12 William St
Central Islip, NY 11722
— ba 1,820 sqft Built 1957 Lot 7,405 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 |
|---|---|---|---|---|
| 2024 | $27,950 | $5,900 | $33,850 | $10,745 |
| 2023 | $27,950 | $5,900 | $33,850 | $10,745 |
| 2022 | $27,950 | $5,900 | $33,850 | $10,608 |
| 2021 | $27,950 | $5,900 | $33,850 | $10,481 |
| 2020 | $27,950 | $5,900 | $33,850 | $10,458 |
| 2018 | $27,950 | $5,900 | $33,850 | $10,308 |
| 2017 | $27,950 | $5,900 | $33,850 | $10,225 |
| 2016 | $27,950 | $5,900 | $33,850 | $10,146 |
| 2015 | $27,950 | $5,900 | $33,850 | $10,082 |
| 2014 | $27,950 | $5,900 | $33,850 | $10,020 |
| 2013 | $27,950 | $5,900 | $33,850 | $8,561 |
| 2012 | $27,950 | $5,900 | $33,850 | $8,451 |
| 2011 | $27,950 | $5,900 | $33,850 | $8,153 |
| 2010 | $27,950 | $5,900 | $33,850 | $7,857 |
| 2008 | $27,950 | $5,900 | $33,850 | $7,242 |
| 2007 | $27,950 | $5,900 | $33,850 | $8,083 |
Property facts
Year built
1957
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
1,820 sqft
Lot size
7,405 sqft
ZIP code
11722
City
Central Islip
Street
William St
Coordinates
40.79386, -73.19512
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 12 William St last sell?
No public-record sale is on file for 12 William St.
What is the current tax assessment for 12 William St?
The most recent total assessment for 12 William St (year 2024) is $33,850 with $10,745 in property tax.
When was 12 William St built?
12 William St was built in 1957.
How does 12 William St compare to others on William St?
We track 3 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 12 William St?
12 William St is a — bath, 1,820 sqft, 7,405 sqft lot single_family.
Is 12 William St a flip candidate?
No — 12 William St does not appear in our flips dataset.
Is 12 William St a tax-appeal candidate?
No — 12 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
-2.9%
Implied 1-yr
-11.7%
2026 Q1
$467.5K
2026 Q2
$450.6K
ZIP 11722 — Median Price History + Forecast
Explore nearby
Geography
Other properties on William St