21 Walton St
Waltham, MA 02451
3 bd 1 ba 1,292 sqft Built 1910 Lot 4,600 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 | $227,000 | $334,200 | $561,200 | $5,511 |
| 2024 | $224,700 | $318,300 | $543,000 | $5,235 |
| 2023 | $215,200 | $290,600 | $505,800 | $5,220 |
| 2022 | $200,400 | $263,000 | $463,400 | $5,162 |
| 2021 | $188,700 | $263,000 | $451,700 | $5,113 |
| 2020 | $180,700 | $249,100 | $429,800 | $5,136 |
| 2019 | $159,100 | $234,700 | $393,800 | $4,986 |
| 2018 | $146,600 | $217,300 | $363,900 | $4,589 |
| 2017 | $146,600 | $197,200 | $343,800 | $4,318 |
| 2016 | $125,100 | $184,100 | $309,200 | $3,785 |
| 2015 | $105,900 | $173,000 | $278,900 | $3,662 |
| 2013 | $112,600 | $152,200 | $264,800 | $3,572 |
| 2006 | $93,500 | $175,200 | $268,700 | $2,776 |
| 2005 | $93,500 | $157,000 | $250,500 | $2,477 |
| 2004 | $89,100 | $157,000 | $246,100 | $2,267 |
| 2003 | $90,500 | $136,800 | $227,300 | $2,198 |
Property facts
Year built
1910
Property type
single_family
Stories
—
Beds
3
Baths
1
Living area
1,292 sqft
Lot size
4,600 sqft
ZIP code
02451
City
Waltham
Street
Walton St
Coordinates
42.39808, -71.24890
Comparable properties nearby
Frequently asked questions
When did 21 Walton St last sell?
No public-record sale is on file for 21 Walton St.
What is the current tax assessment for 21 Walton St?
The most recent total assessment for 21 Walton St (year 2025) is $561,200 with $5,511 in property tax.
When was 21 Walton St built?
21 Walton St was built in 1910.
How does 21 Walton St compare to others on Walton St?
We do not currently track other properties on Walton St.
What are the property facts for 21 Walton St?
21 Walton St is a 3 bed, 1 bath, 1,292 sqft, 4,600 sqft lot single_family.
Is 21 Walton St a flip candidate?
No — 21 Walton St does not appear in our flips dataset.
Is 21 Walton St a tax-appeal candidate?
No — 21 Walton 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
+1.6%
Implied 1-yr
+6.3%
2026 Q3
$994.1K
2026 Q4
$1.01M
ZIP 02451 — Median Price History + Forecast
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Geography