13 Union St
Charlestown, MA 02129
2 bd 3 ba 1,750 sqft Built 1828 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 | $1,349,200 | — | $1,349,200 | $15,624 |
| 2024 | $1,525,700 | — | $1,525,700 | $16,630 |
| 2023 | $1,451,800 | — | $1,451,800 | $15,592 |
| 2022 | $1,395,700 | — | $1,395,700 | $15,185 |
| 2021 | $1,290,800 | — | $1,290,800 | $13,773 |
| 2020 | $1,285,600 | — | $1,285,600 | $13,576 |
| 2019 | $1,201,000 | — | $1,201,000 | $12,659 |
| 2018 | $1,143,900 | — | $1,143,900 | $11,988 |
| 2017 | $1,110,100 | — | $1,110,100 | $11,756 |
| 2016 | $1,108,200 | — | $1,108,200 | $12,190 |
| 2015 | $975,400 | — | $975,400 | $11,812 |
| 2014 | $868,500 | — | $868,500 | $10,926 |
| 2006 | $741,900 | — | $741,900 | $8,250 |
| 2005 | $688,200 | — | $688,200 | $7,384 |
| 2004 | $688,200 | — | $688,200 | $6,985 |
| 2003 | $619,700 | — | $619,700 | $6,996 |
Property facts
Year built
1828
Property type
condos
Stories
2
Beds
2
Baths
3
Living area
1,750 sqft
Lot size
—
ZIP code
02129
City
Charlestown
Street
Union St
Coordinates
42.37426, -71.06419
Comparable properties nearby
Frequently asked questions
When did 13 Union St last sell?
No public-record sale is on file for 13 Union St.
What is the current tax assessment for 13 Union St?
The most recent total assessment for 13 Union St (year 2025) is $1,349,200 with $15,624 in property tax.
When was 13 Union St built?
13 Union St was built in 1828.
How does 13 Union St compare to others on Union St?
We do not currently track other properties on Union St.
What are the property facts for 13 Union St?
13 Union St is a 2 bed, 3 bath, 1,750 sqft condos.
Is 13 Union St a flip candidate?
No — 13 Union St does not appear in our flips dataset.
Is 13 Union St a tax-appeal candidate?
No — 13 Union 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
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Geography