Prospect Ave, Newark, DE Property Records

New Castle County property records for 43 addresses on Prospect Ave, Newark, DE · Last verified July 2026

Prospect Ave Highlights

Properties 43
Median Sale Price $320,000
Deeds and Mortgages on File 44
Median Price per Sqft $242
Owner Occupied 7%
Median Annual Tax Bill $2,274
Median Year Built 1925
Median Ownership Tenure 21 years

Properties on Prospect Ave

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

2 Prospect Ave

3 bd · 2 ba · 1,360 sqft · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$85,000Aug 1998 $2,2392025 1 Name on Record AssessorUpdated May 2026

3 Prospect Ave

3 bd · 1.5 ba · 1,472 sqft · 0.2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2017 $2,7142025 —Feb 1986 1 Name on Record Assessor + 1 DocumentUpdated May 2026

4 Prospect Ave

3 bd · 1 ba · 1,360 sqft · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 1993 2 Names on Record AssessorUpdated May 2026

6 Prospect Ave

3 bd · 1 ba · 1,360 sqft · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$330,000May 2026 $2,0202025 Amount on Record Dec 2018 1 Name on Record Assessor + 3 DocumentsUpdated Jun 2026

8 Prospect Ave

3 bd · 1 ba · 1,360 sqft · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$140,000Dec 2005 $2,0002025 1 Name on Record AssessorUpdated May 2026

9 Prospect Ave

3 bd · 1 ba · 1,006 sqft · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$72,000Aug 1993 $1,7512025 2 Names on Record Owner Occupied AssessorUpdated May 2026

11 Prospect Ave

3 bd · 1.5 ba · 1,006 sqft · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,500,000Nov 2009 Amount on Record Aug 2003 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

12 Prospect Ave

4 bd · 2 ba · 1,140 sqft · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$33,900Aug 1982 $1,9352025 1 Name on Record Assessor + 1 DocumentUpdated May 2026

13 Prospect Ave

3 bd · 1 ba · 1,230 sqft · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$240,000Feb 2017 $2,2142025 Amount on Record Aug 1990 2 Names on Record Assessor + 1 DocumentUpdated Apr 2026

14 Prospect Ave

4 bd · 2 ba · 1,140 sqft · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$320,000Jul 2017 $1,9112025 Amount on Record Jan 1992 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

15 Prospect Ave

4 bd · 1 ba · 1,230 sqft · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$50,000Oct 1985 $2,6202025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Apr 2026

16 Prospect Ave

3 bd · 1 ba · 1,920 sqft · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$500,000Jan 2026 $2,6802025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

19 Prospect Ave

4 bd · 4.5 ba · 2,400 sqft · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$101,500Nov 2000 $3,2372025 2 Names on Record AssessorUpdated May 2026

20 Prospect Ave

3 bd · 2 ba · 1,536 sqft · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$219,900Oct 2012 $2,4262025 1 Name on Record AssessorUpdated Apr 2026

21 Prospect Ave

3 bd · 1 ba · 1,040 sqft · 0.189 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Oct 1980 $2,6592025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

22 Prospect Ave

3 bd · 2 ba · 1,536 sqft · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$249,900Oct 2012 $2,4552025 1 Name on Record AssessorUpdated Apr 2026

24 Prospect Ave

3 bd · 1 ba · 1,520 sqft · 0.08 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$62,000Feb 1988 2 Names on Record Assessor + 4 DocumentsUpdated Jul 2026

25 Prospect Ave

6 bd · 2 ba · 2,608 sqft · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$403,000May 2005 1 Name on Record AssessorUpdated Apr 2026

26 Prospect Ave

3 bd · 1 ba · 1,124 sqft · 0.08 acres

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

28 Prospect Ave

3 bd · 1 ba · 838 sqft · 0.089 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Dec 1999 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

29 Prospect Ave

3 bd · 4 ba · 2,061 sqft · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,000Apr 2012 $3,0712025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

30 Prospect Ave

3 bd · 1 ba · 838 sqft · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$70,000Mar 1999 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

31 Prospect Ave

3 bd · 4 ba · 2,061 sqft · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,0282025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

32 Prospect Ave

7 bd · 2 ba · 1,280 sqft · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 1991 1 Name on Record AssessorUpdated May 2026

33 Prospect Ave

3 bd · 4 ba · 1,998 sqft · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,8972025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

34 Prospect Ave

3 bd · 2 ba · 1,360 sqft · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$293,750Aug 2006 1 Name on Record AssessorUpdated Apr 2026

35 Prospect Ave

3 bd · 4 ba · 1,998 sqft · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,000Apr 2012 $2,9302025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

36 Prospect Ave

3 bd · 1 ba · 1,280 sqft · 0.089 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,9512025 2 Names on Record AssessorUpdated May 2026

38 Prospect Ave

3 bd · 1 ba · 1,280 sqft · 0.089 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$119,500Jun 2001 $2,0482025 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

39 Prospect Ave

3 bd · 1 ba · 2,120 sqft · 0.089 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$725,000Apr 2021 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

40 Prospect Ave

3 bd · 1 ba · 1,368 sqft · 0.08 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$114,000Nov 2000 $2,0992025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

41 Prospect Ave

3 bd · 1 ba · 1,224 sqft · 0.089 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$95,000Nov 1998 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

42 Prospect Ave

3 bd · 1 ba · 1,368 sqft · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$90,000Aug 1998 $1,9872025 1 Name on Record Assessor + 1 DocumentUpdated May 2026

43 Prospect Ave

3 bd · 1 ba · 1,188 sqft · 0.089 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,8872025 1 Name on Record Assessor + 4 DocumentsUpdated Apr 2026

44 Prospect Ave

3 bd · 1 ba · 1,248 sqft · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Nov 2000 $1,9342025 2 Names on Record Assessor + 1 DocumentUpdated May 2026

45 Prospect Ave

3 bd · 1 ba · 1,224 sqft · 0.089 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$235,000Jul 2020 $1,9412025 1 Name on Record Assessor + 1 DocumentUpdated May 2026

47 Prospect Ave

4 bd · 1.5 ba · 1,446 sqft · 0.169 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$287,500Jun 2015 $2,2742025 Amount on Record May 2005 2 Names on Record AssessorUpdated May 2026

48 Prospect Ave

3 bd · 2 ba · 1,296 sqft · 0.139 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,0262025 2 Names on Record Assessor + 2 DocumentsUpdated May 2026

49 Prospect Ave

4 bd · 1 ba · 1,680 sqft · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$287,500Jun 2015 $2,5612025 Amount on Record May 2005 2 Names on Record AssessorUpdated May 2026

50 Prospect Ave

3 bd · 2 ba · 1,296 sqft · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,0742025 2 Names on Record Assessor + 2 DocumentsUpdated May 2026

51 Prospect Ave

4 bd · 2 ba · 2,928 sqft · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000May 1999 $3,4522025 2 Names on Record Assessor + 2 DocumentsUpdated May 2026

54 Prospect Ave

3 bd · 2 ba · 1,568 sqft · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$90,000Oct 1992 $2,5432025 1 Name on Record AssessorUpdated May 2026

56 Prospect Ave

3 bd · 1 ba · 1,280 sqft · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$260,000Dec 2006 $2,4632025 1 Name on Record Assessor + 1 DocumentUpdated May 2026

Wildfire Risk on Prospect Ave

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

Wildfire RiskLow
this street's cells rank at the 20th percentile of exposed land nationally · 47th in Delaware
Wildfire LikelihoodLow — about 1 in 10,000 per year
ExposureIndirect
0 of 1 cells directly exposed

Property Records in Nearby Streets