Oak St, Waltham, MA Property Records

Middlesex County and Waltham City property records for 40 addresses on Oak St, Waltham, MA · Last verified August 2026

Oak St Highlights

Properties 40
Median Sale Price $900,000
Deeds and Mortgages on File 63
Median Price per Sqft $341
Owner Occupied 48%
Median Annual Tax Bill $7,684
Median Year Built 1900
Median Ownership Tenure 10 years

Properties on Oak St

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

11 Oak St, #13

6 bd · 2.5 ba · 2,400 sqft · built 1880 · 0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$365,000Oct 2001 $7,9512025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

12 Oak St

4 bd · 2.5 ba · 2,872 sqft · built 1880 · 0.094 acres

Last Sale Tax Bill Prior Sale Owner Records
$495,000Nov 2003 $7,3922025 Amount on Record Dec 1994 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

12R Oak St

0.067 acres

Last Sale Tax Bill Prior Sale Owner Records
$1632025 1 Name on Record AssessorUpdated Jul 2026

15 Oak St, #17

6 bd · 4 ba · 3,357 sqft · built 1900 · 0.106 acres

Last Sale Tax Bill Prior Sale Owner Records
$700,000Jul 2017 $10,6102025 Amount on Record Oct 2016 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

16 Oak St, #18

5 bd · 3.5 ba · 2,672 sqft · built 1900 · 0.118 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,060,000Aug 2018 $8,6392025 Amount on Record Jul 2011 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

19 Oak St, #25

8 bd · 2.5 ba · 2,724 sqft · built 1830 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2013 $8,4102025 Amount on Record Apr 2008 2 Names on Record Owner Occupied AssessorUpdated Apr 2026

20 Oak St, #22

8 bd · 2.5 ba · 3,046 sqft · built 1900 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,000Mar 1999 $8,8862025 Amount on Record Mar 1995 2 Names on Record Assessor + 2 DocumentsUpdated May 2026

26 Oak St, #1

3 bd · 2.5 ba · 2,086 sqft · built 2009 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$390,000Jul 2011 $6,8662025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

26 Oak St, #2

3 bd · 2.5 ba · 2,086 sqft · built 2009 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$625,000Jul 2019 $6,8662025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

27 Oak St

3 bd · 2.5 ba · 1,960 sqft · built 1965 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,1392025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

28 Oak St, #30

8 bd · 2.5 ba · 2,100 sqft · built 1880 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$900,000Apr 2022 $9,1162025 Amount on Record Feb 2019 2 Names on Record Assessor + 4 DocumentsUpdated Aug 2026

31 Oak St, #1

4 bd · 3.5 ba · 4,951 sqft · built 2016 · 0.223 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,7522025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

31 Oak St, #2

4 bd · 3.5 ba · 4,951 sqft · built 2016 · 0.223 acres

Last Sale Tax Bill Prior Sale Owner Records
$885,000Jun 2017 $11,7522025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

32 Oak St

8 bd · 2.5 ba · 2,332 sqft · built 1910 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,0162025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

36 Oak St, #38

6 bd · 3.5 ba · 2,086 sqft · built 1880 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$548,500Feb 2018 $7,8492025 Amount on Record Feb 1998 1 Name on Record Assessor + 7 DocumentsUpdated Apr 2026
Last Sale Tax Bill Prior Sale Owner Records
$865,000Aug 2017 1 Name on Record AssessorUpdated Jun 2023

40 Oak St, #42

4 bd · 2.5 ba · 2,754 sqft · built 1900 · 0.066 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,1982025 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

41 Oak St, #1

2 bd · 1.5 ba · 1,079 sqft · built 2008 · 0.118 acres

Last Sale Tax Bill Prior Sale Owner Records
$367,100Oct 2013 $4,7522025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

41 Oak St, #2

2 bd · 1.5 ba · 1,079 sqft · built 2008 · 0.118 acres

Last Sale Tax Bill Prior Sale Owner Records
$660,000Jul 2025 $4,7522025 Amount on Record Sep 2013 2 Names on Record Assessor + 2 DocumentsUpdated Jul 2026

46 Oak St, #1

4 bd · 2 ba · 2,537 sqft · built 1880 · 0.154 acres

Last Sale Tax Bill Prior Sale Owner Records
$660,000Apr 2021 $6,8292025 2 Names on Record Assessor + 2 DocumentsUpdated Jul 2026

46 Oak St, #2

4 bd · 2 ba · 2,590 sqft · built 1880 · 0.154 acres

Last Sale Tax Bill Prior Sale Owner Records
$678,000Apr 2021 $6,9092025 2 Names on Record Assessor + 2 DocumentsUpdated Jul 2026

48 Oak St, #50

8 bd · 3 ba · 2,016 sqft · built 1992 · 0.128 acres

Last Sale Tax Bill Prior Sale Owner Records
$450,000Aug 2007 $8,6242025 2 Names on Record Assessor + 1 DocumentUpdated Apr 2026

49 Oak St, #1

2 bd · 1 ba · 1,156 sqft · built 1900 · 0.132 acres

Last Sale Tax Bill Prior Sale Owner Records
$293,000Mar 2004 $3,5922025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

49 Oak St, #2

2 bd · 1 ba · 1,163 sqft · built 1900

Last Sale Tax Bill Prior Sale Owner Records
$3,6042025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

53 Oak St, #55

6 bd · 2.5 ba · 2,340 sqft · built 1983 · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,6302025 1 Name on Record Assessor + 4 DocumentsUpdated Apr 2026

56 Oak St

4 bd · 2.5 ba · 1,664 sqft · built 1870 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$463,500Jan 2006 $7,4122025 Amount on Record Apr 1999 2 Names on Record Owner Occupied AssessorUpdated Apr 2026

57 Oak St

2 bd · 1 ba · 1,568 sqft · built 1880 · 0.092 acres

Last Sale Tax Bill Prior Sale Owner Records
$35,000Dec 1980 $5,7462025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

58 Oak St, #60

4 bd · 2 ba · 1,950 sqft · built 1860 · 0.077 acres

Last Sale Tax Bill Prior Sale Owner Records
$398,000Oct 2014 $7,2392025 Amount on Record Oct 2014 2 Names on Record Assessor + 3 DocumentsUpdated Apr 2026

63 Oak St

4 bd · 3.5 ba · 1,275 sqft · built 1880 · 0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
$467,000May 2016 $7,2032025 Amount on Record Apr 1995 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

64 Oak St

2 bd · 2.5 ba · 1,917 sqft · built 1860 · 0.141 acres

Last Sale Tax Bill Prior Sale Owner Records
$152,000Jun 1997 $7,6672025 2 Names on Record Assessor + 2 DocumentsUpdated Apr 2026

66 Oak St, #70

6 bd · 4.5 ba · 2,688 sqft · built 1977 · 0.174 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,5972025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

67 Oak St, #69

4 bd · 2.5 ba · 2,181 sqft · built 1900 · 0.134 acres

Last Sale Tax Bill Prior Sale Owner Records
$84,000Feb 1984 $7,6842025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

76 Oak St

6 bd · 2.5 ba · 2,240 sqft · built 1890 · 0.125 acres

Last Sale Tax Bill Prior Sale Owner Records
$459,900May 2005 $7,5702025 Amount on Record Aug 1994 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

79 Oak St

6 bd · 2.5 ba · 2,709 sqft · built 1880 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$925,000Sep 2023 $8,2972025 Amount on Record Feb 1972 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

80 Oak St

4 bd · 1 ba · 1,960 sqft · built 1900 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$22,900Jan 1972 $6,5542025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

85 Oak St, #1

3 bd · 2 ba · 4,900 sqft · built 2015 · 0.32 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,100,000Jul 2024 $10,1662025 Amount on Record Dec 2015 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

85 Oak St, #2

3 bd · 2 ba · 4,900 sqft · built 2015 · 0.32 acres

Last Sale Tax Bill Prior Sale Owner Records
$904,000Oct 2019 $10,1662025 —May 2017 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

86 Oak St

6 bd · 4.5 ba · 3,410 sqft · built 1880 · 0.217 acres

Last Sale Tax Bill Prior Sale Owner Records
$835,000Jul 2021 $9,7632025 Amount on Record Jun 1992 1 Name on Record Assessor + 2 DocumentsUpdated May 2026

89 Oak St

4 bd · 2 ba · 1,728 sqft · built 1860 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$975,000Jan 2025 $8,3322025 Amount on Record Apr 2018 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

92 Oak St

4 bd · 2.5 ba · 1,818 sqft · built 1890 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$129,900Apr 1985 $7,6042025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

Wildfire Risk on Oak St

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

Property Records in Nearby Streets