Colby Ave, Claymont, DE Property Records

New Castle County property records for 41 addresses on Colby Ave, Claymont, DE · Last verified October 2026

Colby Ave Highlights

Properties 41
Median Sale Price $155,000
Deeds and Mortgages on File 51
Median Price per Sqft $125
Owner Occupied 54%
Median Annual Tax Bill $1,926
Median Year Built 1920
Median Ownership Tenure 11 years

Properties on Colby Ave

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

4 Colby Ave

2,025 sqft · built 1940 · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$79,900Jan 2008 Owner on Record AssessorUpdated Apr 2026

7 Colby Ave

4 bd · 1 ba · 1,372 sqft · built 1920 · 0.38 acres

Last Sale Tax Bill Prior Sale Owner Records
$90,000Apr 2000 $2,2552025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

9 Colby Ave

4 bd · 1 ba · 1,248 sqft · built 1920 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$26,000May 1983 Owner on Record Owner Occupied AssessorUpdated May 2026

11 Colby Ave

4 bd · 1 ba · 1,248 sqft · built 1920 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$39,000Sep 2012 $1,9172025 Amount on Record Jul 2012 Owner on Record Assessor + 1 DocumentUpdated Oct 2026

13 Colby Ave

4 bd · 1 ba · 1,344 sqft · built 1920 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$40,000Apr 1991 $1,9412025 2 Owners on Record Owner Occupied AssessorUpdated Apr 2026

14 Colby Ave

0.189 acres

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

15 Colby Ave

4 bd · 1 ba · 1,248 sqft · built 1920 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,9852025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

17 Colby Ave

4 bd · 1 ba · 1,440 sqft · built 1920 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$32,800Mar 2015 $2,1222025 Owner on Record Assessor + 1 DocumentUpdated Apr 2026

19 Colby Ave

4 bd · 1 ba · 1,416 sqft · built 1920 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2015 $2,0942025 Amount on Record Dec 2013 2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

21 Colby Ave

4 bd · 1 ba · 1,248 sqft · built 1920 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$50,000Nov 2019 Amount on Record Sep 2009 2 Owners on Record Assessor + 2 DocumentsUpdated Oct 2026

22 Colby Ave

4 bd · 1 ba · 1,248 sqft · built 1920 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$190,000Dec 2025 $1,9232025 Amount on Record Apr 2004 Owner on Record Assessor + 1 DocumentUpdated Oct 2026

23 Colby Ave

4 bd · 1 ba · 1,320 sqft · built 1920 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$159,300May 2019 $2,1492025 Owner on Record Owner Occupied AssessorUpdated Apr 2026

24 Colby Ave

4 bd · 1 ba · 1,320 sqft · built 1920 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$120,000Jul 2022 $1,9612025 Amount on Record Jun 2017 2 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Sep 2026

25 Colby Ave

4 bd · 1 ba · 1,344 sqft · built 1920 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$58,000Dec 1995 $1,9932025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

26 Colby Ave

4 bd · 1 ba · 1,248 sqft · built 1920 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2017 $1,8862025 —Oct 1990 Owner on Record AssessorUpdated Apr 2026

28 Colby Ave

4 bd · 1 ba · 1,344 sqft · built 1920 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 1976 Owner on Record Owner Occupied AssessorUpdated May 2026

30 Colby Ave

4 bd · 2 ba · 1,176 sqft · built 1920 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$155,000Jun 2007 $2,0782025 Amount on Record Aug 2005 2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

31 Colby Ave

0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,548Jul 2021 2 Owners on Record Assessor + 1 DocumentUpdated Apr 2026

32 Colby Ave

4 bd · 1 ba · 1,344 sqft · built 1920 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$169,200May 2026 $1,9332025 Amount on Record Jun 2025 Owner on Record Assessor + 1 DocumentUpdated Jun 2026

34 Colby Ave

4 bd · 1 ba · 1,248 sqft · built 1920 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,8702025 Owner on Record Owner Occupied AssessorUpdated Apr 2026

36 Colby Ave

4 bd · 1 ba · 1,344 sqft · built 1920 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,8662025 Owner on Record Assessor + 3 DocumentsUpdated Apr 2026

38 Colby Ave

4 bd · 1 ba · 1,196 sqft · built 1920 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$110,000Nov 2005 $1,9262025 Owner on Record AssessorUpdated Oct 2026

39 Colby Ave

3 bd · 1 ba · 1,344 sqft · built 1920 · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,6992025 Owner on Record AssessorUpdated Apr 2026

40 Colby Ave

4 bd · 1 ba · 1,256 sqft · built 1920 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$117,900Jul 2004 $2,0492025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

41 Colby Ave

3 bd · 1 ba · 1,344 sqft · built 1920 · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$259,000Jun 2026 Amount on Record Mar 2025 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

42 Colby Ave

4 bd · 1 ba · 1,196 sqft · built 1920 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2018 $1,6382025 Amount on Record Aug 2007 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

43 Colby Ave

3 bd · 1 ba · 1,248 sqft · built 1920 · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$95,000Jul 2017 $1,8902025 Amount on Record Dec 2015 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

44 Colby Ave

4 bd · 1 ba · 1,196 sqft · built 1920 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$40,000Oct 2011 $1,9862025 Amount on Record Sep 2010 Owner on Record Assessor + 3 DocumentsUpdated Oct 2026

45 Colby Ave

3 bd · 1 ba · 1,248 sqft · built 1920 · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$64,900Sep 2010 $1,7172025 Amount on Record Oct 2005 Owner on Record Owner Occupied AssessorUpdated Aug 2026

46 Colby Ave

4 bd · 1 ba · 1,196 sqft · built 1920 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$55,000Jun 2016 $1,8792025 Amount on Record Sep 2015 Owner on Record Assessor + 3 DocumentsUpdated Oct 2026

47 Colby Ave

4 bd · 1 ba · 1,824 sqft · built 1920 · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$52,500Nov 2016 $2,0062025 Amount on Record Sep 1996 Owner on Record Assessor + 3 DocumentsUpdated Oct 2026

48 Colby Ave

4 bd · 1 ba · 1,256 sqft · built 1920 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 1985 $2,1482025 2 Owners on Record Assessor + 1 DocumentUpdated Jul 2026

49 Colby Ave

0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$37,000May 2026 Amount on Record Sep 2016 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

50 Colby Ave

4 bd · 1 ba · 1,256 sqft · built 1920 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$65,000Jun 2006 $1,5142025 Owner on Record AssessorUpdated Apr 2026

52 Colby Ave

4 bd · 1 ba · 1,256 sqft · built 1920 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$149,900Jul 2009 $1,9192025 Amount on Record Dec 2007 Owner on Record Owner Occupied AssessorUpdated Oct 2026

54 Colby Ave

4 bd · 1 ba · 1,440 sqft · built 1920 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$124,900Aug 2004 $1,3312025 Owner on Record Owner Occupied AssessorUpdated Oct 2026

56 Colby Ave

4 bd · 1 ba · 1,472 sqft · built 1920 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$155,000Feb 2026 $2,1052025 Amount on Record Nov 2006 Owner on Record Assessor + 1 DocumentUpdated Oct 2026

58 Colby Ave

4 bd · 1 ba · 1,536 sqft · built 1920 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$110,000Jun 2022 $2,0162025 Amount on Record Sep 2019 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2026

60 Colby Ave

4 bd · 1 ba · 1,320 sqft · built 1920 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$7172025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated May 2026

62 Colby Ave

4 bd · 1 ba · 1,308 sqft · built 1920 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$28,000Feb 1996 $1,8662025 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Apr 2026

64 Colby Ave

4 bd · 1 ba · 1,308 sqft · built 1920 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2017 $1,8602025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

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