23 1st Ave
Central Islip, NY 11722
— ba 1,188 sqft Built 1919 Lot 10,019 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 | $19,800 | $4,900 | $24,700 | $8,334 |
| 2024 | $19,800 | $4,900 | $24,700 | $7,990 |
| 2023 | $19,800 | $4,900 | $24,700 | $7,990 |
| 2022 | $19,800 | $4,900 | $24,700 | $7,902 |
| 2021 | $19,800 | $4,900 | $24,700 | $7,797 |
| 2020 | $19,800 | $4,900 | $24,700 | $7,776 |
| 2018 | $19,800 | $4,900 | $24,700 | $25 |
| 2017 | $19,800 | $4,900 | $24,700 | $6,170 |
| 2016 | $19,800 | $4,900 | $24,700 | $6,119 |
| 2015 | $19,800 | $4,900 | $24,700 | $6,100 |
| 2014 | $19,800 | $4,900 | $24,700 | $6,081 |
| 2013 | $19,800 | $4,900 | $24,700 | $6,029 |
| 2012 | $19,800 | $4,900 | $24,700 | $5,956 |
| 2011 | $19,800 | $4,900 | $24,700 | $5,744 |
| 2010 | $19,800 | $4,900 | $24,700 | $5,534 |
| 2008 | $19,800 | $4,900 | $24,700 | $5,119 |
| 2007 | $19,800 | $4,900 | $24,700 | $6,034 |
Property facts
Year built
1919
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
1,188 sqft
Lot size
10,019 sqft
ZIP code
11722
City
Central Islip
Street
1st Ave
Coordinates
40.78996, -73.19866
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 23 1st Ave last sell?
No public-record sale is on file for 23 1st Ave.
What is the current tax assessment for 23 1st Ave?
The most recent total assessment for 23 1st Ave (year 2025) is $24,700 with $8,334 in property tax.
When was 23 1st Ave built?
23 1st Ave was built in 1919.
How does 23 1st Ave compare to others on 1st Ave?
We track 6 other properties on 1st Ave. Browse the list under "Other properties on 1st Ave" to compare beds, baths, and sale history.
What are the property facts for 23 1st Ave?
23 1st Ave is a — bath, 1,188 sqft, 10,019 sqft lot single_family.
Is 23 1st Ave a flip candidate?
No — 23 1st Ave does not appear in our flips dataset.
Is 23 1st Ave a tax-appeal candidate?
No — 23 1st 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
-2.9%
Implied 1-yr
-11.7%
2026 Q1
$467.5K
2026 Q2
$450.6K
ZIP 11722 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 1st Ave