31 Union Ave
Ronkonkoma, NY 11779
— ba 1,722 sqft Built 1929 Lot 10,890 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 | $1,750 | $220 | $1,970 | $7,585 |
| 2024 | $1,750 | $220 | $1,970 | $7,247 |
| 2023 | $1,750 | $220 | $1,970 | $7,111 |
| 2022 | $1,750 | $220 | $1,970 | $6,829 |
| 2021 | $1,750 | $220 | $1,970 | $6,704 |
| 2020 | $1,750 | $220 | $1,970 | $6,712 |
| 2018 | $1,750 | $220 | $1,970 | $6,519 |
| 2017 | $1,750 | $220 | $1,970 | $6,304 |
| 2016 | $1,750 | $220 | $1,970 | $6,281 |
| 2015 | $1,750 | $220 | $1,970 | $6,595 |
| 2014 | $1,750 | $220 | $1,970 | $6,066 |
| 2013 | $1,750 | $220 | $1,970 | $5,900 |
| 2012 | $1,750 | $220 | $1,970 | $5,856 |
| 2011 | $1,750 | $220 | $1,970 | $5,602 |
| 2010 | $1,750 | $220 | $1,970 | $5,437 |
| 2008 | $1,750 | $220 | $1,970 | $5,278 |
| 2007 | $1,750 | $220 | $1,970 | $5,300 |
| 2006 | $1,750 | $220 | $1,970 | $4,248 |
Property facts
Year built
1929
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
1,722 sqft
Lot size
10,890 sqft
ZIP code
11779
City
Ronkonkoma
Street
Union Ave
Coordinates
40.80981, -73.10889
Comparable properties nearby
Frequently asked questions
When did 31 Union Ave last sell?
No public-record sale is on file for 31 Union Ave.
What is the current tax assessment for 31 Union Ave?
The most recent total assessment for 31 Union Ave (year 2025) is $1,970 with $7,585 in property tax.
When was 31 Union Ave built?
31 Union Ave was built in 1929.
How does 31 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 31 Union Ave?
31 Union Ave is a — bath, 1,722 sqft, 10,890 sqft lot single_family.
Is 31 Union Ave a flip candidate?
No — 31 Union Ave does not appear in our flips dataset.
Is 31 Union Ave a tax-appeal candidate?
No — 31 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