13 William Ave
Central Islip, NY 11722
4 bd 1 ba 1,304 sqft Built 1948 Lot 10,019 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 | $23,700 | $6,900 | $30,600 | $7,222 |
| 2023 | $23,700 | $6,900 | $30,600 | $7,222 |
| 2022 | $23,700 | $6,900 | $30,600 | $7,103 |
| 2021 | $23,700 | $6,900 | $30,600 | $8,336 |
| 2020 | $23,700 | $6,900 | $30,600 | $8,266 |
| 2018 | $23,700 | $6,900 | $30,600 | $8,015 |
| 2017 | $23,700 | $6,900 | $30,600 | $7,859 |
| 2016 | $23,700 | $6,900 | $30,600 | $7,796 |
| 2015 | $23,700 | $6,900 | $30,600 | $7,767 |
| 2014 | $23,700 | $6,900 | $30,600 | $7,738 |
| 2013 | $23,700 | $6,900 | $30,600 | $7,662 |
| 2012 | $23,700 | $6,900 | $30,600 | $7,565 |
| 2011 | $23,700 | $6,900 | $30,600 | $7,297 |
| 2010 | $23,700 | $6,900 | $30,600 | $7,031 |
| 2008 | $23,700 | $6,900 | $30,600 | $6,488 |
| 2007 | $23,700 | $6,900 | $30,600 | $6,135 |
Property facts
Year built
1948
Property type
single_family
Stories
2
Beds
4
Baths
1
Living area
1,304 sqft
Lot size
10,019 sqft
ZIP code
11722
City
Central Islip
Street
William Ave
Coordinates
40.79458, -73.20237
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 13 William Ave last sell?
No public-record sale is on file for 13 William Ave.
What is the current tax assessment for 13 William Ave?
The most recent total assessment for 13 William Ave (year 2024) is $30,600 with $7,222 in property tax.
When was 13 William Ave built?
13 William Ave was built in 1948.
How does 13 William Ave compare to others on William Ave?
We track 4 other properties on William Ave. Browse the list under "Other properties on William Ave" to compare beds, baths, and sale history.
What are the property facts for 13 William Ave?
13 William Ave is a 4 bed, 1 bath, 1,304 sqft, 10,019 sqft lot single_family.
Is 13 William Ave a flip candidate?
No — 13 William Ave does not appear in our flips dataset.
Is 13 William Ave a tax-appeal candidate?
No — 13 William 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
-11.7%
2026 Q1
$467.5K
2026 Q2
$450.6K
ZIP 11722 — Median Price History + Forecast
Explore nearby
Geography
Other properties on William Ave