640 Forest Ave
Mamaroneck, NY 10543
5 bd 3 ba 2,436 sqft Built 1939 Lot 6,955 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 | $996,000 | $405,000 | $1,401,000 | $30,997 |
| 2024 | $955,000 | $405,000 | $1,360,000 | $28,713 |
| 2023 | $750,000 | $405,000 | $1,155,000 | $20,764 |
| 2022 | $695,000 | $405,000 | $1,100,000 | $20,713 |
| 2021 | $695,000 | $405,000 | $1,100,000 | $27,841 |
| 2020 | $840,000 | $405,000 | $1,245,000 | $31,160 |
| 2018 | $840,000 | $405,000 | $1,245,000 | $30,594 |
| 2017 | $840,000 | $405,000 | $1,245,000 | $24,858 |
| 2016 | $758,000 | $362,000 | $1,120,000 | $21,056 |
| 2015 | $758,000 | $362,000 | $1,120,000 | $30,549 |
| 2014 | $758,000 | $362,000 | $1,120,000 | $919,818 |
| 2013 | $12,100 | $4,000 | $16,100 | $10,782 |
| 2012 | $12,100 | $4,000 | $16,100 | $9,358 |
| 2011 | $12,100 | $4,000 | $16,100 | $21,614 |
| 2008 | $12,100 | $4,000 | $16,100 | $17,017 |
| 2007 | $12,100 | $4,000 | $16,100 | $15,512 |
Property facts
Year built
1939
Property type
single_family
Stories
—
Beds
5
Baths
3
Living area
2,436 sqft
Lot size
6,955 sqft
ZIP code
10543
City
Mamaroneck
Street
Forest Ave
Coordinates
40.93805, -73.72968
Comparable properties nearby
Frequently asked questions
When did 640 Forest Ave last sell?
No public-record sale is on file for 640 Forest Ave.
What is the current tax assessment for 640 Forest Ave?
The most recent total assessment for 640 Forest Ave (year 2025) is $1,401,000 with $30,997 in property tax.
When was 640 Forest Ave built?
640 Forest Ave was built in 1939.
How does 640 Forest Ave compare to others on Forest Ave?
We track 2 other properties on Forest Ave. Browse the list under "Other properties on Forest Ave" to compare beds, baths, and sale history.
What are the property facts for 640 Forest Ave?
640 Forest Ave is a 5 bed, 3 bath, 2,436 sqft, 6,955 sqft lot single_family.
Is 640 Forest Ave a flip candidate?
No — 640 Forest Ave does not appear in our flips dataset.
Is 640 Forest Ave a tax-appeal candidate?
No — 640 Forest 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
-6.8%
Implied 1-yr
-27.2%
2026 Q3
$693.8K
2026 Q4
$693.8K
ZIP 10543 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Forest Ave