20 Duffy Ct
Central Islip, NY 11722
2 bd 1 ba 720 sqft Built 1950 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 |
|---|---|---|---|---|
| 2017 | $21,400 | $3,900 | $25,300 | $7,776 |
| 2016 | $21,400 | $3,900 | $25,300 | $7,714 |
| 2015 | $21,400 | $3,900 | $25,300 | $7,666 |
| 2014 | $21,400 | $3,900 | $25,300 | $7,620 |
| 2013 | $21,400 | $3,900 | $25,300 | $8,613 |
| 2012 | $21,400 | $3,900 | $25,300 | $1,335 |
| 2011 | $21,400 | $3,900 | $25,300 | $1,298 |
| 2010 | $21,400 | $3,900 | $25,300 | $1,274 |
| 2008 | $21,400 | $3,900 | $25,300 | $1,294 |
Property facts
Year built
1950
Property type
single_family
Stories
—
Beds
2
Baths
1
Living area
720 sqft
Lot size
7,405 sqft
ZIP code
11722
City
Central Islip
Street
Duffy Ct
Coordinates
40.78927, -73.19616
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 20 Duffy Ct last sell?
No public-record sale is on file for 20 Duffy Ct.
What is the current tax assessment for 20 Duffy Ct?
The most recent total assessment for 20 Duffy Ct (year 2017) is $25,300 with $7,776 in property tax.
When was 20 Duffy Ct built?
20 Duffy Ct was built in 1950.
How does 20 Duffy Ct compare to others on Duffy Ct?
We track 3 other properties on Duffy Ct. Browse the list under "Other properties on Duffy Ct" to compare beds, baths, and sale history.
What are the property facts for 20 Duffy Ct?
20 Duffy Ct is a 2 bed, 1 bath, 720 sqft, 7,405 sqft lot single_family.
Is 20 Duffy Ct a flip candidate?
No — 20 Duffy Ct does not appear in our flips dataset.
Is 20 Duffy Ct a tax-appeal candidate?
No — 20 Duffy Ct 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
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