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Roosevelt Island Library - 510 Main Street, New York, NY 10044 Property Information

Roosevelt Island Library - 510 Main Street, New York, NY 10044 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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Roosevelt Island Library - 510 Main Street, New York, NY 10044
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Address

Building name Roosevelt Island Library
Primary address Roosevelt Island Library - 510 Main Street
Secondary address 508-536 Main St
Neighborhood Roosevelt Island
Zip code 10044
Borough Manhattan
Block & lot 01373-0030

Sales & Tax Overview for 510 Main Street, New York

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Purchase date 04/17/2007
Purchase price $189,526,238
Tax class

Lot & Building Information for 510 Main Street, New York

Lot sq. ft. 230,012
Property type Elevator Apartment - Fireproof with Stores (D6)
Building sqft 804,200
Building dimensions 780 ft x 250 ft
Buildings on lot 6
Stories 16
Year built 1969
Construction type
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Zoning & Use for 510 Main Street, New York

Zoning
Residential units (DOF) 1,003
Commercial units 14
Residential sqft
Retail sqft

Area Overview

Walk Score
81 /100. Very Walkable
Transit Score
92 /100. Rider's Paradise
Bike Score
77 /100. Very Bikeable

School district 2
Community district 8

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

Other Property Data for 510 Main 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 Roosevelt Island Library - 510 Main Street, New York, NY 10044, 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 Roosevelt Island Library - 510 Main Street, New York, NY 10044, including DOB violations, ECB violations, HPD violations and 311 complaints.

Alternate Addresses

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

  • 508-536 Main St, New York, NY 10044

About 510 Main Street, New York

How many sq. ft. does Roosevelt Island Library - 510 Main Street, New York, NY 10044 have & what is the price per sq. ft?

This Elevator Apartment - Fireproof with Stores (D6) located at Roosevelt Island Library - 510 Main Street, New York, NY 10044 has a total of 804,200 square feet and a current price per square foot of $235.

What is the year built & the current market value of Roosevelt Island Library - 510 Main Street, New York, NY 10044?

Roosevelt Island Library - 510 Main Street, New York, NY 10044 was built in 1969 and has a current tax assessor's market value of $206,327,000.

How many commercial spaces does this building have?

This building has 14 commercial spaces available for lease.

Ownership Information for 510 Main Street, New York

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Property owner name for Roosevelt Island Library - 510 Main Street, New York, NY 10044
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Building contacts for Roosevelt Island Library - 510 Main Street, New York, NY 10044
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
How to Contact Property Owners: Cold Calling Scripts, Email Templates & Outreach Tips 
Laura Pop-Badiu, Jul 29, 2026 How to Contact Property Owners: Cold Calling Scripts, Email Templates & Outreach Tips 
When it comes to efficiently contacting property owners, the challenge is twofold: First, you need to identify the right owner. Then, you need to reach that owner through the appropriate channel with the right message. Enhanced by effective follow-up tips and tactics, this guide is particularly useful for investors, agents and other real estate professionals who need an effective outreach process.
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New York City’s office market continued to lead the U.S. in Q2, but internal shifts were most visible in the flex office market. Brooklyn’s coworking inventory grew 6.2% Q-o-Q even as Manhattan’s supply retreated. At the same time, Brooklyn’s asking rents for traditional office leases climbed more than twice as fast as the national average.
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Past Sales & Property History for 510 Main Street, New York

Create a free account to view the complete sales history for 510 Main Street, New York, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

Sale date Sale price Buyer name Seller name
04/17/2007 $189,526,238

Title Documents for 510 Main 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
05/09/2024 - R UCC3 Continuation
(2024050700120001)
05/13/2021 - R
12/23/2020 - D		 NYC Real Property Transfer Tax
(2021011901749001)
01/16/2020 - R UCC3 Termination
(2020011401181002)
10/30/2019 - R Initial UCC1
(2019102900205005)
01/16/2020 - R
10/23/2019 - D		 Satisfaction of Mortgage
(2020011401181001)
10/30/2019 - R
10/23/2019 - D		 Agreement
(2019102900205008)
10/30/2019 - R
10/23/2019 - D		 Agreement
(2019102900205007)
10/30/2019 - R
10/23/2019 - D		 Agreement
(2019102900205006)
10/30/2019 - R
10/23/2019 - D		 Assignment, Mortgage
(2019102900205004)
10/30/2019 - R
10/23/2019 - D		 Mortgage
(2019102900205003)
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R: Recorded date
D: Document date

Property Taxes for 510 Main Street, New York

Access detailed property tax data for Roosevelt Island Library - Roosevelt Island Library - 510 Main Street, New York, NY 10044. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2026-2027
Property tax: $0
Tax assessor's market value: $206,327,000
Assessed value: $92,847,150
Exemptions granted by city:

More about New York City Property Taxes

Assessment History for 510 Main Street, New York

Here's the assessment & property tax history for 510 Main 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 $205,072,000 $92,282,400 $0 12.439% $10,270,553 $0 n/a
2024/25 $192,891,000 $86,800,950 $0 12.5% $9,908,055 $0 n/a
2023/24 $186,169,000 $83,776,050 $0 12.502% $9,524,401 $0 n/a
2022/23 $184,678,000 $83,105,100 $0 12.267% $8,972,728 $0 n/a
2021/22 $148,605,000 $66,872,250 $0 12.235% $8,181,820 $0 n/a
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Permits for 510 Main Street, New York

The complete history of permits filed for 510 Main 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
06/17/2026 Alteration
11/20/2025 Alteration
09/09/2025 Alteration
08/07/2025 Alteration
08/06/2025 Alteration
07/22/2025 Alteration
07/22/2025 Alteration
07/08/2025 Alteration
07/08/2025 Alteration
05/23/2025 Alteration
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More about New York City Property Records

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): 0.2,AE,X (See more on map)
Hurricane evacuation zone: 2 (See more on map)

Transportation

Distance to Subway
Closest station West Rd & Unnamed St at SE Corner
Station lines F
Distance (miles) 0.317
View subway map

Neighbors for 510 Main Street, New York

Here are the neighbors for Roosevelt Island Library - Roosevelt Island Library - 510 Main Street, New York, NY 10044.

Address Square feet Purchase date Purchase price
1954 1st Ave, New York 414,144 10/23/2019 $325,000,000
222 E 64th St, New York 103,000
224 E 49th St, New York 7,069 12/08/2021
50 W 139th St, New York 102,132 10/11/2019 $75,500,000
151 W 118th St, New York 4,035 05/10/2005 $449,913
554 W 46th St, New York 57,750 12/15/2025
120 W 60th St, New York 47,121 08/02/1984
1964 1st Ave, New York 414,144 10/23/2019 $325,000,000
755 10th Ave, New York 69,540
555 W 45th St, New York 50,992 12/17/2025
3 E 75th St, New York 28,968
60 W 130th St, New York 9,710 06/22/2011 $475,000
501 W 51st St, New York 78,334 07/28/2010 $502,000
20 E 65th St, New York 12,490 03/18/2011
2461 2nd Ave, New York
325 E 25th St, New York 63,804 11/24/2014 $1
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