863 Union Ave
Riverhead, NY 11901
4 bd 3 ba 2,400 sqft Built 1985 Lot 108,464 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 | $61,800 | $17,600 | $79,400 | $16,902 |
| 2024 | $61,800 | $17,600 | $79,400 | $16,008 |
| 2023 | $61,800 | $17,600 | $79,400 | $15,877 |
| 2022 | $61,800 | $17,600 | $79,400 | $15,881 |
| 2021 | $61,800 | $17,600 | $79,400 | $15,509 |
| 2020 | $61,800 | $17,600 | $79,400 | $15,042 |
| 2018 | $61,800 | $17,600 | $79,400 | $15,055 |
| 2017 | $61,800 | $17,600 | $79,400 | $14,731 |
| 2016 | $61,800 | $17,600 | $79,400 | $13,449 |
| 2015 | $61,800 | $17,600 | $79,400 | $13,311 |
| 2014 | $61,800 | $17,600 | $79,400 | $12,830 |
| 2013 | $61,800 | $17,600 | $79,400 | $12,872 |
| 2012 | $61,800 | $17,600 | $79,400 | $12,408 |
| 2011 | $61,800 | $17,600 | $79,400 | $12,208 |
| 2010 | $61,800 | $17,600 | $79,400 | $11,802 |
| 2008 | $61,800 | $17,600 | $79,400 | $11,461 |
| 2007 | $61,800 | $17,600 | $79,400 | $11,160 |
| 2006 | $61,800 | $17,600 | $79,400 | $10,402 |
Property facts
Year built
1985
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,400 sqft
Lot size
108,464 sqft
ZIP code
11901
City
Riverhead
Street
Union Ave
Coordinates
40.94662, -72.63947
Comparable properties nearby
Frequently asked questions
When did 863 Union Ave last sell?
No public-record sale is on file for 863 Union Ave.
What is the current tax assessment for 863 Union Ave?
The most recent total assessment for 863 Union Ave (year 2025) is $79,400 with $16,902 in property tax.
When was 863 Union Ave built?
863 Union Ave was built in 1985.
How does 863 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 863 Union Ave?
863 Union Ave is a 4 bed, 3 bath, 2,400 sqft, 108,464 sqft lot single_family.
Is 863 Union Ave a flip candidate?
No — 863 Union Ave does not appear in our flips dataset.
Is 863 Union Ave a tax-appeal candidate?
No — 863 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
+3.8%
Implied 1-yr
+15.1%
2026 Q3
$1.96M
2026 Q4
$2.02M
ZIP 11901 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union Ave