87 Union Ave
Islip, NY 11751
4 bd 2 ba Built 1894 Lot 7,841 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 | $32,000 | $8,700 | $40,700 | $14,124 |
| 2024 | $32,000 | $8,700 | $40,700 | $13,397 |
| 2023 | $32,000 | $8,700 | $40,700 | $13,397 |
| 2022 | $32,000 | $8,700 | $40,700 | $13,383 |
| 2021 | $35,200 | $8,700 | $43,900 | $13,921 |
| 2020 | $35,200 | $8,700 | $43,900 | $13,646 |
| 2018 | $35,200 | $8,700 | $43,900 | $11,964 |
| 2017 | $35,200 | $8,700 | $43,900 | $11,928 |
| 2016 | $35,200 | $8,700 | $43,900 | $11,830 |
| 2015 | $35,200 | $8,700 | $43,900 | $11,847 |
| 2014 | $35,200 | $8,700 | $43,900 | $11,664 |
| 2013 | $35,200 | $8,700 | $43,900 | $11,382 |
| 2012 | $35,200 | $8,700 | $43,900 | $10,954 |
| 2011 | $35,200 | $8,700 | $43,900 | $10,541 |
| 2010 | $35,200 | $8,700 | $43,900 | $10,087 |
| 2008 | $35,200 | $8,700 | $43,900 | $9,494 |
Property facts
Year built
1894
Property type
single_family
Stories
—
Beds
4
Baths
2
Living area
—
Lot size
7,841 sqft
ZIP code
11751
City
Islip
Street
Union Ave
Coordinates
40.72645, -73.21255
Frequently asked questions
When did 87 Union Ave last sell?
No public-record sale is on file for 87 Union Ave.
What is the current tax assessment for 87 Union Ave?
The most recent total assessment for 87 Union Ave (year 2025) is $40,700 with $14,124 in property tax.
When was 87 Union Ave built?
87 Union Ave was built in 1894.
How does 87 Union Ave compare to others on Union Ave?
We track 8 other properties on Union Ave. Browse the list under "Other properties on Union Ave" to compare beds, baths, and sale history.
What are the property facts for 87 Union Ave?
87 Union Ave is a 4 bed, 2 bath, 7,841 sqft lot single_family.
Is 87 Union Ave a flip candidate?
No — 87 Union Ave does not appear in our flips dataset.
Is 87 Union Ave a tax-appeal candidate?
No — 87 Union 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
-13.7%
Implied 1-yr
-54.6%
2026 Q1
$212.6K
2026 Q2
$212.6K
ZIP 11751 — Median Price History + Forecast
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