12
86 4th Ave|Less than 1 Mile Away

Nyc Lab Middle School for Collaborative Studies

A-
Public|Grades 6–8
333 W 17th St|Less than 1 Mile Away

Nyc Museum School

B+
Public|Grades 9–12
333 W 17th St|Less than 1 Mile Away

Nyc Lab High School for Collaborative Studies

A
Public|Grades 9–12
333 W 17th St|Less than 1 Mile Away

The Atlas School

--
Private|Grades UG–UG
252 W 29th St Fl 3|Less than 1 Mile Away

Keswell School

--
Private|Grades UG–UG
331 W 25th St|Less than 1 Mile Away

Corlears School

--
Private|Grades PK–5
324 W 15th St|Less than 1 Mile Away

Middle School 255 Salk School of Science

A
Public|Grades 6–8
320 E 20th St|Less than 1 Mile Away

P.S. 40 Augustus Saint-Gaudens School

A+
Public|Grades KG–5
320 E 20th St|Less than 1 Mile Away

Quest to Learn

D+
Public|Grades 6–12
351 W 18th St|Less than 1 Mile Away

Manhattan Business Academy

C
Public|Grades 9–12
351 W 18th St|Less than 1 Mile Away

Landmark High School

D+
Public|Grades 9–12
351 W 18th St|Less than 1 Mile Away

James Baldwin School A School for Expeditionary Learning

F
Public|Grades 9–12
351 W 18th St|Less than 1 Mile Away

Humanities Preparatory Academy

A-
Public|Grades 9–12
351 W 18th St|Less than 1 Mile Away

Hudson High School of Learning Technologies

D+
Public|Grades 9–12
351 W 18th St|Less than 1 Mile Away

J.H.S. 104 Simon Baruch School

A
Public|Grades 6–8
330 E 21st St|Less than 1 Mile Away

Manhattan Comprehensive Night and Day High School

D
Public|Grades 10–12
240 2nd Ave|Less than 1 Mile Away

Unity Center for Urban Technologies

A
Public|Grades 9–12
111 E 33rd St|Less than 1 Mile Away

Murray Hill Academy

D
Public|Grades 9–12
111 E 33rd St|Less than 1 Mile Away

Manhattan Academy for Arts and Languages

D
Public|Grades 9–12
111 E 33rd St|Less than 1 Mile Away

Notre Dame School

--
Private|Grades 9–12
327 W 13th St|Less than 1 Mile Away

Institute for Collaborative Education

C+
Public|Grades 6–12
345 E 15th St|Less than 1 Mile Away

Transit

Experience convenience and connectivity with premium transit options just moments away.

14 St

0.39 miles away|8 min walk

14 St-Union Sq

0.44 miles away|9 min walk

14th Street

0.47 miles away|9 min walk

10 AV/W 21 ST

1.09 miles away|21 min walk

10 AV/W 19 ST

1.09 miles away|21 min walk

10 AV/W 23 ST

1.1 miles away|22 min walk
Next

Transit

14 St

0.39 miles away|8 min walk

14 St-Union Sq

0.44 miles away|9 min walk

14th Street

0.47 miles away|9 min walk

10 AV/W 21 ST

1.09 miles away|21 min walk

10 AV/W 19 ST

1.09 miles away|21 min walk

10 AV/W 23 ST

1.1 miles away|22 min walk

10 AV/W 18 ST

1.11 miles away|22 min walk

10 AV/W 16 ST

1.12 miles away|22 min walk

10 AV/W 25 ST

1.13 miles away|22 min walk

10 AV/W 27 ST

1.18 miles away|23 min walk

11 AV/W 15 ST

1.21 miles away|24 min walk

11th Ave & W 15th St

1.21 miles away|24 min walk

11th Ave & W 17th St

1.22 miles away|24 min walk

11 AV/W 18 ST

1.25 miles away|24 min walk

10 AV/W 30 ST

1.26 miles away|25 min walk

11 AV/W 23 ST

1.33 miles away|26 min walk

11 AV/W 26 ST

1.37 miles away|27 min walk

12 AV/W 23 ST

1.37 miles away|27 min walk

10 AV/W 34 ST

1.39 miles away|27 min walk

11 AV/W 29 ST

1.43 miles away|28 min walk

10 AV/W 37 ST

1.54 miles away|30 min walk

12th Ave & W 27th St

1.55 miles away|30 min walk

12 AV/W 27 ST

1.55 miles away|30 min walk

11 AV/W 34 ST

1.57 miles away|31 min walk

10 AV/W 40 ST

1.66 miles away|32 min walk

12 AV/W 30 ST

1.67 miles away|32 min walk

11 AV/W 38 ST

1.72 miles away|34 min walk

12 AV/W 33 ST

1.74 miles away|34 min walk

12th Ave & W 33rd St

1.75 miles away|34 min walk

10 AV/W 42 ST

1.79 miles away|35 min walk

11 AV/W 42 ST

1.9 miles away|37 min walk

10 AV/W 45 ST

1.95 miles away|38 min walk

12 AV/W 40 ST

1.99 miles away|39 min walk

11 AV/W 44 ST

2.01 miles away|39 min walk

10 AV/W 47 ST

2.06 miles away|40 min walk

12th St & W 42nd Ave

2.07 miles away|40 min walk

12 Av/W 43 St

2.1 miles away|41 min walk

12 AV/W 43 ST

2.1 miles away|41 min walk

12 AV/W 42 ST

2.12 miles away|41 min walk

10 AV/W 49 ST

2.17 miles away|42 min walk

11 AV/W 47 ST

2.18 miles away|42 min walk

12 Av/W 46 St

2.22 miles away|43 min walk

12 AV/W 46 ST

2.23 miles away|43 min walk

12 AV/W 48 ST

2.33 miles away|45 min walk

11 AV/W 50 ST

2.34 miles away|45 min walk

10 AV/W 53 ST

2.37 miles away|46 min walk

10 AV/W 55 ST

2.52 miles away|49 min walk

12 AV/W 52 ST

2.54 miles away|49 min walk

11 AV/W 54 ST

2.54 miles away|49 min walk

10 AV/W 57 ST

2.6 miles away|50 min walk

The Neighbourhood: 4 W 21st St

The Flatiron District is a historic, triangle-shaped neighborhood. The area features an iconic triangular landmark, lively restaurants, cafes, and small independent shops. Art galleries and design studios sit near tech offices and creative workspaces, and Madison Square Park offers green lawns, events, and places to sit and walk. Basic services include grocery stores, pharmacies, and fitness centers within short walking distance. Multiple subway lines, many buses, and bike-share docks give fast, direct transportation across the city. The district also hosts seasonal markets and small festivals.

Next

Neighbourhood Description

The Flatiron District is a historic, triangle-shaped neighborhood. The area features an iconic triangular landmark, lively restaurants, cafes, and small independent shops. Art galleries and design studios sit near tech offices and creative workspaces, and Madison Square Park offers green lawns, events, and places to sit and walk. Basic services include grocery stores, pharmacies, and fitness centers within short walking distance. Multiple subway lines, many buses, and bike-share docks give fast, direct transportation across the city. The district also hosts seasonal markets and small festivals.

Similar Buildings Nearby

Add to favoritesAdd to favorites (hover)
4 W 21st St
4 W 21st St, Manhattan, NY
Click to see listings
Add to favoritesAdd to favorites (hover)
133 W 22nd St
133 W 22nd St Unit 8g, Manhattan, NY
Click to see listings
Add to favoritesAdd to favorites (hover)
130 W 19th St
130 W 19th St, Manhattan, NY
Click to see listings
Add to favoritesAdd to favorites (hover)
22 N 6th St
22 N 6th St Unit 25d, Brooklyn, NY
Click to see listings
Add to favoritesAdd to favorites (hover)
4 W 21st St
4 W 21st St, Manhattan, NY
Click to see listings
Add to favoritesAdd to favorites (hover)
133 W 22nd St
133 W 22nd St Unit 8g, Manhattan, NY
Click to see listings
Add to favoritesAdd to favorites (hover)
130 W 19th St
130 W 19th St, Manhattan, NY
Click to see listings
View All Similar Buildings

4 W 21st St Demographics

Age Demographics

0–14 Years

7.78%

15–29 Years

29.27%

30–44 Years

26.6%

45–59 Years

16.58%

60+ Years

19.77%

Commute

41.15%

Transit

27.03%

Walk

5.67%

Drive

3.45%

Bike

Housing Ownership

31.4%

Owner Occupied

68.6%

Rental Units

Household Types

Single Family
13.26%
Multi Family
1.22%
Single Person
54.91%
Multi Person
45.09%

Average Income

Household:$12,577,788.25 /yr

Individual:$11,226,700.47 /yr

Education

Bachelors Degree42.79%
High School College5.49%
Diploma2.56%
Post Graduate38.75%
Others10.41%
Next

Education

Diploma2.56%
Post Graduate38.75%
Others10.41%
Get the HelloCondo Newsletter
Real-estate tips, insights, and market reports in your inbox.
Newsletter
  1. Home
  2. /New York, NY
  3. /
    4 W 21st St
Nearby Cities
Breezy Point
Bronx
Brooklyn
Cambria Heights
Corona
East Elmhurst
Far Rockaway
Forest Hills
Fresh Meadows
Glen Oaks
Howard Beach
Jackson Heights
Jamaica
Kew Gardens
Ozone Park
Rockaway Park
South Richmond Hill
Whitestone
Woodhaven
Woodside
Buildings
107 W 25th St
109 W 26th St
11 W 30th St
116 W 29th St
1200 Broadway
128 W 26th St Unit 10
130 W 30th St
131-133 West 28
143 W 27th St
144 W 27th Condominium
144 W 27th St
15 Hudson Yards
150 W 26th St
215 W 28th St
225 W 25th St
236 W 26th St
245 10th Ave
249 W 29th St
25 W 28th St
250 W 27th St
Neighborhoods
AllertonBattery Park CityBay Ridge
Bedford ParkBeechhurstChelseaColumbia Street Waterfront DistrictDouglastonGeorgetownHillcrestHollisLaureltonParkchesterSea GateSoundviewStuyvesant TownSunnysideThe Flatiron DistrictVan Cortlandt ParkWoodside
ZIP Codes
100131002610031
1003910153101651017610281104581045910468111HW1120311209112201141511419114361169211697
Community
10 East 43rd Street104 Bedford Street130 Jane Street
145 West 12th Street173 Riverside Drive226 East 12th Street30 West 60th Street308 West 97th Street32-23 90th Street33-15 81st Street33-52 81st Street34-30 78th Street35-11 85th Street350 West 56th Street39 Gramercy Park North4 West 105th Street43-33 46th Street438 12th Street47 Fort Washington Avenue50 East 13th Street
HelloCondo Logo
HelloCondo Logo
HelloCondo Is The #1 Condo Search Platform And Real Estate Recommendation Engine. Search, Find And Buy The Perfect Condo And Get Matched With The Best Agents. Finding A Condo Has Never Been So Easy.

HelloCondo is a division of HelloCasa, LLC

FacebookIconInstagramIconXIconRedditIcon

HelloCondo

Find A RealtorTerms of UsePrivacy PolicyCalifornia Privacy NoticeAccessibility PolicyCCPA Notice on CollectionDMCABrowseNYS Standard Operating ProcedureNYS Fair Housing Notice

Contact

LocationIcon
300 Galleria Pkwy SE, Suite 1500,
Atlanta, GA 30339
PhoneICon
(855) 625-0319
EmailIConhello@hellocondo.com
Contact Us

For Sale

Condos for saleTownhomes for sale
AgentIcon
LocationIcon

Century21, Awaye Realty

Arlene Waye

526 Court Street

Brooklyn, NY 11231

PhoneICon(718) 488-0800
EmailIConawaye@c21awayerealty.com
© HelloCondo 2025. All Rights Reserved.