399 Main St
-6.5%vs the Charlestown ZIP median sale $/ft² ($997)
Sales Performance
3 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.
Climate Risk
Scores 0–100; higher = greater projected risk.
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 399 Main St
How many units are in 399 Main St, Charlestown, MA?
399 Main St, Charlestown, MA has 3 residential units across built in 1865, according to county assessor records.
What is a unit at 399 Main St, Charlestown, MA worth?
The median TopHap Estimate across the 3 units at 399 Main St, Charlestown, MA is $871,685. That works out to $932 per square foot. Units run from 790 to 1,439 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 399 Main St, Charlestown, MA expensive for Charlestown?
Units at 399 Main St, Charlestown, MA carry a median of $932 per square foot, 6% below the Charlestown median of $997 per square foot.
How often do units sell at 399 Main St, Charlestown, MA?
0 units at 399 Main St, Charlestown, MA sold in the last 12 months, out of 3 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.
More homes on Main St
- 253 Main St # 2$816K2 bd · 2 ba · 972 ft² · Sold $815K · Sep 2026
- 419 Main St$2.4M3 bd · 3.5 ba · 2,772 ft² · Sold $2.8M · Aug 2026
- 446 Main St$969K2 bd · 1 ba · 936 ft² · Sold $548K · Jun 2026
- 405 Main St3 bd · 3.5 ba · 3,171 ft² · Sold $1.3M · Jun 2026
- 435 Main St # R3$690K1 bd · 1 ba · 940 ft² · Sold $680K · Apr 2026
- 31 Main St # C$1.3M1 bd · 1 ba · 669 ft² · Sold $1.3M · Mar 2026
- 411 Main St # 1$648K1 bd · 1 ba · 821 ft² · Sold $280K · Dec 2025
- 261 Main St # 3$489K2 bd · 1 ba · 832 ft² · Sold $481K · Dec 2025
- 100 Main St # 5$1.3M2 bd · 2 ba · 1,425 ft² · Sold $1.3M · Nov 2025
- 413 Main St # 2$1.8M3 bd · 2.5 ba · 1,604 ft² · Sold $1.7M · Aug 2025
- 397 Main St # 4$621K1 bd · 1 ba · 810 ft² · Sold $600K · Aug 2025
- 356 Main St # G3$462K1 bd · 1 ba · 719 ft² · Sold $450K · Jul 2025
Closest homes
- 399 Main St$872K0 ft · 1 bd · 1 ba · 935 ft² · Sold $725K · Sep 2020
- 399 Main St$755K0 ft · 1 bd · 1 ba · 790 ft² · Sold $525K · Jul 2017
- 397 Main St$711K20 ft · 2 bd · 1 ba · 760 ft² · Sold $610K · Jan 2021
- 397 Main St$535K20 ft · 1 bd · 1 ba · 785 ft² · Sold $480K · May 2024
- 397 Main St$710K20 ft · 1 bd · 1 ba · 820 ft² · Sold $288K · Mar 2001
- 397 Main St$621K20 ft · 1 bd · 1 ba · 810 ft² · Sold $600K · Aug 2025
- 1 Auburn St54 ft · 6 bd · 3 ba · 4,390 ft² · Sold $1 · Jul 2009
- 401 Main St67 ft · 8 bd · 4.5 ba · 4,066 ft² · Sold $750K · Aug 2012
More homes in Charlestown 02129
- 63 Rutherford Ave6 bd · 6 ba · 5,131 ft² · Sold $6M · Oct 2026
- 4 Concord St$2.9M5 bd · 3.5 ba · 2,315 ft² · Sold $2.9M · Oct 2026
- 56 Park St$2M3 bd · 2.5 ba · 2,236 ft² · Sold $2.2M · Oct 2026
- 74 Washington St$999K2 bd · 2 ba · 1,335 ft² · Sold $965K · Oct 2026
- 21 Salem St$1.1M2 bd · 2 ba · 1,058 ft² · Sold $1.1M · Oct 2026
- 57 Bartlett St$769K2 bd · 1 ba · 785 ft² · Sold $735K · Oct 2026
- 47 Harvard St2 bd · 2.5 ba · 1,219 ft² · Sold $1.4M · Oct 2026
- 64 Constitution Rd$2M3 bd · 2.5 ba · 1,804 ft² · Sold $1.8M · Oct 2026
- 19 Parker St$767K2 bd · 2 ba · 1,002 ft² · Sold $720K · Oct 2026
- 35 Mystic St$679K1 bd · 1.5 ba · 780 ft² · Sold $679K · Oct 2026
- 33 Winthrop St$1.1M2 bd · 2 ba · 970 ft² · Sold $1.1M · Oct 2026
- 20 Harvard St$1.2M2 bd · 2.5 ba · 1,370 ft² · Sold $875K · Oct 2026
Assigned schools
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