21 Diane Ln
East Northport, NY 11731
— ba Lot 15,246 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 | $3,050 | $350 | $3,400 | $16,815 |
| 2024 | $3,050 | $350 | $3,400 | $15,544 |
| 2023 | $3,050 | $350 | $3,400 | $7,536 |
| 2022 | $3,050 | $350 | $3,400 | $14,801 |
| 2021 | $3,050 | $350 | $3,400 | $7,218 |
| 2020 | $3,050 | $350 | $3,400 | $14,126 |
| 2018 | $3,050 | $350 | $3,400 | $16,231 |
| 2017 | $3,050 | $350 | $3,400 | $10,866 |
| 2016 | $3,050 | $350 | $3,400 | $10,635 |
| 2015 | $3,050 | $350 | $3,400 | $10,305 |
| 2014 | $3,050 | $350 | $3,400 | $10,288 |
| 2013 | $3,050 | $350 | $3,400 | $8,902 |
| 2012 | $3,450 | $350 | $3,800 | $9,664 |
| 2011 | $3,450 | $350 | $3,800 | $9,316 |
| 2010 | $3,450 | $350 | $3,800 | $8,949 |
| 2008 | $4,000 | $350 | $4,350 | $9,457 |
| 2007 | $4,000 | $350 | $4,350 | $9,291 |
| 2006 | $4,000 | $350 | $4,350 | $8,765 |
Property facts
Year built
—
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
—
Lot size
15,246 sqft
ZIP code
11731
City
East Northport
Street
Diane Ln
Coordinates
40.85668, -73.29786
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Diane Ln last sell?
No public-record sale is on file for 21 Diane Ln.
What is the current tax assessment for 21 Diane Ln?
The most recent total assessment for 21 Diane Ln (year 2025) is $3,400 with $16,815 in property tax.
When was 21 Diane Ln built?
The year built for 21 Diane Ln is not in our records.
How does 21 Diane Ln compare to others on Diane Ln?
We track 1 other property on Diane Ln. Browse the list under "Other properties on Diane Ln" to compare beds, baths, and sale history.
What are the property facts for 21 Diane Ln?
21 Diane Ln is a — bath, 15,246 sqft lot single_family.
Is 21 Diane Ln a flip candidate?
No — 21 Diane Ln does not appear in our flips dataset.
Is 21 Diane Ln a tax-appeal candidate?
No — 21 Diane 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
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