20 Castle Ave
Athol, MA 01331
3 bd 1 ba 1,664 sqft Built 1947 Lot 8,520 sqft single_family
Most recent sale
$310,000
Dec 15, 2023
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Dec 15, 2023 | Sold | $310,000 | MLSPIN |
| Nov 1, 2023 | Listed | $293,000 | MLSPIN |
| Aug 24, 2006 | Sold | $170,000 | MLSPIN |
| Jun 14, 2006 | Listed | $169,900 | MLSPIN |
| Oct 8, 2002 | Sold | $135,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $219,900 | $48,300 | $268,200 | $3,409 |
| 2023 | $182,400 | $35,000 | $217,400 | $3,052 |
| 2022 | $146,500 | $33,400 | $179,900 | $2,887 |
| 2021 | $116,900 | $30,300 | $147,200 | $2,600 |
| 2020 | $113,800 | $27,600 | $141,400 | $2,429 |
| 2019 | $106,500 | $26,000 | $132,500 | $2,312 |
| 2018 | $96,900 | $23,600 | $120,500 | $2,358 |
| 2017 | $81,900 | $23,600 | $105,500 | $2,152 |
| 2016 | $76,600 | $23,600 | $100,200 | $1,987 |
| 2015 | $76,600 | $23,600 | $100,200 | $1,907 |
| 2014 | $76,600 | $23,600 | $100,200 | $1,847 |
| 2006 | $100,800 | $29,800 | $130,600 | $1,250 |
| 2005 | $100,800 | $24,100 | $124,900 | $1,217 |
| 2004 | $93,300 | $17,100 | $110,400 | $1,219 |
| 2003 | $88,900 | $16,300 | $105,200 | $1,722 |
Property facts
Year built
1947
Property type
single_family
Stories
—
Beds
3
Baths
1
Living area
1,664 sqft
Lot size
8,520 sqft
ZIP code
01331
City
Athol
Street
Castle Ave
Coordinates
42.60401, -72.23771
Comparable properties nearby
Investment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$1,860
Gross rental yield
7.20%
Implied cap rate
4.68%
Trend-extrapolated value
—
Frequently asked questions
When did 20 Castle Ave last sell?
20 Castle Ave most recently sold on Dec 15, 2023 for $310,000.
What is the current tax assessment for 20 Castle Ave?
The most recent total assessment for 20 Castle Ave (year 2025) is $268,200 with $3,409 in property tax.
How does 20 Castle Ave's assessment compare to its last sale price?
The current assessment is 13.5% below the last sale price of $310,000.
When was 20 Castle Ave built?
20 Castle Ave was built in 1947.
How does 20 Castle Ave compare to others on Castle Ave?
We track 1 other property on Castle Ave. Browse the list under "Other properties on Castle Ave" to compare beds, baths, and sale history.
What are the property facts for 20 Castle Ave?
20 Castle Ave is a 3 bed, 1 bath, 1,664 sqft, 8,520 sqft lot single_family.
Is 20 Castle Ave a flip candidate?
No — 20 Castle Ave does not appear in our flips dataset.
Is 20 Castle Ave a tax-appeal candidate?
No — 20 Castle Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+0.7%
Implied 1-yr
+2.8%
2026 Q3
$331.1K
2026 Q4
$333.4K
ZIP 01331 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Castle Ave