Castle St, Waltham, MA Property Records

Middlesex County and Waltham City property records for 5 addresses on Castle St, Waltham, MA · Last verified July 2026

Castle St Highlights

Properties 5
Median Sale Price $312,500
Deeds and Mortgages on File 2
Median Price per Sqft $169
Owner Occupied 60%
Median Annual Tax Bill $8,711
Median Year Built 1910
Median Ownership Tenure 20 years

Properties on Castle St

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

9 Castle St, #11

4 bd · 2.5 ba · 2,406 sqft · built 1880 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$455,000Jan 2016 $8,7112025 Amount on Record Dec 1997 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

13 Castle St

3 bd · 1 ba · 1,197 sqft · built 1910 · 0.057 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,5902025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

15 Castle St

2 bd · 1 ba · 1,843 sqft · built 1910 · 0.057 acres

Last Sale Tax Bill Prior Sale Owner Records
$312,500May 2006 $5,7672025 Amount on Record May 2004 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

17 Castle St

8 bd · 4 ba · 4,314 sqft · built 1930 · 0.109 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,5422025 2 Owners on Record AssessorUpdated Jul 2026

28 Castle St

10 bd · 4 ba · 4,368 sqft · built 1930 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$54,000May 1975 $13,0342025 2 Owners on Record Assessor + 1 DocumentUpdated Jul 2026

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