21 Walnut Ave
Patchogue, NY 11772
4 bd 2 ba Built 1951 Lot 8,712 sqft single_family
Most recent sale
$410,000
Aug 17, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Dec 1, 2022 | Sold | $420,000 | Public Record |
| Aug 17, 2022 | Sold | $410,000 | MLS #11033826 |
| Apr 22, 2022 | Listed | $359,999 | MLS #11033826 |
| Apr 21, 2022 | Listed | $359,999 | MLS #3356443 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $2,050 | $250 | $2,300 | $10,963 |
| 2024 | $2,050 | $250 | $2,300 | $10,451 |
| 2023 | $2,050 | $250 | $2,300 | $16,828 |
| 2022 | $2,050 | $250 | $2,300 | $3,324 |
| 2021 | $2,050 | $250 | $2,300 | $3,193 |
| 2020 | $2,050 | $250 | $2,300 | $3,158 |
| 2019 | $2,050 | $250 | $2,300 | $3,159 |
| 2018 | $2,050 | $250 | $2,300 | $2,930 |
| 2017 | $2,050 | $250 | $2,300 | $3,097 |
| 2016 | $2,050 | $250 | $2,300 | $2,511 |
| 2015 | $2,050 | $250 | $2,300 | $2,482 |
| 2014 | $2,050 | $250 | $2,300 | $2,449 |
| 2013 | $2,050 | $250 | $2,300 | $2,429 |
| 2012 | $2,050 | $250 | $2,300 | $3,039 |
| 2011 | $2,050 | $250 | $2,300 | $3,285 |
| 2010 | $2,050 | $250 | $2,300 | $4,454 |
| 2009 | $2,050 | $250 | $2,300 | $5,175 |
| 2008 | $2,050 | $250 | $2,300 | $5,175 |
| 2007 | $2,050 | $250 | $2,300 | $4,145 |
| 2006 | $2,050 | $250 | $2,300 | $4,305 |
Property facts
Year built
1951
Property type
single_family
Stories
—
Beds
4
Baths
2
Living area
—
Lot size
8,712 sqft
ZIP code
11772
City
Patchogue
Street
Walnut Ave
Coordinates
40.77697, -73.01041
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Walnut Ave last sell?
21 Walnut Ave most recently sold on Aug 17, 2022 for $410,000.
What is the current tax assessment for 21 Walnut Ave?
The most recent total assessment for 21 Walnut Ave (year 2025) is $2,300 with $10,963 in property tax.
How does 21 Walnut Ave's assessment compare to its last sale price?
The current assessment is 99.4% below the last sale price of $410,000.
When was 21 Walnut Ave built?
21 Walnut Ave was built in 1951.
How does 21 Walnut Ave compare to others on Walnut Ave?
We track 5 other properties on Walnut Ave. Browse the list under "Other properties on Walnut Ave" to compare beds, baths, and sale history.
What are the property facts for 21 Walnut Ave?
21 Walnut Ave is a 4 bed, 2 bath, 8,712 sqft lot single_family.
Is 21 Walnut Ave a flip candidate?
No — 21 Walnut Ave does not appear in our flips dataset.
Is 21 Walnut Ave a tax-appeal candidate?
No — 21 Walnut 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
+1.6%
Implied 1-yr
+6.2%
2026 Q3
$528.8K
2026 Q4
$536.2K
ZIP 11772 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Walnut Ave