S Keystone Ave, Upper Darby, PA Property Records

Delaware County property records for 73 addresses on S Keystone Ave, Upper Darby, PA · Last verified August 2026

S Keystone Ave Highlights

Properties 73
Median Sale Price $190,000
Deeds and Mortgages on File 63
Median Price per Sqft $103
Owner Occupied 90%
Median Annual Tax Bill $5,151
Median Year Built 1930
Median Ownership Tenure 20 years

Properties on S Keystone Ave

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

45 S Keystone Ave

3 bd · 1 ba · 1,598 sqft · built 1920 · 0.041 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,7072026 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

46 S Keystone Ave

3 bd · 1.5 ba · 1,465 sqft · built 1926 · 0.055 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,230Sep 2021 $4,5592026 —Oct 1975 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

47 S Keystone Ave

3 bd · 1.5 ba · 1,598 sqft · built 1920 · 0.057 acres

Last Sale Tax Bill Prior Sale Owner Records
$160,000Jul 2019 $4,8612026 Amount on Record Feb 2019 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

48 S Keystone Ave

3 bd · 1.5 ba · 1,598 sqft · built 1920 · 0.073 acres

Last Sale Tax Bill Prior Sale Owner Records
$62,000Aug 2013 $4,9012026 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

50 S Keystone Ave

4 bd · 1 ba · 1,708 sqft · built 1920 · 0.117 acres

Last Sale Tax Bill Prior Sale Owner Records
$117,000Oct 1990 $5,0402026 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

54 S Keystone Ave

3 bd · 3.5 ba · 2,234 sqft · built 1913 · 0.126 acres

Last Sale Tax Bill Prior Sale Owner Records
$120,000Aug 2018 $6,6892026 Amount on Record May 2014 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

56 S Keystone Ave

3 bd · 1 ba · 1,613 sqft · built 1930 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$35,500Apr 1983 $4,7532026 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

84 S Keystone Ave

3 bd · 1.5 ba · 1,565 sqft · built 1920 · 0.053 acres

Last Sale Tax Bill Prior Sale Owner Records
$152,000Apr 2020 $5,0892026 Amount on Record Feb 1985 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

85 S Keystone Ave

4 bd · 2.5 ba · 1,400 sqft · built 1920 · 0.085 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,625Sep 2022 $5,7022026 —Sep 1996 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

86 S Keystone Ave

3 bd · 1 ba · 1,757 sqft · built 1920 · 0.055 acres

Last Sale Tax Bill Prior Sale Owner Records
$155,000Jun 2006 $5,2392026 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

88 S Keystone Ave

3 bd · 1.5 ba · 1,886 sqft · built 1920 · 0.055 acres

Last Sale Tax Bill Prior Sale Owner Records
$268,000Sep 2025 $5,1512026 Amount on Record Aug 2012 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

89 S Keystone Ave

4 bd · 1 ba · 1,721 sqft · built 1920 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$62,000Aug 2013 $5,0412026 Amount on Record Nov 2002 1 Name on Record AssessorUpdated Jun 2026

90 S Keystone Ave

3 bd · 1.5 ba · 1,517 sqft · built 1920 · 0.048 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,7262026 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

91 S Keystone Ave

4 bd · 1.5 ba · 1,777 sqft · built 1915 · 0.107 acres

Last Sale Tax Bill Prior Sale Owner Records
$230,000Mar 2024 $5,2612026 Amount on Record Jun 2005 2 Names on Record Assessor + 1 DocumentUpdated Jun 2026

92 S Keystone Ave

3 bd · 1.5 ba · 1,705 sqft · built 1920 · 0.053 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Oct 1998 $4,9952026 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

93 S Keystone Ave

4 bd · 1.5 ba · 1,926 sqft · built 1915 · 0.098 acres

Last Sale Tax Bill Prior Sale Owner Records
$146,000Apr 2019 $5,0842026 —Jan 1974 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

94 S Keystone Ave

3 bd · 1.5 ba · 1,657 sqft · built 1920 · 0.048 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,8362026 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

95 S Keystone Ave

3 bd · 1 ba · 1,750 sqft · built 1910 · 0.073 acres

Last Sale Tax Bill Prior Sale Owner Records
$153,500Aug 2006 $5,1192026 Amount on Record Jan 2001 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

96 S Keystone Ave

3 bd · 1.5 ba · 1,657 sqft · built 1920 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$110,000Apr 2014 $4,9732026 Amount on Record May 2010 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

97 S Keystone Ave

4 bd · 1.5 ba · 1,664 sqft · built 1910 · 0.073 acres

Last Sale Tax Bill Prior Sale Owner Records
$129,900Mar 2007 $5,0672026 Amount on Record Jun 1997 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

98 S Keystone Ave

3 bd · 1.5 ba · 1,517 sqft · built 1920 · 0.044 acres

Last Sale Tax Bill Prior Sale Owner Records
$56,250Sep 1999 $4,7112026 —Aug 1999 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

105 S Keystone Ave

4 bd · 1 ba · 1,618 sqft · built 1930 · 0.073 acres

Last Sale Tax Bill Prior Sale Owner Records
$69,000Nov 2004 $4,9702026 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

107 S Keystone Ave

3 bd · 1 ba · 1,618 sqft · built 1930 · 0.058 acres

Last Sale Tax Bill Prior Sale Owner Records
$110,000Sep 2014 $4,7542026 Amount on Record Nov 2011 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

109 S Keystone Ave

4 bd · 1 ba · 1,605 sqft · built 1930 · 0.042 acres

Last Sale Tax Bill Prior Sale Owner Records
$62,000Nov 1998 $4,6922026 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

111 S Keystone Ave

4 bd · 2 ba · 1,605 sqft · built 1904 · 0.044 acres

Last Sale Tax Bill Prior Sale Owner Records
$52,000Jun 2017 $5,1902026 1 Name on Record Assessor + 3 DocumentsUpdated Mar 2026

113 S Keystone Ave

3 bd · 1.5 ba · 1,722 sqft · built 1930 · 0.044 acres

Last Sale Tax Bill Prior Sale Owner Records
$61,000Oct 2001 $4,9522026 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

115 S Keystone Ave

4 bd · 1.5 ba · 1,661 sqft · built 1930 · 0.042 acres

Last Sale Tax Bill Prior Sale Owner Records
$74,900Jun 2001 $4,7802026 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

117 S Keystone Ave

3 bd · 1 ba · 1,550 sqft · built 1930 · 0.042 acres

Last Sale Tax Bill Prior Sale Owner Records
$75,500Feb 2000 $4,6052026 —May 1997 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

119 S Keystone Ave

4 bd · 1.5 ba · 1,783 sqft · built 1930 · 0.044 acres

Last Sale Tax Bill Prior Sale Owner Records
$140,000Sep 2020 $5,0252026 Amount on Record Oct 2017 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

121 S Keystone Ave

3 bd · 1 ba · 1,513 sqft · built 1930 · 0.041 acres

Last Sale Tax Bill Prior Sale Owner Records
$140,000Jun 2005 $4,5992026 Amount on Record Apr 2001 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

123 S Keystone Ave

4 bd · 1 ba · 1,663 sqft · built 1930 · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
$94,500Sep 2004 $4,7952026 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

125 S Keystone Ave

4 bd · 2 ba · 1,663 sqft · built 1930 · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,200Nov 2006 $4,5952026 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

127 S Keystone Ave

4 bd · 1.5 ba · 1,673 sqft · built 1930 · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
$136,000May 2019 $5,6322026 Amount on Record Feb 2019 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

129 S Keystone Ave

3 bd · 1 ba · 1,296 sqft · built 1930 · 0.046 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000May 2026 $4,5002026 Amount on Record Jun 2025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

131 S Keystone Ave

4 bd · 1.5 ba · 1,530 sqft · built 1930 · 0.048 acres

Last Sale Tax Bill Prior Sale Owner Records
$75,000Oct 2017 $4,7032026 Amount on Record Jul 2017 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

133 S Keystone Ave

3 bd · 1.5 ba · 1,528 sqft · built 1930 · 0.044 acres

Last Sale Tax Bill Prior Sale Owner Records
$134,500Oct 2004 $4,6242026 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

135 S Keystone Ave

4 bd · 1.5 ba · 1,528 sqft · built 1930 · 0.044 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,000Jun 2023 $4,6252026 Amount on Record Nov 2010 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

137 S Keystone Ave

4 bd · 1 ba · 1,834 sqft · built 1928 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$190,000Jan 2022 $4,9392026 Amount on Record May 2007 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

139 S Keystone Ave

3 bd · 1 ba · 1,740 sqft · built 1928 · 0.041 acres

Last Sale Tax Bill Prior Sale Owner Records
$59,000Jun 2002 $4,8642026 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

141 S Keystone Ave

4 bd · 1 ba · 1,802 sqft · built 1928 · 0.046 acres

Last Sale Tax Bill Prior Sale Owner Records
$66,000May 1997 $4,9202026 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

143 S Keystone Ave

3 bd · 2 ba · 2,808 sqft · built 1928 · 0.048 acres

Last Sale Tax Bill Prior Sale Owner Records
$165,000Jun 2019 $5,4662026 Amount on Record Jan 2019 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

145 S Keystone Ave

4 bd · 1 ba · 1,740 sqft · built 1927 · 0.048 acres

Last Sale Tax Bill Prior Sale Owner Records
$35,000Oct 2021 $4,8482026 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

147 S Keystone Ave

4 bd · 1 ba · 1,884 sqft · built 1928 · 0.044 acres

Last Sale Tax Bill Prior Sale Owner Records
$88,000Aug 1993 $5,0622026 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

149 S Keystone Ave

4 bd · 1 ba · 1,743 sqft · built 1928 · 0.053 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2010 $5,0382026 Amount on Record Apr 2005 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

1015 S Keystone Ave

3 bd · 2 ba · 1,584 sqft · built 1937 · 0.092 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2015 $6,0982026 Amount on Record Apr 2008 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1017 S Keystone Ave

3 bd · 2 ba · 1,566 sqft · built 1937 · 0.085 acres

Last Sale Tax Bill Prior Sale Owner Records
$106,000Mar 2002 $5,7282026 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1019 S Keystone Ave

3 bd · 2 ba · 1,584 sqft · built 1936 · 0.082 acres

Last Sale Tax Bill Prior Sale Owner Records
$105,000Jun 1994 $5,7502026 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

1021 S Keystone Ave

3 bd · 2 ba · 1,566 sqft · built 1936 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$64,000Feb 1984 $5,9912026 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

1101 S Keystone Ave

3 bd · 2.5 ba · 2,432 sqft · built 1926 · 0.094 acres

Last Sale Tax Bill Prior Sale Owner Records
$215,000Mar 2008 $7,4922026 Amount on Record Feb 2004 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

1103 S Keystone Ave

5 bd · 2.5 ba · 2,216 sqft · built 1941 · 0.096 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Nov 2007 $8,0032026 Amount on Record Jun 2002 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1105 S Keystone Ave

5 bd · 3.5 ba · 2,201 sqft · built 1920 · 0.092 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000May 2017 $7,5002026 —Apr 2014 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

1400 S Keystone Ave

4 bd · 2.5 ba · 2,601 sqft · built 1940 · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
$164,600Jan 2000 $8,4062026 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1401 S Keystone Ave

5 bd · 2.5 ba · 2,797 sqft · built 1935 · 0.251 acres

Last Sale Tax Bill Prior Sale Owner Records
$129,000Nov 2000 $7,2912026 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

1403 S Keystone Ave

5 bd · 2 ba · 2,797 sqft · built 1935 · 0.225 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Jul 2021 $8,6502026 Amount on Record Aug 1994 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1411 S Keystone Ave

4 bd · 2.5 ba · 2,224 sqft · built 1992 · 0.337 acres

Last Sale Tax Bill Prior Sale Owner Records
$50,000Sep 1990 $9,0202026 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1420 S Keystone Ave

4 bd · 2.5 ba · 2,001 sqft · built 1940 · 0.143 acres

Last Sale Tax Bill Prior Sale Owner Records
$139,000Jan 2000 $9,1042026 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

1421 S Keystone Ave

3 bd · 3.5 ba · 2,480 sqft · built 1929 · 0.225 acres

Last Sale Tax Bill Prior Sale Owner Records
$157,000Aug 2002 $8,2722026 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

1425 S Keystone Ave

3 bd · 1.5 ba · 1,971 sqft · built 1935 · 0.135 acres

Last Sale Tax Bill Prior Sale Owner Records
$215,000Dec 2005 $7,2142026 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

1426 S Keystone Ave

3 bd · 2 ba · 1,750 sqft · built 1940 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,2542026 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

1429 S Keystone Ave

3 bd · 1.5 ba · 1,656 sqft · built 1950 · 0.112 acres

Last Sale Tax Bill Prior Sale Owner Records
$112,857Jan 2016 $5,9312026 —Jul 2014 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

1433 S Keystone Ave

3 bd · 2 ba · 1,991 sqft · built 1930 · 0.116 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 1997 $6,3982026 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

1437 S Keystone Ave

4 bd · 1.5 ba · 2,087 sqft · built 1930 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$285,000Aug 2007 $6,5872026 Amount on Record Jun 1998 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

1441 S Keystone Ave

3 bd · 1.5 ba · 1,918 sqft · built 1930 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$86,000Mar 2016 $6,5152026 —Aug 2015 1 Name on Record AssessorUpdated Jun 2026

1445 S Keystone Ave

4 bd · 2.5 ba · 2,112 sqft · built 1950 · 0.207 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Jan 1987 $7,9372026 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

1501 S Keystone Ave

3 bd · 2 ba · 1,470 sqft · built 1940 · 0.132 acres

Last Sale Tax Bill Prior Sale Owner Records
$73,000Jun 1985 $5,4422026 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

1504 S Keystone Ave

3 bd · 2 ba · 1,810 sqft · built 1940 · 0.126 acres

Last Sale Tax Bill Prior Sale Owner Records
$189,000Sep 2004 $6,6112026 Amount on Record Jan 2001 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1508 S Keystone Ave

3 bd · 2.5 ba · 2,672 sqft · built 1991 · 0.128 acres

Last Sale Tax Bill Prior Sale Owner Records
$117,000Jan 2001 $7,8922026 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

1511 S Keystone Ave

3 bd · 1.5 ba · 1,419 sqft · built 1950 · 0.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$137,500Dec 1989 $6,3102026 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

1512 S Keystone Ave

4 bd · 2.5 ba · 2,200 sqft · built 1940 · 0.125 acres

Last Sale Tax Bill Prior Sale Owner Records
$233,000Jul 2007 $7,3572026 Amount on Record Nov 2003 2 Names on Record AssessorUpdated Jun 2026

1600 S Keystone Ave

4 bd · 2.5 ba · 2,242 sqft · built 1935 · 0.185 acres

Last Sale Tax Bill Prior Sale Owner Records
$51,000May 1979 $8,6902026 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

1601 S Keystone Ave

3 bd · 2.5 ba · 1,915 sqft · built 1933 · 0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,500Aug 1999 $7,3822026 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

1603 S Keystone Ave

3 bd · 3 ba · 2,356 sqft · built 1924 · 0.178 acres

Last Sale Tax Bill Prior Sale Owner Records
$207,000Dec 2018 $8,8762026 Amount on Record Oct 2000 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Jun 2026

1607 S Keystone Ave

4 bd · 3 ba · 1,983 sqft · built 1925 · 0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000Mar 2013 $6,5352026 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

Wildfire Risk on S Keystone Ave

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

Wildfire RiskLow
this street's cells rank above 5% of the US · above 5% of Pennsylvania
Wildfire LikelihoodLess than 1 in 10,000 per year
ExposureDirect
1 of 7 cells directly exposed · 1 adjoin burnable vegetation

Property Records in Nearby Streets