4 Monument Sq
Boston, MA 02129
1 bd 1 ba 1,178 sqft Built 1863 condos
Most recent sale
$1,105,000
May 16, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| May 16, 2022 | Sold | $1,105,000 | MLS #72959116 |
| Mar 29, 2022 | Listed | $1,050,000 | MLS #72959116 |
| Oct 23, 1987 | Sold | $225,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $1,121,700 | — | $1,121,700 | $12,989 |
| 2024 | $1,078,200 | — | $1,078,200 | $11,752 |
| 2023 | $1,026,000 | — | $1,026,000 | $11,019 |
| 2022 | $994,000 | — | $994,000 | $10,815 |
| 2021 | $974,500 | — | $974,500 | $10,398 |
| 2020 | $969,000 | — | $969,000 | $10,233 |
| 2019 | $905,200 | — | $905,200 | $9,541 |
| 2018 | $862,200 | — | $862,200 | $9,036 |
| 2017 | $836,700 | — | $836,700 | $8,861 |
| 2016 | $796,800 | — | $796,800 | $8,765 |
| 2015 | $755,100 | — | $755,100 | $9,144 |
| 2014 | $672,400 | — | $672,400 | $8,459 |
| 2006 | $555,800 | — | $555,800 | $6,180 |
| 2005 | $484,000 | — | $484,000 | $5,193 |
| 2004 | $484,000 | — | $484,000 | $4,913 |
Property facts
Year built
1863
Property type
condos
Stories
1
Beds
1
Baths
1
Living area
1,178 sqft
Lot size
—
ZIP code
02129
City
Boston
Street
Monument Sq
Coordinates
42.37557, -71.06002
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
$3,416
Gross rental yield
3.71%
Implied cap rate
2.41%
Trend-extrapolated value
—
Frequently asked questions
When did 4 Monument Sq last sell?
4 Monument Sq most recently sold on May 16, 2022 for $1,105,000.
What is the current tax assessment for 4 Monument Sq?
The most recent total assessment for 4 Monument Sq (year 2025) is $1,121,700 with $12,989 in property tax.
How does 4 Monument Sq's assessment compare to its last sale price?
The current assessment is 1.5% above the last sale price of $1,105,000.
When was 4 Monument Sq built?
4 Monument Sq was built in 1863.
How does 4 Monument Sq compare to others on Monument Sq?
We track 8 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 4 Monument Sq?
4 Monument Sq is a 1 bed, 1 bath, 1,178 sqft condos.
Is 4 Monument Sq a flip candidate?
No — 4 Monument Sq does not appear in our flips dataset.
Is 4 Monument Sq a tax-appeal candidate?
No — 4 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
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Geography
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