Diamond Dr, Gaithersburg, MD Property Records

Montgomery County property records for 72 addresses on Diamond Dr, Gaithersburg, MD · Last verified August 2026

Diamond Dr Highlights

Properties 72
Median Sale Price $635,000
Deeds and Mortgages on File 93
Median Price per Sqft $278
Owner Occupied 97%
Median Annual Tax Bill $6,517
Median Year Built 1971
Median Ownership Tenure 18 years

Properties on Diamond Dr

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

801 Diamond Dr

3 ba · 2,606 sqft · 0.28 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$650,000Sep 2021 $7,5182025 Amount on Record Jul 2012 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

811 Diamond Dr

3 ba · 2,156 sqft · 0.24 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$405,000Jun 2004 $6,4342025 —Mar 1999 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

812 Diamond Dr

3 ba · 1,876 sqft · 0.245 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$465,000Jan 2019 $6,0172025 Amount on Record Aug 2002 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

813 Diamond Dr

2.5 ba · 2,718 sqft · 0.388 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$488,000Nov 2016 $8,6782025 —Jan 2006 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

814 Diamond Dr

3.5 ba · 2,858 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$550,000Oct 2020 $7,6522025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

815 Diamond Dr

3 ba · 1,920 sqft · 0.356 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 1997 $5,8942025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

816 Diamond Dr

3.5 ba · 2,358 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$710,000Jul 2025 $7,5522025 Amount on Record Jun 2021 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

817 Diamond Dr

3 ba · 2,156 sqft · 0.274 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$480,000Apr 2018 $6,4252025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

818 Diamond Dr

2.5 ba · 2,718 sqft · 0.233 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$475,000Jan 2016 $7,9732025 Amount on Record Mar 2001 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

819 Diamond Dr

3 ba · 2,156 sqft · 0.238 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$600,000Aug 2021 $4,1052025 Amount on Record Jul 2012 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

820 Diamond Dr

2.5 ba · 2,218 sqft · 0.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,2052025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

821 Diamond Dr

3 ba · 2,504 sqft · 0.238 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,6362025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

822 Diamond Dr

2.5 ba · 2,818 sqft · 0.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$224,900Aug 1998 $6,8682025 Amount on Record May 1996 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

823 Diamond Dr

3 ba · 2,156 sqft · 0.238 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$753,000May 2026 $6,5482025 Amount on Record Nov 2022 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

824 Diamond Dr

3 ba · 1,920 sqft · 0.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$180,000May 2001 $5,7602025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

825 Diamond Dr

3 ba · 2,656 sqft · 0.238 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$152,000Nov 1996 $6,6732025 —May 1996 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

826 Diamond Dr

3 ba · 1,320 sqft · 0.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—May 2003 $5,5122025 Amount on Record Aug 1997 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

827 Diamond Dr

3.5 ba · 2,844 sqft · 0.238 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2008 $6,9162025 Amount on Record Apr 2008 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

828 Diamond Dr

3.5 ba · 2,308 sqft · 0.219 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,2622025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

829 Diamond Dr

3.5 ba · 2,408 sqft · 0.238 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jan 1998 $7,2662025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

830 Diamond Dr

3.5 ba · 2,156 sqft · 0.209 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$479,000Dec 2016 $7,6672025 Amount on Record Jul 2016 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

831 Diamond Dr

3 ba · 1,920 sqft · 0.275 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$175,000Jul 1990 $5,8862025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

832 Diamond Dr

3 ba · 2,156 sqft · 0.217 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$452,500Sep 2014 $6,5172025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

833 Diamond Dr

3.5 ba · 2,308 sqft · 0.214 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$706,000Feb 2022 $7,3652025 Amount on Record Jun 2017 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

834 Diamond Dr

3 ba · 2,756 sqft · 0.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$500,000Nov 2020 $6,6812025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

836 Diamond Dr

3 ba · 2,606 sqft · 0.217 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$680,000Nov 2023 $7,9122025 Amount on Record Apr 2021 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

838 Diamond Dr

3.5 ba · 2,308 sqft · 0.209 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$436,000Aug 2013 $7,1202025 Amount on Record Jul 2004 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

840 Diamond Dr

3.5 ba · 2,308 sqft · 0.214 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$550,000Dec 2021 $6,3452025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

841 Diamond Dr

3 ba · 2,156 sqft · 0.214 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$650,000Apr 2023 $7,2752025 Amount on Record Apr 1997 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

842 Diamond Dr

3.5 ba · 2,308 sqft · 0.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,5612025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

843 Diamond Dr

3.5 ba · 2,308 sqft · 0.275 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$430,000Oct 2012 $7,2432025 —Dec 2004 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

844 Diamond Dr

4.5 ba · 3,068 sqft · 0.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2007 $7,8232025 Amount on Record Jun 1999 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

845 Diamond Dr

3.5 ba · 2,672 sqft · 0.238 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2007 $6,9872025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

846 Diamond Dr

3.5 ba · 2,156 sqft · 0.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$194,000Jul 1995 $6,3172025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

847 Diamond Dr

3 ba · 2,156 sqft · 0.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$361,500Jan 2004 $6,4442025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

848 Diamond Dr

3.5 ba · 2,668 sqft · 0.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$267,500Jun 2002 $6,8102025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

849 Diamond Dr

3 ba · 2,156 sqft · 0.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$465,000Aug 2006 $6,4242025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

850 Diamond Dr

3.5 ba · 2,308 sqft · 0.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2007 $6,4792025 —Apr 2004 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

851 Diamond Dr

3.5 ba · 2,308 sqft · 0.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$429,000May 2004 $6,4102025 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

852 Diamond Dr

3.5 ba · 2,156 sqft · 0.226 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$773,580Jul 2026 $6,4252025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

853 Diamond Dr

3 ba · 1,920 sqft · 0.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$414,900Dec 2012 $5,8712025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

854 Diamond Dr

3 ba · 2,156 sqft · 0.222 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$225,000Jul 1999 $6,3972025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

855 Diamond Dr

3 ba · 2,220 sqft · 0.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$550,000Aug 2021 $6,1682025 Amount on Record Jul 1998 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

856 Diamond Dr

2.5 ba · 2,218 sqft · 0.232 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$576,000Jun 2006 $7,3942025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

857 Diamond Dr

3 ba · 1,920 sqft · 0.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$465,000Jun 2006 $6,6332025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

858 Diamond Dr

3 ba · 2,156 sqft · 0.213 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$204,000Jul 1996 $6,1902025 —Jun 1996 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

859 Diamond Dr

3 ba · 2,220 sqft · 0.227 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$459,900Dec 2018 $6,2662025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

860 Diamond Dr

3.5 ba · 2,308 sqft · 0.211 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,6872025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

861 Diamond Dr

3 ba · 1,920 sqft · 0.252 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$126,000Dec 1986 $6,0002025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

862 Diamond Dr

3.5 ba · 2,308 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2002 $6,3562025 Amount on Record Sep 1999 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

863 Diamond Dr

3.5 ba · 2,308 sqft · 0.242 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$699,500Aug 2022 $7,7952025 Amount on Record Oct 2016 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

864 Diamond Dr

3 ba · 2,156 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$622,000Feb 2022 $6,4672025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

866 Diamond Dr

3.5 ba · 2,156 sqft · 0.214 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$219,000Aug 1992 $6,3762025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

869 Diamond Dr

3 ba · 2,156 sqft · 0.394 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,6252025 1 Name on Record AssessorUpdated Aug 2026

871 Diamond Dr

3 ba · 2,156 sqft · 0.353 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 1991 $6,1752025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

872 Diamond Dr

3.5 ba · 2,358 sqft · 0.267 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$625,000Oct 2023 $7,6182025 Amount on Record Apr 1994 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

873 Diamond Dr

3.5 ba · 2,308 sqft · 0.219 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$489,000May 2005 $6,3332025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

874 Diamond Dr

3 ba · 2,844 sqft · 0.26 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$450,000Aug 2017 $7,3462025 Amount on Record Dec 2000 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

875 Diamond Dr

3 ba · 1,920 sqft · 0.207 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2003 $5,8392025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

876 Diamond Dr

3 ba · 1,876 sqft · 0.245 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$625,000Apr 2024 $6,4662025 Amount on Record Jan 2004 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

877 Diamond Dr

3 ba · 2,656 sqft · 0.208 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$420,000Feb 2016 $7,6052025 Amount on Record Jan 2000 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

878 Diamond Dr

3 ba · 2,126 sqft · 0.242 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$459,000Jun 2008 $6,7832025 Amount on Record Apr 2000 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

879 Diamond Dr

3.5 ba · 2,308 sqft · 0.223 acres

Last Sale Tax Bill Prior Sale Owner Records
$194,800Dec 1990 $6,3912025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

880 Diamond Dr

3 ba · 2,556 sqft · 0.242 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$245,000Aug 2000 $6,9232025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

882 Diamond Dr

3.5 ba · 2,308 sqft · 0.226 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$635,000Jul 2025 $6,3292025 Amount on Record Jun 1987 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

883 Diamond Dr

3.5 ba · 2,308 sqft · 0.225 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$348,500Aug 2003 $6,3232025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

884 Diamond Dr

3 ba · 2,156 sqft · 0.416 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jun 1998 $6,9192025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

885 Diamond Dr

3.5 ba · 2,308 sqft · 0.225 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$300,000Mar 2003 $6,5332025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

887 Diamond Dr

3 ba · 1,876 sqft · 0.211 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$325,000Jun 2022 $6,4692025 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

889 Diamond Dr

3 ba · 1,876 sqft · 0.211 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$705,000Mar 2026 $6,5622025 Amount on Record Oct 2025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

891 Diamond Dr

3 ba · 1,876 sqft · 0.211 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$195,000Sep 1997 $5,6522025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

893 Diamond Dr

4 ba · 2,928 sqft · 0.329 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$477,000Aug 2018 $6,8262025 Amount on Record May 1996 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

Wildfire Risk on Diamond Dr

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskLow
this street's cells rank at the 5th percentile of exposed land nationally · 11th in Maryland
Wildfire LikelihoodLow — less than 1 in 10,000 per year
ExposureDirect
4 of 6 cells directly exposed · 6 adjoin burnable vegetation

Property Records in Nearby Streets