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Colonial Mews - 323 East 21st Street, New York, NY 10010 Property Information

Colonial Mews - 323 East 21st Street, New York, NY 10010 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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Colonial Mews - 323 East 21st Street, New York, NY 10010 4
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Address

Building name Colonial Mews
Primary address Colonial Mews - 323 East 21st Street
Secondary address 323 Rear E 21st St
Neighborhood Gramercy Park
Zip code 10010
Borough Manhattan
Block & lot 00927-0015

Sales & Tax Overview for 323 East 21st Street, New York

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Tax class
Estimated property tax $180,388

Lot & Building Information for 323 East 21st Street, New York

Lot sq. ft. 2,500
Lot dimensions 25 ft x 100 ft
Property type Walk-up Cooperative Building (Other than Condominiums) (XC6)
Building sqft 11,718
Building dimensions 25 ft x 64 ft
Buildings on lot 2
Stories 5
Year built 1910
Frontage(s) East 21 Street (narrow)
Nearest wide street 1 Avenue
Distance to wide street
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Zoning & Use for 323 East 21st Street, New York

Zoning
Residential units (DOF) 18
Residential sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 2
Community district 6
Closest police station 0.75 Miles
Closest fire station 0.35 Miles

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 323 East 21st Street, New York

New York property reports include comprehensive occupancy, development and violation information. Create a free account to access valuable data points such as:

Floor area ratio (FAR) for Colonial Mews - 323 East 21st Street, New York, NY 10010, including commercial and residential FAR, FAR as built and usable floor area.
Development maps such as planimetric, zoning, urban landscape, and HPD alternative enforcement program maps.
Violations for Colonial Mews - 323 East 21st Street, New York, NY 10010, including DOB violations, ECB violations, HPD violations and 311 complaints.

Alternate Addresses

You will find all alternate addresses for the property in this section.

  • 323 Rear E 21st St, New York, NY 10010
  • 323 Front E 21st St, New York, NY 10010

About 323 East 21st Street, New York

What is the year built & the total sq. ft. for Colonial Mews - 323 East 21st Street, New York, NY 10010?

Colonial Mews - 323 East 21st Street, New York, NY 10010 was built in 1910 and has a total of 11,718 square feet.

What is the assessed value of Colonial Mews - 323 East 21st Street, New York, NY 10010 and the property tax paid?

Assessed at $1,711,350, the tax amount paid for Colonial Mews - 323 East 21st Street, New York, NY 10010 is $187,990. For the next year, the tax amount for Colonial Mews - 323 East 21st Street, New York, NY 10010 is estimated at $180,388.

When was Colonial Mews - 323 East 21st Street, New York, NY 10010 last sold?

Colonial Mews - 323 East 21st Street, New York, NY 10010 was last sold in 04/07/1983.

How many residential units does this building have?

This building has 18 residential unit(s).

Ownership Information for 323 East 21st Street, New York

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Property owner name for Colonial Mews - 323 East 21st Street, New York, NY 10010
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Building contacts for Colonial Mews - 323 East 21st Street, New York, NY 10010
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
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Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
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New Yorkers planning a move to the suburbs increasingly find their options limited, after suburban home values shot up twice as fast as NYC medians over the last decade. While larger homes and better prices were long the norm outside the five boroughs, today, many NYC buyers find their option restricted to a handful of suburban markets.
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Past Sales & Property History for 323 East 21st Street, New York

Create a free account to view the complete sales history for 323 East 21st Street, New York, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

No recorded sales for this property.

Title Documents for 323 East 21st Street, New York

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Doc image
12/29/2025 - D
01/06/2026 - R
Satisfaction of Mortgage
(2025123000909001)
12/23/2025 - R UCC3 Termination
(2025122200534001)
12/22/2025 - R UCC3 Termination
(2025122200420001)
12/19/2025 - R UCC3 Amendment
(2025121900069001)
11/14/2025 - D
11/26/2025 - R
Asgn of Asgn of L&R
(2025111800535008)
11/14/2025 - D
11/26/2025 - R
Assignment, Mortgage
(2025111800535007)
11/14/2025 - D
11/26/2025 - R
Assignment of Leases and Rents
(2025111800535006)
11/14/2025 - D
11/26/2025 - R
Mortgage
(2025111800535005)
11/14/2025 - D
11/26/2025 - R
Asgn of Asgn of L&R
(2025111800535004)
11/14/2025 - D
11/26/2025 - R
Assignment, Mortgage
(2025111800535003)
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R: Recorded date
D: Document date

Property Taxes for 323 East 21st Street, New York

Access detailed property tax data for Colonial Mews - Colonial Mews - 323 East 21st Street, New York, NY 10010. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax: $175,765
Estimated property tax: $180,388
Tax assessor's market value: $3,803,000
Assessed value: $1,711,350
Exemptions granted by city:

Assessment History for 323 East 21st Street, New York

Here's the assessment & property tax history for 323 East 21st Street, New York, including the evolution of the total tax rate and corresponding property tax.

Year Market value Assessed value Taxable Tax rate % Base tax Property tax Year over year change
2025/26 $3,803,000 $1,711,350 $1,511,300 12.439% $188,560 $175,554 +5.47%
2024/25 $3,551,000 $1,597,950 $1,444,010 12.5% $181,039 $166,445 +3.05%
2023/24 $3,522,000 $1,584,900 $1,415,340 12.502% $177,526 $161,513 +3.86%
2022/23 $3,342,000 $1,503,900 $1,388,320 12.267% $170,892 $155,507 +4.57%
2021/22 $3,054,000 $1,374,300 $1,336,430 12.235% $164,114 $148,714 -7.18%

Permits for 323 East 21st Street, New York

The complete history of permits filed for 323 East 21st Street, New York, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Filing date Job type Job status Job description Initial cost
07/11/2025 Alteration
11/06/2017 Alteration type 2
08/22/2017 Alteration type 3
08/22/2017 Alteration type 3
02/16/2011 Alteration type 2
11/18/2010 Alteration type 2
11/18/2010 Alteration type 2
09/21/1993 Alteration type 2
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Gramercy Park Residential Market Stats

Access a detailed real estate market overview of Gramercy Park so you can assess current trends, home values, types of properties sold and transaction volume.
View the median home sale price in Gramercy Park and compare it to other neighborhoods in Manhattan.

Median Sale Price
$932,500
-28.3% YoY
Median Price/Sqft
$1,438
-16.3% YoY
Manhattan Median Sale Price
$1,200,000
9.3% YoY

Check out recently sold homes in Manhattan and see how their prices compare.

Risk

FEMA flood zone(s): X (See more on map)
Hurricane evacuation zone: 3 (See more on map)

Transportation

Distance to Subway
Closest station 1st Ave & 14th St at NE Corner
Station lines L
Distance (miles) 0.342
View subway map
Bus Routes
Name 1 Av/E 20 St (M23 Non-Stop)
Line M23+
Distance (miles) 0.08

Schools

Nearest elementary schools

Name Rating Att. zoned Type Grade range No of students Distance to school (mi)
P.S. 40 Augustus St.-Gaudens 8 Yes Public PK, K-5 577 0.08
P.S. 40 Augustus St.-Gaudens 8 Yes Public PK, K-5 577 0.08
Learning Spring School NR No Private K-8 189 0.11
The Epiphany School NR No Private PK-8 501 0.11
The Epiphany School NR No Private PK-8 501 0.11

Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance to school (mi)
Jhs 104 Simon Baruch 8 Yes Public 6-8 891 0.03
Ms 255 Salk School Of Science 9 No Public 6-8 364 0.08
Learning Spring School NR No Private K-8 189 0.11
The Epiphany School NR No Private PK-8 501 0.11
Epiphany Elementary School NR No Private PK, K-8 552 0.12

Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance to school (mi)
American Sign Language & English Secondary School NR No Public 9-12 202 0.18
United Nations International School NR No Private PK-12 1,615 0.19
Institute For Collaborative Education 8 No Public 6-12 476 0.27
High School for Health Professions & Human Services 7 No Public 9-12 1,627 0.27
P.S. 226 NR No Public PK, K-12 280 0.27

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 323 East 21st Street, New York

Here are the neighbors for Colonial Mews - Colonial Mews - 323 East 21st Street, New York, NY 10010.

Address Square feet Purchase date Purchase price
335 E 21st St, New York 5,100 03/03/2021 $6,300,000
315 E 21st St, New York 44,919 06/19/2001
345 1st Ave, New York 3,900 03/15/1991
365 1st Ave, New York 12,500 05/30/2014
305 E 21st St, New York 21,356 06/27/2023 $8,000,000
344-360 2nd Ave, New York 177,800
361 1st Ave, New York 5,096 03/21/2014 $5,600,000
319 E 21st St, New York 24,190 12/27/2007 $2,651,559
347 1st Ave, New York 7,640 04/02/2001
332 E 20th St, New York 7,925
325 E 21st St, New York 21,029 08/10/1978
341 E 21st St, New York 3,234 10/01/1984
329 E 21st St, New York 36,700
337 E 21st St, New York 5,100 03/03/2021 $6,300,000
363 1st Ave, New York 4,839 09/06/1984
371 1st Ave, New York 15,838 02/21/1986
367 1st Ave, New York 5,702 05/15/2002
301 E 21st St, New York 185,127 05/08/2015 $167,500,000
352 E 20th St, New York 2,528 05/23/2011
304 E 20th St, New York 56,310 10/06/2010
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