Barnum Ave, Plainview, NY Property Records

Nassau County and Oyster Bay Town property records for 70 addresses on Barnum Ave, Plainview, NY · Last verified August 2026

Barnum Ave Highlights

Properties 70
Median Sale Price $800,000
Deeds and Mortgages on File 53
Median Price per Sqft $383
Owner Occupied 94%
Median Annual Tax Bill $15,688
Median Year Built 1962
Median Ownership Tenure 13 years

Properties on Barnum Ave

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

1 Barnum Ave

3 bd · 2 ba · 1,780 sqft · 0.196 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$570,000Jun 2014 $14,3872025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

3 Barnum Ave

2 ba · 1,640 sqft · 0.199 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$660,000Mar 2022 $13,2592025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

5 Barnum Ave

3 ba · 2,048 sqft · 0.198 acres

Last Sale Tax Bill Prior Sale Owner Records
$474,000Sep 2016 $16,0502025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

6 Barnum Ave

3 bd · 2.5 ba · 2,360 sqft · 0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$478,950Jul 2013 $17,3902025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

7 Barnum Ave

2 ba · 1,588 sqft · 0.17 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$535,000Jun 2009 $12,7962025 Amount on Record Feb 2004 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

9 Barnum Ave

2 ba · 1,648 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$13,1352025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

10 Barnum Ave

2 ba · 1,588 sqft · 0.166 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$481,500Aug 2019 $15,6882025 —Apr 1996 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

11 Barnum Ave

2 ba · 1,556 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$12,6572025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12 Barnum Ave

1.5 ba · 1,600 sqft · 0.169 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$1,050,000Jan 2026 $16,8042025 Amount on Record Sep 2024 2 Names on Record Assessor + 1 DocumentUpdated Jun 2026

13 Barnum Ave

3 bd · 3 ba · 1,694 sqft · 0.16 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$395,000Jul 2003 $14,0802025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

15 Barnum Ave

2.5 ba · 2,759 sqft · 0.222 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$395,000Dec 2001 $17,8092025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

16 Barnum Ave

3 ba · 1,472 sqft · 0.176 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$504,500Oct 2007 $13,7062025 Amount on Record Aug 1999 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

17 Barnum Ave

1.5 ba · 1,242 sqft · 0.208 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$388,500Sep 2013 $11,7632025 —Jan 2013 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

18 Barnum Ave

1.5 ba · 1,612 sqft · 0.154 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$350,000Aug 2000 $16,4412025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

19 Barnum Ave

1.5 ba · 1,675 sqft · 0.208 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$719,000Mar 2018 $9,7722025 —Dec 2010 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

20 Barnum Ave

3 bd · 3 ba · 1,468 sqft · 0.154 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$479,000Jan 2016 $15,6082025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

21 Barnum Ave

2.5 ba · 2,208 sqft · 0.179 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$250,000Nov 1996 $17,1792025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

21 Barnum Ave, #A

4 ba · 2,730 sqft · 0.321 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$800,000Apr 2021 $19,7912025 Amount on Record Sep 2015 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

22 Barnum Ave

2.5 ba · 1,468 sqft · 0.176 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$591,550Mar 2021 $16,0502025 Amount on Record Jan 2001 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

23 Barnum Ave

3 bd · 2 ba · 1,194 sqft · 0.179 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$400,000Jun 2016 $13,5682025 Amount on Record Jul 2005 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

23 Barnum Ave, #A

3 ba · 2,226 sqft · 0.266 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$390,000Jan 2002 $15,7432025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

25 Barnum Ave

2.5 ba · 2,176 sqft · 0.19 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2005 $14,8362025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

25 Barnum Ave, #A

3.5 ba · 2,155 sqft · 0.32 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$815,000Mar 2021 $22,0522025 Amount on Record Nov 2016 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

26 Barnum Ave

1.5 ba · 1,530 sqft · 0.167 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$213,500Nov 1995 $13,6622025 —Aug 1997 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

27 Barnum Ave

4 bd · 3 ba · 2,336 sqft · 0.204 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$810,000Aug 2021 $16,6652025 Amount on Record Aug 2015 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

28 Barnum Ave

1 ba · 1,178 sqft · 0.2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$195,000Feb 1997 $12,9522025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

28 Barnum Ave, #A

3 ba · 2,409 sqft · 0.29 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$440,000Jun 2017 $16,4412025 Amount on Record Jun 1996 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

29 Barnum Ave

1 ba · 1,200 sqft · 0.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$10,8562025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

29 Barnum Ave, #A

2 ba · 1,807 sqft · 0.507 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2005 $12,5432025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

30 Barnum Ave

3 bd · 1 ba · 1,126 sqft · 0.2 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$390,000Apr 2013 $13,2152025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

30 Barnum Ave, #A

2 ba · 1,589 sqft · 0.294 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$12,4012025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

31 Barnum Ave

2 ba · 1,391 sqft · 0.216 acres

Last Sale Tax Bill Prior Sale Owner Records
$189,900Oct 1997 $12,4052025 —Nov 1995 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

31 Barnum Ave, #A

2 ba · 1,807 sqft · 0.244 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$721,500Dec 2022 $13,6062025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

32 Barnum Ave

2 ba · 2,150 sqft · 0.2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$560,000Jun 2004 $14,7662025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

32 Barnum Ave, #A

3.5 ba · 2,383 sqft · 0.289 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—May 2016 $18,2842025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

33 Barnum Ave

4 bd · 3.5 ba · 3,733 sqft · 0.465 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$480,000Aug 2004 $21,4662025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

34 Barnum Ave

4 bd · 2.5 ba · 2,626 sqft · 0.2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$670,000Nov 2007 $18,0042025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

34 Barnum Ave, #A

2 ba · 1,584 sqft · 0.29 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$456,000Jun 2021 $16,2742025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

35 Barnum Ave

2.5 ba · 1,841 sqft · 0.25 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$650,000Aug 2022 $16,9442025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

38 Barnum Ave

1 ba · 1,053 sqft · 0.492 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$450,000Apr 2006 $11,4012025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

39 Barnum Ave

3.5 ba · 2,178 sqft · 0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
$14,8342025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

41 Barnum Ave

2 ba · 2,624 sqft · 0.343 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$925,000Nov 2022 $18,5912025 Amount on Record Sep 1996 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

43 Barnum Ave

1.5 ba · 1,742 sqft · 0.103 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$319,000Apr 1999 $13,8442025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

44 Barnum Ave

1.5 ba · 2,017 sqft · 0.211 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$400,000Aug 2002 $15,2972025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

45 Barnum Ave

1.5 ba · 1,742 sqft · 0.159 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,7772025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

46 Barnum Ave

2.5 ba · 2,049 sqft · 0.16 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$16,7552025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

47 Barnum Ave

2 ba · 1,531 sqft · 0.161 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$945,000Dec 2025 $17,6732025 Amount on Record Nov 2022 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

48 Barnum Ave

1.5 ba · 1,892 sqft · 0.142 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$10,7612025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

49 Barnum Ave

1.5 ba · 1,491 sqft · 0.182 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Mar 1996 $14,3142025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

52 Barnum Ave

1 ba · 1,358 sqft · 0.186 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,4962025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

53 Barnum Ave

1.5 ba · 2,785 sqft · 0.182 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$950,000Mar 2022 $20,3162025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

54 Barnum Ave, #A

2 ba · 1,874 sqft · 0.273 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$510,000Jul 2017 $17,6432025 Amount on Record Sep 2000 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

56 Barnum Ave

4 bd · 2.5 ba · 2,674 sqft · 0.157 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$795,000Aug 2006 $21,8312025 Amount on Record Oct 2005 2 Names on Record Assessor + 2 DocumentsUpdated Jun 2026

56 Barnum Ave, #A

2 ba · 2,054 sqft · 0.273 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$490,000May 2010 $17,5832025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

57 Barnum Ave

3.5 ba · 2,346 sqft · 0.462 acres

Last Sale Tax Bill Prior Sale Owner Records
$222,000Sep 1996 $20,2892025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

58 Barnum Ave

3 ba · 2,648 sqft · 0.22 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Jun 1999 $22,9922025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

60 Barnum Ave

2 ba · 1,802 sqft · 0.189 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$18,0732025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

60 Barnum Ave, #A

2 ba · 1,779 sqft · 0.275 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$17,6732025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

61 Barnum Ave

2 ba · 2,044 sqft · 0.253 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$18,4152025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

63 Barnum Ave

3 ba · 1,824 sqft · 0.252 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$700,000Feb 2023 $15,5932025 Amount on Record Sep 2001 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

63 Barnum Ave, #A

3 ba · 1,824 sqft · 0.244 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$780,001Jul 2022 $18,5932025 Amount on Record Nov 2009 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

64 Barnum Ave

4 bd · 3 ba · 2,998 sqft · 0.192 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$853,000Jan 2018 $25,2762025 Amount on Record Jan 2016 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

64 Barnum Ave, #A

4 ba · 2,565 sqft · 0.265 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$25,3662025 1 Name on Record AssessorUpdated Jun 2026

65 Barnum Ave

2.5 ba · 2,713 sqft · 0.189 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$620,000Apr 2017 $24,1772025 Amount on Record Aug 2004 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

66 Barnum Ave

4 ba · 3,377 sqft · 0.456 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$400,000Dec 2000 $25,9272025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

69 Barnum Ave

1.5 ba · 1,227 sqft · 0.203 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$180,700Jan 1994 $13,6062025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

71 Barnum Ave

3.5 ba · 2,271 sqft · 0.301 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$13,4052025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

73 Barnum Ave

2 ba · 1,750 sqft · 0.287 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$13,1502025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

75 Barnum Ave

2 ba · 1,688 sqft · 0.16 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$164,200Jul 1993 $14,7952025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

80 Barnum Ave

2 bd · 1 ba · 98,160 sqft · 2.73 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Jun 2026

Wildfire Risk on Barnum 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 of burnable land

Property Records in Nearby Streets