New York City  »  10065  »  Park Ave  »  521 Park Ave

521 Park Avenue #3a, New York, NY 10065 - Property report

Also known as: 521 Park Ave #3a

Property image for 521 Park Avenue #3a, New York, NY 10065
static Mapbox map

Property type

Condo - Residential Unit in Elevator Building (R4)

Year built

1912

Lot sq. ft.

6,025

Sale price

$4,700,000

General information

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Address
Primary address
521 Park Avenue #3a
ZIP code
10065
Neighborhood
Lenox Hill
Borough
Manhattan
Block & lot
01395-1108

Owner

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Building
Property type
Condo - Residential Unit in Elevator Building (R4)
Unit sq. ft.
1,022
Buildings on lot
1
Year built
1912
Basement
N
Sales
Sale date
12/22/2015
Sale price
$4,700,000 - M
Tax
Tax year
2026-2027
Property tax
$13,283
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
24
Residential sq. ft.
Commercial units
5
Office sq. ft.
Retail sq. ft.
Lot
Distance to wide street
Lot dimensions
100 ft x 60 ft
Lot sq. ft.
6,025

Area overview

Walk score
98 /100.  Walker's Paradise
Transit score
100 /100.  Rider's Paradise
Bike score
76 /100.  Very Bikeable
School district
2
Community district
8
Closest police station
0.34 Miles
Closest fire station
0.35 Miles

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

Ownership information for 521 Park Avenue #3a, New York, NY

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

Sales history for 521 Park Avenue #3a, New York, NY 10065

Sale date Sale price Buyer name Seller name
12/22/2015 $4,700,000 XXX XXXX XXXXXX XXXXXX, XXX XXXX, XXXXXX

*Most recent sale on record for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
05/17/2017 - R
05/02/2017 - D
Satisfaction of Mortgage
(2016020801528001)
XXXX XXXXXX XXXXXX XXXX XXXXXXX XXXX
01/08/2016 - R
12/22/2015 - D
Deed
(2015123000379001)
XXXX XXXXXX XXX XXXX XXXXXX XXXXXX XXX
01/08/2016 - R
12/21/2015 - D
Power of Attorney
(2015123000379002)
XXX XXXX XXXXXX XXXXXX XXX XXX XXXX XXXXXX XXXXXXXXXX
06/15/2015 - R
06/03/2015 - D
Maps
(2015060801524002)
XXX XXXX XXXXXX XXXXXXXXXXX
06/15/2015 - R
05/08/2015 - D
Amended Condo Declaration
(2015060801524001)
XXX XXXX XXXXXX XXXXXXXXXXX
11/14/2013 - R
08/12/2013 - D
Agreement
(2013090601229003)
XXXX XXXXXX XXXXXX XXXX XXXXXXX XXXX
11/14/2013 - R
08/12/2013 - D
Mortgage
(2013090601229002)
XXXX XXXXXX XXXXXX XXXX XXXXXXX XXXX
11/14/2013 - R
08/12/2013 - D
Mortgage Spreader Agreement
(2013090601229001)
XXXX XXXXXX XXXXXX XXXX XXXXXXX XXXX
04/16/2012 - R
04/03/2012 - D
Satisfaction of Mortgage
(2012040300110001)
XXXX XXXXXX XXX XXXX
03/13/2012 - R
02/24/2012 - D
Satisfaction of Mortgage
(2012022301309001)
XXXX XXXXXX XXXXX XXXXXXXXX XXXXXXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 521 Park Avenue #3a, 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
$13,283
Municipal exemptions
Recent tax assessments
Market value
$269,915
Assessed value
$121,462

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 $266,261 $119,817 $104,642 12.439% $13,016 $13,016 +1.33%
2024/25 $231,737 $104,282 $102,769 12.5% $12,846 $12,846 +2.01%
2023/24 $223,850 $100,732 $100,732 12.502% $12,594 $12,594 +4.06%
2022/23 $219,238 $98,657 $98,657 12.267% $12,102 $12,102 -0.81%
2021/22 $221,607 $99,723 $99,723 12.235% $12,201 $12,201 -2.71%
2020/21 $245,458 $110,456 $102,231 12.267% $12,541 $12,541 +5.96%
2019/20 $239,940 $107,973 $94,885 12.473% $11,835 $11,835 +7.47%
2018/19 $231,561 $104,202 $87,315 12.612% $11,012 $11,012 +8.93%
2017/18 $215,335 $96,901 $79,485 12.719% $10,110 $10,110 +7.89%
2016/17 $203,627 $91,632 $72,681 12.892% $9,370 $9,370 +5.94%

Permit information for 521 Park Avenue #3a, New York, NY

No recently recorded permits for this property.

More about New York City property records

HPD Violations

No recently recorded violations for this property.

Upper East Side, Carnegie Hill residential market stats

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

Median sale price

Median price/sq. ft.

Manhattan median sale price

$1,260,000

5.4% Y-o-Y

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

Risk

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FEMA flood zones

Property location map
FEMA flood zones
-

Hurricane evacuation zones

Property location map
Hurricane evacuation zones
-

Subway & traffic

Closest station
Lexington Avenue & East 60th Street at SW Corner
Station lines
N-Q-R-4-5-6
Distance (miles)
0.069

Access the detailed traffic volume map for 521 Park Avenue #3a, New York, NY 10065 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

Schools

Nearest elementary schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
The Browning School NR No Private K-12 418 0.10
Gan Aliya NR No Private PK-K 42 0.19
Gan Aliya NR No Private PK-K 42 0.19
East Side Elementary School, PS 267 9 No Public K-5 362 0.26
P.S. 59 Beekman Hill International 8 No Public PK, K-5 523 0.35
P.S. 59 Beekman Hill International 8 No Public PK, K-5 523 0.35
Rabbi Arthur Schneier Park East Day School NR No Private PK-8 264 0.39
Rabbi Arthur Schneier Park East Day School NR No Private PK-8 264 0.39
Ella Baker School 7 No Public PK, K-8 337 0.50
Ella Baker School 7 No Public PK, K-8 337 0.50
Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
The Browning School NR No Private K-12 418 0.10
Rabbi Arthur Schneier Park East Day School NR No Private PK-8 264 0.39
Ella Baker School 7 No Public PK, K-8 337 0.50
The Montessori School of New York - Manhattan NR No Private PK, K-8 0 0.50
St Albans School NR No Private PK-8 118 0.61
Saint Albans NR No Private PK, K-8 0 0.61
Jhs 167 Robert F Wagner 8 No Public 6-8 1,019 0.81
Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
The Browning School NR No Private K-12 418 0.10
St Vincent Ferrer High School NR No Private 9-12 433 0.27
Art and Design High School 8 No Public 9-12 1,469 0.33
Dominican Academy NR No Private 9-12 218 0.37
Dominican Academy NR No Private 9-12 0 0.37
Manhattan High School For Girls NR No Private 9-12 204 0.48
Urban Academy Laboratory High School 1 No Public 9-12 135 0.50
Manhattan International High School 1 No Public 9-12 352 0.50
Vanguard High School 5 No Public 9-12 421 0.50
Talent Unlimited High School 7 No Public 9-12 438 0.50

Data provided by GreatSchools.org © 2026. All rights reserved.

Frequently asked questions

What is the year built for 521 Park Avenue #3a, New York, NY 10065?

The development at 521 Park Avenue #3a, New York, NY 10065 was built in 1912.

What is the total square footage of 521 Park Avenue #3a, New York, NY 10065?

521 Park Avenue #3a, New York, NY 10065 has a total of 1,022 square feet.

When was 521 Park Avenue #3a, New York, NY 10065 last sold and what was the sale price?

521 Park Avenue #3a, New York, NY 10065 was last sold on 12/22/2015 for $4,700,000.

What is the assessed value of 521 Park Avenue #3a, New York, NY 10065?

521 Park Avenue #3a, New York, NY 10065 is currently assessed at $121,462.

What are the property taxes for 521 Park Avenue #3a, New York, NY 10065?

The property taxes for 521 Park Avenue #3a, New York, NY 10065 total $13,282.

How many residential units does this building have?

This building has 24 residential unit(s).

Disclaimer

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Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

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