139 Blackstone St
Mendon, MA 01756
3 bd 4 ba 3,504 sqft Built 2002 Lot 100,000 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 | $751,500 | $173,900 | $925,400 | $12,391 |
| 2024 | $719,700 | $167,200 | $886,900 | $12,159 |
| 2022 | $680,700 | $149,200 | $829,900 | $11,353 |
| 2021 | $539,600 | $141,000 | $680,600 | $11,427 |
| 2020 | $535,500 | $134,300 | $669,800 | $11,219 |
| 2019 | $505,400 | $130,400 | $635,800 | $10,643 |
| 2018 | $484,400 | $123,900 | $608,300 | $10,317 |
| 2017 | $465,500 | $123,900 | $589,400 | $10,462 |
| 2016 | $437,000 | $124,200 | $561,200 | $9,681 |
| 2015 | $411,400 | $117,400 | $528,800 | $8,466 |
| 2014 | $387,800 | $113,700 | $501,500 | $8,034 |
| 2006 | $503,200 | $187,000 | $690,200 | $6,660 |
| 2005 | $470,800 | $170,000 | $640,800 | $6,280 |
| 2004 | $394,300 | $148,400 | $542,700 | $6,040 |
| 2003 | — | $117,700 | $117,700 | $1,355 |
Property facts
Year built
2002
Property type
single_family
Stories
—
Beds
3
Baths
4
Living area
3,504 sqft
Lot size
100,000 sqft
ZIP code
01756
City
Mendon
Street
Blackstone St
Coordinates
42.07817, -71.55843
Comparable properties nearby
Frequently asked questions
When did 139 Blackstone St last sell?
No public-record sale is on file for 139 Blackstone St.
What is the current tax assessment for 139 Blackstone St?
The most recent total assessment for 139 Blackstone St (year 2025) is $925,400 with $12,391 in property tax.
When was 139 Blackstone St built?
139 Blackstone St was built in 2002.
How does 139 Blackstone St compare to others on Blackstone St?
We track 8 other properties on Blackstone St. Browse the list under "Other properties on Blackstone St" to compare beds, baths, and sale history.
What are the property facts for 139 Blackstone St?
139 Blackstone St is a 3 bed, 4 bath, 3,504 sqft, 100,000 sqft lot single_family.
Is 139 Blackstone St a flip candidate?
No — 139 Blackstone St does not appear in our flips dataset.
Is 139 Blackstone St a tax-appeal candidate?
No — 139 Blackstone 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
+1.9%
Implied 1-yr
+7.7%
2026 Q1
$782.1K
2026 Q2
$795.5K
ZIP 01756 — Median Price History + Forecast
Explore nearby
Geography
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