Keswick St, Boston, MA Property Records

Suffolk County and Boston City property records for 16 addresses on Keswick St, Boston, MA · Last verified October 2026

Keswick St Highlights

Properties 32
Median Sale Price $850,000
Deeds and Mortgages on File 37
Median Price per Sqft $914
Owner Occupied 19%
Median Annual Tax Bill $10,373
Median Year Built 1901
Median Ownership Tenure 6 years

Properties on Keswick St

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

5 Keswick St

3 units · Built 1901 · 1,039 sq ft

Last Sale Median Tax Bill Median Sale    
$898,000Nov 2020 $10,3732025 $635,0003 units    

5 Keswick St

2,128 sqft · built 1999 · 0.048 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on File AssessorUpdated Apr 2026

6 Keswick St

4,470 sqft · built 1899 · 0.059 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,600,000Apr 2026 $20,1582025 Amount on File Jun 2005 Owner on File Assessor + 3 DocumentsUpdated May 2026

7 Keswick St

3 bd · 3.5 ba · 2,174 sqft · built 1900 · 0.049 acres

Last Sale Tax Bill Prior Sale Owner Records
$505,000May 2021 Amount on File May 2021 Owner on File Assessor + 8 DocumentsUpdated Sep 2026

7 Keswick St

5 units · Built 1900 · 559 sq ft

Last Sale Median Tax Bill Median Sale    
$12,7262025    

8 Keswick St

3,822 sqft · built 1900 · 0.059 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,600,000Apr 2026 $19,6642025 Amount on File Nov 2021 Owner on File Assessor + 2 DocumentsUpdated May 2026

9 Keswick St

4 bd · 3.5 ba · 4,167 sqft · built 1900 · 0.049 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,275,000Dec 2020 $34,5762025 —Dec 2007 Owner on File Assessor + 2 DocumentsUpdated Sep 2026

10 Keswick St

4 bd · 3.5 ba · 3,972 sqft · built 1900 · 0.059 acres

Last Sale Tax Bill Prior Sale Owner Records
$31,4072025 2 Owners on File Owner Occupied AssessorUpdated Apr 2026

11 Keswick St

3,840 sqft · built 1910 · 0.049 acres

Last Sale Tax Bill Prior Sale Owner Records
$710,000Dec 2004 $11,6842025 Owner on File Assessor + 1 DocumentUpdated Apr 2026

12 Keswick St

2,609 sqft · built 1999 · 0.059 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on File AssessorUpdated Apr 2026

12 Keswick St

4 units · Built 1900 · 819 sq ft

Last Sale Median Tax Bill Median Sale    
$850,000Jun 2024 $9,9692025 $850,0004 units    

14 Keswick St

3,831 sqft · built 1900 · 0.059 acres

Last Sale Tax Bill Prior Sale Owner Records
$19,6082025 Owner on File AssessorUpdated Apr 2026

15 Keswick St

2,176 sqft · built 1999 · 0.049 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on File AssessorUpdated Apr 2026

15 Keswick St

8 units · Built 1910 · 292 sq ft

Last Sale Median Tax Bill Median Sale    
$557,000May 2022 $5,3452025 $380,0008 units    

16 Keswick St

5 bd · 3 ba · 4,242 sqft · built 1900 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$27,3952025 2 Owners on File Owner Occupied AssessorUpdated Oct 2026

17 Keswick St

5,148 sqft · built 1910 · 0.057 acres

Last Sale Tax Bill Prior Sale Owner Records
$675,000Dec 2004 $11,6842025 Owner on File AssessorUpdated Apr 2026

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