21 Langdon St
Islip, NY 11751
— ba 2,058 sqft Built 1995 Lot 11,326 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 | $34,000 | $8,000 | $42,000 | $13,619 |
| 2024 | $34,000 | $8,000 | $42,000 | $12,715 |
| 2023 | $34,000 | $8,000 | $42,000 | $12,715 |
| 2022 | $34,000 | $8,000 | $42,000 | $12,891 |
| 2021 | $34,000 | $8,000 | $42,000 | $12,354 |
| 2017 | $34,000 | $8,000 | $42,000 | $11,509 |
| 2016 | $34,000 | $8,000 | $42,000 | $11,453 |
| 2015 | $34,000 | $8,000 | $42,000 | $11,429 |
| 2014 | $34,000 | $8,000 | $42,000 | $11,134 |
| 2013 | $34,000 | $8,000 | $42,000 | $11,015 |
| 2012 | $34,000 | $8,000 | $42,000 | $10,545 |
| 2011 | $34,000 | $8,000 | $42,000 | $10,097 |
| 2010 | $34,000 | $8,000 | $42,000 | $9,665 |
| 2008 | $34,000 | $8,000 | $42,000 | $9,065 |
Property facts
Year built
1995
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
2,058 sqft
Lot size
11,326 sqft
ZIP code
11751
City
Islip
Street
Langdon St
Coordinates
40.75002, -73.22700
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Langdon St last sell?
No public-record sale is on file for 21 Langdon St.
What is the current tax assessment for 21 Langdon St?
The most recent total assessment for 21 Langdon St (year 2025) is $42,000 with $13,619 in property tax.
When was 21 Langdon St built?
21 Langdon St was built in 1995.
How does 21 Langdon St compare to others on Langdon St?
We track 3 other properties on Langdon St. Browse the list under "Other properties on Langdon St" to compare beds, baths, and sale history.
What are the property facts for 21 Langdon St?
21 Langdon St is a — bath, 2,058 sqft, 11,326 sqft lot single_family.
Is 21 Langdon St a flip candidate?
No — 21 Langdon St does not appear in our flips dataset.
Is 21 Langdon St a tax-appeal candidate?
No — 21 Langdon 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 Langdon St