56 Gladstone Ave
West Islip, NY 11795
3 bd 1 ba Built 1960 Lot 12,632 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $25,500 | $10,000 | $35,500 | $11,267 |
| 2024 | $25,500 | $10,000 | $35,500 | $10,575 |
| 2023 | $25,500 | $10,000 | $35,500 | $10,575 |
| 2022 | $25,500 | $10,000 | $35,500 | $10,796 |
| 2021 | $25,500 | $10,000 | $35,500 | $10,372 |
| 2020 | $25,500 | $10,000 | $35,500 | $10,135 |
| 2017 | $25,500 | $10,000 | $35,500 | $8,559 |
| 2016 | $25,500 | $10,000 | $35,500 | $8,602 |
| 2015 | $25,500 | $10,000 | $35,500 | $8,789 |
| 2014 | $25,500 | $10,000 | $35,500 | $8,765 |
| 2013 | $25,500 | $10,000 | $35,500 | $8,614 |
| 2012 | $25,500 | $10,000 | $35,500 | $8,334 |
| 2011 | $25,500 | $10,000 | $35,500 | $8,075 |
| 2010 | $25,500 | $10,000 | $35,500 | $7,653 |
| 2008 | $25,500 | $10,000 | $35,500 | $7,285 |
Property facts
Year built
1960
Property type
single_family
Stories
—
Beds
3
Baths
1
Living area
—
Lot size
12,632 sqft
ZIP code
11795
City
West Islip
Street
Gladstone Ave
Coordinates
40.70336, -73.28764
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 56 Gladstone Ave last sell?
No public-record sale is on file for 56 Gladstone Ave.
What is the current tax assessment for 56 Gladstone Ave?
The most recent total assessment for 56 Gladstone Ave (year 2025) is $35,500 with $11,267 in property tax.
When was 56 Gladstone Ave built?
56 Gladstone Ave was built in 1960.
How does 56 Gladstone Ave compare to others on Gladstone Ave?
We track 8 other properties on Gladstone Ave. Browse the list under "Other properties on Gladstone Ave" to compare beds, baths, and sale history.
What are the property facts for 56 Gladstone Ave?
56 Gladstone Ave is a 3 bed, 1 bath, 12,632 sqft lot single_family.
Is 56 Gladstone Ave a flip candidate?
No — 56 Gladstone Ave does not appear in our flips dataset.
Is 56 Gladstone Ave a tax-appeal candidate?
No — 56 Gladstone Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+3.9%
Implied 1-yr
+15.5%
2026 Q2
$1.35M
2026 Q3
$1.35M
ZIP 11795 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Gladstone Ave