21 Castle St
Leominster, MA 01453
4 bd 4 ba 2,572 sqft Lot 10,000 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 | $337,100 | $119,400 | $456,500 | $6,405 |
| 2024 | $314,900 | $113,700 | $428,600 | $6,219 |
| 2023 | $290,900 | $98,900 | $389,800 | $6,057 |
| 2022 | $267,000 | $86,000 | $353,000 | $5,846 |
| 2021 | $269,900 | $66,900 | $336,800 | $6,106 |
| 2020 | $265,800 | $66,900 | $332,700 | $5,982 |
| 2019 | $243,900 | $63,700 | $307,600 | $5,703 |
| 2018 | $271,200 | $61,900 | $333,100 | $6,439 |
| 2017 | $248,100 | $57,800 | $305,900 | $6,035 |
| 2016 | $236,500 | $57,800 | $294,300 | $5,762 |
| 2015 | $222,000 | $57,800 | $279,800 | $5,439 |
| 2014 | $202,000 | $60,700 | $262,700 | $4,962 |
| 2006 | $300,200 | $79,100 | $379,300 | $4,093 |
| 2005 | $259,700 | $59,900 | $319,600 | $3,758 |
| 2004 | $238,900 | $52,700 | $291,600 | $3,692 |
| 2003 | $195,300 | $52,300 | $247,600 | $3,219 |
Property facts
Year built
—
Property type
single_family
Stories
—
Beds
4
Baths
4
Living area
2,572 sqft
Lot size
10,000 sqft
ZIP code
01453
City
Leominster
Street
Castle St
Coordinates
42.51595, -71.75326
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Castle St last sell?
No public-record sale is on file for 21 Castle St.
What is the current tax assessment for 21 Castle St?
The most recent total assessment for 21 Castle St (year 2025) is $456,500 with $6,405 in property tax.
When was 21 Castle St built?
The year built for 21 Castle St is not in our records.
How does 21 Castle St compare to others on Castle St?
We track 1 other property on Castle St. Browse the list under "Other properties on Castle St" to compare beds, baths, and sale history.
What are the property facts for 21 Castle St?
21 Castle St is a 4 bed, 4 bath, 2,572 sqft, 10,000 sqft lot single_family.
Is 21 Castle St a flip candidate?
No — 21 Castle St does not appear in our flips dataset.
Is 21 Castle St a tax-appeal candidate?
No — 21 Castle 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
-2.1%
Implied 1-yr
-8.3%
2026 Q3
$363.6K
2026 Q4
$358.1K
ZIP 01453 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Castle St