21 Francisco Ave
Central Islip, NY 11722
— ba 1,543 sqft Built 1969 Lot 7,841 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 | $29,100 | $6,200 | $35,300 | $11,672 |
| 2024 | $29,100 | $6,200 | $35,300 | $11,181 |
| 2023 | $29,100 | $6,200 | $35,300 | $11,181 |
| 2022 | $29,100 | $6,200 | $35,300 | $11,037 |
| 2021 | $29,100 | $6,200 | $35,300 | $8,136 |
| 2017 | $29,100 | $6,200 | $35,300 | $7,727 |
| 2016 | $29,100 | $6,200 | $35,300 | $7,701 |
| 2015 | $29,100 | $6,200 | $35,300 | $7,691 |
| 2014 | $29,100 | $6,200 | $35,300 | $7,681 |
| 2013 | $29,100 | $6,200 | $35,300 | $7,613 |
| 2012 | $29,100 | $6,200 | $35,300 | $8,846 |
| 2011 | $29,100 | $6,200 | $35,300 | $8,534 |
| 2010 | $29,100 | $6,200 | $35,300 | $8,225 |
| 2008 | $29,100 | $6,200 | $35,300 | $7,579 |
| 2007 | $29,100 | $6,200 | $35,300 | $7,187 |
Property facts
Year built
1969
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
1,543 sqft
Lot size
7,841 sqft
ZIP code
11722
City
Central Islip
Street
Francisco Ave
Coordinates
40.79617, -73.19352
Comparable properties nearby
Frequently asked questions
When did 21 Francisco Ave last sell?
No public-record sale is on file for 21 Francisco Ave.
What is the current tax assessment for 21 Francisco Ave?
The most recent total assessment for 21 Francisco Ave (year 2025) is $35,300 with $11,672 in property tax.
When was 21 Francisco Ave built?
21 Francisco Ave was built in 1969.
How does 21 Francisco Ave compare to others on Francisco Ave?
We track 3 other properties on Francisco Ave. Browse the list under "Other properties on Francisco Ave" to compare beds, baths, and sale history.
What are the property facts for 21 Francisco Ave?
21 Francisco Ave is a — bath, 1,543 sqft, 7,841 sqft lot single_family.
Is 21 Francisco Ave a flip candidate?
No — 21 Francisco Ave does not appear in our flips dataset.
Is 21 Francisco Ave a tax-appeal candidate?
No — 21 Francisco 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 Francisco Ave