31 Mason St
Williamstown, MA 01267
3 bd 2 ba 1,092 sqft Built 1977 Lot 23,087 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 | $135,000 | $90,000 | $225,000 | $3,105 |
| 2024 | $123,900 | $85,300 | $209,200 | $3,169 |
| 2023 | $113,000 | $77,800 | $190,800 | $3,085 |
| 2022 | $104,600 | $74,900 | $179,500 | $3,037 |
| 2021 | $94,100 | $74,900 | $169,000 | $2,924 |
| 2020 | $91,300 | $75,400 | $166,700 | $2,934 |
| 2019 | $79,200 | $81,900 | $161,100 | $2,908 |
| 2018 | $79,200 | $81,900 | $161,100 | $2,890 |
| 2017 | $79,200 | $81,900 | $161,100 | $2,745 |
| 2016 | $79,200 | $81,900 | $161,100 | $2,544 |
| 2015 | $79,200 | $81,900 | $161,100 | $2,515 |
| 2013 | $84,900 | $78,900 | $163,800 | $2,354 |
| 2006 | $75,000 | $81,000 | $156,000 | $1,856 |
Property facts
Year built
1977
Property type
single_family
Stories
—
Beds
3
Baths
2
Living area
1,092 sqft
Lot size
23,087 sqft
ZIP code
01267
City
Williamstown
Street
Mason St
Coordinates
42.73720, -73.20731
Comparable properties nearby
Frequently asked questions
When did 31 Mason St last sell?
No public-record sale is on file for 31 Mason St.
What is the current tax assessment for 31 Mason St?
The most recent total assessment for 31 Mason St (year 2025) is $225,000 with $3,105 in property tax.
When was 31 Mason St built?
31 Mason St was built in 1977.
How does 31 Mason St compare to others on Mason St?
We do not currently track other properties on Mason St.
What are the property facts for 31 Mason St?
31 Mason St is a 3 bed, 2 bath, 1,092 sqft, 23,087 sqft lot single_family.
Is 31 Mason St a flip candidate?
No — 31 Mason St does not appear in our flips dataset.
Is 31 Mason St a tax-appeal candidate?
No — 31 Mason 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
+3.0%
Implied 1-yr
+12.0%
2026 Q3
$596.2K
2026 Q4
$611.1K
ZIP 01267 — Median Price History + Forecast
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Geography