643 6th Ave
East Northport, NY 11731
3 bd 3 ba Built 1975 Lot 5,227 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 | $200 | $3,000 | $11,287 |
| 2024 | $2,800 | $200 | $3,000 | $10,383 |
| 2023 | $2,800 | $200 | $3,000 | $10,017 |
| 2022 | $2,800 | $200 | $3,000 | $9,805 |
| 2021 | $2,800 | $200 | $3,000 | $9,520 |
| 2020 | $2,800 | $200 | $3,000 | $9,377 |
| 2018 | $2,800 | $200 | $3,000 | $9,113 |
| 2017 | $2,800 | $200 | $3,000 | $8,893 |
| 2016 | $2,800 | $200 | $3,000 | $7,955 |
| 2015 | $2,800 | $200 | $3,000 | $7,760 |
| 2014 | $2,800 | $200 | $3,000 | $7,587 |
| 2013 | $2,800 | $200 | $3,000 | $7,320 |
| 2012 | $2,800 | $200 | $3,000 | $7,175 |
| 2011 | $2,800 | $200 | $3,000 | $7,037 |
| 2010 | $2,800 | $200 | $3,000 | $6,814 |
| 2008 | $3,175 | $200 | $3,375 | $7,549 |
| 2007 | $3,175 | $200 | $3,375 | $7,106 |
| 2006 | $3,175 | $200 | $3,375 | $6,954 |
Property facts
Year built
1975
Property type
single_family
Stories
—
Beds
3
Baths
3
Living area
—
Lot size
5,227 sqft
ZIP code
11731
City
East Northport
Street
6th Ave
Coordinates
40.87149, -73.33904
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 643 6th Ave last sell?
No public-record sale is on file for 643 6th Ave.
What is the current tax assessment for 643 6th Ave?
The most recent total assessment for 643 6th Ave (year 2025) is $3,000 with $11,287 in property tax.
When was 643 6th Ave built?
643 6th Ave was built in 1975.
How does 643 6th Ave compare to others on 6th Ave?
We track 8 other properties on 6th Ave. Browse the list under "Other properties on 6th Ave" to compare beds, baths, and sale history.
What are the property facts for 643 6th Ave?
643 6th Ave is a 3 bed, 3 bath, 5,227 sqft lot single_family.
Is 643 6th Ave a flip candidate?
No — 643 6th Ave does not appear in our flips dataset.
Is 643 6th Ave a tax-appeal candidate?
No — 643 6th 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
+1.1%
Implied 1-yr
+4.2%
2026 Q3
$841.8K
2026 Q4
$850K
ZIP 11731 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 6th Ave