21 Foster St
Arlington, MA 02474
3 bd 2 ba 2,408 sqft Built 1921 condos
Most recent sale
$1,250,000
Mar 25, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Mar 25, 2022 | Sold | $1,250,000 | MLS #72940680 |
| Feb 8, 2022 | Listed | $1,250,000 | MLS #72940680 |
| Apr 22, 2019 | Sold | $882,500 | MLS #72462175 |
| Mar 7, 2019 | Listed | $859,000 | MLS #72462175 |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $1,070,200 | — | $1,070,200 | $11,526 |
| 2024 | $1,043,100 | — | $1,043,100 | $11,046 |
| 2023 | $903,500 | — | $903,500 | $10,128 |
| 2022 | $877,500 | — | $877,500 | $10,021 |
| 2021 | $851,500 | — | $851,500 | $9,656 |
Property facts
Year built
1921
Property type
condos
Stories
—
Beds
3
Baths
2
Living area
2,408 sqft
Lot size
—
ZIP code
02474
City
Arlington
Street
Foster St
Coordinates
42.40994, -71.14633
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
$6,983
Gross rental yield
6.70%
Implied cap rate
4.36%
Trend-extrapolated value
—
Frequently asked questions
When did 21 Foster St last sell?
21 Foster St most recently sold on Mar 25, 2022 for $1,250,000.
What is the current tax assessment for 21 Foster St?
The most recent total assessment for 21 Foster St (year 2025) is $1,070,200 with $11,526 in property tax.
How does 21 Foster St's assessment compare to its last sale price?
The current assessment is 14.4% below the last sale price of $1,250,000.
When was 21 Foster St built?
21 Foster St was built in 1921.
How does 21 Foster St compare to others on Foster St?
We track 8 other properties on Foster St. Browse the list under "Other properties on Foster St" to compare beds, baths, and sale history.
What are the property facts for 21 Foster St?
21 Foster St is a 3 bed, 2 bath, 2,408 sqft condos.
Is 21 Foster St a flip candidate?
No — 21 Foster St does not appear in our flips dataset.
Is 21 Foster St a tax-appeal candidate?
No — 21 Foster 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
+0.5%
Implied 1-yr
+1.8%
2026 Q3
$1.16M
2026 Q4
$1.17M
ZIP 02474 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Foster St