312 Grant Ave
Islip, NY 11751
— ba 1,903 sqft Built 1969 Lot 13,504 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 | $32,700 | $7,800 | $40,500 | $14,058 |
| 2024 | $32,700 | $7,800 | $40,500 | $13,334 |
| 2023 | $32,700 | $7,800 | $40,500 | $13,334 |
| 2022 | $32,700 | $7,800 | $40,500 | $13,320 |
| 2021 | $32,700 | $7,800 | $40,500 | $12,888 |
| 2020 | $32,700 | $7,800 | $40,500 | $12,549 |
| 2018 | $32,700 | $7,800 | $40,500 | $10,983 |
| 2017 | $32,700 | $7,800 | $40,500 | $10,912 |
| 2016 | $29,100 | $7,800 | $36,900 | $9,842 |
| 2015 | $29,100 | $7,800 | $36,900 | $9,863 |
| 2014 | $29,100 | $7,800 | $36,900 | $9,712 |
| 2013 | $29,100 | $7,800 | $36,900 | $9,480 |
| 2012 | $29,100 | $7,800 | $36,900 | $9,125 |
| 2011 | $31,400 | $7,800 | $39,200 | $9,357 |
| 2010 | $31,400 | $7,800 | $39,200 | $8,956 |
| 2008 | $31,400 | $7,800 | $39,200 | $8,434 |
| 2007 | $31,400 | $7,800 | $39,200 | $7,881 |
Property facts
Year built
1969
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
1,903 sqft
Lot size
13,504 sqft
ZIP code
11751
City
Islip
Street
Grant Ave
Coordinates
40.73952, -73.21459
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 312 Grant Ave last sell?
No public-record sale is on file for 312 Grant Ave.
What is the current tax assessment for 312 Grant Ave?
The most recent total assessment for 312 Grant Ave (year 2025) is $40,500 with $14,058 in property tax.
When was 312 Grant Ave built?
312 Grant Ave was built in 1969.
How does 312 Grant Ave compare to others on Grant Ave?
We track 6 other properties on Grant Ave. Browse the list under "Other properties on Grant Ave" to compare beds, baths, and sale history.
What are the property facts for 312 Grant Ave?
312 Grant Ave is a — bath, 1,903 sqft, 13,504 sqft lot single_family.
Is 312 Grant Ave a flip candidate?
No — 312 Grant Ave does not appear in our flips dataset.
Is 312 Grant Ave a tax-appeal candidate?
No — 312 Grant 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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