Hillside Ave, Sag Harbor, NY Property Records

Suffolk County and Southampton Town property records for 10 addresses on Hillside Ave, Sag Harbor, NY · Last verified August 2026

Hillside Ave Highlights

Properties 10
Median Sale Price $450,000
Deeds and Mortgages on File 6
Median Price per Sqft $225
Owner Occupied 90%
Median Annual Tax Bill $6,068
Median Year Built 1994
Median Ownership Tenure 22 years

Properties on Hillside Ave

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

9 Hillside Ave

3 bd · 2 ba · 1,248 sqft · built 1991 · 0.569 acres

Last Sale Tax Bill Prior Sale Owner Records
$213,000Feb 2000 Owner on Record Owner Occupied AssessorUpdated Jul 2026

14 Hillside Ave

5 bd · 2 ba · 3,224 sqft · built 2008 · 0.58 acres

Last Sale Tax Bill Prior Sale Owner Records
$415,000Feb 2001 $8,5932024 Owner on Record Owner Occupied AssessorUpdated Aug 2026

15 Hillside Ave

3 bd · 2 ba · 1,152 sqft · built 1991 · 0.569 acres

Last Sale Tax Bill Prior Sale Owner Records
$170,000Feb 1994 $5,2072024 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

26 Hillside Ave

4 bd · 2 ba · 2,184 sqft · built 1994 · 0.63 acres

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

27 Hillside Ave

3 bd · 3.5 ba · 1,654 sqft · built 2004 · 0.339 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,625,000Aug 2022 $5,6212024 Amount on Record Jan 2003 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

32 Hillside Ave

5 bd · 3 ba · 2,380 sqft · built 2003 · 0.51 acres

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

42 Hillside Ave

4 bd · 2 ba · 1,468 sqft · built 1991 · 0.63 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Owner Occupied AssessorUpdated Jul 2026

45 Hillside Ave

3 bd · 2 ba · 1,645 sqft · built 1994 · 0.569 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,225,000Sep 2020 2 Owners on Record Assessor + 1 DocumentUpdated Aug 2026

48 Hillside Ave

3 bd · 2 ba · 1,998 sqft · built 2001 · 0.589 acres

Last Sale Tax Bill Prior Sale Owner Records
$450,000Feb 2004 $6,0682024 Amount on Record Dec 1999 Owner on Record Owner Occupied AssessorUpdated Aug 2026

51 Hillside Ave

3 bd · 2 ba · 1,596 sqft · built 1994 · 0.58 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Owner Occupied AssessorUpdated May 2026

Property Records in Nearby Streets