39 Union St
+11.4%vs the Charlestown ZIP median sale $/ft² ($844)
Sales Performance
2 arms-length sales on record for this building.
Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.
Ownership & Financing
Recent SalesThe latest recorded arms-length sales in the building, newest first.
Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.
Property Facts
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Boston School District
Neighborhood · ZIP 02129These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 39 Union St
How many units are in 39 Union St, Charlestown, MA?
39 Union St, Charlestown, MA has 3 residential units across built in 1899, according to county assessor records.
What is a unit at 39 Union St, Charlestown, MA worth?
The median TopHap Estimate across the 3 units at 39 Union St, Charlestown, MA is $1,675,168. That works out to $940 per square foot. Units run from 1,194 to 1,837 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 39 Union St, Charlestown, MA expensive for Charlestown?
Units at 39 Union St, Charlestown, MA carry a median of $940 per square foot, 11% above the Charlestown median of $844 per square foot.
How often do units sell at 39 Union St, Charlestown, MA?
0 units at 39 Union St, Charlestown, MA sold in the last 12 months, out of 2 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.
More homes on Union St
- 13 Union St # 1$1.8M3 bd · 2.5 ba · 1,875 ft² · Sold $1.7M · Aug 2024
- 13 Union St # 2$1.7M2 bd · 2.5 ba · 1,750 ft² · Sold $1.4M · Jul 2023
- 11 Union St # 2$1.1M2 bd · 2 ba · 1,100 ft² · Sold $995K · Feb 2023
- 16 Union St # 1$996K2 bd · 2 ba · 1,201 ft² · Sold $975K · Sep 2022
- 16 Union St # 2$745K2 bd · 1 ba · 760 ft² · Sold $635K · Mar 2022
- 23 Union St # 4$709K2 bd · 1 ba · 714 ft² · Sold $725K · Aug 2021
- 18 Union St # 2$707K1 bd · 1 ba · 776 ft² · Sold $689K · Aug 2021
- 56 Union St # 3$1.4M2 bd · 2 ba · 1,529 ft² · Sold $1.1M · Jul 2021
- 56 Union St # 1$1.4M3 bd · 2 ba · 1,869 ft² · Sold $999K · Jan 2021
- 56 Union St # 2$1.2M2 bd · 2 ba · 1,335 ft² · Sold $899K · Jul 2020
- 31 Union St # 2$1.2M3 bd · 2.5 ba · 1,239 ft² · Sold $930K · Jun 2020
- 39 Union St # 2$1.1M1 bd · 1.5 ba · 1,194 ft² · Sold $800K · Apr 2018
Closest homes
- 39 Union St$1.7M0 ft · 3 bd · 2.5 ba · 1,837 ft² · Sold $1.1M · Jul 2015
- 39 Union St$1.1M0 ft · 1 bd · 1.5 ba · 1,194 ft² · Sold $800K · Apr 2018
- 37 Union St23 ft · 7 bd · 4 ba · 4,062 ft²
- 59 1/2 Washington St50 ft · 5 bd · 2 ba · 3,030 ft² · Sold $1.6M · Nov 2025
- 35 Union St$4M46 ft · 5 bd · 4.5 ba · 4,241 ft² · Sold $1.5M · Sep 2011
- 57 Washington St$1.7M68 ft · 3 bd · 2 ba · 1,709 ft² · Sold $1.1M · Jun 2019
- 57 Washington St$1M68 ft · 2 bd · 2 ba · 1,041 ft² · Sold $795K · Jun 2017
- 63 Washington St$2.4M54 ft · 3 bd · 2.5 ba · 1,954 ft² · Sold $883K · Sep 2006
More homes in Charlestown 02129
- 377 Bunker Hill St$608K1 bd · 1 ba · 717 ft² · Sold $589K · Sep 2026
- 30 Monument Sq$825K1 bd · 1 ba · 885 ft² · Sold $825K · Sep 2026
- 21 Tremont St$635K1 bd · 1 ba · 681 ft² · Sold $575K · Sep 2026
- 92 Green St$550K1 bd · 1 ba · 702 ft² · Sold $550K · Sep 2026
- 30 Sackville St$855K2 bd · 2 ba · 937 ft² · Sold $855K · Sep 2026
- 27 Parker St$780K2 bd · 1.5 ba · 1,029 ft² · Sold $780K · Sep 2026
- 21 Prospect St$1M3 bd · 2 ba · 905 ft² · Sold $1M · Sep 2026
- 45 Baldwin St$666K1 bd · 1 ba · 769 ft² · Sold $550K · Aug 2026
- 5 Wallace Ct$3.9M4 bd · 5.5 ba · 3,233 ft² · Sold $3.9M · Aug 2026
- 106 13th St$696K2 bd · 2 ba · 978 ft² · Sold $695K · Aug 2026
- 89 School St$676K2 bd · 1 ba · 865 ft² · Sold $675K · Aug 2026
- 19 Salem St$637K1 bd · 1 ba · 745 ft² · Sold $635K · Aug 2026
Assigned schools
Explore the area
See this home in context
Open 39 Union St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.
Open in map