114 Union Ave
Islip, NY 11751
— ba 1,473 sqft Built 1920 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 | $23,550 | $10,400 | $33,950 | $11,880 |
| 2024 | $23,550 | $10,400 | $33,950 | $11,273 |
| 2023 | $23,550 | $10,400 | $33,950 | $11,273 |
| 2022 | $23,550 | $10,400 | $33,950 | $11,268 |
| 2021 | $23,550 | $10,400 | $33,950 | $5,449 |
| 2017 | $23,550 | $10,400 | $33,950 | $10,242 |
| 2016 | $23,550 | $10,400 | $33,950 | $9,006 |
| 2015 | $23,550 | $10,400 | $33,950 | $9,027 |
| 2014 | $23,550 | $10,400 | $33,950 | $8,890 |
| 2013 | $23,550 | $10,400 | $33,950 | $8,679 |
| 2012 | $23,550 | $10,400 | $33,950 | $8,355 |
| 2011 | $23,550 | $10,400 | $33,950 | $8,037 |
| 2010 | $23,550 | $10,400 | $33,950 | $7,692 |
| 2008 | $23,550 | $10,400 | $33,950 | $7,250 |
Property facts
Year built
1920
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
1,473 sqft
Lot size
7,841 sqft
ZIP code
11751
City
Islip
Street
Union Ave
Coordinates
40.72541, -73.21282
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 114 Union Ave last sell?
No public-record sale is on file for 114 Union Ave.
What is the current tax assessment for 114 Union Ave?
The most recent total assessment for 114 Union Ave (year 2025) is $33,950 with $11,880 in property tax.
When was 114 Union Ave built?
114 Union Ave was built in 1920.
How does 114 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 114 Union Ave?
114 Union Ave is a — bath, 1,473 sqft, 7,841 sqft lot single_family.
Is 114 Union Ave a flip candidate?
No — 114 Union Ave does not appear in our flips dataset.
Is 114 Union Ave a tax-appeal candidate?
No — 114 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
Explore nearby
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