9 Knowlton St
Boston, MA 02127
2 bd 1 ba 762 sqft Built 1905 Lot 871 sqft condos
Most recent sale
$645,000
May 27, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Sep 1, 2025 | Listing removed | $309,000 | MLSPIN |
| May 27, 2022 | Sold | $645,000 | MLS #72963160 |
| Apr 6, 2022 | Listed | $635,000 | MLS #72963160 |
| Aug 17, 2010 | Listing removed | $309,000 | MLSPIN |
| Aug 13, 2010 | Sold | $295,000 | Public Record |
| Jun 2, 2010 | Price changed | $309,000 | MLS #71068311 |
| May 7, 2010 | Price changed | $324,000 | MLS #71068311 |
| Apr 20, 2010 | Listed | $339,000 | MLS #71068311 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $588,800 | — | $588,800 | $6,818 |
| 2024 | $582,800 | — | $582,800 | $6,353 |
| 2023 | $570,900 | — | $570,900 | $6,131 |
| 2022 | $548,900 | — | $548,900 | $5,972 |
| 2021 | $538,100 | — | $538,100 | $5,742 |
| 2020 | $498,900 | — | $498,900 | $5,268 |
| 2019 | $466,400 | — | $466,400 | $4,916 |
| 2018 | $444,100 | — | $444,100 | $4,654 |
| 2017 | $415,100 | — | $415,100 | $4,396 |
| 2016 | $391,600 | — | $391,600 | $4,308 |
| 2015 | $342,400 | — | $342,400 | $4,146 |
| 2014 | $305,600 | — | $305,600 | $3,844 |
Property facts
Year built
1905
Property type
condos
Stories
1
Beds
2
Baths
1
Living area
762 sqft
Lot size
871 sqft
ZIP code
02127
City
Boston
Street
Knowlton St
Coordinates
42.33262, -71.04995
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
$2,210
Gross rental yield
4.11%
Implied cap rate
2.67%
Trend-extrapolated value
—
Frequently asked questions
When did 9 Knowlton St last sell?
9 Knowlton St most recently sold on May 27, 2022 for $645,000.
What is the current tax assessment for 9 Knowlton St?
The most recent total assessment for 9 Knowlton St (year 2025) is $588,800 with $6,818 in property tax.
How does 9 Knowlton St's assessment compare to its last sale price?
The current assessment is 8.7% below the last sale price of $645,000.
When was 9 Knowlton St built?
9 Knowlton St was built in 1905.
How does 9 Knowlton St compare to others on Knowlton St?
We track 4 other properties on Knowlton St. Browse the list under "Other properties on Knowlton St" to compare beds, baths, and sale history.
What are the property facts for 9 Knowlton St?
9 Knowlton St is a 2 bed, 1 bath, 762 sqft, 871 sqft lot condos.
Is 9 Knowlton St a flip candidate?
No — 9 Knowlton St does not appear in our flips dataset.
Is 9 Knowlton St a tax-appeal candidate?
No — 9 Knowlton 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
-0.4%
Implied 1-yr
-1.7%
2026 Q3
$1.02M
2026 Q4
$1.01M
ZIP 02127 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Knowlton St