S Frederick Ave, Gaithersburg, MD Property Records

Montgomery County property records for 46 addresses on S Frederick Ave, Gaithersburg, MD · Last verified August 2026

S Frederick Ave Highlights

Properties 82
Median Sale Price $550,500
Deeds and Mortgages on File 49
Median Price per Sqft $311
Owner Occupied 33%
Median Annual Tax Bill $4,137
Median Year Built 1962
Median Ownership Tenure 20 years

Properties on S Frederick Ave

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

12 S Frederick Ave

68,624 sqft · Built 1964 · 2.91 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,850,000Jan 2015 $204,0322025 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

32 S Frederick Ave

11,071 sqft · Built 1984 · 0.679 acres

Last Sale Tax Bill Prior Sale Owner Records
$850,000Apr 2014 $20,1112025 Amount on Record Jun 2002 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

101 S Frederick Ave

768 sqft · Built 1950 · 0.479 acres

Last Sale Tax Bill Prior Sale Owner Records
$7422025 1 Name on Record AssessorUpdated Aug 2026

102 S Frederick Ave

2,903 sqft · Built 1899 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$850,000May 2017 1 Name on Record Assessor + 1 DocumentUpdated Oct 2023

104 S Frederick Ave

0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$850,000May 2017 Amount on Record Jun 2009 1 Name on Record Assessor + 1 DocumentUpdated Oct 2023

106 S Frederick Ave

4,716 sqft · Built 1915 · 0.259 acres

Last Sale Tax Bill Prior Sale Owner Records
$750,000Feb 2006 $13,4242025 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

110 S Frederick Ave

4,320 sqft · Built 1997 · 3.61 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,0182025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

201 S Frederick Ave

27,832 sqft · 3.43 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,5732025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

208 S Frederick Ave

2 ba · 2,861 sqft · 0.584 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,6922025 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

212 S Frederick Ave

996 sqft · Built 1958 · 0.577 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$850,000Dec 2004 $13,0302025 Amount on Record Aug 2001 2 Names on Record AssessorUpdated Aug 2026

301 S Frederick Ave

2 ba · 2,200 sqft · 0.433 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,000Apr 2000 $8,2922025 2 Names on Record AssessorUpdated Aug 2026

303 S Frederick Ave

1 ba · 1,112 sqft · 0.288 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$261,250Apr 2016 $6542025 Amount on Record Jun 2015 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

305 S Frederick Ave

1 ba · 1,084 sqft · 0.181 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$311,450Oct 2017 Amount on Record Feb 1996 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

307 S Frederick Ave

1 ba · 925 sqft · 0.168 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$103,500Jul 1998 $872025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

309 S Frederick Ave

1 ba · 2,668 sqft · 0.239 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$315,000Sep 2012 $6542025 Amount on Record Jun 1993 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

311 S Frederick Ave

3 ba · 2,233 sqft · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Oct 2011 $6,0592025 —Nov 2006 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

312 S Frederick Ave

1,768 sqft · Built 1950 · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$475,000Aug 2011 $8,2122025 —May 2008 1 Name on Record AssessorUpdated Aug 2026

401 S Frederick Ave

1,312 sqft · Built 1945 · 0.691 acres

Last Sale Tax Bill Prior Sale Owner Records
$196,000Nov 1993 $5,7952025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

405 S Frederick Ave

5,051 sqft · Built 2023 · 1.83 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,819,736Mar 2024 $116,8342025 Amount on Record Feb 2019 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

421 S Frederick Ave

21,360 sqft · Built 2003 · 1.86 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,3012025 1 Name on Record AssessorUpdated Aug 2026

501 S Frederick Ave

96,099 sqft · Built 1970 · 4.06 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2003 $122,8112025 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

510 S Frederick Ave

2.25 ba · 45,000 sqft · 56.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$30,0202025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

511 S Frederick Ave

19,971 sqft · Built 1963 · 0.911 acres

Last Sale Tax Bill Prior Sale Owner Records
$893,000Nov 1998 $58,4852025 1 Name on Record AssessorUpdated Aug 2026

513 S Frederick Ave

3,708 sqft · Built 1954 · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,7552025 1 Name on Record AssessorUpdated Aug 2026

517 S Frederick Ave

55,374 sqft · Built 1963 · 1.65 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2005 $67,8282025 1 Name on Record AssessorUpdated Aug 2026

519 S Frederick Ave

22,026 sqft · Built 1962 · 0.824 acres

Last Sale Tax Bill Prior Sale Owner Records
$33,5562025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

525 S Frederick Ave

1,810 sqft · Built 1934 · 0.24 acres

Last Sale Tax Bill Prior Sale Owner Records
$391,020Feb 2002 $10,3122025 Amount on Record May 2018 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

529 S Frederick Ave

1,224 sqft · Built 1929 · 0.145 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$550,500Jan 2021 $6,8092025 Amount on Record Apr 1996 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

531 S Frederick Ave

78,588 sqft · Built 1962 · 1.58 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,955,000Jun 2016 $66,5832025 —Jan 2013 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

539 S Frederick Ave

3 ba · 4,306 sqft · 1.41 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$5,670,000Jan 2025 $10,8372025 —Nov 2008 1 Name on Record AssessorUpdated Aug 2026

561 S Frederick Ave

1.5 ba · 2,256 sqft · 1.88 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,670,000Jan 2025 $6,8602025 —Sep 2005 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

600 S Frederick Ave

14 units · Built 1984 · 510 sq ft

Last Sale Median Tax Bill Median Sale    
$125,000Jul 2025 $2,0162025 $150,00014 units    

601 S Frederick Ave

0.403 acres

Last Sale Tax Bill Prior Sale Owner Records
$625,000Jul 2004 $9,4102025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

604 S Frederick Ave

24 units · 647 sq ft

Last Sale Median Tax Bill Median Sale    
$145,000Feb 2026 $3,0122025 $280,00024 units    

607 S Frederick Ave

576 sqft · 0.398 acres

Last Sale Tax Bill Prior Sale Owner Records
$220,000Sep 1992 $10,5662025 1 Name on Record AssessorUpdated Aug 2026

610 S Frederick Ave

35,780 sqft · Built 1965 · 4.8 acres

Last Sale Tax Bill Prior Sale Owner Records
$13,4472025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

611 S Frederick Ave

13,400 sqft · Built 1996 · 4 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,285,000Jul 2019 $51,8852025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

615 S Frederick Ave

28,800 sqft · Built 1975 · 1.3 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2001 $52,9262025 1 Name on Record AssessorUpdated Aug 2026

623 S Frederick Ave

2,157 sqft · Built 1965 · 0.374 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 1992 $18,5112025 1 Name on Record AssessorUpdated Aug 2026

701 S Frederick Ave

2,263 sqft · Built 2019 · 0.337 acres

Last Sale Tax Bill Prior Sale Owner Records
$23,4822025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

793 S Frederick Ave

1.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$17,2012025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

800 S Frederick Ave

77,550 sqft · Built 1991 · 4.3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2018 $109,4892025 —Jan 2012 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

807 S Frederick Ave

123,375 sqft · Built 2003 · 1.88 acres

Last Sale Tax Bill Prior Sale Owner Records
$38,459,178May 2021 $380,8322025 Amount on Record Aug 2002 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

810 S Frederick Ave

16,424 sqft · Built 1983 · 2.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,0352025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

16425 S Frederick Ave

1,431 sqft · Built 1995 · 0.462 acres

Last Sale Tax Bill Prior Sale Owner Records
$47,251,332Jun 2010 $27,9102025 1 Name on Record AssessorUpdated Aug 2026

16531 S Frederick Ave

89,666 sqft · Built 1967 · 6.6 acres

Last Sale Tax Bill Prior Sale Owner Records
$171,8152025 1 Name on Record Assessor + 6 DocumentsUpdated Aug 2026

Wildfire Risk on S Frederick Ave

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

Wildfire Risk to HomesLow
this street's cells rank at the 4th percentile of exposed land nationally · 9th in Maryland
Wildfire LikelihoodLow — less than 1 in 10,000 per year
ExposureDirect
1 of 13 cells directly exposed · 10 adjoin burnable vegetation

Property Records in Nearby Streets