Ontario, Olcott, NY Property Records

Niagara County and Newfane Town property records for 31 addresses on Ontario, Olcott, NY · Last verified August 2026

Ontario Highlights

Properties 31
Median Sale Price $75,000
Deeds and Mortgages on File 14
Median Price per Sqft $87
Owner Occupied 13%
Median Annual Tax Bill $2,621
Median Year Built 1930
Median Ownership Tenure 20 years

Properties on Ontario

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

5829 Ontario, #5839

5,250 sqft · built 1987 · 1.4 acres

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

5833 Ontario

3 bd · 2 ba · 3,056 sqft · built 1968 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,000Dec 2002 $6,2032025 Amount on Record May 2000 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

5838 Ontario

0.272 acres

Last Sale Tax Bill Prior Sale Owner Records
$55,000Jul 1998 $122025 1 Name on Record AssessorUpdated Apr 2026

5841 Ontario

2 bd · 1 ba · 858 sqft · built 1880 · 0.136 acres

Last Sale Tax Bill Prior Sale Owner Records
$75,000Jan 2024 $3,0012025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

5843 Ontario

0.181 acres

Last Sale Tax Bill Prior Sale Owner Records
$75,000Jan 2024 $3842025 1 Name on Record AssessorUpdated Apr 2026

5844 Ontario

2 bd · 1 ba · 1,087 sqft · built 1920 · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
$65,000Aug 2014 $2,4912025 Amount on Record Jul 2008 1 Name on Record AssessorUpdated Apr 2026

5845 Ontario, #5847

1 bd · 1 ba · 646 sqft · built 1930

Last Sale Tax Bill Prior Sale Owner Records
$75,000Jan 2024 $4,1122016 1 Name on Record AssessorUpdated Apr 2026

5849 Ontario

2 bd · 1.5 ba · 832 sqft · built 1960 · 0.175 acres

Last Sale Tax Bill Prior Sale Owner Records
$80,000Mar 1998 $4,6812025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

5850 Ontario

2 bd · 1 ba · 600 sqft · built 1946 · 0.081 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,6842025 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

5851 Ontario

2 bd · 1 ba · 1,548 sqft · built 1960 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,9252025 1 Name on Record AssessorUpdated Apr 2026

5853 Ontario

2 bd · 1.5 ba · 1,200 sqft · built 1980 · 0.159 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Mar 1998 $4,6812025 Amount on Record Apr 1994 2 Names on Record AssessorUpdated Apr 2026

5854 Ontario

2 bd · 1 ba · 766 sqft · built 1910 · 0.064 acres

Last Sale Tax Bill Prior Sale Owner Records
$64,500Aug 2011 $2,2052025 Amount on Record Jun 2004 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

5856 Ontario

2 bd · 1 ba · 760 sqft · built 1920 · 0.086 acres

Last Sale Tax Bill Prior Sale Owner Records
$50,000Jun 2006 $2,6212025 1 Name on Record AssessorUpdated Apr 2026

5857 Ontario

2 bd · 1 ba · 1,875 sqft · built 1900 · 0.134 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,0292025 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

5858 Ontario

2 bd · 1 ba · 1,040 sqft · built 1890 · 0.097 acres

Last Sale Tax Bill Prior Sale Owner Records
$120,000Nov 2019 $2,3352025 Amount on Record Dec 2012 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

5859 Ontario

2 bd · 1 ba · 1,195 sqft · built 1910 · 0.225 acres

Last Sale Tax Bill Prior Sale Owner Records
$75,000Oct 1998 $4,5622025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

5860 Ontario

3 bd · 1.5 ba · 1,008 sqft · built 1930 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,4152025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

5861 Ontario

3 bd · 1.5 ba · 1,372 sqft · built 1956 · 0.105 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,6202025 2 Names on Record AssessorUpdated Apr 2026

5863 Ontario

6 bd · 2 ba · 1,904 sqft · built 1920 · 0.104 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,9412025 2 Names on Record AssessorUpdated Apr 2026

5864 Ontario

0.124 acres

Last Sale Tax Bill Prior Sale Owner Records
$30,000Oct 2006 $6352025 Amount on Record Sep 2002 1 Name on Record AssessorUpdated Apr 2026

5867 Ontario

5 bd · 3 ba · 2,784 sqft · built 1890 · 0.093 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,3942025 2 Names on Record AssessorUpdated Apr 2026

5952 Ontario

0.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$118,000Apr 1999 $82025 1 Name on Record AssessorUpdated Apr 2026

5955 Ontario

3,456 sqft · built 1993 · 0.431 acres

Last Sale Tax Bill Prior Sale Owner Records
$2632025 1 Name on Record AssessorUpdated Apr 2026

5966 Ontario

1 bd · 1 ba · 528 sqft · built 1940 · 0.125 acres

Last Sale Tax Bill Prior Sale Owner Records
$36,000Oct 2006 $1,7002025 1 Name on Record AssessorUpdated Apr 2026

5971 Ontario

3 bd · 2 ba · 1,596 sqft · built 1930 · 0.121 acres

Last Sale Tax Bill Prior Sale Owner Records
$110,000Sep 2006 $5,3202025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

5974 Ontario

0.029 acres

Last Sale Tax Bill Prior Sale Owner Records
$25,000Feb 2003 $12025 1 Name on Record AssessorUpdated Apr 2026

5975 Ontario

3 bd · 1 ba · 873 sqft · built 1930 · 0.127 acres

Last Sale Tax Bill Prior Sale Owner Records
$21,000Aug 2012 $2,5792025 Amount on Record Oct 2001 2 Names on Record Assessor + 1 DocumentUpdated Apr 2026

5976 Ontario

680 sqft · built 2003 · 0.029 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,000Nov 2001 $2,9132025 Amount on Record Jan 1999 2 Names on Record AssessorUpdated Apr 2026

5977 Ontario

2 bd · 2 ba · 1,264 sqft · built 1930 · 0.132 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,000Oct 2024 $3,1382025 2 Names on Record Assessor + 1 DocumentUpdated Apr 2026

5980 Ontario

0.078 acres

Last Sale Tax Bill Prior Sale Owner Records
$42025 1 Name on Record AssessorUpdated Apr 2026

5982 Ontario

0.047 acres

Last Sale Tax Bill Prior Sale Owner Records
$38,500Feb 2003 $22025 Amount on Record Jul 1995 1 Name on Record AssessorUpdated Apr 2026

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