171 Madison St
East Islip, NY 11730
— ba 1,601 sqft Built 1928 Lot 9,583 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 | $24,600 | $8,100 | $32,700 | $9,955 |
| 2024 | $24,600 | $8,100 | $32,700 | $9,633 |
| 2023 | $24,600 | $8,100 | $32,700 | $9,633 |
| 2022 | $24,600 | $8,100 | $32,700 | $9,723 |
| 2021 | $24,600 | $8,100 | $32,700 | $8,426 |
| 2020 | $24,600 | $8,100 | $32,700 | $8,273 |
| 2018 | $24,600 | $8,100 | $32,700 | $8,098 |
| 2017 | $24,600 | $8,100 | $32,700 | $8,038 |
| 2016 | $24,600 | $8,100 | $32,700 | $8,024 |
| 2015 | $24,600 | $8,100 | $32,700 | $8,087 |
| 2014 | $24,600 | $8,100 | $32,700 | $8,094 |
| 2013 | $24,600 | $8,100 | $32,700 | $7,978 |
| 2012 | $24,600 | $8,100 | $32,700 | $7,677 |
| 2011 | $24,600 | $8,100 | $32,700 | $7,333 |
| 2010 | $24,600 | $8,100 | $32,700 | $6,912 |
| 2008 | $24,600 | $8,100 | $32,700 | $7,777 |
| 2007 | $24,600 | $8,100 | $32,700 | $6,299 |
Property facts
Year built
1928
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
1,601 sqft
Lot size
9,583 sqft
ZIP code
11730
City
East Islip
Street
Madison St
Coordinates
40.74236, -73.17207
Comparable properties nearby
Frequently asked questions
When did 171 Madison St last sell?
No public-record sale is on file for 171 Madison St.
What is the current tax assessment for 171 Madison St?
The most recent total assessment for 171 Madison St (year 2025) is $32,700 with $9,955 in property tax.
When was 171 Madison St built?
171 Madison St was built in 1928.
How does 171 Madison St compare to others on Madison St?
We track 8 other properties on Madison St. Browse the list under "Other properties on Madison St" to compare beds, baths, and sale history.
What are the property facts for 171 Madison St?
171 Madison St is a — bath, 1,601 sqft, 9,583 sqft lot single_family.
Is 171 Madison St a flip candidate?
No — 171 Madison St does not appear in our flips dataset.
Is 171 Madison St a tax-appeal candidate?
No — 171 Madison 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
+2.1%
Implied 1-yr
+8.4%
2026 Q3
$806.5K
2026 Q4
$821.5K
ZIP 11730 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Madison St