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520 West 20th Street, New York, NY 10011 Property Information

520 West 20th Street, New York, NY 10011 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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520 West 20th Street, New York, NY 10011 2
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Address

Primary address 520 West 20th Street
Secondary address 516-530 W 20th St
Neighborhood Chelsea
Zip code 10011
Borough Manhattan
Block & lot 00691-0043

Sales & Tax Overview for 520 West 20th 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 $1,320,057

Lot & Building Information for 520 West 20th Street, New York

Lot sq. ft. 16,100
Lot dimensions 175 ft x 92 ft
Property type Office Only 7-19 Stories (O3)
Building sqft 84,803
Building dimensions 175 ft x 92 ft
Buildings on lot 1
Stories 7
Year built 1914
Construction type
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Zoning & Use for 520 West 20th Street, New York

Zoning
Commercial units 2
Office sqft
Retail sqft
Conversion feasibility index

Area Overview

Walk Score
Transit Score
Bike Score


School district 2
Community district 4
Closest police station 0.47 Miles
Closest fire station 0.61 Miles

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

Other Property Data for 520 West 20th 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 520 West 20th Street, New York, NY 10011, 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 520 West 20th Street, New York, NY 10011, including DOB violations, ECB violations, HPD violations and 311 complaints.

Alternate Addresses

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

  • 516-530 W 20th St, New York, NY 10011

About 520 West 20th Street, New York

How many square feet does 520 West 20th Street, New York, NY 10011 have?

This Office Only 7-19 Stories (O3) located at 520 West 20th Street, New York, NY 10011 has a total of 84,803 square feet.

What is the year built & the current market value of 520 West 20th Street, New York, NY 10011?

520 West 20th Street, New York, NY 10011 was built in 1914 and has a current tax assessor's market value of $39,375,000.

How many commercial spaces does this building have?

This building has 2 commercial spaces available for lease.

Ownership Information for 520 West 20th Street, New York

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Property owner name for 520 West 20th Street, New York, NY 10011
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Building contacts for 520 West 20th Street, New York, NY 10011
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
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Past Sales & Property History for 520 West 20th Street, New York

Create a free account to view the complete sales history for 520 West 20th Street, New York, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

No recorded sales for this property.

Title Documents for 520 West 20th 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
04/14/2026 - R Initial UCC1
(2026040800670001)
07/24/2025 - D
10/23/2025 - R
Agreement
(2025081400800001)
03/21/2021 - D
05/25/2021 - R
Both RPTT and RETT
(2021043000046001)
03/19/2020 - R Initial UCC1
(2020031600577016)
03/13/2020 - D
03/19/2020 - R
Assignment of Leases and Rents
(2020031600577015)
03/13/2020 - D
03/19/2020 - R
Agreement
(2020031600577014)
03/13/2020 - D
03/19/2020 - R
Mortgage
(2020031600577013)
03/13/2020 - D
03/19/2020 - R
Assignment, Mortgage
(2020031600577010)
03/13/2020 - D
03/19/2020 - R
Assignment, Mortgage
(2020031600577009)
03/13/2020 - D
03/19/2020 - R
Termination of Assign of L&R
(2020031600577008)
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R: Recorded date
D: Document date

Property Taxes for 520 West 20th Street, New York

Access detailed property tax data for 520 West 20th Street, New York, NY 10011. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax: $1,217,105
Estimated property tax: $1,320,057
Tax assessor's market value: $39,375,000
Assessed value: $17,718,750

Assessment History for 520 West 20th Street, New York

Here's the assessment & property tax history for 520 West 20th 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 $39,375,000 $17,718,750 $16,208,550 10.848% $1,758,304 $1,217,105 +6.56%
2024/25 $38,906,000 $17,507,700 $15,641,550 10.762% $1,683,344 $1,142,145 +7.75%
2023/24 $35,664,000 $16,048,800 $15,116,760 10.592% $1,601,167 $1,059,969 +1.60%
2022/23 $33,075,000 $14,883,750 $14,883,750 10.646% $1,584,524 $1,043,325 -5.17%
2021/22 $33,915,000 $15,261,750 $15,261,750 10.755% $1,641,401 $1,100,202 -25.77%

Permits for 520 West 20th Street, New York

The complete history of permits filed for 520 West 20th 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
04/10/2026 Alteration
12/02/2025 No work
11/10/2025 Alteration
11/10/2025 Alteration
11/10/2025 Alteration
11/07/2025 Alteration
12/14/2023 Alteration
10/10/2023 Alteration
07/09/2023 No work
06/17/2023 Alteration
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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
$797
19.7% YoY
Median Price/Sqft Q4/2025
$606
-17.5% YoY
Median Price/Sqft 2025
$656
-5.9% YoY

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

Risk

FEMA flood zone(s): AE (See more on map)
Hurricane evacuation zone: 1 (See more on map)

Transportation

Distance to Subway
Closest station 8th Ave & 23rd St at SW Corner
Station lines C-E
Distance (miles) 0.426
View subway map
Bus Routes
Name 11 Av/W 19 St
Line M12
Distance (miles) 0.06

Neighbors for 520 West 20th Street, New York

Here are the neighbors for 520 West 20th Street, New York, NY 10011.

Address Square feet Purchase date Purchase price
515 W 20th St, New York 83,240 04/29/2022 $23,333,334
510 W 21st St, New York 124,385 12/16/2021 $95,200,000
522 W 21st St, New York 9,200 12/18/1998
515 W 19th St, New York 3,848 05/08/2008
517 W 19th St, New York 4,500 11/26/2012
529 W 20th St, New York 111,329 04/29/2022 $32,000,000
165 10th Ave, New York 04/26/2023
161 10th Ave, New York 04/26/2023
527 W 19th St, New York 13,800 02/01/2023 $11,747,531
525 W 20th St, New York 94,622 04/29/2022 $21,333,332
512 W 20th St, New York 6,060 11/22/1989
537 W 20th St, New York 24,289 03/25/2010 $8,000,000
530 W 21st St, New York 8,554 05/07/2007 $10,750,000
508 W 20th St, New York 4,189 04/07/2011 $7,325,000
521 W 19th St, New York 7,638 06/19/1997
550 W 20th St, New York 95,837 12/01/1993
504 W 20th St, New York 04/26/2023
511 W 20th St, New York 9,250 04/16/1969
509 W 20th St, New York 9,200 11/04/2005
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