1638 Jefferson Ave
West Islip, NY 11795
3 bd 3 ba Built 1961 Lot 5,663 sqft single_family
Most recent sale
$637,000
Sep 29, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Feb 23, 2023 | Sold | $637,000 | Public Record |
| Sep 29, 2022 | Sold | $637,000 | MLS #3418371 |
| Aug 12, 2022 | Relisted | $599,000 | MLS #3418371 |
| Aug 9, 2022 | Listing removed | $599,000 | OneKeyMLS |
| Jul 25, 2022 | Listed | $599,000 | MLS #3418371 |
| Jun 15, 2022 | Sold | $630,000 | Public Record |
| May 4, 2022 | Sold | $630,000 | MLS #3379443 |
| Mar 22, 2022 | Relisted | $519,000 | MLS #3379443 |
| Mar 7, 2022 | Listing removed | $519,000 | OneKeyMLS |
| Mar 1, 2022 | Listed | $519,000 | MLS #3379443 |
| Sep 10, 2018 | Sold | $429,000 | MLS #3028983 |
| Jun 19, 2018 | Price changed | $429,000 | MLS #3028983 |
| Jun 9, 2018 | Price changed | $449,999 | MLS #3028983 |
| May 24, 2018 | Price changed | $459,000 | MLS #3028983 |
| May 10, 2018 | Listed | $469,000 | MLS #3028983 |
| Jul 8, 1998 | Sold | $176,000 | Public Record |
| Jan 15, 1991 | Sold | $159,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $35,200 | $8,000 | $43,200 | $13,604 |
| 2024 | $35,200 | $8,000 | $43,200 | $13,018 |
| 2023 | $35,200 | $8,000 | $43,200 | $13,018 |
| 2022 | $39,900 | $8,000 | $47,900 | $11,744 |
| 2021 | $39,900 | $8,000 | $47,900 | $14,008 |
| 2020 | $39,900 | $8,000 | $47,900 | $13,681 |
| 2019 | $39,900 | $8,000 | $47,900 | $13,682 |
| 2018 | $36,100 | $8,000 | $44,100 | $11,025 |
| 2017 | $36,100 | $8,000 | $44,100 | $10,779 |
| 2016 | $36,100 | $8,000 | $44,100 | $10,829 |
| 2015 | $36,100 | $8,000 | $44,100 | $11,056 |
| 2014 | $36,100 | $8,000 | $44,100 | $11,021 |
| 2013 | $36,100 | $8,000 | $44,100 | $10,823 |
| 2012 | $36,100 | $8,000 | $44,100 | $10,425 |
| 2011 | $36,100 | $8,000 | $44,100 | $10,145 |
| 2010 | $36,100 | $8,000 | $44,100 | $9,617 |
| 2009 | $36,100 | $8,000 | $44,100 | $9,146 |
| 2008 | $36,100 | $8,000 | $44,100 | $9,145 |
| 2007 | $36,100 | $8,000 | $44,100 | $8,646 |
Property facts
Year built
1961
Property type
single_family
Stories
—
Beds
3
Baths
3
Living area
—
Lot size
5,663 sqft
ZIP code
11795
City
West Islip
Street
Jefferson Ave
Coordinates
40.72528, -73.31101
Frequently asked questions
When did 1638 Jefferson Ave last sell?
1638 Jefferson Ave most recently sold on Sep 29, 2022 for $637,000.
What is the current tax assessment for 1638 Jefferson Ave?
The most recent total assessment for 1638 Jefferson Ave (year 2025) is $43,200 with $13,604 in property tax.
How does 1638 Jefferson Ave's assessment compare to its last sale price?
The current assessment is 93.2% below the last sale price of $637,000.
When was 1638 Jefferson Ave built?
1638 Jefferson Ave was built in 1961.
How does 1638 Jefferson Ave compare to others on Jefferson Ave?
We track 8 other properties on Jefferson Ave. Browse the list under "Other properties on Jefferson Ave" to compare beds, baths, and sale history.
What are the property facts for 1638 Jefferson Ave?
1638 Jefferson Ave is a 3 bed, 3 bath, 5,663 sqft lot single_family.
Is 1638 Jefferson Ave a flip candidate?
No — 1638 Jefferson Ave does not appear in our flips dataset.
Is 1638 Jefferson Ave a tax-appeal candidate?
No — 1638 Jefferson 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 Jefferson Ave