Flagg Hill Rd, Boxborough, MA Property Records

Middlesex County and Boxborough Town property records for 43 addresses on Flagg Hill Rd, Boxborough, MA · Last verified August 2026

Flagg Hill Rd Highlights

Properties 43
Median Sale Price $735,000
Deeds and Mortgages on File 44
Median Price per Sqft $325
Owner Occupied 84%
Median Annual Tax Bill $13,055
Median Year Built 1985
Median Ownership Tenure 10 years

Properties on Flagg Hill Rd

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

79 Flagg Hill Rd

4 bd · 2.5 ba · 2,900 sqft · built 1992 · 5.76 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,7382025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

90 Flagg Hill Rd

3 bd · 2.5 ba · 2,151 sqft · built 1984 · 1.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$519,000Aug 2005 $10,9042025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

92 Flagg Hill Rd

4 bd · 3 ba · 2,129 sqft · built 1984 · 2.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$517,500Sep 2006 $11,2642025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

94 Flagg Hill Rd

3 bd · 3 ba · 2,218 sqft · built 1984 · 3.66 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Jan 1985 $12,4982025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

96 Flagg Hill Rd

3 bd · 2.5 ba · 2,156 sqft · built 1984 · 1.86 acres

Last Sale Tax Bill Prior Sale Owner Records
$317,500Aug 1998 $12,5002025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

105 Flagg Hill Rd

4 bd · 1.5 ba · 1,599 sqft · built 1960 · 1.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$520,000May 2023 $8,3152025 Amount on Record Sep 1992 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

114 Flagg Hill Rd

3 bd · 2.5 ba · 1,808 sqft · built 1972 · 0.989 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,6222025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

119 Flagg Hill Rd

4 bd · 2.5 ba · 2,416 sqft · built 1992 · 0.919 acres

Last Sale Tax Bill Prior Sale Owner Records
$599,000Oct 2019 $11,8292025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

130 Flagg Hill Rd

4 bd · 2.5 ba · 2,464 sqft · built 1984 · 1.61 acres

Last Sale Tax Bill Prior Sale Owner Records
$435,000Jan 2002 $12,2742025 Amount on Record Apr 1999 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

135 Flagg Hill Rd

2 bd · 1 ba · 1,557 sqft · built 1955 · 1.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000Nov 2014 $8,4452025 Amount on Record Jun 2002 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

140 Flagg Hill Rd

4 bd · 4 ba · 2,675 sqft · built 1987 · 0.919 acres

Last Sale Tax Bill Prior Sale Owner Records
$392,000Oct 1996 $15,7142025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

151 Flagg Hill Rd

3 bd · 2.5 ba · 1,766 sqft · built 1969 · 1.06 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2016 $11,0422025 —Apr 2012 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

152 Flagg Hill Rd

4 bd · 2.5 ba · 3,504 sqft · built 1988 · 1.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$718,000Jul 2005 $16,2742025 Amount on Record Aug 1988 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

158 Flagg Hill Rd

4 bd · 2.5 ba · 2,697 sqft · built 1994 · 2.78 acres

Last Sale Tax Bill Prior Sale Owner Records
$105,000Oct 1993 $15,0162025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

164 Flagg Hill Rd

4 bd · 3.5 ba · 2,704 sqft · built 1995 · 2.76 acres

Last Sale Tax Bill Prior Sale Owner Records
$699,900Dec 2019 $15,6202025 Amount on Record Aug 2009 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

175 Flagg Hill Rd

4 bd · 3.5 ba · 3,274 sqft · built 2017 · 1.38 acres

Last Sale Tax Bill Prior Sale Owner Records
$885,680Jul 2017 $17,4782025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

178 Flagg Hill Rd

4 bd · 2.5 ba · 2,412 sqft · built 1996 · 0.919 acres

Last Sale Tax Bill Prior Sale Owner Records
$750,000Sep 2020 $13,0552025 Amount on Record Aug 1996 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

185 Flagg Hill Rd

4 bd · 3 ba · 3,255 sqft · built 2016 · 1.39 acres

Last Sale Tax Bill Prior Sale Owner Records
$845,001Oct 2016 $17,1632025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

205 Flagg Hill Rd

4 bd · 2.5 ba · 2,830 sqft · built 2017 · 1.38 acres

Last Sale Tax Bill Prior Sale Owner Records
$846,742Jun 2017 $16,6122025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

270 Flagg Hill Rd

4 bd · 4 ba · 3,738 sqft · built 2000 · 6.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$790,000Mar 2012 $24,1802025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

300 Flagg Hill Rd

4 bd · 2.5 ba · 2,838 sqft · built 1984 · 5.76 acres

Last Sale Tax Bill Prior Sale Owner Records
$625,000Oct 2006 $15,8822025 Amount on Record Dec 1997 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

302 Flagg Hill Rd

4 bd · 2.5 ba · 2,832 sqft · built 1985 · 5.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,300,000Jun 2026 $16,1682025 Amount on Record May 2002 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

304 Flagg Hill Rd

2.5 ba · 2,888 sqft · built 2005 · 0.75 acres

Last Sale Tax Bill Prior Sale Owner Records
$670,000Sep 2015 $15,3372025 Amount on Record Apr 2005 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

310 Flagg Hill Rd

6 bd · 7.5 ba · 7,960 sqft · built 1985 · 8.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,459,000Sep 2019 $29,1822025 Amount on Record Dec 1998 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

344 Flagg Hill Rd

5 bd · 2.5 ba · 3,248 sqft · built 1970 · 2.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$635,000May 2002 $14,3802025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

378 Flagg Hill Rd

1.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$502025 1 Name on Record AssessorUpdated Apr 2026

414 Flagg Hill Rd

1.7 acres

Last Sale Tax Bill Prior Sale Owner Records
$2572025 1 Name on Record AssessorUpdated Apr 2026

420 Flagg Hill Rd

1.98 acres

Last Sale Tax Bill Prior Sale Owner Records
$892025 1 Name on Record AssessorUpdated Apr 2026

428 Flagg Hill Rd

6 bd · 3.5 ba · 3,211 sqft · built 1968 · 16.5 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2016 $16,2232025 Amount on Record Apr 1997 2 Names on Record AssessorUpdated Jul 2026

461 Flagg Hill Rd

4 bd · 2.5 ba · 2,658 sqft · built 1989 · 1.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,9832025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

475 Flagg Hill Rd

4 bd · 2.5 ba · 3,242 sqft · built 1989 · 3.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$16,5372025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

491 Flagg Hill Rd

4 bd · 1.5 ba · 1,952 sqft · built 1966 · 0.919 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,7442025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

515 Flagg Hill Rd

4 bd · 2.5 ba · 2,464 sqft · built 1971 · 0.95 acres

Last Sale Tax Bill Prior Sale Owner Records
$217,000Oct 1992 $11,0842025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

528 Flagg Hill Rd

3 bd · 1.5 ba · 1,554 sqft · built 1915 · 4.93 acres

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

534 Flagg Hill Rd

4 bd · 3.5 ba · 2,828 sqft · built 2016 · 6.41 acres

Last Sale Tax Bill Prior Sale Owner Records
$800,600Sep 2016 $18,7832025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

536 Flagg Hill Rd

2.5 ba · 2,944 sqft · built 2015 · 5.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$650,000Nov 2015 $18,3162025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

538 Flagg Hill Rd

4 bd · 2.5 ba · 3,424 sqft · built 2016 · 5.61 acres

Last Sale Tax Bill Prior Sale Owner Records
$900,000Oct 2016 $19,1912025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

540 Flagg Hill Rd

4 bd · 2.5 ba · 2,930 sqft · built 1988 · 2.68 acres

Last Sale Tax Bill Prior Sale Owner Records
$13,3042025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

541 Flagg Hill Rd

4 bd · 2.5 ba · 1,568 sqft · built 1958 · 0.95 acres

Last Sale Tax Bill Prior Sale Owner Records
$725,000Jul 2026 $8,8892025 Amount on Record Dec 2017 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

567 Flagg Hill Rd

4 bd · 1.5 ba · 1,696 sqft · built 1958 · 0.93 acres

Last Sale Tax Bill Prior Sale Owner Records
$472,500Jun 2015 $9,2812025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

580 Flagg Hill Rd

3 bd · 2 ba · 2,184 sqft · built 1987 · 1.61 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,8862025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

587 Flagg Hill Rd

3 bd · 1.5 ba · 1,664 sqft · built 1966 · 0.919 acres

Last Sale Tax Bill Prior Sale Owner Records
$735,000Sep 2021 $11,1492025 Amount on Record Jul 2015 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

600 Flagg Hill Rd

0.219 acres

Last Sale Tax Bill Prior Sale Owner Records
$565,000Jun 2018 $332025 Amount on Record Oct 2015 2 Names on Record AssessorUpdated Apr 2026

Property Records in Nearby Streets