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Duncan St, Wilmington, DE Property Records

New Castle County property records for 31 addresses on Duncan St, Wilmington, DE · Last verified October 2026

Duncan St Highlights

Properties 31
Median Sale Price $173,900
Deeds and Mortgages on File 22
Median Price per Sqft $93
Owner Occupied 52%
Median Annual Tax Bill $2,009
Median Year Built 2013
Median Ownership Tenure 12 years

Properties on Duncan St

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

921 Duncan St

3 bd · 2.5 ba · 2,662 sqft · built 2013 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Mar 2013 $2,7262025 Owner on Record Owner Occupied AssessorUpdated May 2026

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923 Duncan St

3 bd · 2.5 ba · 1,962 sqft · built 2013 · 0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,000Apr 2025 Amount on Record Jun 2013 Owner on Record AssessorUpdated Apr 2026

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925 Duncan St

3 bd · 2.5 ba · 1,854 sqft · built 2013 · 0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$172,900Jul 2013 $1,9712025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

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927 Duncan St

3 bd · 2.5 ba · 1,962 sqft · built 2013 · 0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$172,900Sep 2013 $2,1222025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

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929 Duncan St

3 bd · 2.5 ba · 1,854 sqft · built 2013 · 0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$169,900Apr 2013 $2,0582025 Owner on Record Owner Occupied AssessorUpdated Apr 2026

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931 Duncan St

2 bd · 2.5 ba · 1,854 sqft · built 2013 · 0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$179,900May 2013 $2,3692025 Owner on Record Owner Occupied AssessorUpdated Apr 2026

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933 Duncan St

3 bd · 2.5 ba · 1,854 sqft · built 2013 · 0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$169,900Jul 2013 $2,0092025 Owner on Record Owner Occupied AssessorUpdated Apr 2026

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935 Duncan St

3 bd · 2.5 ba · 1,927 sqft · built 2013 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,900Jul 2013 $2,2662025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

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1001 Duncan St

3 bd · 2.5 ba · 1,927 sqft · built 2014 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$181,000Feb 2014 $2,0102025 2 Owners on Record Owner Occupied AssessorUpdated May 2026

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1003 Duncan St

3 bd · 2.5 ba · 1,854 sqft · built 2014 · 0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$173,900Apr 2014 $1,9902025 Owner on Record Owner Occupied AssessorUpdated May 2026

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1005 Duncan St

3 bd · 2.5 ba · 1,854 sqft · built 2014 · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
$173,900Mar 2014 Owner on Record AssessorUpdated May 2026

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1007 Duncan St

3 bd · 2.5 ba · 1,854 sqft · built 2014 · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2020 $2,0372025 Amount on Record Feb 2014 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

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1009 Duncan St

3 bd · 2.5 ba · 1,854 sqft · built 2014 · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
$173,900Feb 2014 Owner on Record Owner Occupied AssessorUpdated May 2026

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1011 Duncan St

2 bd · 2.5 ba · 1,854 sqft · built 2014 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$173,900Mar 2014 $1,9732025 Owner on Record Owner Occupied AssessorUpdated Apr 2026

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1013 Duncan St

3 bd · 2.5 ba · 1,927 sqft · built 2014 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$174,900Mar 2014 $2,1822025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

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1100 Duncan St

8,734 sqft · built 1974 · 0.319 acres

Last Sale Tax Bill Prior Sale Owner Records
$19,000Nov 1979 $2,5452025 2 Owners on Record AssessorUpdated May 2026

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1100 Duncan St, #A

3,398 sqft · built 1974 · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,000Nov 1980 $1,2142025 2 Owners on Record AssessorUpdated May 2026

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1113 Duncan St

3 bd · 1 ba · 1,096 sqft · built 1900 · 0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$6442025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

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1121 Duncan St

4 bd · 2.5 ba · 1,608 sqft · built 1880 · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 1994 $9482025 Owner on Record Assessor + 2 DocumentsUpdated Apr 2026

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1201 Duncan St

0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2018 $2082025 Amount on Record Oct 2001 Owner on Record Assessor + 1 DocumentUpdated Apr 2026

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1203 Duncan St

0.019 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2018 $2082025 Amount on Record Oct 2001 Owner on Record Assessor + 1 DocumentUpdated Oct 2026

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1309 Duncan St

0.019 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Mar 1990 Owner on Record AssessorUpdated May 2026

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1311 Duncan St

0.019 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Mar 1990 Owner on Record AssessorUpdated May 2026

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1400 Duncan St

4.55 acres

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

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1401 Duncan St

3 bd · 1 ba · 728 sqft · built 1900 · 0.019 acres

Last Sale Tax Bill Prior Sale Owner Records
$140,000Dec 2021 $1,0322025 Amount on Record Sep 2003 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

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1403 Duncan St

3 bd · 1 ba · 948 sqft · built 1900 · 0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$33,500Aug 2002 Owner on Record AssessorUpdated May 2026

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1405 Duncan St

3 bd · 1 ba · 1,008 sqft · built 1900 · 0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$50,000Feb 2021 $8742025 Amount on Record Mar 2017 Owner on Record Assessor + 3 DocumentsUpdated Oct 2026

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1507 Duncan St

3 bd · 1.5 ba · 1,120 sqft · built 1990 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2018 Amount on Record Jan 2001 Owner on Record Assessor + 1 DocumentUpdated Oct 2026

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1509 Duncan St

2 bd · 1.5 ba · 1,120 sqft · built 1990 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$70,000Dec 2015 —Jul 1996 Owner on Record AssessorUpdated Oct 2026

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1511 Duncan St

2 bd · 1.5 ba · 1,120 sqft · built 1990 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$84,000Jan 2003 Owner on Record Owner Occupied AssessorUpdated Oct 2026

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1513 Duncan St

2 bd · 1.5 ba · 990 sqft · built 1990 · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
$103,536Feb 2016 Amount on Record Nov 2009 Owner on Record Assessor + 2 DocumentsUpdated Sep 2026

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Property Records in Nearby Streets