21 Carleton Ave
East Islip, NY 11730
— ba 216 sqft Lot 6,534 sqft other
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Nov 19, 2021 | Sold | $490,000 | Public Record |
| Jun 18, 2021 | Sold | $490,000 | OneKeyMLS |
| Jul 29, 2019 | Sold | $375,000 | Public Record |
| May 23, 2019 | Sold | $375,000 | OneKeyMLS |
| Mar 18, 2019 | Listed | $399,000 | OneKeyMLS |
| Jul 9, 1998 | Sold | $96,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $15,200 | $18,300 | $33,500 | $10,806 |
| 2024 | $15,200 | $18,300 | $33,500 | $11,781 |
| 2023 | $15,200 | $18,300 | $33,500 | $11,781 |
| 2022 | $15,200 | $18,300 | $33,500 | $11,382 |
| 2017 | $15,200 | $18,300 | $33,500 | $11,896 |
| 2016 | $15,200 | $18,300 | $33,500 | $11,785 |
| 2015 | $15,200 | $18,300 | $33,500 | $11,767 |
| 2014 | $15,200 | $18,300 | $33,500 | $11,632 |
| 2013 | $15,200 | $18,300 | $33,500 | $11,284 |
| 2012 | $15,200 | $18,300 | $33,500 | $11,400 |
| 2011 | $15,200 | $18,300 | $33,500 | $9,381 |
| 2010 | $15,200 | $18,300 | $33,500 | $8,926 |
| 2008 | $15,200 | $18,300 | $33,500 | $8,676 |
Property facts
Year built
—
Property type
other
Stories
—
Beds
—
Baths
—
Living area
216 sqft
Lot size
6,534 sqft
ZIP code
11730
City
East Islip
Street
Carleton Ave
Coordinates
40.73201, -73.19071
Comparable properties nearby
Frequently asked questions
When did 21 Carleton Ave last sell?
No public-record sale is on file for 21 Carleton Ave.
What is the current tax assessment for 21 Carleton Ave?
The most recent total assessment for 21 Carleton Ave (year 2025) is $33,500 with $10,806 in property tax.
When was 21 Carleton Ave built?
The year built for 21 Carleton Ave is not in our records.
How does 21 Carleton Ave compare to others on Carleton Ave?
We track 8 other properties on Carleton Ave. Browse the list under "Other properties on Carleton Ave" to compare beds, baths, and sale history.
What are the property facts for 21 Carleton Ave?
21 Carleton Ave is a — bath, 216 sqft, 6,534 sqft lot other.
Is 21 Carleton Ave a flip candidate?
Yes — 21 Carleton Ave appears in our flips dataset, indicating it sold twice within a short window with a notable price change.
Is 21 Carleton Ave a tax-appeal candidate?
No — 21 Carleton 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
+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 Carleton Ave