15 Monument Sq
Charlestown, MA 02129
2 bd 1 ba 910 sqft Built 1890 condos
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 | $904,700 | — | $904,700 | $10,476 |
| 2024 | $820,800 | — | $820,800 | $8,947 |
| 2023 | $781,100 | — | $781,100 | $8,389 |
| 2022 | $750,900 | — | $750,900 | $8,170 |
| 2021 | $736,200 | — | $736,200 | $7,855 |
| 2020 | $725,400 | — | $725,400 | $7,660 |
| 2019 | $676,200 | — | $676,200 | $7,127 |
| 2018 | $611,400 | — | $611,400 | $6,407 |
| 2017 | $593,400 | — | $593,400 | $6,284 |
| 2016 | $565,100 | — | $565,100 | $6,216 |
| 2015 | $494,400 | — | $494,400 | $5,987 |
| 2014 | $440,200 | — | $440,200 | $5,538 |
| 2006 | $415,500 | — | $415,500 | $4,620 |
| 2005 | $411,800 | — | $411,800 | $4,419 |
| 2004 | $383,500 | — | $383,500 | $3,893 |
| 2003 | $333,300 | — | $333,300 | $3,763 |
Property facts
Year built
1890
Property type
condos
Stories
1
Beds
2
Baths
1
Living area
910 sqft
Lot size
—
ZIP code
02129
City
Charlestown
Street
Monument Sq
Coordinates
42.37689, -71.05973
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 15 Monument Sq last sell?
No public-record sale is on file for 15 Monument Sq.
What is the current tax assessment for 15 Monument Sq?
The most recent total assessment for 15 Monument Sq (year 2025) is $904,700 with $10,476 in property tax.
When was 15 Monument Sq built?
15 Monument Sq was built in 1890.
How does 15 Monument Sq compare to others on Monument Sq?
We track 4 other properties on Monument Sq. Browse the list under "Other properties on Monument Sq" to compare beds, baths, and sale history.
What are the property facts for 15 Monument Sq?
15 Monument Sq is a 2 bed, 1 bath, 910 sqft condos.
Is 15 Monument Sq a flip candidate?
No — 15 Monument Sq does not appear in our flips dataset.
Is 15 Monument Sq a tax-appeal candidate?
No — 15 Monument Sq is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-2.0%
Implied 1-yr
-8.2%
2026 Q3
$977.9K
2026 Q4
$954.8K
ZIP 02129 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Monument Sq