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  5. 4 W 21st St
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4 W 21st St

4 W 21st St, Manhattan, NY, 10010

YEAR BUILT

2005

# STORIES

17

# TOTAL UNITS

52

UNIT SIZE RANGE

790-3,000 sqft

Description

4 W 21st St is a high-rise building in Manhattan's Flatiron District. This 17-story building was completed in 2005. It has a modern design by architect Hugh Hardy, with stylish interiors crafted by Anthony Todd. The building offers a total of 52 units, ranging from 790 to 3,000 square feet. Living in this building means having choices. There are 1, 2, 3, and even 4-bedroom units available. Prices for the units range from $2,350,000 to $2,650,000. The average sold price over the last year is around $1,323,334 with the lowest around $1,185,000. The average price per square foot is about $853. The building enjoys nice city views. Floor-to-ceiling windows let in plenty of natural light, giving a bright and airy feel. Residents can also enjoy loft-like ceilings with reported heights of 10 feet. Modern chef's kitchens come equipped with high-end appliances from Sub-Zero and Miele. Amenities add to the building's appeal. There is a 24-hour doorman for security and convenience. A fitness center keeps residents active, while a children's play area makes it family-friendly. A parking garage provides ease for those with vehicles. Landscaped common areas give space for relaxation. This building is pet-friendly and allows for flexible living arrangements. It permits unlimited subletting, pied-à-terres, co-purchasing, gifting, and parents buying for children. The location is prime, with Madison Square Park, Union Square Park, and Eataly just a short distance away. Multiple subway lines ensure easy access throughout the city. The average days on market for units in this building is 130 days. Nearby, Laurie Greenberg Ph.D. and Clarity Media Group Inc offer educational resources. The closeness to West 23rd Street and 6th Avenue adds to the building's strong connection to the city’s rhythm.

Building ImageMLS ID #RLS20070160
Building ImageMLS ID #RLS20070160
Building Image
Building ImageView Listing

4 W 21st St

4 W 21st St, Manhattan, NY, 10010

YEAR BUILT

2005

# STORIES

17

# TOTAL UNITS

52

UNIT SIZE RANGE

790-3,000 sqft

Description

4 W 21st St is a high-rise building in Manhattan's Flatiron District. This 17-story building was completed in 2005. It has a modern design by architect Hugh Hardy, with stylish interiors crafted by Anthony Todd. The building offers a total of 52 units, ranging from 790 to 3,000 square feet. Living in this building means having choices. There are 1, 2, 3, and even 4-bedroom units available. Prices for the units range from $2,350,000 to $2,650,000. The average sold price over the last year is around $1,323,334 with the lowest around $1,185,000. The average price per square foot is about $853. The building enjoys nice city views. Floor-to-ceiling windows let in plenty of natural light, giving a bright and airy feel. Residents can also enjoy loft-like ceilings with reported heights of 10 feet. Modern chef's kitchens come equipped with high-end appliances from Sub-Zero and Miele. Amenities add to the building's appeal. There is a 24-hour doorman for security and convenience. A fitness center keeps residents active, while a children's play area makes it family-friendly. A parking garage provides ease for those with vehicles. Landscaped common areas give space for relaxation. This building is pet-friendly and allows for flexible living arrangements. It permits unlimited subletting, pied-à-terres, co-purchasing, gifting, and parents buying for children. The location is prime, with Madison Square Park, Union Square Park, and Eataly just a short distance away. Multiple subway lines ensure easy access throughout the city. The average days on market for units in this building is 130 days. Nearby, Laurie Greenberg Ph.D. and Clarity Media Group Inc offer educational resources. The closeness to West 23rd Street and 6th Avenue adds to the building's strong connection to the city’s rhythm.

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Description

4 W 21st St is a high-rise building in Manhattan's Flatiron District. This 17-story building was completed in 2005. It has a modern design by architect Hugh Hardy, with stylish interiors crafted by Anthony Todd. The building offers a total of 52 units, ranging from 790 to 3,000 square feet. Living in this building means having choices. There are 1, 2, 3, and even 4-bedroom units available. Prices for the units range from $2,350,000 to $2,650,000. The average sold price over the last year is around $1,323,334 with the lowest around $1,185,000. The average price per square foot is about $853. The building enjoys nice city views. Floor-to-ceiling windows let in plenty of natural light, giving a bright and airy feel. Residents can also enjoy loft-like ceilings with reported heights of 10 feet. Modern chef's kitchens come equipped with high-end appliances from Sub-Zero and Miele. Amenities add to the building's appeal. There is a 24-hour doorman for security and convenience. A fitness center keeps residents active, while a children's play area makes it family-friendly. A parking garage provides ease for those with vehicles. Landscaped common areas give space for relaxation. This building is pet-friendly and allows for flexible living arrangements. It permits unlimited subletting, pied-à-terres, co-purchasing, gifting, and parents buying for children. The location is prime, with Madison Square Park, Union Square Park, and Eataly just a short distance away. Multiple subway lines ensure easy access throughout the city. The average days on market for units in this building is 130 days. Nearby, Laurie Greenberg Ph.D. and Clarity Media Group Inc offer educational resources. The closeness to West 23rd Street and 6th Avenue adds to the building's strong connection to the city’s rhythm.

4 W 21st St Key Stats Last 12 months

Avg. Listed Price$1,857,500($937/Sqft.)
Avg. Sale Price$1,323,334($853/Sqft.)
Year over year list priceUp Arrow38.10%
Year over year sale priceDown Arrow 1.85%
Total Listings4 Listed
Total sold3 Sold
Average Days on Market130 days
Average HOA fees per sqft$1 /monthly
Next

Key Stats

Year over year list priceUp Arrow38.10%
Year over year sale priceDown Arrow1.85%
Total Listings4 Listed
Total sold3 Sold
Average Days on Market130 days
Average HOA fees per sqft$1 /monthly

Glen Gardens Estate Availability & Demand

Unit Availability

Medium
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

Medium
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 Sold Listings

UnitSize (sqft)BedsBathsDays On MarketDateStatusPrice
Unit 16A16A1444221902026-03-18
MLS#: RLS20047271 		Closed$1,550,000
Unit 9A9A122522312015-04-20
MLS#: RLS10096904 		Closed$0
Unit 3B3B14752312015-01-28
MLS#: RLS10083276 		Closed$0
Unit 10B10B1658331842014-08-11
MLS#: RLS10066650 		Closed$0
Unit 10B
10B

3 Beds

3 Baths

1658 sqft

DateStatusPrice
2014-08-11Closed$0
MLS#: RLS10066650
Days On Market184
Unit 16A
16A

2 Beds

2 Baths

1444 sqft

DateStatusPrice
2026-03-18Closed$1,550,000
MLS#: RLS20047271
Days On Market190
Unit 3B
3B

2 Beds

3 Baths

1475 sqft

DateStatusPrice
2015-01-28Closed$0
MLS#: RLS10083276
Days On Market1
Unit 9A
9A

2 Beds

2 Baths

1225 sqft

DateStatusPrice
2015-04-20Closed$0
MLS#: RLS10096904
Days On Market31
View Complete Unit Listing HistorySource By: REBNY

Amenities

This condo offers a range of appealing amenities to make life enjoyable. Picture yourself unwinding by the pool on warm afternoons. A well-equipped fitness center invites you to stay active without leaving home. If you enjoy hosting, the party room is perfect for gatherings with friends. Many residents find joy in the convenience of nearby parks, ideal for leisurely strolls or picnics. Biking enthusiasts will love the nearby trails that connect to scenic routes. Whether you are relaxing by the pool or hitting the gym, this building has something for everyone.

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Amenities Description

This condo offers a range of appealing amenities to make life enjoyable. Picture yourself unwinding by the pool on warm afternoons. A well-equipped fitness center invites you to stay active without leaving home. If you enjoy hosting, the party room is perfect for gatherings with friends. Many residents find joy in the convenience of nearby parks, ideal for leisurely strolls or picnics. Biking enthusiasts will love the nearby trails that connect to scenic routes. Whether you are relaxing by the pool or hitting the gym, this building has something for everyone.

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

The building's policies create a friendly and inviting environment. You’ll find that both cats and dogs are welcome, which is great for pet owners. This means you can enjoy life with your furry friends around you. A few guidelines help maintain a peaceful atmosphere for all residents. For instance, there are limits on the number of occupants allowed in each condo. Before moving in, be prepared for a deposit to secure your new home. These policies ensure that the community remains vibrant and pleasant for everyone. Living here means embracing a comfortable lifestyle with your pets by your side.

Next

Amenities Description

The building's policies create a friendly and inviting environment. You’ll find that both cats and dogs are welcome, which is great for pet owners. This means you can enjoy life with your furry friends around you. A few guidelines help maintain a peaceful atmosphere for all residents. For instance, there are limits on the number of occupants allowed in each condo. Before moving in, be prepared for a deposit to secure your new home. These policies ensure that the community remains vibrant and pleasant for everyone. Living here means embracing a comfortable lifestyle with your pets by your side.

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$908/sqft.$1 /sqft.
16 W 21st St$1,207/sqft.$1 /sqft.
21 W 20th St$2,056/sqft.$1 /sqft.
141 5th Ave$1,787/sqft.$1 /sqft.
7 E 20th St$1,405/sqft.$1 /sqft.

Nearby Schools

Manhattan Village Academy

A+
Public|Grades 9–12
43 W 22nd St|0.12 miles away

Ballet Tech/Nyc Public School for Dance

A
Public|Grades 4–8
890 Broadway|0.15 miles away

Sixth Avenue Elementary School

A
Public|Grades PK–3
64 W 17th St|0.23 miles away

Xavier High School

--
Private|Grades 9–12
30 W 16th St|0.25 miles away

Ecole Internationale de New York - the Ecole

--
Private|Grades PK–8
111 E 22nd St Fl 3|0.28 miles away

Avenues the World School

--
Private|Grades PK–12
11 E 26th St Fl 17|0.29 miles away
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Schools

arrow rightWhat to know about schoolsarrow right
Next

Description

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

Success Academy Charter School-Union Square

A
Public|Grades KG–8
40 Irving Pl Fl 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

Gramercy Arts High School

C
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

Academy for Software Engineering

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

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 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

Nyc Lab Middle School for Collaborative Studies

A-
Public|Grades 6–8
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

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

Corlears School

--
Private|Grades PK–5
324 W 15th 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

Manhattan Business Academy

C
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

Humanities Preparatory Academy

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

Quest to Learn

D+
Public|Grades 6–12
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

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

High School for Health Professions & Human Services

B-
Public|Grades 9–12
345 E 15th St|Less than 1 Mile Away

Transit

10 AV/W 16 ST

0.85 miles away|17 min walk

10 AV/W 18 ST

0.84 miles away|17 min walk

10 AV/W 19 ST

0.83 miles away|16 min walk

10 AV/W 21 ST

0.82 miles away|16 min walk

10 AV/W 23 ST

0.83 miles away|16 min walk

10 AV/W 25 ST

0.86 miles away|17 min walk
Next

Transit

arrow rightWhat to know about transitarrow right
Next

Description

10 AV/W 16 ST

0.85 miles away|17 min walk

10 AV/W 18 ST

0.84 miles away|17 min walk

10 AV/W 19 ST

0.83 miles away|16 min walk

10 AV/W 21 ST

0.82 miles away|16 min walk

10 AV/W 23 ST

0.83 miles away|16 min walk

10 AV/W 25 ST

0.86 miles away|17 min walk

10 AV/W 27 ST

0.89 miles away|18 min walk

10 AV/W 30 ST

0.95 miles away|19 min walk

10 AV/W 34 ST

1.05 miles away|21 min walk

10 AV/W 37 ST

1.16 miles away|23 min walk

10 AV/W 40 ST

1.25 miles away|25 min walk

10 AV/W 42 ST

1.35 miles away|26 min walk

10 AV/W 45 ST

1.47 miles away|29 min walk

10 AV/W 47 ST

1.56 miles away|30 min walk

10 AV/W 49 ST

1.64 miles away|32 min walk

10 AV/W 53 ST

1.79 miles away|35 min walk

10 AV/W 55 ST

1.9 miles away|37 min walk

10 AV/W 57 ST

1.97 miles away|38 min walk

11 AV/W 15 ST

0.92 miles away|18 min walk

11 AV/W 18 ST

0.95 miles away|19 min walk

11 AV/W 23 ST

1.01 miles away|20 min walk

11 AV/W 26 ST

1.04 miles away|20 min walk

11 AV/W 29 ST

1.08 miles away|21 min walk

11 AV/W 34 ST

1.19 miles away|23 min walk

11 AV/W 38 ST

1.31 miles away|26 min walk

11 AV/W 42 ST

1.44 miles away|28 min walk

11 AV/W 44 ST

1.52 miles away|30 min walk

11 AV/W 47 ST

1.65 miles away|32 min walk

11 AV/W 50 ST

1.77 miles away|34 min walk

11 AV/W 54 ST

1.92 miles away|37 min walk

11th Ave & W 15th St

0.92 miles away|18 min walk

11th Ave & W 17th St

0.93 miles away|18 min walk

12 AV/W 23 ST

1.04 miles away|20 min walk

12 AV/W 27 ST

1.18 miles away|23 min walk

12 AV/W 30 ST

1.26 miles away|25 min walk

12 AV/W 33 ST

1.31 miles away|26 min walk

12 AV/W 40 ST

1.51 miles away|29 min walk

12 AV/W 42 ST

1.6 miles away|31 min walk

12 Av/W 43 St

1.59 miles away|31 min walk

12 AV/W 43 ST

1.59 miles away|31 min walk

12 Av/W 46 St

1.68 miles away|33 min walk

12 AV/W 46 ST

1.68 miles away|33 min walk

12 AV/W 48 ST

1.76 miles away|34 min walk

12 AV/W 52 ST

1.92 miles away|37 min walk

12th Ave & W 27th St

1.17 miles away|23 min walk

12th Ave & W 33rd St

1.32 miles away|26 min walk

12th St & W 42nd Ave

1.56 miles away|30 min walk

14 St

0.3 miles away|6 min walk

14 St-Union Sq

0.33 miles away|7 min walk

14th Street

0.35 miles away|7 min walk

The Neighbourhood: The Flatiron District

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.

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4 W 21st St Demographics

This neighborhood indicates a good mix of people which makes it a good place for families. About 7.78% are children aged 0–14, 29.28% are young adults between 15–29, 26.59% are adults aged 30–44, 16.57% are in the 45–59 range and 19.77% are seniors aged 60 and above. Commuting options are also varying where 41.14% of residents relying on public transit, while others prefer walking around 27.03%, driving around 5.67%, biking around 3.45%, allowing residents to choose travel modes that best fit their daily routines. Most homes in the area are with 68.61% of units are rented and 31.39% are owner occupied. The neighborhood offers different household types. About 13.26% are single family homes and 1.22% are multi family units. Around 54.9% are single-person households, while 45.1% are multi person households. This mix works well for families, roommates, and individuals. Education levels in the neighborhood vary widely where 42.79% of residents have bachelor’s degrees. Around 5.49% have high school or college education. Another 2.56% hold diplomas while 38.75% have completed postgraduate studies. The remaining are 10.41% with other types of qualifications.

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Demographics Description

This neighborhood indicates a good mix of people which makes it a good place for families. About 7.78% are children aged 0–14, 29.28% are young adults between 15–29, 26.59% are adults aged 30–44, 16.57% are in the 45–59 range and 19.77% are seniors aged 60 and above. Commuting options are also varying where 41.14% of residents relying on public transit, while others prefer walking around 27.03%, driving around 5.67%, biking around 3.45%, allowing residents to choose travel modes that best fit their daily routines. Most homes in the area are with 68.61% of units are rented and 31.39% are owner occupied. The neighborhood offers different household types. About 13.26% are single family homes and 1.22% are multi family units. Around 54.9% are single-person households, while 45.1% are multi person households. This mix works well for families, roommates, and individuals. Education levels in the neighborhood vary widely where 42.79% of residents have bachelor’s degrees. Around 5.49% have high school or college education. Another 2.56% hold diplomas while 38.75% have completed postgraduate studies. The remaining are 10.41% with other types of qualifications.

Age Demographics

7.78% (0 - 14 years old)

29.28% (15 - 29 years old)

26.59% (30 - 44 years old)

16.57% (45 - 59 years old)

19.77% (60+ years old)

Commute

41.14%

Transit

27.03%

Walk

5.67%

Drive

3.45%

Bike

Housing Ownership

31.39%

Owner Occupied

68.61%

Rental Units

Household Types

13.26%

Single Family

1.22%

Multi Family

54.9%

Single Person

45.1%

Multi Person

Education

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

Education

Diploma2.56%
Post Graduate38.75%
Others10.41%
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  2. /New York, NY
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    4 W 21st St
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Century21, Awaye Realty

Arlene Waye

526 Court Street

Brooklyn, NY 11231

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