621 Osborn Ave
Riverhead, NY 11901
3 bd 1 ba 1,020 sqft Built 1936 Lot 5,227 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 | $15,200 | $4,800 | $20,000 | $5,314 |
| 2024 | $15,200 | $4,800 | $20,000 | $5,021 |
| 2023 | $15,200 | $4,800 | $20,000 | $4,731 |
| 2022 | $15,200 | $4,800 | $20,000 | $4,942 |
| 2021 | $15,200 | $4,800 | $20,000 | $4,674 |
| 2020 | $15,200 | $4,800 | $20,000 | $4,352 |
| 2018 | $15,200 | $4,800 | $20,000 | $4,052 |
| 2017 | $15,200 | $4,800 | $20,000 | $4,135 |
| 2016 | $15,200 | $4,800 | $20,000 | $3,799 |
| 2015 | $15,200 | $4,800 | $20,000 | $3,947 |
| 2014 | $15,200 | $4,800 | $20,000 | $3,637 |
| 2013 | $15,200 | $4,800 | $20,000 | $3,650 |
| 2012 | $15,200 | $4,800 | $20,000 | $3,520 |
| 2011 | $15,200 | $4,800 | $20,000 | $3,533 |
| 2010 | $15,200 | $4,800 | $20,000 | $3,541 |
| 2008 | $15,200 | $4,800 | $20,000 | $3,446 |
| 2007 | $15,200 | $4,800 | $20,000 | $3,499 |
| 2006 | $15,200 | $4,800 | $20,000 | $3,284 |
Property facts
Year built
1936
Property type
single_family
Stories
2
Beds
3
Baths
1
Living area
1,020 sqft
Lot size
5,227 sqft
ZIP code
11901
City
Riverhead
Street
Osborn Ave
Coordinates
40.92349, -72.67288
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 621 Osborn Ave last sell?
No public-record sale is on file for 621 Osborn Ave.
What is the current tax assessment for 621 Osborn Ave?
The most recent total assessment for 621 Osborn Ave (year 2025) is $20,000 with $5,314 in property tax.
When was 621 Osborn Ave built?
621 Osborn Ave was built in 1936.
How does 621 Osborn Ave compare to others on Osborn Ave?
We track 8 other properties on Osborn Ave. Browse the list under "Other properties on Osborn Ave" to compare beds, baths, and sale history.
What are the property facts for 621 Osborn Ave?
621 Osborn Ave is a 3 bed, 1 bath, 1,020 sqft, 5,227 sqft lot single_family.
Is 621 Osborn Ave a flip candidate?
No — 621 Osborn Ave does not appear in our flips dataset.
Is 621 Osborn Ave a tax-appeal candidate?
No — 621 Osborn 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 Osborn Ave