9 Mountain Ave
Somerville, MA 02143
3 bd 1 ba 1,115 sqft Built 1888 Lot 2,614 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 | $452,400 | $523,400 | $975,800 | $10,646 |
| 2024 | $444,200 | $523,400 | $967,600 | $10,179 |
| 2023 | $410,100 | $523,400 | $933,500 | $9,652 |
| 2022 | $389,600 | $498,500 | $888,100 | $9,041 |
| 2021 | $360,900 | $474,700 | $835,600 | $8,515 |
| 2020 | $334,900 | $456,500 | $791,400 | $7,985 |
| 2019 | $237,600 | $396,900 | $634,500 | $6,827 |
| 2018 | $186,000 | $360,800 | $546,800 | $6,184 |
| 2016 | $151,900 | $311,300 | $463,200 | $5,804 |
| 2015 | $149,800 | $309,700 | $459,500 | $5,794 |
| 2014 | $138,500 | $274,600 | $413,100 | $5,230 |
| 2006 | $123,100 | $270,200 | $393,300 | $4,141 |
| 2005 | $121,300 | $230,200 | $351,500 | $3,779 |
| 2004 | $99,700 | $219,000 | $318,700 | $3,560 |
| 2003 | $79,000 | $217,700 | $296,700 | $3,697 |
Property facts
Year built
1888
Property type
single_family
Stories
—
Beds
3
Baths
1
Living area
1,115 sqft
Lot size
2,614 sqft
ZIP code
02143
City
Somerville
Street
Mountain Ave
Coordinates
42.39041, -71.11144
Comparable properties nearby
Frequently asked questions
When did 9 Mountain Ave last sell?
No public-record sale is on file for 9 Mountain Ave.
What is the current tax assessment for 9 Mountain Ave?
The most recent total assessment for 9 Mountain Ave (year 2025) is $975,800 with $10,646 in property tax.
When was 9 Mountain Ave built?
9 Mountain Ave was built in 1888.
How does 9 Mountain Ave compare to others on Mountain Ave?
We do not currently track other properties on Mountain Ave.
What are the property facts for 9 Mountain Ave?
9 Mountain Ave is a 3 bed, 1 bath, 1,115 sqft, 2,614 sqft lot single_family.
Is 9 Mountain Ave a flip candidate?
No — 9 Mountain Ave does not appear in our flips dataset.
Is 9 Mountain Ave a tax-appeal candidate?
No — 9 Mountain 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
+1.0%
Implied 1-yr
+4.2%
2026 Q3
$1.2M
2026 Q4
$1.22M
ZIP 02143 — Median Price History + Forecast
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Geography