12 Walnut St
Acton, MA 01720
4 bd 4 ba 4,251 sqft Built 1999 Lot 29,185 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 | $1,361,100 | — | $1,361,100 | $23,343 |
| 2024 | $1,218,800 | — | $1,218,800 | $20,317 |
| 2023 | $1,235,700 | — | $1,235,700 | $21,699 |
| 2022 | $1,048,100 | — | $1,048,100 | $20,386 |
| 2021 | $922,900 | — | $922,900 | $18,670 |
| 2020 | $957,900 | — | $957,900 | $18,430 |
| 2019 | $992,000 | — | $992,000 | $19,215 |
| 2018 | $977,600 | — | $977,600 | $18,946 |
| 2017 | $977,600 | — | $977,600 | $18,633 |
| 2016 | $915,000 | — | $915,000 | $17,595 |
| 2015 | $873,100 | — | $873,100 | $16,633 |
| 2013 | $879,800 | — | $879,800 | $16,804 |
| 2006 | $1,093,200 | — | $1,093,200 | $15,939 |
| 2005 | $1,049,900 | — | $1,049,900 | $14,499 |
| 2004 | $958,000 | — | $958,000 | $13,441 |
| 2003 | $901,300 | — | $901,300 | $12,213 |
Property facts
Year built
1999
Property type
single_family
Stories
—
Beds
4
Baths
4
Living area
4,251 sqft
Lot size
29,185 sqft
ZIP code
01720
City
Acton
Street
Walnut St
Coordinates
42.51350, -71.42790
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 12 Walnut St last sell?
No public-record sale is on file for 12 Walnut St.
What is the current tax assessment for 12 Walnut St?
The most recent total assessment for 12 Walnut St (year 2025) is $1,361,100 with $23,343 in property tax.
When was 12 Walnut St built?
12 Walnut St was built in 1999.
How does 12 Walnut St compare to others on Walnut St?
We track 5 other properties on Walnut St. Browse the list under "Other properties on Walnut St" to compare beds, baths, and sale history.
What are the property facts for 12 Walnut St?
12 Walnut St is a 4 bed, 4 bath, 4,251 sqft, 29,185 sqft lot single_family.
Is 12 Walnut St a flip candidate?
No — 12 Walnut St does not appear in our flips dataset.
Is 12 Walnut St a tax-appeal candidate?
No — 12 Walnut 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 Walnut St