9 Sumner Ln
Belmont, MA 02478
4 bd 6 ba 7,024 sqft Built 2013 Lot 85,378 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 | $9,259,000 | $1,393,000 | $10,652,000 | $121,326 |
| 2024 | $7,359,000 | $1,517,000 | $8,876,000 | $93,731 |
| 2023 | $6,201,000 | $1,432,000 | $7,633,000 | $85,795 |
| 2022 | $5,749,000 | $1,304,000 | $7,053,000 | $81,533 |
| 2021 | $4,809,000 | $1,308,000 | $6,117,000 | $70,590 |
| 2020 | $4,670,000 | $1,290,000 | $5,960,000 | $65,560 |
| 2019 | $4,578,000 | $956,000 | $5,534,000 | $64,582 |
| 2018 | $1,221,000 | $909,000 | $2,130,000 | $25,880 |
| 2016 | $1,345,000 | $834,000 | $2,179,000 | $27,368 |
| 2015 | — | $812,000 | $812,000 | $10,475 |
| 2014 | — | $754,000 | $754,000 | $10,179 |
| 2006 | — | $848,000 | $848,000 | $8,828 |
| 2005 | — | $785,000 | $785,000 | $8,392 |
| 2004 | — | $785,000 | $785,000 | $8,407 |
| 2003 | — | $750,000 | $750,000 | $8,085 |
Property facts
Year built
2013
Property type
single_family
Stories
—
Beds
4
Baths
6
Living area
7,024 sqft
Lot size
85,378 sqft
ZIP code
02478
City
Belmont
Street
Sumner Ln
Coordinates
42.39920, -71.17897
Comparable properties nearby
Frequently asked questions
When did 9 Sumner Ln last sell?
No public-record sale is on file for 9 Sumner Ln.
What is the current tax assessment for 9 Sumner Ln?
The most recent total assessment for 9 Sumner Ln (year 2025) is $10,652,000 with $121,326 in property tax.
When was 9 Sumner Ln built?
9 Sumner Ln was built in 2013.
How does 9 Sumner Ln compare to others on Sumner Ln?
We track 1 other property on Sumner Ln. Browse the list under "Other properties on Sumner Ln" to compare beds, baths, and sale history.
What are the property facts for 9 Sumner Ln?
9 Sumner Ln is a 4 bed, 6 bath, 7,024 sqft, 85,378 sqft lot single_family.
Is 9 Sumner Ln a flip candidate?
No — 9 Sumner Ln does not appear in our flips dataset.
Is 9 Sumner Ln a tax-appeal candidate?
No — 9 Sumner Ln is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-2.9%
Implied 1-yr
-11.6%
2026 Q2
$1.2M
2026 Q3
$1.16M
ZIP 02478 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Sumner Ln