40 Jefferson St
East Islip, NY 11730
— ba 869 sqft Built 1920 Lot 10,019 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 | $8,100 | $36,800 | $11,364 |
| 2024 | $28,700 | $8,100 | $36,800 | $10,948 |
| 2023 | $28,700 | $8,100 | $36,800 | $10,948 |
| 2022 | $28,700 | $8,100 | $36,800 | $10,077 |
| 2021 | $28,700 | $8,100 | $36,800 | $9,716 |
| 2020 | $28,700 | $8,100 | $36,800 | $9,603 |
| 2018 | $28,700 | $8,100 | $36,800 | $9,450 |
| 2017 | $28,700 | $8,100 | $36,800 | $9,415 |
| 2016 | $28,700 | $8,100 | $36,800 | $9,479 |
| 2015 | $23,100 | $8,100 | $31,200 | $8,120 |
| 2014 | $23,100 | $8,100 | $31,200 | $8,185 |
| 2013 | $23,100 | $8,100 | $31,200 | $8,083 |
| 2012 | $23,100 | $8,100 | $31,200 | $7,774 |
| 2011 | $23,100 | $8,100 | $31,200 | $7,442 |
| 2010 | $23,100 | $8,100 | $31,200 | $7,041 |
| 2008 | $23,100 | $8,100 | $31,200 | $6,851 |
| 2007 | $23,100 | $8,100 | $31,200 | $6,394 |
Property facts
Year built
1920
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
869 sqft
Lot size
10,019 sqft
ZIP code
11730
City
East Islip
Street
Jefferson St
Coordinates
40.73892, -73.18653
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 40 Jefferson St last sell?
No public-record sale is on file for 40 Jefferson St.
What is the current tax assessment for 40 Jefferson St?
The most recent total assessment for 40 Jefferson St (year 2025) is $36,800 with $11,364 in property tax.
When was 40 Jefferson St built?
40 Jefferson St was built in 1920.
How does 40 Jefferson St compare to others on Jefferson St?
We track 8 other properties on Jefferson St. Browse the list under "Other properties on Jefferson St" to compare beds, baths, and sale history.
What are the property facts for 40 Jefferson St?
40 Jefferson St is a — bath, 869 sqft, 10,019 sqft lot single_family.
Is 40 Jefferson St a flip candidate?
No — 40 Jefferson St does not appear in our flips dataset.
Is 40 Jefferson St a tax-appeal candidate?
No — 40 Jefferson 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
+2.1%
Implied 1-yr
+8.4%
2026 Q3
$806.5K
2026 Q4
$821.5K
ZIP 11730 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Jefferson St