21 Cumberland St
Islip, NY 11751
5 bd 2 ba Built 1967 Lot 8,712 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 | $32,800 | $7,200 | $40,000 | $14,170 |
| 2024 | $32,800 | $7,200 | $40,000 | $11,456 |
| 2023 | $30,800 | $7,200 | $38,000 | $11,456 |
| 2022 | $30,800 | $7,200 | $38,000 | $11,446 |
| 2021 | $30,800 | $7,200 | $38,000 | $10,961 |
| 2020 | $30,800 | $7,200 | $38,000 | $10,641 |
| 2018 | $30,800 | $7,200 | $38,000 | $10,264 |
| 2017 | $30,800 | $7,200 | $38,000 | $10,199 |
| 2016 | $30,800 | $7,200 | $38,000 | $10,154 |
| 2015 | $30,800 | $7,200 | $38,000 | $10,175 |
| 2014 | $30,800 | $7,200 | $38,000 | $10,175 |
| 2013 | $30,800 | $7,200 | $38,000 | $9,782 |
| 2012 | $30,800 | $7,200 | $38,000 | $9,413 |
| 2011 | $30,800 | $7,200 | $38,000 | $9,089 |
| 2010 | $30,800 | $7,200 | $38,000 | $8,702 |
| 2008 | $30,800 | $7,200 | $38,000 | $8,163 |
| 2007 | $30,800 | $7,200 | $38,000 | $7,625 |
Property facts
Year built
1967
Property type
single_family
Stories
2
Beds
5
Baths
2
Living area
—
Lot size
8,712 sqft
ZIP code
11751
City
Islip
Street
Cumberland St
Coordinates
40.74944, -73.22637
Frequently asked questions
When did 21 Cumberland St last sell?
No public-record sale is on file for 21 Cumberland St.
What is the current tax assessment for 21 Cumberland St?
The most recent total assessment for 21 Cumberland St (year 2025) is $40,000 with $14,170 in property tax.
When was 21 Cumberland St built?
21 Cumberland St was built in 1967.
How does 21 Cumberland St compare to others on Cumberland St?
We track 7 other properties on Cumberland St. Browse the list under "Other properties on Cumberland St" to compare beds, baths, and sale history.
What are the property facts for 21 Cumberland St?
21 Cumberland St is a 5 bed, 2 bath, 8,712 sqft lot single_family.
Is 21 Cumberland St a flip candidate?
No — 21 Cumberland St does not appear in our flips dataset.
Is 21 Cumberland St a tax-appeal candidate?
No — 21 Cumberland 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
-13.7%
Implied 1-yr
-54.6%
2026 Q1
$212.6K
2026 Q2
$212.6K
ZIP 11751 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Cumberland St