O'Fallon St, Silver Spring, MD Property Records

Montgomery County property records for 13 addresses on O'Fallon St, Silver Spring, MD · Last verified August 2026

O'Fallon St Highlights

Properties 13
Median Sale Price $450,000
Deeds and Mortgages on File 14
Median Price per Sqft $203
Owner Occupied 100%
Median Annual Tax Bill $5,454
Median Year Built 1967
Median Ownership Tenure 21 years

Properties on O'Fallon St

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

12400 O'Fallon St

3.5 ba · 2,052 sqft · 0.272 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$450,000Apr 2021 $5,8242025 Sale Amount Dec 2007 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

12402 O'Fallon St

0.291 acres

Last Sale Tax Bill Prior Sale Owner Records
$850,000Aug 2026 $3,4952025 Sale Amount Jul 2024 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

12405 O'Fallon St

2.5 ba · 1,914 sqft · 0.283 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2003 $5,4182025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

12409 O'Fallon St

3.5 ba · 2,834 sqft · 0.254 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$740,000Jul 2024 $5,6812025 Sale Amount Jan 2022 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

12504 O'Fallon St

2.5 ba · 1,875 sqft · 0.276 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$155,000Feb 1996 $5,7022025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

12505 O'Fallon St

2.5 ba · 1,708 sqft · 0.271 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$179,500Jun 1997 $4,9802025 Sale Amount Sep 1994 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

12508 O'Fallon St

3.5 ba · 2,261 sqft · 0.289 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$481,000May 2005 $5,4542025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

12509 O'Fallon St

2.5 ba · 2,966 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$270,000Oct 2002 $5,7062025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

12512 O'Fallon St

2.5 ba · 1,967 sqft · 0.285 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$399,900Mar 2016 $6,3062025 —Oct 2007 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

12513 O'Fallon St

3.5 ba · 2,549 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$295,000Sep 2002 $5,0322025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

12516 O'Fallon St

2.5 ba · 2,368 sqft · 0.252 acres

Last Sale Tax Bill Prior Sale Owner Records
$450,000Aug 2004 $5,9412025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

12517 O'Fallon St

2.5 ba · 2,767 sqft · 0.273 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$415,000Nov 2017 $5,3252025 —Apr 1998 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

12521 O'Fallon St

2.5 ba · 2,115 sqft · 0.281 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,9542025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

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