17 Walnut St
Central Islip, NY 11722
— ba 1,384 sqft Built 1992 Lot 5,663 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 | $25,800 | $4,000 | $29,800 | $9,940 |
| 2024 | $25,800 | $4,000 | $29,800 | $9,526 |
| 2023 | $25,800 | $4,000 | $29,800 | $9,526 |
| 2022 | $25,800 | $4,000 | $29,800 | $9,573 |
| 2021 | $25,800 | $4,000 | $29,800 | $9,293 |
| 2020 | $25,800 | $4,000 | $29,800 | $9,718 |
| 2018 | $25,800 | $4,000 | $29,800 | $9,379 |
| 2017 | $25,800 | $4,000 | $29,800 | $7,630 |
| 2016 | $25,800 | $4,000 | $29,800 | $7,569 |
| 2015 | $25,800 | $4,000 | $29,800 | $7,541 |
| 2014 | $25,800 | $4,000 | $29,800 | $7,513 |
| 2013 | $25,800 | $4,000 | $29,800 | $7,630 |
| 2012 | $25,800 | $4,000 | $29,800 | $7,346 |
| 2011 | $25,800 | $4,000 | $29,800 | $7,251 |
| 2010 | $25,800 | $4,000 | $29,800 | $6,843 |
| 2008 | $25,800 | $4,000 | $29,800 | $6,303 |
Property facts
Year built
1992
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
1,384 sqft
Lot size
5,663 sqft
ZIP code
11722
City
Central Islip
Street
Walnut St
Coordinates
40.77725, -73.20247
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 17 Walnut St last sell?
No public-record sale is on file for 17 Walnut St.
What is the current tax assessment for 17 Walnut St?
The most recent total assessment for 17 Walnut St (year 2025) is $29,800 with $9,940 in property tax.
When was 17 Walnut St built?
17 Walnut St was built in 1992.
How does 17 Walnut St compare to others on Walnut St?
We track 8 other properties on Walnut St. Browse the list under "Other properties on Walnut St" to compare beds, baths, and sale history.
What are the property facts for 17 Walnut St?
17 Walnut St is a — bath, 1,384 sqft, 5,663 sqft lot single_family.
Is 17 Walnut St a flip candidate?
No — 17 Walnut St does not appear in our flips dataset.
Is 17 Walnut St a tax-appeal candidate?
No — 17 Walnut 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 Walnut St