Knowles Ave, Kensington, MD Property Records

Montgomery County property records for 48 addresses on Knowles Ave, Kensington, MD · Last verified August 2026

Knowles Ave Highlights

Properties 48
Median Sale Price $945,000
Deeds and Mortgages on File 79
Median Price per Sqft $440
Owner Occupied 77%
Median Annual Tax Bill $7,633
Median Year Built 1950
Median Ownership Tenure 8 years

Properties on Knowles Ave

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

3906 Knowles Ave

3,775 sqft · built 1913 · 0.357 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2017 —Apr 2009 2 Names on Record AssessorUpdated Oct 2023

3910 Knowles Ave

1,806 sqft · built 1928 · 0.357 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2017 —May 2009 1 Name on Record AssessorUpdated Oct 2023

3930 Knowles Ave

16,142 sqft · built 1974 · 0.582 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,960,000Sep 2017 $27,8622025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

4000 Knowles Ave

3 ba · 2,087 sqft · built 1940 · 0.263 acres

Last Sale Tax Bill Prior Sale Owner Records
$992,388Dec 2022 Amount on Record Oct 2020 1 Name on Record Assessor + 2 DocumentsUpdated Oct 2023

4010 Knowles Ave

4.5 ba · 2,700 sqft · built 2021 · 0.036 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,199,000Mar 2024 $14,8352025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4012 Knowles Ave

4.5 ba · 2,144 sqft · built 2021 · 0.021 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,066,000Sep 2022 $11,2002025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4014 Knowles Ave

4.5 ba · 2,144 sqft · built 2021 · 0.021 acres

Last Sale Tax Bill Prior Sale Owner Records
$945,000Oct 2023 $11,7542025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4016 Knowles Ave

3.5 ba · 2,144 sqft · built 2021 · 0.021 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,130,659Nov 2022 $11,0092025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4018 Knowles Ave

3.5 ba · 1,808 sqft · built 2021 · 0.018 acres

Last Sale Tax Bill Prior Sale Owner Records
$931,071Oct 2022 $10,0062025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4020 Knowles Ave

3 ba · 2,000 sqft · built 2021 · 0.024 acres

Last Sale Tax Bill Prior Sale Owner Records
$992,388Dec 2022 $12,2372025 1 Name on Record AssessorUpdated Aug 2026

4102 Knowles Ave

2.5 ba · 2,108 sqft · built 1939 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$661,000May 2018 $7,8122025 Amount on Record Jun 2014 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

4104 Knowles Ave

2.5 ba · 1,782 sqft · built 1939 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$850,000Aug 2024 $7,2922025 Amount on Record Sep 2007 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

4105 Knowles Ave

2 ba · 1,466 sqft · built 1951 · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2005 $6,4502025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

4106 Knowles Ave

1.5 ba · 2,103 sqft · built 1949 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$539,000Jul 2015 $7,7662025 Amount on Record Nov 2004 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

4107 Knowles Ave

1 ba · 804 sqft · built 1951 · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
$470,000May 2016 $6,0132025 Amount on Record Apr 2011 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

4108 Knowles Ave

1.5 ba · 1,081 sqft · built 1939 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$140,000Apr 1997 $2,3602025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

4109 Knowles Ave

5 ba · 3,628 sqft · built 1951 · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,175,000Nov 2021 $13,6082025 Amount on Record Oct 2017 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

4110 Knowles Ave

3.5 ba · 2,466 sqft · built 1939 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$520,000Feb 2020 $8,1662025 Amount on Record Sep 2013 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

4111 Knowles Ave

3 ba · 3,020 sqft · built 1952 · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,0732025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

4112 Knowles Ave

3.5 ba · 2,859 sqft · built 1946 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$490,000Jun 2010 $8,0932025 —Jul 1997 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4113 Knowles Ave

2 ba · 1,206 sqft · built 1952 · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
$152,000Jul 1998 $5,3322025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

4114 Knowles Ave

1 ba · 780 sqft · built 1950 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$655,000Jun 2022 $5,6682025 Amount on Record May 2012 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

4115 Knowles Ave

5 ba · 3,696 sqft · built 1952 · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,000,000Jan 2018 $14,2482025 Amount on Record Oct 2016 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

4116 Knowles Ave

2.5 ba · 2,036 sqft · built 1951 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$185,000May 1994 $5,6282025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4118 Knowles Ave

2.5 ba · 2,096 sqft · built 1951 · 0.137 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,425,000Oct 2025 $7,0192025 Amount on Record Sep 2024 2 Names on Record Owner Occupied Assessor + 6 DocumentsUpdated Aug 2026

4200 Knowles Ave

1 ba · 1,722 sqft · built 1950 · 0.135 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,8222025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4201 Knowles Ave

23,042 sqft · built 1969 · 3 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,8502025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

4202 Knowles Ave

2 ba · 1,964 sqft · built 1950 · 0.136 acres

Last Sale Tax Bill Prior Sale Owner Records
$485,000Dec 2017 $6,2942025 Amount on Record Oct 2005 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

4204 Knowles Ave

2 ba · 1,878 sqft · built 1950 · 0.138 acres

Last Sale Tax Bill Prior Sale Owner Records
$650,000Jun 2024 $5,8472025 Amount on Record Oct 1999 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

4206 Knowles Ave

2 ba · 2,069 sqft · built 1950 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$657,000Apr 2025 $6,7562025 Amount on Record Aug 2001 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4208 Knowles Ave

3.5 ba · 2,811 sqft · built 1950 · 0.141 acres

Last Sale Tax Bill Prior Sale Owner Records
$210,000May 2001 $9,8372025 Amount on Record Oct 1998 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4210 Knowles Ave

1.5 ba · 1,898 sqft · built 1900 · 0.19 acres

Last Sale Tax Bill Prior Sale Owner Records
$549,000May 2013 $6,9912025 Amount on Record Sep 2003 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

4211 Knowles Ave

1.5 ba · 2,473 sqft · built 1926 · 0.499 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2004 $7,1092025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

4212 Knowles Ave

2.5 ba · 1,736 sqft · built 1964 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 1994 $8182025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

4214 Knowles Ave

2.5 ba · 1,736 sqft · built 1964 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,9982025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

4215 Knowles Ave

6.5 ba · 4,545 sqft · built 1900 · 0.499 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,580,000Dec 2021 $13,8912025 Amount on Record May 2020 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

4216 Knowles Ave

4.5 ba · 5,346 sqft · built 2025 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,699,000Mar 2026 $4,6382025 Amount on Record Oct 2023 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

4222 Knowles Ave

1.5 ba · 1,312 sqft · built 1948 · 0.164 acres

Last Sale Tax Bill Prior Sale Owner Records
$440,000Jan 2013 $6,5822025 —Mar 2004 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

4301 Knowles Ave

27,480 sqft · built 2002 · 2.9 acres

Last Sale Tax Bill Prior Sale Owner Records
$176,7912025 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

4302 Knowles Ave

4.5 ba · 4,990 sqft · built 1948 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$650,000May 2022 $16,9862025 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

4304 Knowles Ave

2.5 ba · 1,624 sqft · built 1948 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$619,000Aug 2020 $6,8332025 Amount on Record Jun 2014 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

4306 Knowles Ave

2 ba · 1,266 sqft · built 1948 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$515,000Nov 2020 $6,1482025 Amount on Record May 2013 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

4308 Knowles Ave

1.5 ba · 1,224 sqft · built 1948 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,000Jan 2011 $5,1212025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

4309 Knowles Ave

2 ba · 1,062 sqft · built 1923 · 0.286 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,5422025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4310 Knowles Ave

4.5 ba · 4,544 sqft · built 2020 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Jan 2022 $17,0652025 Amount on Record May 2018 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

4311 Knowles Ave

3.5 ba · 2,557 sqft · built 1923 · 0.143 acres

Last Sale Tax Bill Prior Sale Owner Records
$750,500Oct 2018 $8,4752025 Amount on Record Apr 2014 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

4312 Knowles Ave

4.5 ba · 2,367 sqft · built 1948 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$218,000Oct 2000 $7,6332025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

4313 Knowles Ave

3 ba · 2,686 sqft · built 1948 · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
$508,250Mar 2017 $8,3482025 —Jan 2006 1 Name on Record Owner Occupied Assessor + 6 DocumentsUpdated Aug 2026

Wildfire Risk on Knowles Ave

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

Wildfire RiskLow
this street's cells rank above 3% of the US · above 5% of Maryland
Wildfire LikelihoodLess than 1 in 10,000 per year
ExposureDirect
1 of 5 cells directly exposed · 4 adjoin burnable vegetation

Property Records in Nearby Streets