1290 Islip Ave
Brentwood, NY 11717
— ba 1,108 sqft Built 1988 Lot 11,761 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 | $28,700 | $7,800 | $36,500 | $9,611 |
| 2017 | $28,700 | $7,800 | $36,500 | $8,145 |
| 2016 | $28,700 | $7,800 | $36,500 | $8,049 |
| 2015 | $28,700 | $7,800 | $36,500 | $8,022 |
| 2014 | $28,700 | $7,800 | $36,500 | $7,918 |
| 2013 | $28,700 | $7,800 | $36,500 | $7,693 |
| 2012 | $28,700 | $7,800 | $36,500 | $7,477 |
| 2011 | $28,700 | $7,800 | $36,500 | $7,194 |
| 2010 | $28,700 | $7,800 | $36,500 | $6,896 |
| 2008 | $28,700 | $7,800 | $36,500 | $6,531 |
Property facts
Year built
1988
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
1,108 sqft
Lot size
11,761 sqft
ZIP code
11717
City
Brentwood
Street
Islip Ave
Coordinates
40.77123, -73.21277
Comparable properties nearby
Frequently asked questions
When did 1290 Islip Ave last sell?
No public-record sale is on file for 1290 Islip Ave.
What is the current tax assessment for 1290 Islip Ave?
The most recent total assessment for 1290 Islip Ave (year 2025) is $36,500 with $9,611 in property tax.
When was 1290 Islip Ave built?
1290 Islip Ave was built in 1988.
How does 1290 Islip Ave compare to others on Islip Ave?
We track 8 other properties on Islip Ave. Browse the list under "Other properties on Islip Ave" to compare beds, baths, and sale history.
What are the property facts for 1290 Islip Ave?
1290 Islip Ave is a — bath, 1,108 sqft, 11,761 sqft lot single_family.
Is 1290 Islip Ave a flip candidate?
No — 1290 Islip Ave does not appear in our flips dataset.
Is 1290 Islip Ave a tax-appeal candidate?
No — 1290 Islip 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
+1.8%
Implied 1-yr
+7.3%
2026 Q2
$606.3K
2026 Q3
$616.1K
ZIP 11717 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Islip Ave