409 Commonwealth Ave, Boston, MA Property Records

Suffolk County and Boston City property records for 31 units in 409 Commonwealth Ave, Boston, MA · Last verified October 2026

409 Commonwealth Ave Highlights

Properties 31
Median Sale Price $4,350,000
Deeds and Mortgages on File 9
Median Price per Sqft $1,361
Owner Occupied 26%
Median Annual Tax Bill $631
Median Year Built 1899
Median Ownership Tenure 5 years

Properties on 409 Commonwealth Ave

Address Details Last Sale Tax Bill Records Owner

409 Commonwealth Ave

4 bd · 4 ba · 3,725 sqft built 1899 · 0.085 acres $5,425,000 Sep 2023 $79,044 2025 Assessor + 1 Document Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

409, #PS1 Commonwealth Ave

0.277 acres $631 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS2 Commonwealth Ave

0.277 acres $631 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS3 Commonwealth Ave

0.277 acres $631 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS4 Commonwealth Ave

0.277 acres $631 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS5 Commonwealth Ave

0.277 acres $631 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS6 Commonwealth Ave

0.277 acres $631 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS7 Commonwealth Ave

0.277 acres $631 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS8 Commonwealth Ave

0.277 acres $631 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS9 Commonwealth Ave

0.277 acres $631 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS10 Commonwealth Ave

0.277 acres $631 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS11 Commonwealth Ave

0.277 acres $790 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS12 Commonwealth Ave

0.277 acres $790 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS13 Commonwealth Ave

0.277 acres $790 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS14 Commonwealth Ave

0.277 acres $631 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS15 Commonwealth Ave

0.277 acres $631 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS16 Commonwealth Ave

0.277 acres $631 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS17 Commonwealth Ave

0.277 acres $631 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS18 Commonwealth Ave

0.277 acres $631 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS19 Commonwealth Ave

0.277 acres $631 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, #PS20 Commonwealth Ave

0.277 acres $790 2025 Assessor Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, Unit A Commonwealth Ave

4 bd · 3.5 ba · 3,780 sqft built 1899 · 0.086 acres $74,587 2025 Assessor + 2 Documents Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

409, Unit B Commonwealth Ave

4 bd · 4.5 ba · 4,600 sqft built 1899 · 0.105 acres $6,150,000 Jun 2026 $81,391 2025 Assessor + 2 Documents Updated Sep 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

409, Unit C Commonwealth Ave

4 bd · 4.5 ba · 4,160 sqft built 1899 · 0.095 acres — Apr 2014 $91,386 2025 Assessor Updated Apr 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

409, Unit D Commonwealth Ave

4 bd · 4.5 ba · 3,787 sqft built 1899 · 0.086 acres $3,725,000 Dec 2012 $74,950 2025 Assessor Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

409, Unit F Commonwealth Ave

3 bd · 3.5 ba · 3,625 sqft built 1899 · 0.083 acres $4,000,000 Apr 2015 $58,582 2025 Assessor Updated Jul 2026 Owner on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

409, Unit G Commonwealth Ave

2 bd · 2.5 ba · 2,189 sqft built 1899 · 0.05 acres $39,760 2025 Assessor Updated Jul 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, Unit H Commonwealth Ave

4 bd · 4.5 ba · 4,306 sqft built 1899 · 0.098 acres $98,284 2025 Assessor + 2 Documents Updated Apr 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, Unit I Commonwealth Ave

3 bd · 2.5 ba · 2,611 sqft built 1899 · 0.059 acres $5,475,000 Jun 2021 $49,012 2025 Assessor + 2 Documents Updated Jul 2026 Owner on File
Address Details Last Sale Tax Bill Records Owner

409, Unit K Commonwealth Ave

3 bd · 2.5 ba · 3,003 sqft built 1899 · 0.068 acres $4,350,000 Jun 2024 $36,375 2025 Assessor Updated Jul 2026 2 Owners on File Owner Occupied
Address Details Last Sale Tax Bill Records Owner

409, Unit L Commonwealth Ave

3 bd · 3.5 ba · 3,012 sqft built 1899 · 0.069 acres $4,100,000 Oct 2015 $51,159 2025 Assessor Updated Oct 2026 Owner on File Owner Occupied