N Frederick Ave, Gaithersburg, MD Property Records

Montgomery County property records for 81 addresses on N Frederick Ave, Gaithersburg, MD · Last verified August 2026

N Frederick Ave Highlights

Properties 118
Median Sale Price $550,000
Deeds and Mortgages on File 78
Median Price per Sqft $277
Owner Occupied 19%
Median Annual Tax Bill $15,357
Median Year Built 1979
Median Ownership Tenure 14 years

Properties on N Frederick Ave

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

5 N Frederick Ave

3.5 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2012 $7,1332025 1 Name on Record AssessorUpdated Aug 2026

9 N Frederick Ave

3,824 sqft · 0.225 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000Jun 2018 $5,0602025 Amount on Record Sep 1991 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

17 N Frederick Ave

1,302 sqft · Built 1924 · 0.231 acres

Last Sale Tax Bill Prior Sale Owner Records
$320,000Jan 2003 $11,6602025 Amount on Record Mar 1995 1 Name on Record AssessorUpdated Aug 2026

100 N Frederick Ave

836 sqft · Built 1989 · 0.399 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,700,000Feb 2015 $31,3442025 Amount on Record Sep 2011 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

101 N Frederick Ave

7,865 sqft · Built 1899 · 0.285 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,200,000Oct 2025 $14,6072025 —Jun 2002 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

104 N Frederick Ave

2,679 sqft · Built 1973 · 0.47 acres

Last Sale Tax Bill Prior Sale Owner Records
$750,000Aug 1990 $18,4682025 1 Name on Record AssessorUpdated Aug 2026

106 N Frederick Ave

3,840 sqft · Built 1967 · 0.277 acres

Last Sale Tax Bill Prior Sale Owner Records
$925,000Jul 2017 —Aug 1999 1 Name on Record AssessorUpdated Oct 2023

108 N Frederick Ave

0.276 acres

Last Sale Tax Bill Prior Sale Owner Records
$475,000Jul 2016 $3,2252025 Amount on Record May 1990 1 Name on Record AssessorUpdated Jun 2026

112 N Frederick Ave

4,830 sqft · Built 1980 · 0.682 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,500,000Sep 2017 $30,8192025 Amount on Record May 2006 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

116 N Frederick Ave

1,936 sqft · Built 1985 · 0.411 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,700,000Jul 2025 $13,7602025 1 Name on Record AssessorUpdated Aug 2026

117 N Frederick Ave

14,179 sqft · Built 1951 · 1.32 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,850,000Aug 2007 $61,7832025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

119 N Frederick Ave

5,737 sqft · Built 1899 · 1.36 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,1992025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

120 N Frederick Ave

3,526 sqft · Built 1965 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,150,000Sep 2007 $23,4932025 —Jan 2006 1 Name on Record AssessorUpdated Aug 2026

126 N Frederick Ave

8,217 sqft · Built 1958 · 0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2002 $32,9552025 Amount on Record Jul 1994 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

200 N Frederick Ave

4,411 sqft · Built 1954 · 0.421 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2003 $19,8462025 1 Name on Record AssessorUpdated Aug 2026

201 N Frederick Ave

4,697 sqft · Built 1914 · 0.219 acres

Last Sale Tax Bill Prior Sale Owner Records
$937,000Nov 2012 $18,8682025 Amount on Record Mar 1998 1 Name on Record AssessorUpdated Aug 2026

204 N Frederick Ave

4,012 sqft · Built 1977 · 0.405 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,590,000Nov 2021 $21,0372025 —Oct 2008 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

205 N Frederick Ave

4,016 sqft · Built 1966 · 0.633 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,025,000Mar 2012 $15,3572025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

211 N Frederick Ave

24,000 sqft · Built 1966 · 0.989 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,750,000Dec 2023 $68,2972025 —Dec 2003 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

213 N Frederick Ave

5,000 sqft · Built 1949 · 0.361 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,600,000Jul 2007 $22,5892025 Amount on Record Jun 2003 1 Name on Record AssessorUpdated Aug 2026

215 N Frederick Ave

5,120 sqft · Built 1962 · 0.373 acres

Last Sale Tax Bill Prior Sale Owner Records
$21,3542025 1 Name on Record AssessorUpdated Aug 2026

300 N Frederick Ave

70,639 sqft · Built 1976 · 6.56 acres

Last Sale Tax Bill Prior Sale Owner Records
$24,450,000Jun 2022 $303,1102025 Amount on Record Aug 2005 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

301 N Frederick Ave

6,149 sqft · Built 1984 · 0.462 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2002 $50,3222025 1 Name on Record AssessorUpdated Aug 2026

302 N Frederick Ave

0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,034,000Jul 2013 $2,7642025 1 Name on Record AssessorUpdated Aug 2026

305 N Frederick Ave

0.274 acres

Last Sale Tax Bill Prior Sale Owner Records
$550,000Oct 2025 $6,0862025 Amount on Record Dec 2000 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

307 N Frederick Ave

1,360 sqft · 0.546 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2004 $12,5372025 1 Name on Record AssessorUpdated Aug 2026

401 N Frederick Ave

28,669 sqft · Built 1962 · 2.53 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,000,000Jan 2002 $125,8592025 Amount on Record Mar 2001 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

408 N Frederick Ave

2,520 sqft · Built 1982 · 0.621 acres

Last Sale Tax Bill Prior Sale Owner Records
$310,000May 2013 $50,7182025 1 Name on Record AssessorUpdated Aug 2026

411 N Frederick Ave

2,663 sqft · Built 1978 · 0.537 acres

Last Sale Tax Bill Prior Sale Owner Records
$20,0862025 1 Name on Record AssessorUpdated Aug 2026

412 N Frederick Ave

600 sqft · 0.052 acres

Last Sale Tax Bill Prior Sale Owner Records
$950,000Jan 2024 $14,2072022 Amount on Record Nov 2005 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

416 N Frederick Ave

4,489 sqft · Built 1979 · 0.538 acres

Last Sale Tax Bill Prior Sale Owner Records
$895,000Apr 2003 $16,0462025 —Jul 1997 1 Name on Record AssessorUpdated Aug 2026

419 N Frederick Ave

2,186 sqft · Built 1969 · 0.512 acres

Last Sale Tax Bill Prior Sale Owner Records
$26,4092025 1 Name on Record AssessorUpdated Aug 2026

424 N Frederick Ave

3 units · 773 sq ft

Last Sale Median Tax Bill Median Sale    
$427,000Sep 1991 $2,7992025 $427,0003 units    

425 N Frederick Ave

28,500 sqft · Built 1955 · 2.51 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,850,000Oct 2023 $54,4212024 Amount on Record Oct 2013 1 Name on Record Assessor + 5 DocumentsUpdated Aug 2026

426 N Frederick Ave

3,363 sqft · Built 1970 · 0.926 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2000 $39,5592025 1 Name on Record AssessorUpdated Aug 2026

430 N Frederick Ave

2,847 sqft · Built 1985 · 0.468 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,000,000Dec 2007 $37,8342025 Amount on Record Sep 2005 1 Name on Record AssessorUpdated Aug 2026

431 N Frederick Ave

15,358 sqft · Built 1960 · 0.71 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,250,000Jan 2018 $43,5822025 Amount on Record Dec 2004 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

438 N Frederick Ave

36 units · Built 1982 · 177 sq ft

Last Sale Median Tax Bill Median Sale    
$405,800May 2025 $3,1542025 $289,80036 units    

439 N Frederick Ave

21,500 sqft · Built 1955 · 1.02 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,850,000Oct 2023 $38,8312024 Amount on Record Jan 2013 1 Name on Record Assessor + 5 DocumentsUpdated Aug 2026

441 N Frederick Ave

1,740 sqft · Built 1950 · 0.234 acres

Last Sale Tax Bill Prior Sale Owner Records
$950,000May 2026 $12,7602025 Amount on Record Jun 2006 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

443 N Frederick Ave

3,652 sqft · Built 1986 · 0.209 acres

Last Sale Tax Bill Prior Sale Owner Records
$16,2392025 —Jul 1999 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

445 N Frederick Ave

Built 1965 · 5.3 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 1987 $138,6982025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

446 N Frederick Ave

2,552 sqft · Built 1979 · 0.469 acres

Last Sale Tax Bill Prior Sale Owner Records
$725,000Nov 1999 $18,9822025 1 Name on Record AssessorUpdated Aug 2026

450 N Frederick Ave

2,160 sqft · Built 1984 · 0.409 acres

Last Sale Tax Bill Prior Sale Owner Records
$47,251,332Jun 2010 $32,4472025 1 Name on Record AssessorUpdated Aug 2026

453 N Frederick Ave

2,200 sqft · Built 1966 · 0.366 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,000,000Jan 2009 $15,8662025 1 Name on Record AssessorUpdated Aug 2026

455 N Frederick Ave

2,001 sqft · Built 1966 · 0.496 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,058,200Feb 2009 $21,3112025 1 Name on Record AssessorUpdated Aug 2026

457 N Frederick Ave

3,900 sqft · Built 1976 · 0.522 acres

Last Sale Tax Bill Prior Sale Owner Records
$480,000May 1992 $19,2102025 —Mar 2020 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

460 N Frederick Ave

207,587 sqft · Built 1990 · 16.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$944,1612025 1 Name on Record AssessorUpdated Aug 2026

465 N Frederick Ave

3,568 sqft · Built 1969 · 0.919 acres

Last Sale Tax Bill Prior Sale Owner Records
$405,000Dec 1991 $46,0682025 2 Names on Record AssessorUpdated Aug 2026

467 N Frederick Ave

9,728 sqft · Built 1970 · 0.739 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2016 $51,8822025 1 Name on Record AssessorUpdated Aug 2026

481 N Frederick Ave

59,431 sqft · Built 1978 · 2.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$52,5782025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

501 N Frederick Ave

55,473 sqft · Built 1979 · 2.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$81,4912025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

507 N Frederick Ave

7,752 sqft · Built 1967 · 0.741 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,950,000Dec 2014 $26,3862025 Amount on Record Jan 2005 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

509 N Frederick Ave

4,000 sqft · Built 1997 · 0.757 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,300,000Oct 1995 $64,4622025 1 Name on Record AssessorUpdated Aug 2026

600 N Frederick Ave

149,137 sqft · Built 1977 · 2.46 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,000,000Jan 2004 $216,1292025 1 Name on Record AssessorUpdated Aug 2026

605 N Frederick Ave

2,084 sqft · Built 1958 · 0.402 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Oct 1990 $10,4912025 1 Name on Record AssessorUpdated Aug 2026

607 N Frederick Ave

5,547 sqft · Built 1952 · 1.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$42,8392025 1 Name on Record AssessorUpdated Aug 2026

610 N Frederick Ave

118,439 sqft · Built 1992 · 9.62 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 1992 $298,4492025 1 Name on Record AssessorUpdated Aug 2026

613 N Frederick Ave

71,756 sqft · Built 1986 · 8.42 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,064,334Mar 2018 Amount on Record — 1 Name on Record AssessorUpdated Oct 2023

617 N Frederick Ave

20,808 sqft · Built 1995 · 1.97 acres

Last Sale Tax Bill Prior Sale Owner Records
$59,8272025 1 Name on Record AssessorUpdated Aug 2026

631 N Frederick Ave

5,218 sqft · Built 1980 · 0.526 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,157,400May 2013 $33,0732025 —Jul 1996 2 Names on Record AssessorUpdated Aug 2026

637 N Frederick Ave

3,987 sqft · Built 1981 · 0.428 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,350,000May 2023 $32,5072025 —Nov 1998 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

700 N Frederick Ave

788,360 sqft · Built 1966 · 43.9 acres

Last Sale Tax Bill Prior Sale Owner Records
$32,486,995Jan 2019 —Aug 2016 2 Names on Record Assessor + 3 DocumentsUpdated Oct 2023

800 N Frederick Ave

298,220 sqft · Built 2017 · 38.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$134,443,698Oct 2018 $1,877,3252025 Amount on Record Oct 2003 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

901 N Frederick Ave

33,167 sqft · Built 1970 · 6.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,621,771Oct 2001 $170,0862025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

903 N Frederick Ave

63,348 sqft · Built 1978 · 7.03 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2012 $201,3762025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

951 N Frederick Ave

21,640 sqft · Built 1981 · 1.38 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,500,000May 2015 1 Name on Record AssessorUpdated Oct 2023

953 N Frederick Ave

36,956 sqft · Built 1978 · 8.46 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2004 $207,4632025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

960 N Frederick Ave, #4

79,881 sqft · Built 2013 · 1.77 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$200,000Mar 2023 $149,5262025 Amount on Record Apr 2011 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

18519 N Frederick Ave

85,236 sqft · Built 1988 · 8.76 acres

Last Sale Tax Bill Prior Sale Owner Records
$261,800Feb 2000 $266,8512025 1 Name on Record AssessorUpdated Aug 2026

18645 N Frederick Ave

0.279 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2011 Amount on Record Mar 2000 1 Name on Record AssessorUpdated Oct 2023

18701 N Frederick Ave

5,485 sqft · Built 1930 · 0.75 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2001 Amount on Record Dec 1998 1 Name on Record AssessorUpdated Oct 2023

18705 N Frederick Ave

15,000 sqft · Built 1964 · 1.52 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,750,000Apr 2001 $8,2032025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

18707 N Frederick Ave

5,503 sqft · 0.73 acres

Last Sale Tax Bill Prior Sale Owner Records
$276,600Nov 2001 $4,6112025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

18715 N Frederick Ave

40,996 sqft · Built 1983 · 2.58 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,050,000Apr 2003 $3,9382025 1 Name on Record AssessorUpdated Aug 2026

18749 N Frederick Ave

15,400 sqft · Built 1990 · 2.38 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,600,000Feb 2005 $66,2562025 1 Name on Record AssessorUpdated Aug 2026

18753 N Frederick Ave

91,920 sqft · Built 2007 · 4.01 acres

Last Sale Tax Bill Prior Sale Owner Records
$262,5352025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

18757 N Frederick Ave

15,700 sqft · Built 1989 · 0.993 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,200,000Mar 1998 $3,5842025 1 Name on Record AssessorUpdated Aug 2026

18761 N Frederick Ave

84,000 sqft · Built 1984 · 2.61 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 1999 $151,8682025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

18775 N Frederick Ave

52,600 sqft · Built 1986 · 2.7 acres

Last Sale Tax Bill Prior Sale Owner Records
$9,161,062Jan 2026 $112,8732025 Amount on Record Jun 2017 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

19010 N Frederick Ave

2 ba · 780 sqft · 0.204 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$950,000Nov 2024 $1,6962025 Amount on Record May 2003 1 Name on Record AssessorUpdated Aug 2026

Wildfire Risk on N Frederick Ave

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

Wildfire RiskLow
this street's cells rank at the 3rd percentile of exposed land nationally · 6th in Maryland
Wildfire LikelihoodLow — less than 1 in 10,000 per year
ExposureDirect
2 of 20 cells directly exposed · 9 adjoin burnable vegetation

Property Records in Nearby Streets