18 Porter St
Somerville, MA 02143
3 bd 2 ba 1,472 sqft Built 1890 Lot 2,800 sqft condos
Most recent sale
$1,015,000
Apr 11, 2023
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Apr 11, 2023 | Sold | $1,015,000 | MLSPIN |
| Aug 29, 2013 | Sold | $600,000 | MLSPIN |
| Jul 31, 2012 | Sold | $600,000 | Public Record |
| Jun 6, 2012 | Relisted | $609,900 | MLSPIN |
| May 28, 2012 | Listing removed | $609,900 | MLSPIN |
| May 1, 2012 | Listed | $609,900 | MLSPIN |
| Apr 23, 2012 | Listing removed | $609,900 | MLSPIN |
| Apr 9, 2012 | Price changed | $609,900 | MLSPIN |
| Apr 6, 2012 | Price changed | $610,900 | MLSPIN |
| Mar 13, 2012 | Price changed | $614,900 | MLSPIN |
| Jan 5, 2012 | Listed | $629,900 | MLSPIN |
| Mar 2, 1999 | Sold | $355,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $995,100 | — | $995,100 | $10,857 |
| 2024 | $952,800 | — | $952,800 | $10,023 |
| 2023 | $940,900 | — | $940,900 | $9,729 |
| 2022 | $913,800 | — | $913,800 | $9,302 |
| 2021 | $895,100 | — | $895,100 | $9,121 |
| 2020 | $876,500 | — | $876,500 | $8,844 |
| 2019 | $795,200 | — | $795,200 | $8,556 |
| 2018 | $767,200 | — | $767,200 | $8,677 |
| 2016 | $659,300 | — | $659,300 | $8,261 |
| 2015 | $618,400 | — | $618,400 | $7,798 |
| 2014 | $565,500 | — | $565,500 | $7,159 |
| 2006 | $262,800 | $281,500 | $544,300 | $5,731 |
| 2005 | $253,100 | $239,700 | $492,800 | $5,298 |
| 2004 | $229,900 | $228,100 | $458,000 | $5,116 |
| 2003 | $187,000 | $226,700 | $413,700 | $5,155 |
Property facts
Year built
1890
Property type
condos
Stories
2
Beds
3
Baths
2
Living area
1,472 sqft
Lot size
2,800 sqft
ZIP code
02143
City
Somerville
Street
Porter St
Coordinates
42.38704, -71.11341
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
$4,269
Gross rental yield
5.05%
Implied cap rate
3.28%
Trend-extrapolated value
—
Frequently asked questions
When did 18 Porter St last sell?
18 Porter St most recently sold on Apr 11, 2023 for $1,015,000.
What is the current tax assessment for 18 Porter St?
The most recent total assessment for 18 Porter St (year 2025) is $995,100 with $10,857 in property tax.
How does 18 Porter St's assessment compare to its last sale price?
The current assessment is 2.0% below the last sale price of $1,015,000.
When was 18 Porter St built?
18 Porter St was built in 1890.
How does 18 Porter St compare to others on Porter St?
We track 8 other properties on Porter St. Browse the list under "Other properties on Porter St" to compare beds, baths, and sale history.
What are the property facts for 18 Porter St?
18 Porter St is a 3 bed, 2 bath, 1,472 sqft, 2,800 sqft lot condos.
Is 18 Porter St a flip candidate?
No — 18 Porter St does not appear in our flips dataset.
Is 18 Porter St a tax-appeal candidate?
No — 18 Porter 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
+1.0%
Implied 1-yr
+4.2%
2026 Q3
$1.2M
2026 Q4
$1.22M
ZIP 02143 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Porter St