23 Washington Ave
East Islip, NY 11730
— ba 1,487 sqft Built 1935 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 |
|---|---|---|---|---|
| 2025 | $29,600 | $7,000 | $36,600 | $11,417 |
| 2024 | $29,600 | $7,000 | $36,600 | $10,986 |
| 2023 | $29,600 | $7,000 | $36,600 | $10,986 |
| 2022 | $29,600 | $7,000 | $36,600 | $11,083 |
| 2021 | $29,600 | $7,000 | $36,600 | $10,813 |
| 2020 | $29,600 | $7,000 | $36,600 | $10,733 |
| 2018 | $29,600 | $7,000 | $36,600 | $10,710 |
| 2017 | $29,600 | $7,000 | $36,600 | $10,713 |
| 2016 | $29,600 | $7,000 | $36,600 | $10,835 |
| 2015 | $29,600 | $7,000 | $36,600 | $11,088 |
| 2014 | $29,600 | $7,000 | $36,600 | $11,138 |
| 2013 | $29,600 | $7,000 | $36,600 | $10,989 |
| 2012 | $29,600 | $7,000 | $36,600 | $10,600 |
| 2011 | $29,600 | $7,000 | $36,600 | $10,145 |
| 2010 | $29,600 | $7,000 | $36,600 | $9,660 |
| 2008 | $29,600 | $7,000 | $36,600 | $9,480 |
| 2007 | $29,600 | $7,000 | $36,600 | $8,877 |
Property facts
Year built
1935
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
1,487 sqft
Lot size
7,405 sqft
ZIP code
11730
City
East Islip
Street
Washington Ave
Coordinates
40.74085, -73.19442
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 23 Washington Ave last sell?
No public-record sale is on file for 23 Washington Ave.
What is the current tax assessment for 23 Washington Ave?
The most recent total assessment for 23 Washington Ave (year 2025) is $36,600 with $11,417 in property tax.
When was 23 Washington Ave built?
23 Washington Ave was built in 1935.
How does 23 Washington Ave compare to others on Washington Ave?
We track 6 other properties on Washington Ave. Browse the list under "Other properties on Washington Ave" to compare beds, baths, and sale history.
What are the property facts for 23 Washington Ave?
23 Washington Ave is a — bath, 1,487 sqft, 7,405 sqft lot single_family.
Is 23 Washington Ave a flip candidate?
No — 23 Washington Ave does not appear in our flips dataset.
Is 23 Washington Ave a tax-appeal candidate?
No — 23 Washington 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
+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 Washington Ave