21 Roslyn St
Islip Terrace, NY 11752
— ba 1,002 sqft Built 1927 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 | $22,350 | $6,900 | $29,250 | $9,243 |
| 2024 | $22,350 | $6,900 | $29,250 | $8,899 |
| 2023 | $22,350 | $6,900 | $29,250 | $8,899 |
| 2022 | $22,350 | $6,900 | $29,250 | $8,984 |
| 2021 | $22,350 | $6,900 | $29,250 | $8,760 |
| 2020 | $22,350 | $6,900 | $29,250 | $8,693 |
| 2018 | $22,350 | $6,900 | $29,250 | $8,673 |
| 2017 | $22,350 | $6,900 | $29,250 | $8,676 |
| 2016 | $22,350 | $6,900 | $29,250 | $8,711 |
| 2015 | $22,350 | $6,900 | $29,250 | $9,005 |
| 2014 | $22,350 | $6,900 | $29,250 | $9,044 |
| 2013 | $22,350 | $6,900 | $29,250 | $8,924 |
| 2012 | $22,350 | $6,900 | $29,250 | $8,616 |
| 2011 | $22,350 | $6,900 | $29,250 | $8,250 |
| 2010 | $22,350 | $6,900 | $29,250 | $7,861 |
| 2008 | $22,350 | $6,900 | $29,250 | $7,713 |
Property facts
Year built
1927
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
1,002 sqft
Lot size
8,712 sqft
ZIP code
11752
City
Islip Terrace
Street
Roslyn St
Coordinates
40.74542, -73.19089
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Roslyn St last sell?
No public-record sale is on file for 21 Roslyn St.
What is the current tax assessment for 21 Roslyn St?
The most recent total assessment for 21 Roslyn St (year 2025) is $29,250 with $9,243 in property tax.
When was 21 Roslyn St built?
21 Roslyn St was built in 1927.
How does 21 Roslyn St compare to others on Roslyn St?
We track 8 other properties on Roslyn St. Browse the list under "Other properties on Roslyn St" to compare beds, baths, and sale history.
What are the property facts for 21 Roslyn St?
21 Roslyn St is a — bath, 1,002 sqft, 8,712 sqft lot single_family.
Is 21 Roslyn St a flip candidate?
No — 21 Roslyn St does not appear in our flips dataset.
Is 21 Roslyn St a tax-appeal candidate?
No — 21 Roslyn 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
+1.7%
Implied 1-yr
+6.7%
2026 Q1
$652.5K
2026 Q2
$662.4K
ZIP 11752 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Roslyn St