Bay St, Cambridge, MA Property Records

Middlesex County and Cambridge City property records for 14 addresses on Bay St, Cambridge, MA · Last verified July 2026

Bay St Highlights

Properties 17
Median Sale Price $1,050,000
Deeds and Mortgages on File 14
Median Price per Sqft $506
Owner Occupied 24%
Median Annual Tax Bill $6,690
Median Year Built 1902
Median Ownership Tenure 13 years

Properties on Bay St

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

17 Bay St

4,183 sqft · built 1902 · 0.076 acres

Last Sale Tax Bill Prior Sale Owner Records
$14,6782025 2 Owners on Record AssessorUpdated Jul 2026

18A Bay St

2 bd · 1.5 ba · 1,162 sqft · built 1978 · 0.046 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,475,000Mar 2022 $7,3852025 Amount on Record Jun 2009 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

18B Bay St

2 bd · 1.5 ba · 1,300 sqft · built 1978 · 0.032 acres

Last Sale Tax Bill Prior Sale Owner Records
$306,600Jun 1999 $5,9852025 Amount on Record May 1996 2 Owners on Record AssessorUpdated Jul 2026

18C Bay St

2 bd · 1.5 ba · 1,300 sqft · built 1977 · 0.042 acres

Last Sale Tax Bill Prior Sale Owner Records
$570,000Aug 2005 $6,6902025 2 Owners on Record Assessor + 1 DocumentUpdated Jul 2026

18D Bay St

3 bd · 2.5 ba · 1,300 sqft · built 1978 · 0.042 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2017 $7,6352025 Amount on Record Jun 2005 2 Owners on Record Assessor + 1 DocumentUpdated Jul 2026

18E Bay St

3 bd · 1.5 ba · 1,300 sqft · built 1978 · 0.037 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,050,000Jan 2019 $6,0622025 2 Owners on Record Assessor + 1 DocumentUpdated Jul 2026

18F Bay St

2 bd · 1.5 ba · 1,300 sqft · built 1978 · 0.031 acres

Last Sale Tax Bill Prior Sale Owner Records
$190,000Nov 1986 $5,9512025 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

19 Bay St

6 bd · 3.5 ba · 2,772 sqft · built 1868 · 0.045 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,3632025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

21 Bay St

3 units · Built 1872 · 1,071 sq ft

Last Sale Median Tax Bill Median Sale    
$1,080,000May 2017 —— —3 units    

30 Bay St

3 bd · 2.5 ba · 1,871 sqft · built 1902 · 0.043 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,208,000Jul 2016 $13,8732025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

31 Bay St

3 bd · 2.5 ba · 1,480 sqft · built 1902 · 0.041 acres

Last Sale Tax Bill Prior Sale Owner Records
$749,000Mar 2013 $8,9082025 Amount on Record Aug 2004 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

32 Bay St

2 bd · 1 ba · 710 sqft · built 1886 · 0.045 acres

Last Sale Tax Bill Prior Sale Owner Records
$337,500Jun 2012 $4,0832025 Amount on Record Dec 1993 2 Owners on Record Assessor + 1 DocumentUpdated Jul 2026

33 Bay St

3,647 sqft · built 1885 · 0.042 acres

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

33 Bay St

2 units · Built 1885 · 1,000 sq ft

Last Sale Median Tax Bill Median Sale    
$432,000Aug 2012 —— —2 units    

Property Records in Nearby Streets