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87 Union Avenue, Islip, NY 11751 Property Information

87 Union Avenue, Islip, NY 11751 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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87 Union Avenue, Islip, NY 11751
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Address

Primary address 87 Union Avenue, Islip
Zip code 11751
County Suffolk
Municipality Islip
Parcel ID 396-4-72

Sales & Tax Overview for 87 Union Avenue, Islip

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

Sale date 10/31/2018
Sale price $420,000
Arm's length
Property tax $12,847

Lot & Building Information for 87 Union Avenue, Islip

Building sqft 2,275
Building class One Family Year-Round Residence (210)
Acreage 0.18
Year built 1927
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district Islip

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Other Property Data for 87 Union Avenue, Islip

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  • • Improvements for 87 Union Avenue, Islip , including their type, square footage, grade and when they were built.
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About 87 Union Avenue, Islip

What is the year built & the total sq. ft. for 87 Union Avenue, Islip, NY 11751?

87 Union Avenue, Islip, NY 11751 was built in 1927 and has a total of 2,275 square feet.

What is the assessed value of 87 Union Avenue, Islip, NY 11751 and the property tax paid?

Assessed at $40,700, the tax amount paid for 87 Union Avenue, Islip, NY 11751 is $12,846.

When was 87 Union Avenue, Islip, NY 11751 last sold and what was the last sale price?

87 Union Avenue, Islip, NY 11751 was last sold in 10/31/2018 for $420,000.

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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  • 2000+ governmental and public data sources
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Past Sales & Property History for 87 Union Avenue, Islip

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Purchase date Purchase price Buyer name Seller name
10/31/2018 $420,000
06/20/2007 $510,000
       
       
       
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Title Documents for 87 Union Avenue, Islip

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Date Type Amount Party 1 Party 2 Doc image
11/19/2018 - R
10/31/2018 - D
Deed
(Bargain and sale)
06/29/2007 - R
06/20/2007 - D
Deed
01/26/1995 - R
11/18/1994 - D
Deed
           
           
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R: Recorded date
D: Document date

Property Taxes for 87 Union Avenue, Islip

Access detailed property tax data for 87 Union Avenue, Islip, NY 11751. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025-2026
Property tax $12,847
Market value $573,239
Assessed value $40,700

Assessment History for 87 Union Avenue, Islip

Here's the assessment & property tax history for 87 Union Avenue, Islip, 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
2025-2026 $573,239 $40,700 31.564 $12,847 +3.54%
2024-2025 $573,239 $40,700 30.486 $12,408 +3.73%
2023-2024 $559,065 $40,700 29.39 $11,962 +1.68%
2022-2023 $491,545 $40,700 28.904 $11,764 +0.07%
2021-2022 $438,578 $40,700 28.884 $11,756 -4.44%

Permits for 87 Union Avenue, Islip

The complete history of permits filed for 87 Union Avenue, Islip, 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 87 Union Avenue, Islip 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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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Maud S Sherwood Elementary School 6 Public 2-5 335 0.54
St Mary School NR Private PK-8 413 0.88
St Mary School NR Private PK-8 413 0.88
Wing Elementary School NR Public K-1 379 1.01
John F Kennedy Elementary School 5 Public 3-5 450 1.34

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Islip Middle School 4 Public 6-8 641 0.58
St Mary School NR Private PK-8 413 0.88
St Patrick School NR Private PK-8 534 1.64
East Islip Middle School 6 Public 6-8 804 2.24
Bay Shore Middle School 5 Public 6-8 1,298 2.30

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Islip High School 9 Public 9-12 892 0.59
Bay Shore Senior High School 5 Public 9-12 1,910 2.21
East Islip High School 8 Public 9-12 1,145 2.30
MDQ Academy NR Private PK-12 412 3.60
Brentwood High School 3 Public 9-12 4,641 3.94

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 87 Union Avenue, Islip

Here are the neighbors for 87 Union Avenue, Islip.

Address Square feet Purchase date Purchase price
50 3rd St, Brentwood 01/06/2025 $10
191 Main St, West Sayville 03/06/2007
157 Baywoods Ln, Bay Shore 1,940 11/10/2022 $685,000
39 Lanier Ln, Bay Shore 06/22/2007 $525,000
668 Nichols Rd, Hauppauge 06/07/2007
505 Michigan St, Ronkonkoma 06/13/2007 $264,500
46 Erwin St, Sayville 02/02/2023
57 Foxglove Rd, West Islip 06/22/2007 $456,290
81 Macon St, Sayville 04/22/2016 $253,575
1739 Pine Grove Blvd, Bay Shore 09/22/2006 $365,000
1357 Peters Blvd, Bay Shore 06/22/2007 $449,000
8 Edmarc CT, Oakdale 2,531 07/27/2020 $557,000
60 N Center Ave, Bay Shore 04/18/2007
434 Everdell Ave, West Islip 06/19/2007 $629,990
14 Hickory St, Central Islip 1,099 01/27/2021
581 Beaver Ln, Ronkonkoma 05/01/2007
1945 Lincoln Ave, Holbrook 12/02/2016 $361,000
21 Girard Ave, Bay Shore 06/12/2007 $510,000
64 Locust Ave, Oakdale 02/05/2021
251 Connetquot Rd, Bayport 06/21/2007 $575,000
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