Montgomery Ave, Gaithersburg, MD Property Records

Montgomery County property records for 18 addresses on Montgomery Ave, Gaithersburg, MD · Last verified October 2026

Montgomery Ave Highlights

Properties 18
Median Sale Price $505,000
Deeds and Mortgages on File 26
Median Price per Sqft $289
Owner Occupied 83%
Median Annual Tax Bill $5,601
Median Year Built 1946
Median Ownership Tenure 5 years

Properties on Montgomery Ave

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

1 Montgomery Ave

1,544 sqft · built 1920 · 0.234 acres

Last Sale Tax Bill Prior Sale Owner Records
$645,000Aug 2026 $5,0222025 Amount on Record Jun 1995 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

3 Montgomery Ave

2.5 ba · 2,034 sqft · built 1924 · 0.299 acres

Last Sale Tax Bill Prior Sale Owner Records
$385,000Feb 2018 $6,4672025 Amount on Record Sep 1996 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

5 Montgomery Ave

1.5 ba · 1,704 sqft · built 1924 · 0.299 acres

Last Sale Tax Bill Prior Sale Owner Records
$375,000Jul 2021 $5,6592025 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

6 Montgomery Ave

2.5 ba · 1,977 sqft · built 1957 · 0.209 acres

Last Sale Tax Bill Prior Sale Owner Records
$145,000Dec 1987 $5,2932025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

7 Montgomery Ave

2 ba · 1,790 sqft · built 1924 · 0.299 acres

Last Sale Tax Bill Prior Sale Owner Records
$485,000Nov 2025 $7,0112025 Amount on Record Sep 2017 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

8 Montgomery Ave

1.5 ba · 1,248 sqft · built 1947 · 0.594 acres

Last Sale Tax Bill Prior Sale Owner Records
$390,000Jul 2020 $5,0522025 —Dec 1997 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

9 Montgomery Ave

2.5 ba · 1,654 sqft · built 1920 · 0.299 acres

Last Sale Tax Bill Prior Sale Owner Records
$641,000Mar 2022 $6,9582025 Amount on Record Jun 2019 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

10 Montgomery Ave

2 ba · 1,179 sqft · built 1946 · 0.556 acres

Last Sale Tax Bill Prior Sale Owner Records
$324,900Jan 2004 $4,3022025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

11 Montgomery Ave

1.5 ba · 1,884 sqft · built 1923 · 0.299 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,0362025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

12 Montgomery Ave

2.5 ba · 1,887 sqft · built 1948 · 0.603 acres

Last Sale Tax Bill Prior Sale Owner Records
$575,000Apr 2024 $7,2592025 Amount on Record Oct 1988 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

13 Montgomery Ave

2 ba · 1,848 sqft · built 1923 · 0.299 acres

Last Sale Tax Bill Prior Sale Owner Records
$430,000Dec 2024 $5,2992025 Amount on Record Dec 2024 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

14 Montgomery Ave

2.5 ba · 1,744 sqft · built 1946 · 0.607 acres

Last Sale Tax Bill Prior Sale Owner Records
$505,000Jun 2023 $5,8772025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

16 Montgomery Ave

2.5 ba · 1,890 sqft · built 1946 · 0.567 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2008 $5,2652025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

17 Montgomery Ave

2.5 ba · 3,021 sqft · built 1996 · 0.281 acres

Last Sale Tax Bill Prior Sale Owner Records
$600,000Jan 2022 $8,3292025 Amount on Record Jul 2011 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

18 Montgomery Ave

2.5 ba · 2,800 sqft · built 1946 · 0.337 acres

Last Sale Tax Bill Prior Sale Owner Records
$185,000Nov 1993 $6,1382025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

21409 Montgomery Ave

2 ba · 2,004 sqft · built 1981 · 0.463 acres

Last Sale Tax Bill Prior Sale Owner Records
$470,000Jun 2017 $2,2562025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

21411 Montgomery Ave

2 ba · 1,937 sqft · built 1948 · 0.473 acres

Last Sale Tax Bill Prior Sale Owner Records
$435,000Oct 2022 $4,9622025 —Oct 2003 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

21512 Montgomery Ave

3 ba · 2,197 sqft · built 1947 · 0.454 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Jun 2015 $5,6012025 Amount on Record May 2014 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

Property Records in Nearby Streets