51 Madison St
East Islip, NY 11730
— ba 2,094 sqft Built 1900 Lot 10,890 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 | $32,600 | $8,800 | $41,400 | $12,837 |
| 2017 | $32,600 | $8,800 | $41,400 | $12,044 |
| 2016 | $20,000 | $8,800 | $28,800 | $8,747 |
| 2015 | $20,000 | $8,800 | $28,800 | $8,716 |
| 2014 | $20,000 | $8,800 | $28,800 | $8,915 |
| 2013 | $20,000 | $8,800 | $28,800 | $7,637 |
| 2012 | $20,000 | $8,800 | $28,800 | $7,238 |
| 2011 | $20,000 | $8,800 | $28,800 | $6,904 |
| 2010 | $20,000 | $8,800 | $28,800 | $6,546 |
| 2008 | $20,000 | $8,800 | $28,800 | $6,449 |
Property facts
Year built
1900
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
2,094 sqft
Lot size
10,890 sqft
ZIP code
11730
City
East Islip
Street
Madison St
Coordinates
40.74038, -73.18623
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 51 Madison St last sell?
No public-record sale is on file for 51 Madison St.
What is the current tax assessment for 51 Madison St?
The most recent total assessment for 51 Madison St (year 2025) is $41,400 with $12,837 in property tax.
When was 51 Madison St built?
51 Madison St was built in 1900.
How does 51 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 51 Madison St?
51 Madison St is a — bath, 2,094 sqft, 10,890 sqft lot single_family.
Is 51 Madison St a flip candidate?
No — 51 Madison St does not appear in our flips dataset.
Is 51 Madison St a tax-appeal candidate?
No — 51 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