21 William St
Chester, MA 01011
3 bd 2 ba 1,640 sqft Built 1900 Lot 19,166 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 | $187,000 | $17,800 | $204,800 | $3,699 |
| 2024 | $187,000 | $17,800 | $204,800 | $3,498 |
| 2023 | $171,900 | $17,800 | $189,700 | $3,382 |
| 2022 | $148,500 | $17,800 | $166,300 | $3,190 |
| 2020 | $119,500 | $14,700 | $134,200 | $2,778 |
| 2019 | $117,500 | $13,800 | $131,300 | $2,757 |
| 2018 | $120,400 | $13,800 | $134,200 | $2,603 |
| 2017 | $120,400 | $13,800 | $134,200 | $2,727 |
| 2016 | $120,400 | $13,800 | $134,200 | $2,705 |
| 2015 | $120,300 | $15,300 | $135,600 | $2,617 |
| 2014 | $120,300 | $15,300 | $135,600 | $2,831 |
| 2006 | $114,300 | $15,800 | $130,100 | $2,264 |
| 2005 | $92,200 | $12,600 | $104,800 | $1,966 |
| 2004 | $12,600 | $92,200 | $104,800 | $2,132 |
| 2003 | $92,100 | $12,600 | $104,700 | $1,993 |
Property facts
Year built
1900
Property type
single_family
Stories
—
Beds
3
Baths
2
Living area
1,640 sqft
Lot size
19,166 sqft
ZIP code
01011
City
Chester
Street
William St
Coordinates
42.28244, -72.98474
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 William St last sell?
No public-record sale is on file for 21 William St.
What is the current tax assessment for 21 William St?
The most recent total assessment for 21 William St (year 2025) is $204,800 with $3,699 in property tax.
When was 21 William St built?
21 William St was built in 1900.
How does 21 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 21 William St?
21 William St is a 3 bed, 2 bath, 1,640 sqft, 19,166 sqft lot single_family.
Is 21 William St a flip candidate?
No — 21 William St does not appear in our flips dataset.
Is 21 William St a tax-appeal candidate?
No — 21 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
+0.9%
Implied 1-yr
+3.4%
2026 Q1
$257.5K
2026 Q2
$259.6K
ZIP 01011 — Median Price History + Forecast
Explore nearby
Geography
Other properties on William St