420 William St
Port Chester, NY 10573
4 bd 3 ba 1,560 sqft Built 1900 Lot 4,155 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 | $446,400 | $169,100 | $615,500 | $12,964 |
| 2024 | $411,600 | $169,100 | $580,700 | $12,054 |
| 2023 | $365,600 | $161,100 | $526,700 | $11,580 |
| 2022 | $313,400 | $161,100 | $474,500 | $10,572 |
| 2021 | $313,400 | $161,100 | $474,500 | $11,310 |
| 2020 | $243,900 | $156,900 | $400,800 | $10,372 |
| 2018 | $238,200 | $158,500 | $396,700 | $11,057 |
| 2017 | $197,400 | $138,000 | $335,400 | $6,551 |
| 2016 | $247,700 | $138,300 | $386,000 | $9,969 |
| 2015 | $253,900 | $130,500 | $384,400 | $15,240 |
| 2014 | $253,900 | $138,000 | $391,900 | $15,230 |
| 2013 | $250,500 | $138,000 | $388,500 | $5,819 |
| 2012 | $244,900 | $131,800 | $376,700 | $1,744 |
| 2011 | $276,600 | $111,200 | $387,800 | $12,039 |
| 2008 | $301,500 | $122,100 | $423,600 | $6,119 |
| 2007 | $289,900 | $122,100 | $412,000 | $4,635 |
Property facts
Year built
1900
Property type
single_family
Stories
—
Beds
4
Baths
3
Living area
1,560 sqft
Lot size
4,155 sqft
ZIP code
10573
City
Port Chester
Street
William St
Coordinates
41.00164, -73.67567
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 420 William St last sell?
No public-record sale is on file for 420 William St.
What is the current tax assessment for 420 William St?
The most recent total assessment for 420 William St (year 2025) is $615,500 with $12,964 in property tax.
When was 420 William St built?
420 William St was built in 1900.
How does 420 William St compare to others on William St?
We track 8 other properties on William St. Browse the list under "Other properties on William St" to compare beds, baths, and sale history.
What are the property facts for 420 William St?
420 William St is a 4 bed, 3 bath, 1,560 sqft, 4,155 sqft lot single_family.
Is 420 William St a flip candidate?
No — 420 William St does not appear in our flips dataset.
Is 420 William St a tax-appeal candidate?
No — 420 William 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
+4.2%
Implied 1-yr
+16.8%
2026 Q3
$1.56M
2026 Q4
$1.56M
ZIP 10573 — Median Price History + Forecast
Explore nearby
Geography
Other properties on William St