53 Harbor Ave
Islip, NY 11751
4 bd 3 ba 3,016 sqft Built 1952 Lot 13,939 sqft single_family
Most recent sale
$670,000
Mar 4, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Apr 25, 2023 | Sold | $670,000 | Public Record |
| Mar 4, 2022 | Sold | $670,000 | MLS #3299845 |
| Feb 7, 2007 | Sold | $500,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $46,400 | $12,100 | $58,500 | $20,091 |
| 2024 | $46,400 | $12,100 | $58,500 | $18,997 |
| 2023 | $46,400 | $12,100 | $58,500 | $18,997 |
| 2017 | $46,400 | $12,100 | $58,500 | $17,239 |
| 2016 | $46,400 | $12,100 | $58,500 | $17,140 |
| 2015 | $46,400 | $12,100 | $58,500 | $17,137 |
| 2014 | $46,400 | $12,100 | $58,500 | $16,863 |
| 2013 | $46,400 | $12,100 | $58,500 | $15,851 |
| 2012 | $46,400 | $12,100 | $58,500 | $15,271 |
| 2011 | $46,400 | $12,100 | $58,500 | $14,684 |
| 2010 | $46,400 | $12,100 | $58,500 | $14,220 |
| 2009 | $46,400 | $12,100 | $58,500 | $13,737 |
| 2008 | $46,400 | $12,100 | $58,500 | $13,047 |
Property facts
Year built
1952
Property type
single_family
Stories
3
Beds
4
Baths
3
Living area
3,016 sqft
Lot size
13,939 sqft
ZIP code
11751
City
Islip
Street
Harbor Ave
Coordinates
40.72404, -73.22215
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$4,020
Gross rental yield
7.20%
Implied cap rate
4.68%
Trend-extrapolated value
—
Frequently asked questions
When did 53 Harbor Ave last sell?
53 Harbor Ave most recently sold on Mar 4, 2022 for $670,000.
What is the current tax assessment for 53 Harbor Ave?
The most recent total assessment for 53 Harbor Ave (year 2025) is $58,500 with $20,091 in property tax.
How does 53 Harbor Ave's assessment compare to its last sale price?
The current assessment is 91.3% below the last sale price of $670,000.
When was 53 Harbor Ave built?
53 Harbor Ave was built in 1952.
How does 53 Harbor Ave compare to others on Harbor Ave?
We track 2 other properties on Harbor Ave. Browse the list under "Other properties on Harbor Ave" to compare beds, baths, and sale history.
What are the property facts for 53 Harbor Ave?
53 Harbor Ave is a 4 bed, 3 bath, 3,016 sqft, 13,939 sqft lot single_family.
Is 53 Harbor Ave a flip candidate?
No — 53 Harbor Ave does not appear in our flips dataset.
Is 53 Harbor Ave a tax-appeal candidate?
No — 53 Harbor 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
-13.7%
Implied 1-yr
-54.6%
2026 Q1
$212.6K
2026 Q2
$212.6K
ZIP 11751 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Harbor Ave