Harmon St, Mattapan, MA Property Records

Suffolk County and Boston City property records for 24 addresses on Harmon St, Mattapan, MA · Last verified August 2026

Harmon St Highlights

Properties 24
Median Sale Price $447,000
Deeds and Mortgages on File 20
Median Price per Sqft $265
Owner Occupied 79%
Median Annual Tax Bill $5,894
Median Year Built 1935
Median Ownership Tenure 15 years

Properties on Harmon St

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

7 Harmon St

3 bd · 2 ba · 1,468 sqft · built 1949 · 0.098 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000Sep 2000 $5,0822025 Amount on Record May 1997 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

8 Harmon St

2 bd · 1 ba · 816 sqft · built 1925 · 0.074 acres

Last Sale Tax Bill Prior Sale Owner Records
$95,000Aug 1992 $4,8072025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

10 Harmon St

3 bd · 1.5 ba · 1,300 sqft · built 1950 · 0.094 acres

Last Sale Tax Bill Prior Sale Owner Records
$550,000Jun 2021 $5,2782025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

11 Harmon St

3 bd · 2.5 ba · 1,840 sqft · built 1935 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$370,000Jun 2018 $7,8052025 —Dec 2016 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

14 Harmon St

2 bd · 1.5 ba · 1,410 sqft · built 1930 · 0.133 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,4832025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

15 Harmon St

2 bd · 1 ba · 1,285 sqft · built 1940 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,8612025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

19 Harmon St

3 bd · 1.5 ba · 1,427 sqft · built 1962 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,2502025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

20 Harmon St

3 bd · 2 ba · 1,518 sqft · built 1929 · 0.151 acres

Last Sale Tax Bill Prior Sale Owner Records
$115,000Aug 1997 $7,3382025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

21 Harmon St

3 bd · 1.5 ba · 1,392 sqft · built 1960 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,8702025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

22 Harmon St

4 bd · 2 ba · 1,620 sqft · built 1925 · 0.101 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,000Mar 2004 $5,9242025 Amount on Record Oct 1997 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

23 Harmon St

4 bd · 1.5 ba · 1,392 sqft · built 1960 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,8942025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

24 Harmon St

3 bd · 1.5 ba · 1,600 sqft · built 1994 · 0.101 acres

Last Sale Tax Bill Prior Sale Owner Records
$118,000May 1996 $7,6672025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

25 Harmon St

5 bd · 2 ba · 2,112 sqft · built 1935 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$28,000Sep 1988 $6,8842025 1 Name on Record AssessorUpdated Jul 2026

26 Harmon St

6 bd · 2 ba · 2,508 sqft · built 1935 · 0.151 acres

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

27 Harmon St, #27A

4 bd · 2 ba · 2,112 sqft · built 1935 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$560,000Nov 2021 $6,6192025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

30 Harmon St

4 bd · 2.5 ba · 3,091 sqft · built 1935 · 0.151 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,0042025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

33 Harmon St, #35

6 bd · 2 ba · 2,528 sqft · built 1935 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,7892025 1 Name on Record AssessorUpdated Apr 2026

34 Harmon St

6 bd · 2 ba · 2,240 sqft · built 2006 · 0.101 acres

Last Sale Tax Bill Prior Sale Owner Records
$440,600Sep 2018 $8,6512025 Amount on Record Jan 2017 1 Name on Record Assessor + 5 DocumentsUpdated Apr 2026

36 Harmon St

2 bd · 1.5 ba · 1,135 sqft · built 1900 · 0.101 acres

Last Sale Tax Bill Prior Sale Owner Records
$447,000Jun 2021 $5,4102025 Amount on Record Mar 2010 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

39 Harmon St

3 bd · 2 ba · 1,190 sqft · built 1920 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$510,000Apr 2023 $5,7192025 Amount on Record Jun 2011 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

40 Harmon St

2 bd · 1.5 ba · 1,040 sqft · built 1925 · 0.101 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2014 $5,3362025 1 Name on Record AssessorUpdated Jul 2026

43 Harmon St

5 bd · 2 ba · 1,824 sqft · built 1945 · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$257,000Aug 2007 $5,6972025 Amount on Record Jul 1997 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

44 Harmon St

3 bd · 1.5 ba · 1,914 sqft · built 1935 · 0.101 acres

Last Sale Tax Bill Prior Sale Owner Records
$264,900May 2011 $5,5842025 Amount on Record Dec 1991 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

52 Harmon St

3 bd · 1.5 ba · 1,231 sqft · built 1930 · 0.101 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,2332025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

Wildfire Risk on Harmon 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