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839 Suffolk Avenue, Brentwood, NY 11717 Property Information

839 Suffolk Avenue, Brentwood, NY 11717 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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839 Suffolk Avenue, Brentwood, NY 11717
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Address

Primary address 839 Suffolk Avenue, Brentwood
Zip code 11717
County Suffolk
Municipality Islip
Parcel ID 138-1-1.1

Sales & Tax Overview for 839 Suffolk Avenue, Brentwood

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

Sale date 09/12/2022
Sale price $21,600,000
Arm's length
Property tax $204,633

Lot & Building Information for 839 Suffolk Avenue, Brentwood

Building sqft 693
Building class Homes for the Aged (633)
Acreage 2.84
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district Brentwood

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Other Property Data for 839 Suffolk Avenue, Brentwood

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  • • Improvements for 839 Suffolk Avenue, Brentwood , including their type, square footage, grade and when they were built.
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About 839 Suffolk Avenue, Brentwood

How many square feet does 839 Suffolk Avenue, Brentwood, NY 11717 have?

This Homes for the Aged (633) located at 839 Suffolk Avenue, Brentwood, NY 11717 has a total of 693 square feet.

What is the assessed value of 839 Suffolk Avenue, Brentwood, NY 11717 and the property tax paid?

Assessed at $673,600, the tax amount paid for 839 Suffolk Avenue, Brentwood, NY 11717 is $204,632.

When was 839 Suffolk Avenue, Brentwood, NY 11717 last sold and what was the last sale price?

839 Suffolk Avenue, Brentwood, NY 11717 was last sold in 09/12/2022 for $21,600,000.

Ownership Information

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Real Estate Reports:
Lucian Alixandrescu, May 27, 2026 NYC Office Market Ahead of National Curve: Manhattan Q1 Vacancy Drops to 13.1% 
New York City’s office market outpaced the U.S. on several major metrics in Q1, with Manhattan vacancy nearly 5 percentage points below the national benchmark, asking rents climbing against a downward national trend and flex inventory crossing 15 million square feet.
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
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Past Sales & Property History for 839 Suffolk Avenue, Brentwood

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Purchase date Purchase price Buyer name Seller name
09/12/2022 $21,600,000
06/01/2016 $15,000,000
05/06/1998 $680,289
       
       
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*Here are the three most recent sales for this property.


Title Documents for 839 Suffolk Avenue, Brentwood

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Date Type Amount Party 1 Party 2 Doc image
09/12/2022 - D
03/23/2023 - R
Deed
05/12/2021 - D
07/06/2021 - R
Deed
06/01/2016 - D
07/13/2016 - R
Deed
(Bargain and sale)
06/01/2016 - D
07/13/2016 - R
Deed
05/06/1998 - D
05/20/1998 - R
Deed
08/29/1996 - D
05/20/1998 - R
Deed
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R: Recorded date
D: Document date

Property Taxes for 839 Suffolk Avenue, Brentwood

Access detailed property tax data for 839 Suffolk Avenue, Brentwood, NY 11717. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025-2026
Property tax $204,633
Market value $9,487,324
Assessed value $673,600

Assessment History for 839 Suffolk Avenue, Brentwood

Here's the assessment & property tax history for 839 Suffolk Avenue, Brentwood, including the evolution of the total tax rate and corresponding property tax.

Year Market value Assessment value Total tax rate Property tax Year over year change
2024-2025 $9,487,324 $673,600 23.349 $157,279 -13.12%
2023-2024 $9,252,747 $673,600 26.876 $181,037 -3.91%
2022-2023 $8,135,266 $673,600 27.969 $188,399 -9.34%
2021-2022 $7,258,620 $673,600 30.851 $207,812 -2.12%
2020-2021 $6,944,330 $673,600 31.519 $212,312 +3.37%

Permits for 839 Suffolk Avenue, Brentwood

The complete history of permits filed for 839 Suffolk Avenue, Brentwood, 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.

Data not available for this property.

Risk

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FEMA flood zone(s) X (See more on map)

Transportation

Access the detailed traffic volume map for 839 Suffolk Avenue, Brentwood to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

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Neighbors for 839 Suffolk Avenue, Brentwood

Here are the neighbors for 839 Suffolk Avenue, Brentwood.

Address Square feet Purchase date Purchase price
70 Hilltop Dr, Brentwood
664 Suffolk Ave, Brentwood 05/16/2025 $600,000
916 Suffolk Ave, Brentwood 13,256 02/24/1999 $465,000
125 4th St, Brentwood 11/06/2019
18 1st Ave, Brentwood 03/04/2021 $400,000
944 Suffolk Ave, Brentwood 05/14/2025 $10
840 Suffolk Ave, Brentwood 5,400
1825 Brentwood Rd, Brentwood 146,198 12/22/2009 $15,350,000
870 Suffolk Ave, Brentwood
658 Suffolk Ave, Brentwood 7,097
162 2nd St, Brentwood
2000 Brentwood Rd, Brentwood
79 2nd Ave, Brentwood
89 Claywood Dr, Brentwood 03/21/2014 $224,000
151 2nd Ave, Brentwood
147 2nd Ave, Brentwood
81 Claywood Dr, Brentwood
200 Brentwood Rd, Brentwood
652 Suffolk Ave, Brentwood 23,896 02/04/2020 $3,100,000
26 1st Ave, Brentwood

Nearby ZIP Codes for 839 Suffolk Avenue, Brentwood

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