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146 Gladstone Avenue, West Islip, NY 11795 Property Information

146 Gladstone Avenue, West Islip, NY 11795 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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146 Gladstone Avenue, West Islip, NY 11795
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Address

Primary address 146 Gladstone Avenue, West Islip
Zip code 11795
County Suffolk
Municipality Islip
Parcel ID 437-2-124

Sales & Tax Overview for 146 Gladstone Avenue, West Islip

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

Sale date 01/31/2002
Sale price $257,500
Arm's length
Current property tax $9,338

Lot & Building Information for 146 Gladstone Avenue, West Islip

Building class One Family Year-Round Residence (210)
Acreage 0.3
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district West Islip

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

Other Property Data for 146 Gladstone Avenue, West Islip

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  • • Improvements for 146 Gladstone Avenue, West Islip , including their type, square footage, grade and when they were built.
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About 146 Gladstone Avenue, West Islip

What is the assessed value of 146 Gladstone Avenue, West Islip, NY 11795 and the property tax paid?

Assessed at $35,100, the tax amount paid for 146 Gladstone Avenue, West Islip, NY 11795 is $10,166.

When was 146 Gladstone Avenue, West Islip, NY 11795 last sold and what was the last sale price?

146 Gladstone Avenue, West Islip, NY 11795 was last sold in 01/31/2002 for $257,500.

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 146 Gladstone Avenue, West Islip

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Purchase date Purchase price Buyer name Seller name
01/31/2002 $257,500

Title Documents for 146 Gladstone Avenue, West Islip

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Date Type Amount Party 1 Party 2 Doc image
01/31/2002 - D
02/19/2002 - R
Deed
           
           
           
           
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R: Recorded date
D: Document date

Property Taxes for 146 Gladstone Avenue, West Islip

Access detailed property tax data for 146 Gladstone Avenue, West Islip, NY 11795. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025-2026
Base tax $10,166
Current property tax $9,338
Market value $494,366
Assessed value $35,100

Assessment History for 146 Gladstone Avenue, West Islip

Here's the assessment & property tax history for 146 Gladstone Avenue, West 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
2024-2025 $494,366 $35,100 27.624 $9,696 +3.86%
2023-2024 $482,143 $35,100 26.598 $9,336 +1.06%
2022-2023 $423,913 $35,100 26.319 $9,238 +0.07%
2021-2022 $378,233 $35,100 26.301 $9,232 +2.12%
2020-2021 $361,856 $35,100 25.754 $9,040 -23.63%

Permits for 146 Gladstone Avenue, West Islip

The complete history of permits filed for 146 Gladstone Avenue, West 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

Create a free account to unlock extended information for 146 Gladstone Avenue, West Islip, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

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

Transportation

Access the detailed traffic volume map for 146 Gladstone Avenue, West 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)
Oquenock Elementary School 3 Public PK, K-5 397 0.71
Oquenock Elementary School 3 Public PK, K-5 397 0.71
South Country School 3 Public 3-5 469 0.72
Gardiner Manor School 4 Public 3-5 702 0.87
St Peters By The Sea Episcopal Day School NR Private PK, K-8 176 0.99

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Beach Street Middle School 6 Public 6-8 405 0.91
St Peters By The Sea Episcopal Day School NR Private PK, K-8 176 0.99
Our Lady Of Lourdes School NR Private PK-8 209 1.29
Bridges Academy (The) NR Private PK-8 211 1.32
The Bridges Academy NR Private PK, K-8 0 1.37

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
West Islip Senior High School 9 Public 9-12 1,262 1.11
St John The Baptist Diocesan High School NR Private 9-12 1,335 1.24
Bay Shore Senior High School 5 Public 9-12 1,910 2.17
Babylon Junior Senior High School 5 Public 7-12 703 2.18
North Babylon High School 6 Public 9-12 1,506 2.19

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

Neighbors for 146 Gladstone Avenue, West Islip

Here are the neighbors for 146 Gladstone Avenue, West Islip.

Address Square feet Purchase date Purchase price
68 Reilly St, West Islip 02/06/2002 $230,000
155 Bayview Ave, East Islip 2,248 08/18/2021 $550,000
59 Bardolier Ln, Bay Shore 1,390 01/16/2025 $675,000
520 Nostrand Ave, Central Islip 05/07/2003 $285,000
58 Hyde Park Ave, Bay Shore 02/23/2005 $390,000
43 Poplar St, Central Islip 03/21/2005 $140,000
214 Greene Ave, Sayville 01/29/2002 $480,000
3 Jaro CT, Bay Shore 10/01/2004 $369,000
45 Hampton St, Sayville 12/18/2002 $390,000
1116 Terry Rd, Ronkonkoma 11/15/2010 $480,000
1355 Pine Dr, Bay Shore 01/18/2002 $235,000
6 Oakland St, Brentwood 01/29/2002 $148,000
24 Rossmore Ave, Central Islip 08/10/2004 $283,500
52 Monroe Ave, Brentwood 960 03/12/2021 $415,000
331 Hunter Ave, West Islip 04/05/2005 $390,000
57 Columbus Ave, Brentwood 07/25/2012
18 Garner Ln, Bay Shore 5,201 05/02/2024 $2,861,250
11 East CT, West Islip 08/30/2011
863 Keith Ln, West Islip 1,632 01/27/2021 $410,000
280 Evergreen Ave, Central Islip 01/16/2002

Nearby ZIP Codes for 146 Gladstone Avenue, West Islip

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