4 William St
Copiague, NY 11726
2 ba 1,510 sqft Built 1950 Lot 10,560 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 | $3,220 | $310 | $3,530 | $12,390 |
| 2024 | $3,220 | $310 | $3,530 | $11,538 |
| 2023 | $3,220 | $310 | $3,530 | $10,958 |
| 2022 | $3,220 | $310 | $3,530 | $10,945 |
| 2021 | $3,220 | $310 | $3,530 | $10,647 |
| 2020 | $3,220 | $310 | $3,530 | $10,358 |
| 2018 | $3,220 | $310 | $3,530 | $10,172 |
| 2017 | $3,220 | $310 | $3,530 | $9,759 |
| 2016 | $3,220 | $310 | $3,530 | $9,693 |
| 2015 | $3,220 | $310 | $3,530 | $14,762 |
| 2014 | $3,220 | $310 | $3,530 | $3,379 |
| 2013 | $3,220 | $310 | $3,530 | $3,427 |
| 2012 | $3,220 | $310 | $3,530 | $3,232 |
| 2011 | $3,220 | $310 | $3,530 | $3,204 |
| 2010 | $3,220 | $310 | $3,530 | $3,088 |
| 2008 | $3,220 | $310 | $3,530 | $6,872 |
| 2007 | $3,220 | $310 | $3,530 | $6,461 |
| 2006 | $3,220 | $310 | $3,530 | $6,190 |
Property facts
Year built
1950
Property type
single_family
Stories
—
Beds
—
Baths
2
Living area
1,510 sqft
Lot size
10,560 sqft
ZIP code
11726
City
Copiague
Street
William St
Coordinates
40.66924, -73.39656
Comparable properties nearby
Frequently asked questions
When did 4 William St last sell?
No public-record sale is on file for 4 William St.
What is the current tax assessment for 4 William St?
The most recent total assessment for 4 William St (year 2025) is $3,530 with $12,390 in property tax.
When was 4 William St built?
4 William St was built in 1950.
How does 4 William St compare to others on William St?
We track 8 other properties on William St. Browse the list under "Other properties on William St" to compare beds, baths, and sale history.
What are the property facts for 4 William St?
4 William St is a 2 bath, 1,510 sqft, 10,560 sqft lot single_family.
Is 4 William St a flip candidate?
No — 4 William St does not appear in our flips dataset.
Is 4 William St a tax-appeal candidate?
No — 4 William St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+4.7%
Implied 1-yr
+18.9%
2026 Q3
$756.7K
2026 Q4
$784.1K
ZIP 11726 — Median Price History + Forecast
Explore nearby
Geography
Other properties on William St