21 Cross St
Boston, MA 02129
4 bd 3 ba 2,400 sqft Built 1865 Lot 983 sqft single_family
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 | $1,973,000 | $490,600 | $2,463,600 | $28,528 |
| 2024 | $1,845,700 | $380,800 | $2,226,500 | $24,269 |
| 2023 | $1,709,000 | $352,600 | $2,061,600 | $22,142 |
| 2022 | $1,145,200 | $320,500 | $1,465,700 | $15,947 |
| 2021 | $1,145,200 | $320,500 | $1,465,700 | $15,639 |
| 2020 | $1,031,400 | $298,300 | $1,329,700 | $14,042 |
| 2019 | $1,064,800 | $239,200 | $1,304,000 | $13,744 |
| 2018 | $979,500 | $239,200 | $1,218,700 | $12,772 |
| 2017 | $944,400 | $239,200 | $1,183,600 | $12,534 |
| 2016 | $827,100 | $239,200 | $1,066,300 | $11,729 |
| 2015 | $643,100 | $245,900 | $889,000 | $10,766 |
| 2014 | $523,300 | $245,900 | $769,200 | $9,677 |
| 2006 | $483,800 | $130,400 | $614,200 | $6,830 |
| 2005 | $476,300 | $130,400 | $606,700 | $6,510 |
| 2004 | $442,000 | $130,400 | $572,400 | $5,810 |
Property facts
Year built
1865
Property type
single_family
Stories
—
Beds
4
Baths
3
Living area
2,400 sqft
Lot size
983 sqft
ZIP code
02129
City
Boston
Street
Cross St
Coordinates
42.37689, -71.06238
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 21 Cross St last sell?
No public-record sale is on file for 21 Cross St.
What is the current tax assessment for 21 Cross St?
The most recent total assessment for 21 Cross St (year 2025) is $2,463,600 with $28,528 in property tax.
When was 21 Cross St built?
21 Cross St was built in 1865.
How does 21 Cross St compare to others on Cross St?
We track 6 other properties on Cross St. Browse the list under "Other properties on Cross St" to compare beds, baths, and sale history.
What are the property facts for 21 Cross St?
21 Cross St is a 4 bed, 3 bath, 2,400 sqft, 983 sqft lot single_family.
Is 21 Cross St a flip candidate?
No — 21 Cross St does not appear in our flips dataset.
Is 21 Cross St a tax-appeal candidate?
No — 21 Cross 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
-2.0%
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 Cross St