21 Hartwell St
Waltham, MA 02453
3 bd 2 ba 1,662 sqft Built 1900 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 | $577,500 | — | $577,500 | $5,671 |
| 2024 | $561,100 | — | $561,100 | $5,409 |
| 2023 | $561,100 | — | $561,100 | $5,791 |
| 2022 | $545,800 | — | $545,800 | $6,080 |
| 2021 | $515,100 | — | $515,100 | $5,831 |
| 2020 | $476,800 | — | $476,800 | $5,698 |
| 2019 | $407,800 | — | $407,800 | $5,163 |
| 2018 | $407,800 | — | $407,800 | $5,142 |
| 2017 | $381,500 | — | $381,500 | $4,792 |
| 2016 | $381,500 | — | $381,500 | $4,670 |
| 2015 | $338,500 | — | $338,500 | $4,445 |
| 2013 | $326,800 | — | $326,800 | $4,409 |
Property facts
Year built
1900
Property type
condos
Stories
—
Beds
3
Baths
2
Living area
1,662 sqft
Lot size
—
ZIP code
02453
City
Waltham
Street
Hartwell St
Coordinates
42.36136, -71.26244
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Hartwell St last sell?
No public-record sale is on file for 21 Hartwell St.
What is the current tax assessment for 21 Hartwell St?
The most recent total assessment for 21 Hartwell St (year 2025) is $577,500 with $5,671 in property tax.
When was 21 Hartwell St built?
21 Hartwell St was built in 1900.
How does 21 Hartwell St compare to others on Hartwell St?
We track 5 other properties on Hartwell St. Browse the list under "Other properties on Hartwell St" to compare beds, baths, and sale history.
What are the property facts for 21 Hartwell St?
21 Hartwell St is a 3 bed, 2 bath, 1,662 sqft condos.
Is 21 Hartwell St a flip candidate?
No — 21 Hartwell St does not appear in our flips dataset.
Is 21 Hartwell St a tax-appeal candidate?
No — 21 Hartwell 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
+1.7%
Implied 1-yr
+6.9%
2026 Q3
$1.08M
2026 Q4
$1.1M
ZIP 02453 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Hartwell St