21 Thayer St
Brookline, MA 02445
6 bd 3 ba 2,165 sqft Built 1891 condo
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 | $1,336,400 | — | $1,336,400 | $13,190 |
| 2024 | $1,310,200 | — | $1,310,200 | $12,801 |
| 2023 | $1,247,700 | — | $1,247,700 | $12,440 |
| 2022 | $1,211,400 | — | $1,211,400 | $12,344 |
| 2021 | $1,199,400 | — | $1,199,400 | $11,754 |
| 2020 | $1,098,800 | — | $1,098,800 | $10,384 |
| 2019 | $1,038,300 | — | $1,038,300 | $9,729 |
| 2018 | $988,800 | — | $988,800 | $9,354 |
| 2017 | $915,600 | — | $915,600 | $9,046 |
| 2016 | $832,300 | — | $832,300 | $8,673 |
| 2015 | $756,700 | — | $756,700 | $8,082 |
| 2014 | $691,600 | — | $691,600 | $7,877 |
Property facts
Year built
1891
Property type
condo
Stories
3
Beds
6
Baths
3
Living area
2,165 sqft
Lot size
—
ZIP code
02445
City
Brookline
Street
Thayer St
Coordinates
42.33319, -71.12180
Comparable properties nearby
Frequently asked questions
When did 21 Thayer St last sell?
No public-record sale is on file for 21 Thayer St.
What is the current tax assessment for 21 Thayer St?
The most recent total assessment for 21 Thayer St (year 2025) is $1,336,400 with $13,190 in property tax.
When was 21 Thayer St built?
21 Thayer St was built in 1891.
How does 21 Thayer St compare to others on Thayer St?
We track 2 other properties on Thayer St. Browse the list under "Other properties on Thayer St" to compare beds, baths, and sale history.
What are the property facts for 21 Thayer St?
21 Thayer St is a 6 bed, 3 bath, 2,165 sqft condo.
Is 21 Thayer St a flip candidate?
No — 21 Thayer St does not appear in our flips dataset.
Is 21 Thayer St a tax-appeal candidate?
No — 21 Thayer 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
-3.0%
Implied 1-yr
-12.1%
2026 Q3
$1.96M
2026 Q4
$1.89M
ZIP 02445 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Thayer St