21 Copley Ave
Waltham, MA 02452
4 bd 3 ba 2,630 sqft Built 2006 Lot 3,598 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 | $606,200 | $387,700 | $993,900 | $9,760 |
| 2024 | $597,500 | $369,600 | $967,100 | $9,323 |
| 2023 | $557,900 | $336,000 | $893,900 | $9,225 |
| 2022 | $532,000 | $329,300 | $861,300 | $9,595 |
| 2021 | $503,100 | $315,800 | $818,900 | $9,270 |
| 2020 | $480,400 | $295,700 | $776,100 | $9,274 |
| 2019 | $399,800 | $283,000 | $682,800 | $8,644 |
| 2018 | $359,500 | $262,100 | $621,600 | $7,838 |
| 2017 | $359,500 | $238,600 | $598,100 | $7,512 |
| 2016 | $310,700 | $228,500 | $539,200 | $6,600 |
| 2015 | $285,100 | $205,000 | $490,100 | $6,435 |
| 2013 | $306,200 | $171,400 | $477,600 | $6,443 |
| 2006 | $177,500 | $237,700 | $415,200 | $4,289 |
| 2005 | $167,300 | $220,100 | $387,400 | $3,831 |
| 2004 | $167,300 | $198,800 | $366,100 | $3,372 |
| 2003 | $146,000 | $169,000 | $315,000 | $3,046 |
Property facts
Year built
2006
Property type
single_family
Stories
—
Beds
4
Baths
3
Living area
2,630 sqft
Lot size
3,598 sqft
ZIP code
02452
City
Waltham
Street
Copley Ave
Coordinates
42.39482, -71.20151
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Copley Ave last sell?
No public-record sale is on file for 21 Copley Ave.
What is the current tax assessment for 21 Copley Ave?
The most recent total assessment for 21 Copley Ave (year 2025) is $993,900 with $9,760 in property tax.
When was 21 Copley Ave built?
21 Copley Ave was built in 2006.
How does 21 Copley Ave compare to others on Copley Ave?
We track 6 other properties on Copley Ave. Browse the list under "Other properties on Copley Ave" to compare beds, baths, and sale history.
What are the property facts for 21 Copley Ave?
21 Copley Ave is a 4 bed, 3 bath, 2,630 sqft, 3,598 sqft lot single_family.
Is 21 Copley Ave a flip candidate?
No — 21 Copley Ave does not appear in our flips dataset.
Is 21 Copley Ave a tax-appeal candidate?
No — 21 Copley Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-4.4%
Implied 1-yr
-17.4%
2026 Q1
$732.6K
2026 Q2
$690K
ZIP 02452 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Copley Ave