870 South St
Boston, MA 02131
2 bd 2 ba 987 sqft Built 1910 condos
Most recent sale
$685,000
Apr 7, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Apr 29, 2026 | Listed | $675,000 | MLSPIN |
| Apr 7, 2022 | Sold | $685,000 | MLS #72942708 |
| Feb 15, 2022 | Listed | $669,900 | MLS #72942708 |
| Jan 10, 2018 | Listing removed | $3,000 | MLSPIN |
| Nov 7, 2017 | Price changed for rent | $3,000 | MLSPIN |
| Oct 24, 2017 | Listed for rent | $3,400 | MLSPIN |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $647,900 | — | $647,900 | $7,503 |
| 2024 | $608,200 | — | $608,200 | $6,629 |
| 2023 | $596,200 | — | $596,200 | $6,403 |
Property facts
Year built
1910
Property type
condos
Stories
1
Beds
2
Baths
2
Living area
987 sqft
Lot size
—
ZIP code
02131
City
Boston
Street
South St
Coordinates
42.28857, -71.13375
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
$2,862
Gross rental yield
5.01%
Implied cap rate
3.26%
Trend-extrapolated value
—
Frequently asked questions
When did 870 South St last sell?
870 South St most recently sold on Apr 7, 2022 for $685,000.
What is the current tax assessment for 870 South St?
The most recent total assessment for 870 South St (year 2025) is $647,900 with $7,503 in property tax.
How does 870 South St's assessment compare to its last sale price?
The current assessment is 5.4% below the last sale price of $685,000.
When was 870 South St built?
870 South St was built in 1910.
How does 870 South St compare to others on South St?
We track 8 other properties on South St. Browse the list under "Other properties on South St" to compare beds, baths, and sale history.
What are the property facts for 870 South St?
870 South St is a 2 bed, 2 bath, 987 sqft condos.
Is 870 South St a flip candidate?
No — 870 South St does not appear in our flips dataset.
Is 870 South St a tax-appeal candidate?
No — 870 South 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
+2.8%
Implied 1-yr
+11.2%
2026 Q3
$948.7K
2026 Q4
$971.2K
ZIP 02131 — Median Price History + Forecast
Explore nearby
Geography
Other properties on South St