139 Prospect St
Acton, MA 01720
3 bd 3 ba 2,610 sqft Built 2007 condos
Most recent sale
$535,000
Mar 30, 2016
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Apr 30, 2024 | Listed | $849,000 | MLSPIN |
| Mar 30, 2016 | Sold | $535,000 | MLSPIN |
| Jan 27, 2016 | Listed | $535,000 | MLSPIN |
| Aug 29, 2013 | Sold | $483,000 | MLSPIN |
| Apr 29, 2011 | Sold | $483,000 | Public Record |
| Nov 5, 2010 | Listed | $489,900 | MLSPIN |
| Nov 1, 2010 | Listing removed | $494,000 | MLSPIN |
| Oct 21, 2010 | Price changed | $494,000 | MLSPIN |
| Oct 12, 2010 | Price changed | $494,900 | MLSPIN |
| Sep 24, 2010 | Relisted | $515,000 | MLSPIN |
| Sep 22, 2010 | Listing removed | $499,000 | MLSPIN |
| Jun 15, 2010 | Price changed | $499,000 | MLSPIN |
| May 6, 2010 | Price changed | $500,000 | MLSPIN |
| May 5, 2010 | Price changed | $510,000 | MLSPIN |
| Feb 13, 2010 | Price changed | $512,500 | MLSPIN |
| Jan 17, 2010 | Price changed | $515,000 | MLSPIN |
| Oct 29, 2009 | Listed | $518,000 | MLSPIN |
| Oct 29, 2009 | Listing removed | $579,000 | MLSPIN |
| Aug 7, 2007 | Listed | $579,000 | MLSPIN |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $713,800 | — | $713,800 | $12,242 |
| 2024 | $654,500 | — | $654,500 | $10,911 |
| 2023 | $585,800 | — | $585,800 | $10,287 |
| 2022 | $567,100 | — | $567,100 | $11,030 |
| 2021 | $555,200 | — | $555,200 | $11,232 |
| 2020 | $538,500 | — | $538,500 | $10,361 |
| 2019 | $528,500 | — | $528,500 | $10,237 |
| 2018 | $501,900 | — | $501,900 | $9,727 |
| 2017 | $487,000 | — | $487,000 | $9,282 |
| 2016 | $480,500 | — | $480,500 | $9,240 |
| 2015 | $466,000 | — | $466,000 | $8,877 |
| 2013 | $457,900 | — | $457,900 | $8,746 |
Property facts
Year built
2007
Property type
condos
Stories
4
Beds
3
Baths
3
Living area
2,610 sqft
Lot size
—
ZIP code
01720
City
Acton
Street
Prospect St
Coordinates
42.47382, -71.45763
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 139 Prospect St last sell?
139 Prospect St most recently sold on Mar 30, 2016 for $535,000.
What is the current tax assessment for 139 Prospect St?
The most recent total assessment for 139 Prospect St (year 2025) is $713,800 with $12,242 in property tax.
How does 139 Prospect St's assessment compare to its last sale price?
The current assessment is 33.4% above the last sale price of $535,000.
When was 139 Prospect St built?
139 Prospect St was built in 2007.
How does 139 Prospect St compare to others on Prospect St?
We track 8 other properties on Prospect St. Browse the list under "Other properties on Prospect St" to compare beds, baths, and sale history.
What are the property facts for 139 Prospect St?
139 Prospect St is a 3 bed, 3 bath, 2,610 sqft condos.
Is 139 Prospect St a flip candidate?
No — 139 Prospect St does not appear in our flips dataset.
Is 139 Prospect St a tax-appeal candidate?
No — 139 Prospect 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
-4.0%
Implied 1-yr
-15.9%
2026 Q3
$547.2K
2026 Q4
$517.9K
ZIP 01720 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Prospect St