21 Hillside Ave
Northport, NY 11768
— ba Lot 10,454 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 | $2,800 | $500 | $3,300 | $11,891 |
| 2024 | $2,800 | $500 | $3,300 | $13,686 |
| 2023 | $3,675 | $500 | $4,175 | $13,176 |
| 2022 | $3,675 | $500 | $4,175 | $12,940 |
| 2021 | $3,675 | $500 | $4,175 | $12,549 |
| 2020 | $2,500 | $500 | $3,000 | $8,997 |
| 2018 | $2,500 | $500 | $3,000 | $7,982 |
| 2017 | $2,500 | $500 | $3,000 | $7,776 |
| 2016 | $2,500 | $500 | $3,000 | $7,652 |
| 2015 | $2,500 | $500 | $3,000 | $7,477 |
| 2014 | $2,500 | $500 | $3,000 | $7,339 |
| 2013 | $2,500 | $500 | $3,000 | $7,079 |
| 2012 | $2,500 | $500 | $3,000 | $6,940 |
| 2011 | $2,500 | $500 | $3,000 | $6,810 |
| 2010 | $2,500 | $500 | $3,000 | $6,592 |
| 2008 | $2,500 | $500 | $3,000 | $6,471 |
| 2007 | $2,500 | $500 | $3,000 | $6,098 |
| 2006 | $2,500 | $500 | $3,000 | $5,963 |
Property facts
Year built
—
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
—
Lot size
10,454 sqft
ZIP code
11768
City
Northport
Street
Hillside Ave
Coordinates
40.92662, -73.32907
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Hillside Ave last sell?
No public-record sale is on file for 21 Hillside Ave.
What is the current tax assessment for 21 Hillside Ave?
The most recent total assessment for 21 Hillside Ave (year 2025) is $3,300 with $11,891 in property tax.
When was 21 Hillside Ave built?
The year built for 21 Hillside Ave is not in our records.
How does 21 Hillside Ave compare to others on Hillside Ave?
We track 4 other properties on Hillside Ave. Browse the list under "Other properties on Hillside Ave" to compare beds, baths, and sale history.
What are the property facts for 21 Hillside Ave?
21 Hillside Ave is a — bath, 10,454 sqft lot single_family.
Is 21 Hillside Ave a flip candidate?
No — 21 Hillside Ave does not appear in our flips dataset.
Is 21 Hillside Ave a tax-appeal candidate?
No — 21 Hillside 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
-1.2%
Implied 1-yr
-5.0%
2026 Q3
$1.02M
2026 Q4
$1.01M
ZIP 11768 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Hillside Ave