521 Park Avenue

Building Info

Postwar Resale Condo Built 1911, Converted 1987 in Lenox Hill / Upper East Side | Full Service Doorman With Elevator

General Info 12 Floors27 Units

Amenities

  • Elevator
  • Full Time Doorman
  • Gym
  • Laundry
  • Pet Friendly
  • Storage
View all 6 amenties

Location

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Schools

District 2 - Schools zoned for this address:

Disclaimer: School attendance zone boundaries are not guaranteed to be accurate – they are provided by a third party and subject to change. Check with the applicable school district prior to making a decision based on these boundaries

Nearby Subways

  • 4 5 6 Lexington Ave - 59th St 0.09 miles
  • N W R Lexington Ave - 59th St 0.1 miles
  • F Q Lexington Ave - 63rd St 0.16 miles
  • W N R 5th Ave - 59th St 0.25 miles
View subway lines on Google Maps

Building Activity

For Sale

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Unit Ask Price Beds Baths Days on Mkt Size

10A

$1,650,000 1 bed 1.5 baths 118 1000 sft

3C

$2,695,000 2 beds 2 baths 143 1693 sft
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Unit Saledate Orig Ask Sale Price Sale PPSF Beds Baths Size

11B

 Aug 25, 2025 $2,895,000 $2,200,000 $1,498 3 beds 2 baths 1468 sft

2A

 Dec 05, 2024 $2,950,000 $2,000,000 $1,046 1 bed 1 bath 1911 sft

5BC

 Apr 19, 2024 $5,950,000 $4,625,000 $1,344 4 beds 4 baths 3440 sft

12A

 Jul 08, 2021 $1,995,000 $1,995,000 $0 2 beds 2 baths 0 sft

PH11C/12C

 May 10, 2021 $8,250,000 $5,900,000 $1,940 3 beds 5 baths 3040 sft

11A

 Dec 21, 2018 No Listing $1,900,000 $1,900 1 bed 1 bath 1000 sft

11B

 May 23, 2018 No Listing $990,000 $674 3 beds 2 baths 1468 sft

4B

 Mar 21, 2018 No Listing $4,300,000 $2,726 2 beds 2 baths 1577 sft

12A

 Mar 15, 2017 No Listing $1,650,000 $0 2 beds 2 baths 0 sft

4B

 Dec 28, 2016 $4,500,000 $3,900,000 $2,473 2 beds 2 baths 1577 sft

3AB

 Dec 22, 2015 $7,995,000 $4,700,000 $1,925 3 beds 3 baths 2441 sft

6A

 Jul 15, 2014 No Listing $17,450,000 $4,654 - beds - 3749 sft

8BC

 Jun 05, 2013 No Listing $9,212,000 $2,878 4 beds 4 baths 3200 sft

8A

 Jun 05, 2013 No Listing $2,488,000 $2,843 1 bed 1 bath 875 sft

8BC

 Sep 07, 2012 $8,750,000 $7,500,000 $2,343 4 beds 4 baths 3200 sft

8A

 Sep 07, 2012 No Listing $2,025,000 $2,314 1 bed 1 bath 875 sft

8A

 Jan 26, 2012 $1,575,000 $1,450,000 $1,657 1 bed 1 bath 875 sft

12A

 Jul 20, 2011 $1,350,000 $1,350,000 $0 2 beds 2 baths 0 sft

10A

 Mar 26, 2010 $2,200,000 $1,720,000 $1,720 1 bed 1 bath 1000 sft

6B

 Sep 19, 2007 No Listing $11,250,000 $0 - beds - 0 sft

6A

 Sep 19, 2007 No Listing $11,250,000 $3,000 - beds - 3749 sft

10B

 Jul 27, 2007 $4,200,000 $3,550,000 $2,576 2 beds 2 baths 1378 sft

5BC

 Mar 23, 2006 $7,900,000 $7,450,000 $2,165 4 beds 4 baths 3440 sft

11A

 Aug 05, 2004 No Listing $1,400,000 $1,400 1 bed 1 bath 1000 sft

10B

 Nov 20, 2003 No Listing $2,050,000 $1,487 2 beds 2 baths 1378 sft
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Unit Ask Price Off Market Date Beds Baths Size

4ABC

 $20,000,000 Jun 18, 2015 5 beds 5 baths 4500 sft

4C

 $9,400,000 Apr 28, 2014 2 beds 2 baths 1593 sft

4

 $20,000,000 Sep 30, 2008 4 beds 3 baths 4900 sft
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Filter by Unit
Unit Beds Baths Size

10A

 1 bed 1 bath 1000 sft

10B

 2 beds 2 baths 1378 sft

10C

 - beds - baths 1643 sft

11A

 1 bed 1 bath 1000 sft

11B

 3 beds 2 baths 1468 sft

11C

 - beds - baths 1483 sft

12A

 2 beds 2 baths 0 sft

12B

 - beds - baths 0 sft

12C

 - beds - baths 1467 sft

2A

 1 bed 1 bath 1911 sft

2B

 - beds - baths 2123 sft

3A

 - beds - baths 1022 sft

3AB

 3 beds 3 baths 2441 sft

3B

 1 bed 1 bath 1022 sft

3C

 2 beds 2 baths 1693 sft

4

 4 beds 3 baths 4900 sft

4A

 1 bed 1 bath 811 sft

4ABC

 5 beds 5 baths 4500 sft

4B

 2 beds 2 baths 1577 sft

4C

 2 beds 2 baths 1593 sft

5A

 - beds - baths 911 sft

5BC

 4 beds 4 baths 3440 sft

6

 4 beds 4 baths 4500 sft

6A

 - beds - baths 3749 sft

7

 - beds - baths 4100 sft

8

 5 beds 5 baths 4500 sft

8A

 1 bed 1 bath 875 sft

8BC

 4 beds 4 baths 3200 sft

9

 - beds - baths 0 sft

PH11C/12C

 3 beds 5 baths 3040 sft

6B

 - beds - baths 0 sft

For Rent

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Unit Ask Price Beds Baths Days on Mkt Size

CURRENTLY NO ACTIVE RENTS
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Unit Ask Price Beds Baths Days on Mkt Size

NO PENDING RENTALS IN THIS BUILDING
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Unit Rented on Orig Ask Rented Price Yearly PPSF Beds Baths Size

5BC

 Oct 21, 2024 $38,000 $35,000 $122 4 beds 4 baths 3440 sft
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Filter by Unit
Unit Ask Price Off Market Date Beds Baths Size

4B

 $11,500 Jan 18, 2018 2 beds 2 baths 1536 sft
Filter the Rentals to display
Filter by Unit
Unit Beds Baths Size

2A

 1 bed 1 bath 1911 sft

4A

 1 bed 1 bath 811 sft

4B

 2 beds 2 baths 1536 sft

4C

 2 beds 2 baths 1593 sft

5BC

 4 beds 4 baths 3440 sft

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