445 Main St
+19.1%vs the Charlestown ZIP median sale $/ft² ($844)
Sales Performance
4 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.
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 445 Main St
How many units are in 445 Main St, Charlestown, MA?
445 Main St, Charlestown, MA has 3 residential units across built in 1875, according to county assessor records.
What is a unit at 445 Main St, Charlestown, MA worth?
The median TopHap Estimate across the 3 units at 445 Main St, Charlestown, MA is $572,945. That works out to $1005 per square foot. Units run from 527 to 1,069 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 445 Main St, Charlestown, MA expensive for Charlestown?
Units at 445 Main St, Charlestown, MA carry a median of $1005 per square foot, 19% above the Charlestown median of $844 per square foot.
How often do units sell at 445 Main St, Charlestown, MA?
0 units at 445 Main St, Charlestown, MA sold in the last 12 months, out of 4 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$810K2 bd · 2 ba · 972 ft² · Sold $815K · Sep 2026
- 419 Main St$2.3M3 bd · 3.5 ba · 2,772 ft² · Sold $2.8M · Aug 2026
- 446 Main St$915K2 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$687K1 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$649K1 bd · 1 ba · 821 ft² · Sold $280K · Dec 2025
- 261 Main St # 3$493K2 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$1.7M3 bd · 2.5 ba · 1,604 ft² · Sold $1.7M · Aug 2025
- 397 Main St # 4$616K1 bd · 1 ba · 810 ft² · Sold $600K · Aug 2025
- 356 Main St # G3$468K1 bd · 1 ba · 719 ft² · Sold $450K · Jul 2025
Closest homes
- 445 Main St$573K0 ft · 1 bd · 1 ba · 570 ft² · Sold $549K · Apr 2019
- 445 Main St$549K0 ft · 1 bd · 1 ba · 527 ft² · Sold $551K · Jul 2018
- 443 Main St$531K21 ft · 1 bd · 1 ba · 640 ft² · Sold $480K · Aug 2024
- 443 Main St$937K21 ft · 2 bd · 2 ba · 1,350 ft² · Sold $805K · Oct 2020
- 443 Main St$758K21 ft · 2 bd · 1 ba · 850 ft² · Sold $540K · Apr 2017
- 447 Main St$1.8M31 ft · 3 bd · 3 ba · 2,098 ft² · Sold $899K · Jun 2013
- 449 Main St$1.1M52 ft · 3 bd · 2.5 ba · 2,075 ft² · Sold $150K · May 2003
- 441 Main St$1.6M56 ft · 3 bd · 2.5 ba · 2,379 ft² · Sold $740K · Nov 2014
More homes in Charlestown 02129
- 20 Harvard St$1.2M2 bd · 2.5 ba · 1,370 ft² · Sold $875K · Oct 2026
- 12 Washington St$599K2 bd · 1 ba · 622 ft² · Sold $599K · Oct 2026
- 106 13th St$669K2 bd · 1.5 ba · 1,013 ft² · Sold $669K · Oct 2026
- 26 Mount Vernon St$1.8M2 bd · 1.5 ba · 1,735 ft² · Sold $1.6M · Sep 2026
- 106 13th St$499K1 bd · 1 ba · 701 ft² · Sold $470K · Sep 2026
- 42 8th St$799K2 bd · 2 ba · 1,013 ft² · Sold $775K · Sep 2026
- 284 Bunker Hill St$1.6M3 bd · 2 ba · 1,389 ft² · Sold $1.5M · Sep 2026
- 68 Baldwin St$900K2 bd · 1.5 ba · 1,047 ft² · Sold $910K · Sep 2026
- 11 Lawnwood Pl$2.5M4 bd · 4.5 ba · 2,180 ft² · Sold $2.3M · Sep 2026
- 30 Tremont St5 bd · 3 ba · 2,981 ft² · Sold $1.8M · Sep 2026
- 20 Lawrence St$810K2 bd · 2 ba · 1,155 ft² · Sold $810K · Sep 2026
- 16 Trenton St$699K2 bd · 1 ba · 703 ft² · Sold $690K · Sep 2026
Assigned schools
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