45 Union Ave
Ronkonkoma, NY 11779
3 bd 1 ba Built 1948 Lot 46,174 sqft single_family
Most recent sale
$310,000
Jan 15, 2014
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Jul 22, 2024 | Sold | $725,000 | Public Record |
| May 28, 2024 | Sold | $725,000 | OneKeyMLS |
| Feb 6, 2024 | Price changed | $749,000 | OneKeyMLS |
| Nov 12, 2023 | Price changed | $799,000 | OneKeyMLS |
| Sep 5, 2023 | Listed | $849,995 | OneKeyMLS |
| Jan 15, 2014 | Sold | $310,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $1,600 | $600 | $2,200 | $8,424 |
| 2024 | $1,600 | $600 | $2,200 | $8,048 |
| 2023 | $1,600 | $600 | $2,200 | $7,897 |
| 2022 | $1,600 | $600 | $2,200 | $7,582 |
| 2021 | $1,600 | $600 | $2,200 | $7,444 |
| 2020 | $1,600 | $600 | $2,200 | $7,455 |
| 2018 | $1,600 | $600 | $2,200 | $7,239 |
| 2017 | $1,600 | $600 | $2,200 | $6,999 |
| 2016 | $1,600 | $600 | $2,200 | $6,974 |
| 2015 | $1,600 | $600 | $2,200 | $6,820 |
| 2014 | $1,600 | $600 | $2,200 | $6,733 |
| 2013 | $1,600 | $600 | $2,200 | $6,546 |
| 2012 | $1,600 | $600 | $2,200 | $6,497 |
| 2011 | $1,600 | $600 | $2,200 | $6,213 |
| 2010 | $1,600 | $600 | $2,200 | $6,028 |
| 2008 | $1,600 | $600 | $2,200 | $4,275 |
| 2007 | $1,600 | $600 | $2,200 | $4,109 |
| 2006 | $1,600 | $600 | $2,200 | $3,940 |
Property facts
Year built
1948
Property type
single_family
Stories
2
Beds
3
Baths
1
Living area
—
Lot size
46,174 sqft
ZIP code
11779
City
Ronkonkoma
Street
Union Ave
Coordinates
40.81150, -73.10373
Frequently asked questions
When did 45 Union Ave last sell?
45 Union Ave most recently sold on Jan 15, 2014 for $310,000.
What is the current tax assessment for 45 Union Ave?
The most recent total assessment for 45 Union Ave (year 2025) is $2,200 with $8,424 in property tax.
How does 45 Union Ave's assessment compare to its last sale price?
The current assessment is 99.3% below the last sale price of $310,000.
When was 45 Union Ave built?
45 Union Ave was built in 1948.
How does 45 Union Ave compare to others on Union Ave?
We track 8 other properties on Union Ave. Browse the list under "Other properties on Union Ave" to compare beds, baths, and sale history.
What are the property facts for 45 Union Ave?
45 Union Ave is a 3 bed, 1 bath, 46,174 sqft lot single_family.
Is 45 Union Ave a flip candidate?
No — 45 Union Ave does not appear in our flips dataset.
Is 45 Union Ave a tax-appeal candidate?
No — 45 Union 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
Explore nearby
Geography
Other properties on Union Ave