51 Knowlton Cir
Upton, MA 01568
5 bd 4 ba 2,649 sqft Built 2004 Lot 880,348 sqft condos
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 | $472,700 | — | $472,700 | $6,216 |
| 2024 | $466,800 | — | $466,800 | $6,386 |
| 2023 | $352,400 | — | $352,400 | $4,888 |
| 2022 | $349,600 | — | $349,600 | $5,863 |
| 2021 | $343,000 | — | $343,000 | $5,694 |
| 2020 | $376,600 | — | $376,600 | $6,485 |
| 2019 | $321,200 | — | $321,200 | $5,560 |
| 2018 | $315,700 | — | $315,700 | $5,440 |
| 2017 | $283,900 | — | $283,900 | $5,156 |
| 2016 | $281,900 | — | $281,900 | $5,232 |
| 2015 | $276,200 | — | $276,200 | $4,682 |
| 2014 | $267,900 | — | $267,900 | $4,541 |
| 2006 | $317,600 | — | $317,600 | $3,382 |
Property facts
Year built
2004
Property type
condos
Stories
3
Beds
5
Baths
4
Living area
2,649 sqft
Lot size
880,348 sqft
ZIP code
01568
City
Upton
Street
Knowlton Cir
Coordinates
42.16630, -71.61791
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 51 Knowlton Cir last sell?
No public-record sale is on file for 51 Knowlton Cir.
What is the current tax assessment for 51 Knowlton Cir?
The most recent total assessment for 51 Knowlton Cir (year 2025) is $472,700 with $6,216 in property tax.
When was 51 Knowlton Cir built?
51 Knowlton Cir was built in 2004.
How does 51 Knowlton Cir compare to others on Knowlton Cir?
We track 8 other properties on Knowlton Cir. Browse the list under "Other properties on Knowlton Cir" to compare beds, baths, and sale history.
What are the property facts for 51 Knowlton Cir?
51 Knowlton Cir is a 5 bed, 4 bath, 2,649 sqft, 880,348 sqft lot condos.
Is 51 Knowlton Cir a flip candidate?
No — 51 Knowlton Cir does not appear in our flips dataset.
Is 51 Knowlton Cir a tax-appeal candidate?
No — 51 Knowlton Cir is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+3.6%
Implied 1-yr
+14.2%
2026 Q1
$961.3K
2026 Q2
$989.1K
ZIP 01568 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Knowlton Cir