Manhattan  »  10010  »  E 21st St  »  343 E 21st St

343 East 21st Street, New York, NY 10010 - Property report

Also known as: 343 E 21st St

Property image for 343 East 21st Street, New York, NY 10010
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Property type

Single or Multiple Dwelling with Stores or Offices (S9)

Year built

1920

Lot sq. ft.

656

General information

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Address
Primary address
343 East 21st Street
ZIP code
10010
Neighborhood
Gramercy Park
Borough
Manhattan
Block & lot
00927-0124

Owner

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Building
Property type
Single or Multiple Dwelling with Stores or Offices (S9)
Building sq. ft.
2,628
Building dimensions
27 ft x 24 ft
Buildings on lot
1
Stories
4
Year built
1920
Building material
Tax
Tax year
2026-2027
Property tax
$57,237
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
3
Residential sq. ft.
Office sq. ft.
Retail sq. ft.
Lot
Lot dimensions
26.5 ft x 24.75 ft
Lot sq. ft.
656

Area overview

Walk score
98 /100.  Walker's Paradise
Transit score
100 /100.  Rider's Paradise
Bike score
94 /100.  Biker's Paradise
School district
2
Community district
6
Closest police station
0.76 Miles
Closest fire station
0.35 Miles

View more such as transportation, nearby schools and risk designations.

Ownership

Ownership information for 343 East 21st Street, New York, NY

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Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 343 East 21st Street, New York, NY 10010

No recently recorded sales for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
06/14/2011 - R
05/23/2011 - D		 Deed
(2011052400917001)		 XXXXXX XXXXXX XXX XXX XXXX XXXX XXXXXX XXX
07/07/1977 - R Mortgage
(1680008576968)		 XXXXXX XXXXXX XXX XX XXXXX XXXXXXXXXXX X
07/07/1977 - R Assignment, Mortgage
(1670008576967)		 XXXXXXX XXXXXXX X XX XX XXXXX XXXXXXXXXXX X
07/07/1977 - R Assignment, Mortgage
(1660008576966)		 XXXXXXX XXXX XXX X XX XXXXX XXXXXXXXXXX X
07/07/1977 - R Deed
(1650008576965)		 XX XXXXX XXXXXXXXXXX X XXXXXX XXXXXX XXX
06/14/1977 - R Deed
(1380008576138)		 XX XXXXX XXXXXX X XXXXXXX XXXXXXXX
06/14/1977 - R Deed
(1370008576137)		 XXXXXXX XXXXXXXX XXXXXXX XXXXXXXXXXXX
12/30/1971 - R Deed
(1560008498456)		 XXXXXXX XXXXXXXXXXXX XX XX XXXXX XXXXXX X
05/19/1971 - R Agreement
(1490008488649)		 XXXXXXXX XXXXXX X XXXXXXX XXXX XXX X
05/19/1971 - R Agreement
(1480008488648)		 XXXXXX XXXXXX X XXXXXXX XXXXXXX X XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 343 East 21st Street, New York, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Property tax
$57,237
Municipal exemptions
Recent tax assessments
Market value
$2,496,000
Assessed value
$1,123,200

More about New York City property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Taxable amount Tax rate Base tax Property tax Y-o-Y change
2025/26 $2,456,000 $1,105,200 $426,058 12.439% $52,997 $52,997 +3.51%
2024/25 $2,178,000 $980,100 $409,613 12.5% $51,202 $51,202 +7.98%
2023/24 $2,240,000 $1,008,000 $379,272 12.502% $47,417 $47,417 +1.92%
2022/23 $1,867,000 $840,150 $379,272 12.267% $46,525 $46,525 +7.43%
2021/22 $2,032,000 $914,400 $353,955 12.235% $43,306 $43,306 +7.72%
2020/21 $2,137,000 $961,650 $327,737 12.267% $40,203 $40,203 +2.30%
2019/20 $2,109,000 $949,050 $315,087 12.473% $39,301 $39,301 +6.81%
2018/19 $1,905,000 $857,250 $291,748 12.612% $36,795 $36,795 -0.84%
2017/18 $1,678,000 $755,100 $291,748 12.719% $37,107 $37,107 +5.71%
2016/17 $1,571,000 $706,950 $272,273 12.892% $35,101 $35,101 +8.08%
Permits

Permit information for 343 East 21st Street, New York, NY

Filing date Job type Job status Job description Initial cost
11/14/2001 Alteration type 3

*Most recent permit on record for this property.

More about New York City property records

Violations

DOB Violations

Violation ID Issue date Type Status
06/20/2023 Lblvio-low pressure boiler boiler required
12/13/2011 Lblvio-low pressure boiler
12/31/2009 Lblvio-low pressure boiler

*Most recent DOB violations on record for this property.

Neighborhood

Manhattan commercial market stats

Review a detailed real estate market overview of Manhattan and assess current trends, property values, property types sold and transaction volumes. View the median price per square foot in Manhattan and compare it to other New York City boroughs.

Q2 2026 median price/sq. ft.

$729

10.4% Y-o-Y

Q1 2026 median price/sq. ft.

$807

22.4% Y-o-Y

2025 median price/sq. ft.

$630

-8.1% Y-o-Y

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

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

Property location map
FEMA flood zones
X

Hurricane evacuation zones

Property location map
Hurricane evacuation zones
3

Subway & traffic

Closest station
1st Ave & 14th St at NE Corner
Station lines
L
Distance (miles)
0.326
View subway map

Access the detailed traffic volume map for 343 East 21st Street, New York, NY 10010 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity. View daily traffic map

Neighbors for 343 East 21st Street, New York, NY

335 E 22nd St, New York 383 1st Ave, New York 301 E 22nd St, New York 341 E 22nd St, New York 320 E 23rd St, New York 338 E 22nd St, New York 340 E 22nd St, New York 332 E 22nd St, New York 336 E 22nd St, New York 312 E 22nd St, New York 321 E 22nd St, New York 375 1st Ave, New York 373 1st Ave, New York 380 2nd Ave, New York 320 E 22nd St, New York 371 1st Ave, New York 377 1st Ave, New York 379 1st Ave, New York 367 1st Ave, New York

Nearby ZIP codes for 343 East 21st Street, New York, NY

10001, New York City, NY 10003, New York City, NY 10009, New York City, NY 10011, New York City, NY 10012, New York City, NY 10016, New York City, NY 10017, New York City, NY 10110, New York City, NY 10119, New York City, NY 10165, New York City, NY 10167, New York City, NY 10169, New York City, NY 10170, New York City, NY 10171, New York City, NY 10172, New York City, NY 10173, New York City, NY 10174, New York City, NY 10177, New York City, NY

Frequently asked questions

What is the year built for 343 East 21st Street, New York, NY 10010?

The development at 343 East 21st Street, New York, NY 10010 was built in 1920.

What is the market value of 343 East 21st Street, New York, NY 10010?

The current market value of 343 East 21st Street, New York, NY 10010 is $2,496,000.

What is the total square footage of 343 East 21st Street, New York, NY 10010?

343 East 21st Street, New York, NY 10010 has a total of 2,628 square feet.

How many commercial spaces does this building have?

The number of commercial spaces in this building is 2.

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