Belmont Ave, Plainview, NY Property Records

Nassau County and Oyster Bay Town property records for 63 addresses on Belmont Ave, Plainview, NY · Last verified August 2026

Belmont Ave Highlights

Properties 63
Median Sale Price $825,000
Deeds and Mortgages on File 59
Median Price per Sqft $378
Owner Occupied 87%
Median Annual Tax Bill $16,725
Median Year Built 1970
Median Ownership Tenure 13 years

Properties on Belmont Ave

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

1 Belmont Ave, #A

2 ba · 2,176 sqft · built 1980 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$605,000Feb 2021 $16,6652025 Amount on Record Apr 2017 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

2 Belmont Ave

3 ba · 2,144 sqft · built 1983 · 0.215 acres

Last Sale Tax Bill Prior Sale Owner Records
$511,000Oct 2003 $16,3142025 Amount on Record Apr 1995 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

2 Belmont Ave, #A

4 ba · 2,450 sqft · built 1983 · 0.211 acres

Last Sale Tax Bill Prior Sale Owner Records
$17,8212025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

4 Belmont Ave, #A

5 bd · 4 ba · 2,144 sqft · built 1983 · 0.225 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2024 $18,1822025 Amount on Record Feb 2016 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

7 Belmont Ave

2.5 ba · 2,234 sqft · built 1979 · 0.161 acres

Last Sale Tax Bill Prior Sale Owner Records
$520,000Sep 2018 $17,3622025 Amount on Record Sep 2001 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

8 Belmont Ave

3 ba · 2,144 sqft · built 1983 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$16,2742025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

9 Belmont Ave

4.5 ba · 3,903 sqft · built 2021 · 0.605 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,349,000Jun 2022 $19,2352025 Amount on Record Apr 2021 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

12 Belmont Ave

2.5 ba · 2,372 sqft · built 1987 · 0.198 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,0292025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

14 Belmont Ave

3.5 ba · 2,372 sqft · built 1987 · 0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
$657,000Nov 2006 $16,4692025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

15 Belmont Ave

5 bd · 2 ba · 1,750 sqft · built 1961 · 0.457 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2012 $15,3372025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

16 Belmont Ave

3 ba · 2,144 sqft · built 1987 · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
$450,000Jan 2019 $10,6052025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

17 Belmont Ave

3 ba · 1,556 sqft · built 1954 · 0.457 acres

Last Sale Tax Bill Prior Sale Owner Records
$705,000Dec 2020 $15,2132025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

18 Belmont Ave

2 ba · 1,764 sqft · built 1965 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,2802025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

19 Belmont Ave

2.5 ba · 1,822 sqft · built 1966 · 0.455 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,4762025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

20 Belmont Ave

2 ba · 1,764 sqft · built 1965 · 0.173 acres

Last Sale Tax Bill Prior Sale Owner Records
$500,000Jun 2006 $15,3642025 Amount on Record Jan 2005 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

21 Belmont Ave

2 ba · 1,674 sqft · built 1934 · 0.455 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,8952025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

22 Belmont Ave

2 ba · 1,914 sqft · built 1965 · 0.162 acres

Last Sale Tax Bill Prior Sale Owner Records
$415,000Sep 2008 $13,1592025 —May 2007 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

24 Belmont Ave

1.5 ba · 1,508 sqft · built 1966 · 0.207 acres

Last Sale Tax Bill Prior Sale Owner Records
$346,000May 2004 $14,1922025 —May 2004 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

24 Belmont Ave, #A

4.5 ba · 2,515 sqft · built 1989 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,0182025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

24 Belmont Ave, #C

4 ba · 1,940 sqft · built 1989 · 0.227 acres

Last Sale Tax Bill Prior Sale Owner Records
$735,000Aug 2022 $15,9112025 Amount on Record May 2017 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

26 Belmont Ave

3 ba · 3,052 sqft · built 1963 · 0.197 acres

Last Sale Tax Bill Prior Sale Owner Records
$215,000Jul 1995 $18,3392025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

27 Belmont Ave

2 ba · 1,696 sqft · built 1971 · 0.164 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,9722025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

28 Belmont Ave

2 ba · 1,352 sqft · built 1954 · 0.164 acres

Last Sale Tax Bill Prior Sale Owner Records
$235,000Jul 1998 $15,2482025 Amount on Record Jan 1997 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

29 Belmont Ave

1 ba · 2,368 sqft · built 1913 · 0.453 acres

Last Sale Tax Bill Prior Sale Owner Records
$325,000Jun 2002 $18,0442025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

30 Belmont Ave

3 ba · 3,090 sqft · built 1998 · 0.568 acres

Last Sale Tax Bill Prior Sale Owner Records
$21,7852025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

31 Belmont Ave

2.5 ba · 2,480 sqft · built 1995 · 0.198 acres

Last Sale Tax Bill Prior Sale Owner Records
$710,000Jul 2016 $20,7962025 Amount on Record Jul 1995 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

31 Belmont Ave, #A

1.5 ba · 1,100 sqft · built 1974 · 0.255 acres

Last Sale Tax Bill Prior Sale Owner Records
$675,000Aug 2022 $13,9482025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

32 Belmont Ave

2.5 ba · 1,593 sqft · built 1958 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
$569,000Aug 2005 $15,6042025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

33 Belmont Ave, #A

3 ba · 2,602 sqft · built 1999 · 0.229 acres

Last Sale Tax Bill Prior Sale Owner Records
$419,000Sep 2001 $16,8442025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

33 Belmont Ave, #B

2 ba · 1,515 sqft · built 1916 · 0.221 acres

Last Sale Tax Bill Prior Sale Owner Records
$630,000Jan 2020 $12,1422025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

35 Belmont Ave

2.5 ba · 1,593 sqft · built 1959 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$505,000Apr 2014 $15,1292025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

38 Belmont Ave

3 bd · 3 ba · 1,679 sqft · built 1958 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$455,000Jun 2013 $15,5202025 Amount on Record Dec 2001 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

39 Belmont Ave

3 bd · 1.5 ba · 1,412 sqft · built 1958 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$480,000Jun 2013 $14,2642025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

45 Belmont Ave

2.5 ba · 1,679 sqft · built 1957 · 0.173 acres

Last Sale Tax Bill Prior Sale Owner Records
$560,000Jul 2019 $16,4412025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

53 Belmont Ave

2 ba · 1,608 sqft · built 1942 · 0.234 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,1252025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

55 Belmont Ave

2.5 ba · 1,938 sqft · built 1958 · 0.301 acres

Last Sale Tax Bill Prior Sale Owner Records
$640,000Oct 2017 $22,3802025 —Jul 1998 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

56 Belmont Ave

4 bd · 2.5 ba · 2,852 sqft · built 2013 · 0.219 acres

Last Sale Tax Bill Prior Sale Owner Records
$755,000Aug 2013 $26,0192025 —Aug 2013 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

57 Belmont Ave

2.5 ba · 2,172 sqft · built 1954 · 0.184 acres

Last Sale Tax Bill Prior Sale Owner Records
$377,500Apr 2000 $20,9132025 —Jul 1998 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

57 Belmont Ave, #A

2.5 ba · 2,203 sqft · built 1998 · 0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$443,000Jan 2002 $20,6732025 Amount on Record May 1999 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

58 Belmont Ave

3.5 ba · 3,492 sqft · built 2020 · 0.299 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,202,290Oct 2020 $13,1582025 Amount on Record Aug 2019 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

59 Belmont Ave

2.5 ba · 2,216 sqft · built 1998 · 0.222 acres

Last Sale Tax Bill Prior Sale Owner Records
$348,000Apr 1999 $21,3292025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

60 Belmont Ave

3 bd · 3 ba · 3,713 sqft · built 2022 · 0.163 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,500,000Jan 2023 $17,9622025 Amount on Record Sep 2021 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

61 Belmont Ave

1.5 ba · 1,527 sqft · built 1953 · 0.47 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2013 $16,7252025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

62 Belmont Ave

3.5 ba · 3,734 sqft · built 2018 · 0.405 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,375,000Jun 2019 $22,2472025 Amount on Record Dec 2017 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

63 Belmont Ave

1 ba · 993 sqft · built 1929 · 0.49 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,8942025 2 Names on Record Assessor + 1 DocumentUpdated Jun 2026

64 Belmont Ave

2 ba · 2,634 sqft · built 1960 · 0.405 acres

Last Sale Tax Bill Prior Sale Owner Records
$262,500Sep 1997 $20,2992025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

65 Belmont Ave

2.5 ba · 1,593 sqft · built 1958 · 0.175 acres

Last Sale Tax Bill Prior Sale Owner Records
$852,000Jul 2024 $18,5042025 Amount on Record Mar 2024 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

65 Belmont Ave, #A

3 ba · 2,637 sqft · built 1992 · 0.191 acres

Last Sale Tax Bill Prior Sale Owner Records
$21,5042025 2 Names on Record AssessorUpdated Jun 2026

66 Belmont Ave

3 ba · 2,770 sqft · built 1960 · 0.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$930,000Mar 2024 $19,2802025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

67 Belmont Ave

3.5 ba · 2,354 sqft · built 1958 · 0.175 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2008 $21,6562025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

67 Belmont Ave, #A

2.5 ba · 2,735 sqft · built 1992 · 0.19 acres

Last Sale Tax Bill Prior Sale Owner Records
$825,000Sep 2022 $22,2172025 Amount on Record Jun 2021 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

68 Belmont Ave

1 ba · 1,103 sqft · built 1950 · 0.241 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,1192025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

68 Belmont Ave, #A

2.5 ba · 1,930 sqft · built 1972 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$560,000Jul 2004 $20,2272025 Amount on Record Jul 2001 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

69 Belmont Ave

2.5 ba · 2,093 sqft · built 1963 · 0.39 acres

Last Sale Tax Bill Prior Sale Owner Records
$635,000Jan 2007 $19,4252025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

70 Belmont Ave

2.5 ba · 2,052 sqft · built 1969 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,6472025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

71 Belmont Ave

3 ba · 3,176 sqft · built 2014 · 0.226 acres

Last Sale Tax Bill Prior Sale Owner Records
$900,000Dec 2014 $27,5342025 Amount on Record Apr 2013 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

73 Belmont Ave

4 ba · 2,316 sqft · built 1990 · 0.32 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Mar 1994 $21,0582025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

74 Belmont Ave

4 bd · 2.5 ba · 2,414 sqft · built 1970 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$533,000Apr 2013 $23,3462025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

77 Belmont Ave

2.5 ba · 3,176 sqft · built 1992 · 0.192 acres

Last Sale Tax Bill Prior Sale Owner Records
$23,7582025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

78 Belmont Ave

1.5 ba · 1,580 sqft · built 1939 · 0.229 acres

Last Sale Tax Bill Prior Sale Owner Records
$16,3062025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

78 Belmont Ave, #A

3 ba · 2,122 sqft · built 1984 · 0.111 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2012 $17,6132025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

79 Belmont Ave

4 ba · 4,108 sqft · built 1995 · 0.276 acres

Last Sale Tax Bill Prior Sale Owner Records
$29,5542025 1 Name on Record Assessor + 2 DocumentsUpdated Jun 2026

81 Belmont Ave

2.5 ba · 2,147 sqft · built 1970 · 0.151 acres

Last Sale Tax Bill Prior Sale Owner Records
$471,000May 2013 $17,7652025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

Wildfire Risk on Belmont Ave

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

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

Property Records in Nearby Streets