21 Hartwell St
Waltham, MA 02453
2 bd 2 ba 1,200 sqft Built 1900 condos
Most recent sale
$545,000
Aug 4, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Aug 4, 2022 | Sold | $545,000 | MLS #73011987 |
| Jul 14, 2022 | Listed | $539,900 | MLS #73011987 |
| Mar 11, 2016 | Sold | $410,000 | MLS #71874264 |
| Oct 6, 2015 | Price changed | $419,900 | MLS #71874264 |
| Jul 16, 2015 | Listed | $429,900 | MLS #71874264 |
| Aug 31, 2013 | Sold | $311,000 | MLS #71037582 |
| Jun 1, 2010 | Sold | $311,000 | Public Record |
| Apr 20, 2010 | Price changed | $329,900 | MLS #71037582 |
| Mar 19, 2010 | Price changed | $339,900 | MLS #71037582 |
| Feb 25, 2010 | Listed | $349,900 | MLS #71037582 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $541,100 | — | $541,100 | $5,314 |
| 2024 | $525,300 | — | $525,300 | $5,064 |
| 2023 | $525,300 | — | $525,300 | $5,421 |
| 2022 | $511,000 | — | $511,000 | $5,693 |
| 2021 | $482,400 | — | $482,400 | $5,461 |
| 2020 | $446,700 | — | $446,700 | $5,338 |
| 2019 | $382,500 | — | $382,500 | $4,842 |
| 2018 | $382,500 | — | $382,500 | $4,823 |
| 2017 | $357,800 | — | $357,800 | $4,494 |
| 2016 | $357,800 | — | $357,800 | $4,379 |
| 2015 | $317,700 | — | $317,700 | $4,171 |
| 2013 | $306,800 | — | $306,800 | $4,139 |
Property facts
Year built
1900
Property type
condos
Stories
2
Beds
2
Baths
2
Living area
1,200 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 monthsInvestment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$3,480
Gross rental yield
7.66%
Implied cap rate
4.98%
Trend-extrapolated value
—
Frequently asked questions
When did 21 Hartwell St last sell?
21 Hartwell St most recently sold on Aug 4, 2022 for $545,000.
What is the current tax assessment for 21 Hartwell St?
The most recent total assessment for 21 Hartwell St (year 2025) is $541,100 with $5,314 in property tax.
How does 21 Hartwell St's assessment compare to its last sale price?
The current assessment is 0.7% below the last sale price of $545,000.
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 2 bed, 2 bath, 1,200 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