4 Williams Ave
Syosset, NY 11791
4 bd 4 ba Built 1955 Lot 6,825 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Nov 15, 2021 | Sold | $1,150,000 | OneKeyMLS |
| Nov 1, 1977 | Sold | $62,500 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2024 | $485 | $348 | $833 | $21,916 |
| 2022 | $381 | $348 | $729 | $20,788 |
| 2021 | $381 | $348 | $729 | $20,031 |
| 2020 | $371 | $339 | $710 | $18,880 |
| 2019 | $302 | $699 | $1,001 | $17,573 |
| 2018 | $369 | $699 | $1,068 | $17,678 |
| 2016 | $486 | $699 | $1,185 | $18,730 |
| 2015 | $486 | $699 | $1,185 | $17,066 |
| 2014 | $486 | $699 | $1,185 | $15,885 |
| 2013 | $659 | $699 | $1,358 | $14,609 |
| 2011 | $486 | $699 | $1,185 | $11,760 |
| 2010 | $419 | $699 | $1,118 | $12,280 |
| 2009 | $808 | $699 | $1,507 | $12,760 |
| 2007 | $794 | $699 | $1,493 | $12,280 |
Property facts
Year built
1955
Property type
single_family
Stories
—
Beds
4
Baths
4
Living area
—
Lot size
6,825 sqft
ZIP code
11791
City
Syosset
Street
Williams Ave
Coordinates
40.80508, -73.50079
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 4 Williams Ave last sell?
No public-record sale is on file for 4 Williams Ave.
What is the current tax assessment for 4 Williams Ave?
The most recent total assessment for 4 Williams Ave (year 2024) is $833 with $21,916 in property tax.
When was 4 Williams Ave built?
4 Williams Ave was built in 1955.
How does 4 Williams Ave compare to others on Williams Ave?
We track 6 other properties on Williams Ave. Browse the list under "Other properties on Williams Ave" to compare beds, baths, and sale history.
What are the property facts for 4 Williams Ave?
4 Williams Ave is a 4 bed, 4 bath, 6,825 sqft lot single_family.
Is 4 Williams Ave a flip candidate?
No — 4 Williams Ave does not appear in our flips dataset.
Is 4 Williams Ave a tax-appeal candidate?
No — 4 Williams 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
+2.9%
Implied 1-yr
+11.6%
2026 Q3
$1.84M
2026 Q4
$1.88M
ZIP 11791 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Williams Ave