40 Elm St
Central Islip, NY 11722
1,390 sqft Built 1961 Lot 7,405 sqft single_family
Most recent sale
$365,000
Jan 8, 2007
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| May 26, 2023 | Sold | $428,000 | Public Record |
| Mar 3, 2023 | Sold | $428,000 | OneKeyMLS |
| Aug 5, 2022 | Price changed | $419,000 | MLS #3371972 |
| Aug 2, 2022 | Price changed | $429,000 | MLS #3371972 |
| Jul 28, 2022 | Price changed | $449,000 | MLS #3371972 |
| Apr 6, 2022 | Price changed | $419,000 | MLS #3371972 |
| Jan 25, 2022 | Listed | $399,000 | MLS #3371972 |
| Jan 8, 2007 | Sold | $365,000 | Public Record |
| Dec 21, 2001 | Sold | $164,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $24,900 | $5,600 | $30,500 | $10,160 |
| 2017 | $23,900 | $5,600 | $29,500 | $8,980 |
| 2016 | $23,900 | $5,600 | $29,500 | $8,909 |
| 2015 | $23,900 | $5,600 | $29,500 | $8,854 |
| 2014 | $23,900 | $5,600 | $29,500 | $8,799 |
| 2013 | $23,900 | $5,600 | $29,500 | $7,265 |
| 2012 | $23,900 | $5,600 | $29,500 | $7,008 |
| 2011 | $23,900 | $5,600 | $29,500 | $6,753 |
| 2010 | $23,900 | $5,600 | $29,500 | $6,582 |
| 2009 | $23,900 | $5,600 | $29,500 | $6,234 |
| 2008 | $23,900 | $5,600 | $29,500 | $7,109 |
Property facts
Year built
1961
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
1,390 sqft
Lot size
7,405 sqft
ZIP code
11722
City
Central Islip
Street
Elm St
Coordinates
40.78314, -73.18505
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 40 Elm St last sell?
40 Elm St most recently sold on Jan 8, 2007 for $365,000.
What is the current tax assessment for 40 Elm St?
The most recent total assessment for 40 Elm St (year 2025) is $30,500 with $10,160 in property tax.
How does 40 Elm St's assessment compare to its last sale price?
The current assessment is 91.6% below the last sale price of $365,000.
When was 40 Elm St built?
40 Elm St was built in 1961.
How does 40 Elm St compare to others on Elm St?
We track 8 other properties on Elm St. Browse the list under "Other properties on Elm St" to compare beds, baths, and sale history.
What are the property facts for 40 Elm St?
40 Elm St is a 1,390 sqft, 7,405 sqft lot single_family.
Is 40 Elm St a flip candidate?
No — 40 Elm St does not appear in our flips dataset.
Is 40 Elm St a tax-appeal candidate?
No — 40 Elm St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-2.9%
Implied 1-yr
-11.7%
2026 Q1
$467.5K
2026 Q2
$450.6K