640 Sylvan Ave
Bayport, NY 11705
3 bd 2 ba 2,049 sqft Built 1963 Lot 35,284 sqft single_family
Most recent sale
$445,500
May 18, 2020
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Jan 24, 2023 | Sold | $600,000 | Public Record |
| Dec 7, 2022 | Sold | $600,000 | OneKeyMLS |
| Sep 22, 2022 | Listed | $599,000 | MLS #3432209 |
| May 18, 2020 | Sold | $445,500 | Public Record |
| Apr 3, 2020 | Sold | $445,500 | MLS #3185557 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $31,300 | $13,200 | $44,500 | $16,762 |
| 2017 | $31,300 | $13,200 | $44,500 | $9,995 |
| 2016 | $31,300 | $13,200 | $44,500 | $9,684 |
| 2015 | $31,300 | $13,200 | $44,500 | $9,880 |
| 2014 | $31,300 | $13,200 | $44,500 | $10,032 |
| 2013 | $31,300 | $13,200 | $44,500 | $9,781 |
| 2012 | $31,300 | $13,200 | $44,500 | $9,259 |
| 2011 | $31,300 | $13,200 | $44,500 | $8,893 |
| 2010 | $31,300 | $13,200 | $44,500 | $9,001 |
| 2009 | $31,300 | $13,200 | $44,500 | $8,555 |
| 2008 | $31,300 | $13,200 | $44,500 | $7,929 |
Property facts
Year built
1963
Property type
single_family
Stories
2
Beds
3
Baths
2
Living area
2,049 sqft
Lot size
35,284 sqft
ZIP code
11705
City
Bayport
Street
Sylvan Ave
Coordinates
40.75506, -73.04786
Comparable properties nearby
Frequently asked questions
When did 640 Sylvan Ave last sell?
640 Sylvan Ave most recently sold on May 18, 2020 for $445,500.
What is the current tax assessment for 640 Sylvan Ave?
The most recent total assessment for 640 Sylvan Ave (year 2025) is $44,500 with $16,762 in property tax.
How does 640 Sylvan Ave's assessment compare to its last sale price?
The current assessment is 90.0% below the last sale price of $445,500.
When was 640 Sylvan Ave built?
640 Sylvan Ave was built in 1963.
How does 640 Sylvan Ave compare to others on Sylvan Ave?
We track 8 other properties on Sylvan Ave. Browse the list under "Other properties on Sylvan Ave" to compare beds, baths, and sale history.
What are the property facts for 640 Sylvan Ave?
640 Sylvan Ave is a 3 bed, 2 bath, 2,049 sqft, 35,284 sqft lot single_family.
Is 640 Sylvan Ave a flip candidate?
No — 640 Sylvan Ave does not appear in our flips dataset.
Is 640 Sylvan Ave a tax-appeal candidate?
No — 640 Sylvan 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
+4.5%
2026 Q3
$762.6K
2026 Q4
$770.6K
ZIP 11705 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Sylvan Ave