21 Greendale Ln
East Northport, NY 11731
5 bd — ba 2,427 sqft Built 1972 Lot 14,893 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 | $2,525 | $375 | $2,900 | $13,371 |
| 2024 | $2,525 | $375 | $2,900 | $12,734 |
| 2023 | $2,525 | $375 | $2,900 | $12,483 |
| 2022 | $2,525 | $375 | $2,900 | $12,887 |
| 2021 | $2,525 | $375 | $2,900 | $10,203 |
| 2020 | $2,525 | $375 | $2,900 | $10,026 |
| 2018 | $2,525 | $375 | $2,900 | $9,736 |
| 2017 | $2,525 | $375 | $2,900 | $9,397 |
| 2016 | $2,525 | $375 | $2,900 | $9,181 |
| 2015 | $2,525 | $375 | $2,900 | $9,000 |
| 2014 | $2,525 | $375 | $2,900 | $8,803 |
| 2013 | $2,525 | $375 | $2,900 | $8,800 |
| 2012 | $2,725 | $375 | $3,100 | $9,130 |
| 2011 | $2,725 | $375 | $3,100 | $8,849 |
| 2010 | $2,725 | $375 | $3,100 | $8,103 |
| 2008 | $2,725 | $375 | $3,100 | $7,647 |
| 2007 | $2,725 | $375 | $3,100 | $7,252 |
| 2006 | $2,725 | $375 | $3,100 | $6,982 |
Property facts
Year built
1972
Property type
single_family
Stories
—
Beds
5
Baths
—
Living area
2,427 sqft
Lot size
14,893 sqft
ZIP code
11731
City
East Northport
Street
Greendale Ln
Coordinates
40.84728, -73.32073
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Greendale Ln last sell?
No public-record sale is on file for 21 Greendale Ln.
What is the current tax assessment for 21 Greendale Ln?
The most recent total assessment for 21 Greendale Ln (year 2025) is $2,900 with $13,371 in property tax.
When was 21 Greendale Ln built?
21 Greendale Ln was built in 1972.
How does 21 Greendale Ln compare to others on Greendale Ln?
We track 3 other properties on Greendale Ln. Browse the list under "Other properties on Greendale Ln" to compare beds, baths, and sale history.
What are the property facts for 21 Greendale Ln?
21 Greendale Ln is a 5 bed, — bath, 2,427 sqft, 14,893 sqft lot single_family.
Is 21 Greendale Ln a flip candidate?
No — 21 Greendale Ln does not appear in our flips dataset.
Is 21 Greendale Ln a tax-appeal candidate?
No — 21 Greendale Ln is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+1.1%
Implied 1-yr
+4.2%
2026 Q3
$841.8K
2026 Q4
$850K
ZIP 11731 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Greendale Ln