1 William St
East Northport, NY 11731
3 bd 1 ba 1,100 sqft Built 1955 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 | $1,480 | $75 | $1,555 | $5,759 |
| 2024 | $1,480 | $75 | $1,555 | $4,851 |
| 2023 | $1,480 | $75 | $1,555 | $4,661 |
| 2022 | $1,480 | $75 | $1,555 | $4,549 |
| 2021 | $1,480 | $75 | $1,555 | $4,395 |
| 2020 | $1,480 | $75 | $1,555 | $4,314 |
| 2018 | $1,480 | $75 | $1,555 | $4,133 |
| 2017 | $1,480 | $75 | $1,555 | $3,996 |
| 2016 | $1,480 | $75 | $1,555 | $3,933 |
| 2015 | $1,480 | $75 | $1,555 | $3,808 |
| 2014 | $1,480 | $75 | $1,555 | $3,714 |
| 2013 | $1,480 | $75 | $1,555 | $3,567 |
| 2012 | $1,480 | $75 | $1,555 | $3,490 |
| 2011 | $1,480 | $75 | $1,555 | $3,420 |
| 2010 | $1,480 | $75 | $1,555 | $3,313 |
| 2008 | $1,480 | $75 | $1,555 | $3,296 |
| 2007 | $1,480 | $75 | $1,555 | $3,101 |
| 2006 | $1,480 | $75 | $1,555 | $3,023 |
Property facts
Year built
1955
Property type
single_family
Stories
—
Beds
3
Baths
1
Living area
1,100 sqft
Lot size
5,227 sqft
ZIP code
11731
City
East Northport
Street
William St
Coordinates
40.87395, -73.34125
Comparable properties nearby
Frequently asked questions
When did 1 William St last sell?
No public-record sale is on file for 1 William St.
What is the current tax assessment for 1 William St?
The most recent total assessment for 1 William St (year 2025) is $1,555 with $5,759 in property tax.
When was 1 William St built?
1 William St was built in 1955.
How does 1 William St compare to others on William St?
We track 1 other property 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 1 William St?
1 William St is a 3 bed, 1 bath, 1,100 sqft, 5,227 sqft lot single_family.
Is 1 William St a flip candidate?
No — 1 William St does not appear in our flips dataset.
Is 1 William St a tax-appeal candidate?
No — 1 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
+1.1%
Implied 1-yr
+4.2%
2026 Q3
$841.8K
2026 Q4
$850K
ZIP 11731 — Median Price History + Forecast
Explore nearby
Geography
Other properties on William St