643 Harold St
Mamaroneck, NY 10543
3 bd 2 ba 1,328 sqft Built 1923 Lot 4,985 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 | $434,600 | $275,900 | $710,500 | $16,328 |
| 2024 | $394,300 | $275,900 | $670,200 | $15,955 |
| 2023 | $357,100 | $262,800 | $619,900 | $11,752 |
| 2022 | $307,900 | $262,800 | $570,700 | $11,620 |
| 2021 | $307,900 | $262,800 | $570,700 | $7,848 |
| 2020 | $297,700 | $214,200 | $511,900 | $6,545 |
| 2018 | $290,700 | $210,800 | $501,500 | $5,890 |
| 2017 | $288,300 | $210,700 | $499,000 | $3,317 |
| 2016 | $273,800 | $176,900 | $450,700 | $7,286 |
| 2015 | $248,700 | $175,300 | $424,000 | $7,635 |
| 2014 | $248,700 | $161,800 | $410,500 | $11,640 |
| 2013 | $252,800 | $161,800 | $414,600 | $141,874 |
| 2012 | $247,100 | $161,800 | $408,900 | $13,675 |
| 2011 | $320,400 | $160,900 | $481,300 | $2,095 |
| 2008 | $351,800 | $176,700 | $528,500 | $8,161 |
| 2007 | $337,300 | $176,700 | $514,000 | $6,236 |
Property facts
Year built
1923
Property type
single_family
Stories
—
Beds
3
Baths
2
Living area
1,328 sqft
Lot size
4,985 sqft
ZIP code
10543
City
Mamaroneck
Street
Harold St
Coordinates
40.96185, -73.73043
Comparable properties nearby
Frequently asked questions
When did 643 Harold St last sell?
No public-record sale is on file for 643 Harold St.
What is the current tax assessment for 643 Harold St?
The most recent total assessment for 643 Harold St (year 2025) is $710,500 with $16,328 in property tax.
When was 643 Harold St built?
643 Harold St was built in 1923.
How does 643 Harold St compare to others on Harold St?
We track 3 other properties on Harold St. Browse the list under "Other properties on Harold St" to compare beds, baths, and sale history.
What are the property facts for 643 Harold St?
643 Harold St is a 3 bed, 2 bath, 1,328 sqft, 4,985 sqft lot single_family.
Is 643 Harold St a flip candidate?
No — 643 Harold St does not appear in our flips dataset.
Is 643 Harold St a tax-appeal candidate?
No — 643 Harold St 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 Harold St