1. Home
  2. New York
  3. Suffolk County
  4. Islip

Roosevelt Ave, Islip, NY Property Records

Suffolk County, Islip Town and East Hampton Town property records for 35 addresses on Roosevelt Ave, Islip, NY · Last verified August 2026

Roosevelt Ave Highlights

Properties 35
Median Sale Price $570,000
Deeds and Mortgages on File 40
Median Price per Sqft $369
Owner Occupied 86%
Median Annual Tax Bill $10,167
Median Year Built 1952
Median Ownership Tenure 6 years

Properties on Roosevelt Ave

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

3 Roosevelt Ave

1,008 sqft · Built 1962 · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$332,500Oct 2018 $10,5972024 Amount on Record Jan 2002 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

View Property Record

4 Roosevelt Ave

0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$630,000Jan 2024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

View Property Record

8 Roosevelt Ave

1,380 sqft · Built 1930 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$348,000Aug 2019 $10,9752024 Amount on Record May 2016 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

View Property Record

12 Roosevelt Ave

0.519 acres

Last Sale Tax Bill Prior Sale Owner Records
$420,000Apr 2005 $5,0082024 2 Names on Record AssessorUpdated Aug 2026

View Property Record

15 Roosevelt Ave

1,752 sqft · Built 1950 · 0.11 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$645,000Oct 2024 $12,5162024 Amount on Record Jun 2020 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

View Property Record

21 Roosevelt Ave

0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Names on Record Owner Occupied AssessorUpdated Aug 2026

View Property Record

28 Roosevelt Ave

1,228 sqft · Built 1930 · 0.11 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$390,000Aug 2022 $10,8172024 Amount on Record May 2008 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

View Property Record

32 Roosevelt Ave

0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$85,000May 1995 $9,6632024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

View Property Record

38 Roosevelt Ave

770 sqft · Built 1930 · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$325,000Feb 2020 $9,4332024 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

View Property Record

39 Roosevelt Ave

0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,1672024 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

View Property Record

40 Roosevelt Ave

0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$510,000Aug 2025 $10,5032024 Amount on Record Oct 1996 2 Names on Record Assessor + 3 DocumentsUpdated Aug 2026

View Property Record

42 Roosevelt Ave

0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,000Nov 1999 $10,3872024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

View Property Record

45 Roosevelt Ave

0.48 acres

Last Sale Tax Bill Prior Sale Owner Records
$625,000Jul 2026 $11,9902024 Amount on Record Jul 1998 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

View Property Record

48 Roosevelt Ave

0.23 acres

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

View Property Record

51 Roosevelt Ave

2,390 sqft · Built 1984 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$539,000Apr 2021 $14,3252024 Amount on Record Jan 2006 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

View Property Record

58 Roosevelt Ave

2,129 sqft · Built 1959 · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$140,000Aug 1993 $13,3972024 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

View Property Record

59 Roosevelt Ave

0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$123,500Jul 1996 $9,8842024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

View Property Record

64 Roosevelt Ave

0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$345,000Oct 2011 $11,4572024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

View Property Record

65 Roosevelt Ave

0.139 acres

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

View Property Record

71 Roosevelt Ave

1,250 sqft · Built 1947 · 0.31 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$505,000May 2023 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

View Property Record

88 Roosevelt Ave

1,632 sqft · Built 1952 · 0.28 acres · Garage

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

View Property Record

89 Roosevelt Ave

0.23 acres

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

View Property Record

94 Roosevelt Ave

0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$260,000May 2004 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

View Property Record

95 Roosevelt Ave

0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
2 Names on Record Owner Occupied AssessorUpdated Aug 2026

View Property Record

96 Roosevelt Ave

878 sqft · Built 1952 · 0.11 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$285,000Oct 2017 $9,6222024 Amount on Record Jan 2006 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

View Property Record

98 Roosevelt Ave

0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$98,750Nov 2017 $8,4032024 Amount on Record Jul 1998 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

View Property Record

113 Roosevelt Ave

1,410 sqft · Built 1952 · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$575,000Dec 2023 $10,1252024 Amount on Record Aug 2009 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

View Property Record

116 Roosevelt Ave

0.23 acres

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

View Property Record

117 Roosevelt Ave

0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$570,000Dec 2024 Amount on Record Aug 1993 1 Name on Record AssessorUpdated Aug 2026

View Property Record

122 Roosevelt Ave

0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,4832024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

View Property Record

123 Roosevelt Ave

1,260 sqft · Built 1948 · 0.11 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$465,000Jun 2021 $8,6072024 Amount on Record May 2013 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

View Property Record

128 Roosevelt Ave

1,582 sqft · Built 1940 · 0.13 acres

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

View Property Record

131 Roosevelt Ave

1,548 sqft · Built 1961 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$97,500Jan 2018 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

View Property Record

135 Roosevelt Ave

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$570,000Sep 2024 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

View Property Record

136 Roosevelt Ave

0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,6592024 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

View Property Record

Wildfire Risk on Roosevelt 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