Hart Rd, Gaithersburg, MD Property Records

Montgomery County property records for 57 addresses on Hart Rd, Gaithersburg, MD · Last verified September 2026

Hart Rd Highlights

Properties 57
Median Sale Price $861,000
Deeds and Mortgages on File 71
Median Price per Sqft $309
Owner Occupied 89%
Median Annual Tax Bill $9,384
Median Year Built 1999
Median Ownership Tenure 10 years

Properties on Hart Rd

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

102 Hart Rd

3.5 ba · 2,550 sqft · built 1992 · 0.072 acres

Last Sale Tax Bill Prior Sale Owner Records
$737,900Jan 2021 $8,4332025 Amount on Record Sep 2002 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

104 Hart Rd

3.5 ba · 2,550 sqft · built 1992 · 0.036 acres

Last Sale Tax Bill Prior Sale Owner Records
$632,500Jun 2018 $8,1882025 Amount on Record Feb 2002 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

106 Hart Rd

3.5 ba · 2,550 sqft · built 1992 · 0.036 acres

Last Sale Tax Bill Prior Sale Owner Records
$566,000Nov 2016 $8,1882025 Amount on Record Dec 2003 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

108 Hart Rd

3.5 ba · 2,550 sqft · built 1992 · 0.036 acres

Last Sale Tax Bill Prior Sale Owner Records
$252,600Jun 1993 $8,1882025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

110 Hart Rd

3.5 ba · 2,550 sqft · built 1992 · 0.036 acres

Last Sale Tax Bill Prior Sale Owner Records
$610,000Nov 2015 $8,6342025 Amount on Record Feb 2012 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

111 Hart Rd

3.5 ba · 3,120 sqft · built 1994 · 0.122 acres

Last Sale Tax Bill Prior Sale Owner Records
$710,000Apr 2011 $10,9182025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

112 Hart Rd

3.5 ba · 2,550 sqft · built 1992 · 0.036 acres

Last Sale Tax Bill Prior Sale Owner Records
$626,000Oct 2005 $8,1882025 Amount on Record Mar 2004 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

114 Hart Rd

3.5 ba · 2,600 sqft · built 1992 · 0.044 acres

Last Sale Tax Bill Prior Sale Owner Records
$861,000Nov 2024 $9,0862025 Amount on Record Nov 1996 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

115 Hart Rd

2.5 ba · 1,991 sqft · built 1992 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$699,900May 2014 $10,1312025 —Jan 2004 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

118 Hart Rd

2.5 ba · 2,718 sqft · built 1992 · 0.154 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,350,000Aug 2026 $11,5152025 Amount on Record Aug 2018 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Sep 2026

119 Hart Rd

3.5 ba · 1,664 sqft · built 1992 · 0.036 acres

Last Sale Tax Bill Prior Sale Owner Records
$260,000Dec 2001 $6,7012025 Amount on Record Aug 1993 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

121 Hart Rd

3.5 ba · 1,664 sqft · built 1992 · 0.036 acres

Last Sale Tax Bill Prior Sale Owner Records
$260,000Jul 2001 $6,6902025 Amount on Record Apr 2001 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

122 Hart Rd

3 ba · 1,560 sqft · built 1994 · 0.048 acres

Last Sale Tax Bill Prior Sale Owner Records
$599,900Aug 2013 $7,1732025 —Dec 2008 Owner on Record Owner Occupied AssessorUpdated Aug 2026

123 Hart Rd

3.5 ba · 1,664 sqft · built 1992 · 0.036 acres

Last Sale Tax Bill Prior Sale Owner Records
$485,000Dec 2016 $6,6902025 Amount on Record Nov 2012 Owner on Record Owner Occupied AssessorUpdated Aug 2026

125 Hart Rd

3.5 ba · 1,664 sqft · built 1992 · 0.036 acres

Last Sale Tax Bill Prior Sale Owner Records
$395,000Sep 2010 $7,3822025 Amount on Record Aug 1996 2 Owners on Record Assessor + 1 DocumentUpdated Aug 2026

127 Hart Rd

2.5 ba · 1,440 sqft · built 1992 · 0.078 acres

Last Sale Tax Bill Prior Sale Owner Records
$212,624Oct 1993 $7,7522025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

200 Hart Rd

3.5 ba · 2,838 sqft · built 1999 · 0.107 acres

Last Sale Tax Bill Prior Sale Owner Records
$850,000Dec 2020 $12,4322025 Amount on Record Aug 1999 2 Owners on Record Assessor + 1 DocumentUpdated Aug 2026

201 Hart Rd

5 ba · 5,165 sqft · built 1999 · 0.075 acres

Last Sale Tax Bill Prior Sale Owner Records
$860,000Jul 2012 $13,7602025 Amount on Record Jul 2000 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

204 Hart Rd

3.5 ba · 2,438 sqft · built 1999 · 0.052 acres

Last Sale Tax Bill Prior Sale Owner Records
$905,000Aug 2023 $9,9642025 Amount on Record Jul 2021 2 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

205 Hart Rd

3.5 ba · 3,512 sqft · built 1999 · 0.045 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,050,000Apr 2025 $10,4922025 Amount on Record Mar 2006 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

208 Hart Rd

2.5 ba · 3,141 sqft · built 1999 · 0.063 acres

Last Sale Tax Bill Prior Sale Owner Records
$460,000Jul 2001 $11,4732025 Amount on Record Aug 1999 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

209 Hart Rd

4.5 ba · 2,588 sqft · built 1999 · 0.045 acres

Last Sale Tax Bill Prior Sale Owner Records
$925,000Oct 2024 $10,3542025 Amount on Record Dec 2007 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

213 Hart Rd

3.5 ba · 3,030 sqft · built 1999 · 0.072 acres

Last Sale Tax Bill Prior Sale Owner Records
$700,000Sep 2008 $10,5212025 Amount on Record May 1999 Owner on Record Owner Occupied AssessorUpdated Aug 2026

217 Hart Rd

3.5 ba · 3,050 sqft · built 1999 · 0.072 acres

Last Sale Tax Bill Prior Sale Owner Records
$980,000Aug 2025 $10,1152025 Amount on Record Jul 1999 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

221 Hart Rd

2.5 ba · 2,905 sqft · built 1999 · 0.045 acres

Last Sale Tax Bill Prior Sale Owner Records
$715,000Aug 2021 $9,8702025 Amount on Record Sep 2001 2 Owners on Record Assessor + 2 DocumentsUpdated Aug 2026

225 Hart Rd

3.5 ba · 3,030 sqft · built 1999 · 0.072 acres

Last Sale Tax Bill Prior Sale Owner Records
$687,500Sep 2008 $9,8942025 Amount on Record Feb 2002 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

229 Hart Rd

3.5 ba · 3,193 sqft · built 1999 · 0.072 acres

Last Sale Tax Bill Prior Sale Owner Records
$795,000Jul 2017 $10,8072025 Amount on Record Nov 2012 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

301 Hart Rd

3.5 ba · 2,772 sqft · built 1999 · 0.045 acres

Last Sale Tax Bill Prior Sale Owner Records
$630,000Apr 2018 $9,4862025 Amount on Record Aug 2008 2 Owners on Record Assessor + 3 DocumentsUpdated Aug 2026

302 Hart Rd

4.5 ba · 3,056 sqft · built 1998 · 0.056 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Aug 2002 $9,9692025 Amount on Record Dec 1998 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

305 Hart Rd

2.5 ba · 3,707 sqft · built 1999 · 0.045 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,010,000May 2026 $10,6672025 Amount on Record Jun 2008 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

306 Hart Rd

2.5 ba · 2,218 sqft · built 1998 · 0.044 acres

Last Sale Tax Bill Prior Sale Owner Records
$880,000Jun 2026 $3272025 Amount on Record Dec 2010 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

309 Hart Rd

3.5 ba · 2,398 sqft · built 2000 · 0.045 acres

Last Sale Tax Bill Prior Sale Owner Records
$700,000Jun 2016 $9,7362025 Amount on Record Feb 2000 Owner on Record Owner Occupied AssessorUpdated Aug 2026

310 Hart Rd

3.5 ba · 2,962 sqft · built 1998 · 0.045 acres

Last Sale Tax Bill Prior Sale Owner Records
$660,000Jul 2012 $8,8532025 Amount on Record Jun 2009 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

313 Hart Rd

3.5 ba · 2,741 sqft · built 1999 · 0.045 acres

Last Sale Tax Bill Prior Sale Owner Records
$890,000Feb 2026 $10,1152025 Amount on Record Mar 2008 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

314 Hart Rd

4.5 ba · 3,010 sqft · built 1998 · 0.046 acres

Last Sale Tax Bill Prior Sale Owner Records
$697,000May 2019 $9,4212025 Amount on Record Mar 2012 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

317 Hart Rd

3.5 ba · 3,030 sqft · built 2000 · 0.072 acres

Last Sale Tax Bill Prior Sale Owner Records
$815,000May 2017 $10,8152025 Amount on Record Dec 2005 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

318 Hart Rd

3.5 ba · 2,542 sqft · built 1998 · 0.056 acres

Last Sale Tax Bill Prior Sale Owner Records
$415,000Apr 2002 $8,4522025 Amount on Record Oct 1998 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

321 Hart Rd

3.5 ba · 2,830 sqft · built 2000 · 0.072 acres

Last Sale Tax Bill Prior Sale Owner Records
$875,000Apr 2023 $10,2062025 Amount on Record Aug 2007 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

322 Hart Rd

2.5 ba · 2,812 sqft · built 1999 · 0.057 acres

Last Sale Tax Bill Prior Sale Owner Records
$305,062Jan 1999 $8,6542025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

325 Hart Rd

3.5 ba · 3,472 sqft · built 2000 · 0.045 acres

Last Sale Tax Bill Prior Sale Owner Records
$710,000Aug 2017 $10,4092025 Amount on Record Mar 2008 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

326 Hart Rd

3.5 ba · 2,224 sqft · built 1999 · 0.048 acres

Last Sale Tax Bill Prior Sale Owner Records
$715,000Aug 2021 $8,5872025 —Feb 2009 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

329 Hart Rd

2.5 ba · 1,848 sqft · built 2000 · 0.045 acres

Last Sale Tax Bill Prior Sale Owner Records
$690,000Dec 2017 $9,1812025 Amount on Record Mar 2000 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

330 Hart Rd

3.5 ba · 3,318 sqft · built 1999 · 0.048 acres

Last Sale Tax Bill Prior Sale Owner Records
$699,999May 2016 $10,2412025 Amount on Record Nov 1999 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

333 Hart Rd

3.5 ba · 3,210 sqft · built 2000 · 0.066 acres

Last Sale Tax Bill Prior Sale Owner Records
$386,832Apr 2000 $10,6402025 Amount on Record Aug 1999 Owner on Record AssessorUpdated Aug 2026

334 Hart Rd

2.5 ba · 2,364 sqft · built 1999 · 0.048 acres

Last Sale Tax Bill Prior Sale Owner Records
$625,000Feb 2012 $8,0172025 Amount on Record Apr 1999 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

338 Hart Rd

2.5 ba · 3,068 sqft · built 1999 · 0.062 acres

Last Sale Tax Bill Prior Sale Owner Records
$334,892Jan 1999 $9,8282025 Amount on Record Jul 1998 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

342 Hart Rd

4.5 ba · 3,410 sqft · built 1999 · 0.063 acres

Last Sale Tax Bill Prior Sale Owner Records
$770,000Nov 2020 $10,2232025 Amount on Record Sep 2013 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

346 Hart Rd

2.5 ba · 2,200 sqft · built 1999 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$655,000Dec 2018 $7,9412025 Amount on Record Apr 2013 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

350 Hart Rd

3.5 ba · 3,028 sqft · built 1999 · 0.051 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,000Jan 2022 $9,3842025 Amount on Record Feb 2007 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

354 Hart Rd

3.5 ba · 2,786 sqft · built 1999 · 0.052 acres

Last Sale Tax Bill Prior Sale Owner Records
$815,000Nov 2021 $9,2322025 Amount on Record Jun 1999 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

358 Hart Rd

3 ba · 2,036 sqft · built 1999 · 0.062 acres

Last Sale Tax Bill Prior Sale Owner Records
$522,000Dec 2013 $8,1422025 Amount on Record Mar 2002 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

362 Hart Rd

2.5 ba · 2,652 sqft · built 1999 · 0.066 acres

Last Sale Tax Bill Prior Sale Owner Records
$670,000May 2019 $8,7092025 Amount on Record Sep 2009 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

366 Hart Rd

2.5 ba · 2,848 sqft · built 1999 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$305,775Oct 1999 $8,8742025 2 Owners on Record AssessorUpdated Aug 2026

370 Hart Rd

1.5 ba · 2,216 sqft · built 1999 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$711,000Jul 2025 $7,8762025 Amount on Record Oct 1999 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

374 Hart Rd

3.5 ba · 3,062 sqft · built 1999 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$545,000Mar 2009 $8,9552025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

378 Hart Rd

3.5 ba · 2,525 sqft · built 1999 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$615,000Jul 2011 $8,6042025 Amount on Record Oct 1999 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

382 Hart Rd

2.5 ba · 3,330 sqft · built 1999 · 0.063 acres

Last Sale Tax Bill Prior Sale Owner Records
$775,000Sep 2020 $10,1232025 Amount on Record Oct 2003 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

Property Records in Nearby Streets