50 Duncan Ave
Lake Ronkonkoma, NY 11779
3 bd 2 ba 1,469 sqft Built 1973 Lot 13,068 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Feb 15, 2023 | Sold | $485,000 | Public Record |
| Dec 6, 2022 | Sold | $485,000 | OneKeyMLS |
| Oct 12, 2022 | Listed | $475,000 | MLS #3404975 |
| Jun 21, 2022 | Price changed | $475,000 | MLS #3404975 |
| Jun 3, 2022 | Listed | $539,900 | MLS #3404975 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $2,850 | $250 | $3,100 | $11,705 |
| 2024 | $2,850 | $250 | $3,100 | $10,327 |
| 2023 | $2,850 | $250 | $3,100 | $10,077 |
| 2022 | $2,850 | $250 | $3,100 | $9,637 |
| 2021 | $2,850 | $250 | $3,100 | $9,441 |
| 2020 | $2,850 | $250 | $3,100 | $9,418 |
| 2019 | $2,850 | $250 | $3,100 | $9,418 |
| 2018 | $2,850 | $250 | $3,100 | $9,088 |
| 2017 | $2,850 | $250 | $3,100 | $8,769 |
| 2016 | $2,850 | $250 | $3,100 | $8,754 |
| 2015 | $2,850 | $250 | $3,100 | $8,556 |
| 2014 | $2,850 | $250 | $3,100 | $8,444 |
| 2013 | $2,850 | $250 | $3,100 | $8,145 |
| 2012 | $2,850 | $250 | $3,100 | $7,758 |
| 2011 | $2,850 | $250 | $3,100 | $7,514 |
| 2010 | $2,850 | $250 | $3,100 | $7,468 |
| 2009 | $2,850 | $250 | $3,100 | $7,258 |
| 2008 | $2,850 | $250 | $3,100 | $7,190 |
| 2007 | $2,850 | $250 | $3,100 | $7,049 |
| 2006 | $2,850 | $250 | $3,100 | $7,049 |
Property facts
Year built
1973
Property type
single_family
Stories
2
Beds
3
Baths
2
Living area
1,469 sqft
Lot size
13,068 sqft
ZIP code
11779
City
Lake Ronkonkoma
Street
Duncan Ave
Coordinates
40.82431, -73.09866
Comparable properties nearby
Frequently asked questions
When did 50 Duncan Ave last sell?
No public-record sale is on file for 50 Duncan Ave.
What is the current tax assessment for 50 Duncan Ave?
The most recent total assessment for 50 Duncan Ave (year 2025) is $3,100 with $11,705 in property tax.
When was 50 Duncan Ave built?
50 Duncan Ave was built in 1973.
How does 50 Duncan Ave compare to others on Duncan Ave?
We do not currently track other properties on Duncan Ave.
What are the property facts for 50 Duncan Ave?
50 Duncan Ave is a 3 bed, 2 bath, 1,469 sqft, 13,068 sqft lot single_family.
Is 50 Duncan Ave a flip candidate?
No — 50 Duncan Ave does not appear in our flips dataset.
Is 50 Duncan Ave a tax-appeal candidate?
No — 50 Duncan Ave 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
+4.3%
2026 Q3
$566.9K
2026 Q4
$572.5K
ZIP 11779 — Median Price History + Forecast
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Geography