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521 3rd Avenue, New York, NY 10016 Property Information

521 3rd Avenue, New York, NY 10016 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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521 3rd Avenue, New York, NY 10016 3
static Mapbox map

Address

Primary address 521 3rd Avenue
Neighborhood Murray Hill
Zip code 10016
Borough Manhattan
Block & lot 00915-0062

Sales & Tax Overview for 521 3rd Avenue, 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 $97,024

Lot & Building Information for 521 3rd Avenue, New York

Lot sqft 1,105
Lot dimensions 18.42 ft x 60 ft
Property type Primarily Four Family with One Store or Office (S4)
Building sqft 4,493
Building dimensions 18 ft x 58 ft
Buildings on lot 1
Stories 5
Year built 1920
Construction type
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Zoning & Use for 521 3rd Avenue, New York

Zoning
Residential units (DOF) 4
Commercial units 1
Residential sqft
Retail sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 2
Community district 6
Closest police station 0.81 Miles
Closest fire station 0.24 Miles

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

Other Property Data for 521 3rd Avenue, 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 521 3rd Avenue, New York, NY 10016, 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 521 3rd Avenue, New York, NY 10016, including DOB violations, ECB violations, HPD violations and 311 complaints.

About 521 3rd Avenue, New York

How many square feet does 521 3rd Avenue, New York, NY 10016 have?

This Primarily Four Family with One Store or Office (S4) located at 521 3rd Avenue, New York, NY 10016 has a total of 4,493 square feet.

What is the year built & the current market value of 521 3rd Avenue, New York, NY 10016?

521 3rd Avenue, New York, NY 10016 was built in 1920 and has a current tax assessor's market value of $2,904,000.

How many commercial spaces does this building have?

This building has 1 commercial spaces available for lease.

Ownership Information for 521 3rd Avenue, New York

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Property owner name for 521 3rd Avenue, New York, NY 10016
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Building contacts for 521 3rd Avenue, New York, NY 10016
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
Laura Pop-Badiu, Dec 11, 2025 How to Build Property Owner Lists: Steps, Pro Tips & What to Avoid
In this guide, we’ll walk you step by step through how to build property owner lists inside the PropertyShark platform, how to customize them for your goals and how to avoid common mistakes.
Laura Pop-Badiu, Sep 10, 2025 How to Find Comps for Commercial Real Estate: A Step-by-Step GuideĀ 
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Past Sales & Property History for 521 3rd Avenue, New York

Create a free account to view the complete sales history for 521 3rd Avenue, New York, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

No recorded sales for this property.

Title Documents for 521 3rd Avenue, 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
07/10/2012 - D
08/28/2012 - R
Correction Deed
(2012071701997002)
01/30/2004 - R Satisfaction of Mortgage
(2003111901414001)
12/09/1998 - R Agreement
(1590006363659)
10/21/1998 - R Initial UCC1
(1190006309119)
03/26/1993 - R Mortgage
(1440000427344)
03/26/1993 - R Assignment, Mortgage
(1450000427345)
03/10/1993 - R Initial Coop UCC1
(1270003809627)
03/10/1993 - R UCC3 Termination
(1210003864121)
06/24/1992 - R UCC3 Continuation
(1800003750880)
07/22/1987 - R Satisfaction of Mortgage
(1630000202963)
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R: Recorded date
D: Document date

Property Taxes for 521 3rd Avenue, New York

Access detailed property tax data for 521 3rd Avenue, New York, NY 10016. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax: $94,017
Estimated property tax: $97,024
Tax assessor's market value: $2,904,000
Assessed value: $1,306,800

Assessment History for 521 3rd Avenue, New York

Here's the assessment & property tax history for 521 3rd Avenue, 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 $2,904,000 $1,306,800 $755,827 12.439% $94,017 $94,017 +7.47%
2024/25 $2,420,000 $1,089,000 $699,840 12.5% $87,480 $87,480 +7.98%
2023/24 $2,362,000 $1,062,900 $648,000 12.502% $81,013 $81,013 +1.92%
2022/23 $2,953,000 $1,328,850 $648,000 12.267% $79,490 $79,490 -6.41%
2021/22 $3,474,000 $1,563,300 $694,200 12.235% $84,935 $84,935 +6.85%

Permits for 521 3rd Avenue, New York

The complete history of permits filed for 521 3rd Avenue, 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
06/09/2025 Alteration
05/07/2003 Alteration type 2
05/16/2000 Alteration type 3
05/16/2000 Alteration type 3
05/05/2000 Alteration type 3
04/10/1995 Sign
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Manhattan Commercial Market Stats

Access a detailed real estate market overview of Manhattan so you can assess current trends, property values, types of properties sold and transaction volume. View the median price per sqft in Manhattan and compare it to other boroughs in New York City.

Median Price/Sqft Q1/2026
$680
4.4% YoY
Median Price/Sqft Q4/2025
$550
-15.8% YoY
Median Price/Sqft 2025
$607
-2.5% 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: 5 (See more on map)

Transportation

Distance to Subway
Closest station Park Ave & 33rd St at NE Corner
Station lines 6
Distance (miles) 0.214
View subway map
Bus Routes
Name E 34 St /3 Av
Line M34+
Distance (miles) 0.041

Neighbors for 521 3rd Avenue, New York

Here are the neighbors for 521 3rd Avenue, New York, NY 10016.

Address Square feet Purchase date Purchase price
515 3rd Ave, New York 8,384 07/02/1998
525 3rd Ave, New York 76,024 11/23/2009 $28,250,000
229 E 35th St, New York 8,176 03/28/2023 $4,000,000
523 3rd Ave, New York 5,800 01/09/2006 $3,500,000
211 E 35th St, New York 57,834 02/08/1984
232 E 35th St, New York 5,677 05/17/1994
225 E 35th St, New York 18,734 08/15/2011
206 E 35th St, New York 2,436 12/10/2025 $3,000,000
208 E 35th St, New York 2,436 12/10/2025 $3,000,000
222 E 35th St, New York 50,796 08/16/2004 $450,000
519 3rd Ave, New York 4,434 04/14/1994
225 E 34th St, New York 235,574
214 E 35th St, New York 5,826 02/12/2020 $3,150,000
517 3rd Ave, New York 4,180 11/15/2001
210 E 35th St, New York 9,342 02/04/2008 $3,800,000
212 E 35th St, New York 3,864 09/07/2010 $1,634,291
234 E 35th St, New York 6,876 09/25/1981
533 3rd Ave, New York 11,394 05/05/1997
221 E 35th St, New York 10,576 02/19/1997
204 E 35th St, New York 6,273 06/30/2004 $2,950,000
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