Delaware St, New Castle, DE Property Records

New Castle County property records for 97 addresses on Delaware St, New Castle, DE · Last verified August 2026

Delaware St Highlights

Properties 113
Median Sale Price $237,000
Deeds and Mortgages on File 116
Median Price per Sqft $160
Owner Occupied 32%
Median Annual Tax Bill $1,659
Median Year Built 1900
Median Ownership Tenure 19 years

Properties on Delaware St

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

1 Delaware St

0.36 acres

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

102 Delaware St

3 bd · 2.5 ba · 1,908 sqft · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$132,000Apr 2007 $2,0392025 Amount on Record Oct 2001 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

110 Delaware St

3 bd · 1 ba · 1,580 sqft · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$289,900Sep 2007 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

112 Delaware St

5 bd · 4.5 ba · 4,080 sqft · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$435,000May 2003 1 Name on Record Assessor + 2 DocumentsUpdated May 2026

113 Delaware St

3 bd · 1.5 ba · 1,200 sqft · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,5842025 1 Name on Record Owner Occupied AssessorUpdated May 2026

114 Delaware St

2,250 sqft · Built 1899 · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,9092025 1 Name on Record Assessor + 1 DocumentUpdated May 2026

115 Delaware St

3 bd · 1.5 ba · 1,200 sqft · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$210,000Sep 2014 $1,5842025 1 Name on Record AssessorUpdated May 2026

116 Delaware St

4 bd · 1 ba · 2,120 sqft · 0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,8212025 1 Name on Record Assessor + 1 DocumentUpdated May 2026

117 Delaware St

4 bd · 1.5 ba · 1,260 sqft · 0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$215,000Sep 2013 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

118 Delaware St

4 bd · 1 ba · 1,672 sqft · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000Aug 2010 1 Name on Record AssessorUpdated Apr 2026

119 Delaware St

3 bd · 2 ba · 1,260 sqft · 0.019 acres

Last Sale Tax Bill Prior Sale Owner Records
$104,000Feb 1999 $1,6662025 2 Names on Record AssessorUpdated May 2026

120 Delaware St

1,430 sqft · Built 1899 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,000Jan 2003 $7272025 2 Names on Record AssessorUpdated Apr 2026

121 Delaware St

4 bd · 2 ba · 810 sqft · 0.019 acres

Last Sale Tax Bill Prior Sale Owner Records
$197,000Jul 2013 Amount on Record Apr 2003 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

122 Delaware St

3,000 sqft · Built 1700 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$449,150Aug 2004 $1,0612025 2 Names on Record AssessorUpdated May 2026

123 Delaware St

3 bd · 1 ba · 975 sqft · 0.01 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2018 $1,8022025 Amount on Record Jan 1990 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated May 2026

125 Delaware St

4,403 sqft · Built 1899 · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
$275,000Jul 2010 $4,1332025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

126 Delaware St

0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 1993 1 Name on Record AssessorUpdated Apr 2026

130 Delaware St

11 bd · 4.5 ba · 4,380 sqft · 0.31 acres

Last Sale Tax Bill Prior Sale Owner Records
$850,000Feb 2023 $1,7532025 Amount on Record May 2000 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

200 Delaware St

3,108 sqft · Built 1899 · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
$180,000Jul 1993 $9892025 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

201 Delaware St

3,978 sqft · Built 1899 · 0.489 acres

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

202 Delaware St

6,308 sqft · Built 1899 · 0.419 acres

Last Sale Tax Bill Prior Sale Owner Records
$550,000Jun 2007 $1,2562025 1 Name on Record Assessor + 1 DocumentUpdated May 2026

206 Delaware St

2,640 sqft · Built 1899 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$357,500May 2020 $4,2082025 Amount on Record Dec 2009 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

208 Delaware St

4,362 sqft · Built 1899 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$365,000Oct 1998 $8612025 1 Name on Record AssessorUpdated May 2026

210 Delaware St

1,228 sqft · Built 1899 · 0.35 acres

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

211 Delaware St

8,590 sqft · Built 1899 · 1.21 acres

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

212 Delaware St

3 bd · 2.5 ba · 3,240 sqft · 0.339 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 1986 $4,4952025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

214 Delaware St

2 bd · 1 ba · 1,201 sqft · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 1986 $1,7242025 1 Name on Record Assessor + 1 DocumentUpdated May 2026

220 Delaware St

2,760 sqft · Built 1930 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 1981 1 Name on Record AssessorUpdated Apr 2026

222 Delaware St

4,922 sqft · Built 1899 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,675,000Nov 2004 $4,5812025 Amount on Record Apr 2003 1 Name on Record Assessor + 3 DocumentsUpdated Jun 2026

300 Delaware St

5 bd · 4 ba · 3,820 sqft · 0.419 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$715,000May 2011 $4,8152025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

306 Delaware St

16,200 sqft · Built 1899 · 0.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$425,000Jun 1993 $14,2262025 1 Name on Record AssessorUpdated Apr 2026

313 Delaware St

7 bd · 4.5 ba · 4,464 sqft · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$623,500Nov 2016 $5,4472025 Amount on Record Nov 2012 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Apr 2026

318 Delaware St

3,430 sqft · Built 1899 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$8322025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

400 Delaware St

6 bd · 4.5 ba · 3,396 sqft · 0.219 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 1977 $4,8282025 2 Names on Record AssessorUpdated May 2026

406 Delaware St

1 bd · 1 ba · 900 sqft · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$8412025 1 Name on Record Assessor + 1 DocumentUpdated May 2026

408 Delaware St

832 sqft · Built 1973 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 1995 2 Names on Record Assessor + 2 DocumentsUpdated Apr 2026

410 Delaware St

3 bd · 1.5 ba · 1,690 sqft · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$165,000Aug 2012 $1,8642025 2 Names on Record AssessorUpdated May 2026

411 Delaware St

5 bd · 5 ba · 4,109 sqft · 0.13 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$559,900Feb 2008 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

412 Delaware St

2,938 sqft · Built 1899 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$450,000Jun 2006 $1,0592025 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

414 Delaware St

4 bd · 3 ba · 2,480 sqft · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Jul 2015 $1,0942025 1 Name on Record AssessorUpdated Apr 2026

416 Delaware St

2 bd · 1.5 ba · 1,640 sqft · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$275,000Aug 2012 $1,7722025 Amount on Record Dec 2005 2 Names on Record Owner Occupied AssessorUpdated May 2026

417 Delaware St

3 bd · 3 ba · 2,531 sqft · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,6502025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

419 Delaware St

4 bd · 1.5 ba · 2,169 sqft · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$295,000Sep 2016 $2,0312025 Amount on Record Aug 2000 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

423 Delaware St

3,145 sqft · Built 1850 · 0.389 acres

Last Sale Tax Bill Prior Sale Owner Records
$620,000Oct 2012 $1,4162025 1 Name on Record Assessor + 2 DocumentsUpdated May 2026

424 Delaware St

14,777 sqft · Built 2009 · 0.6 acres

Last Sale Tax Bill Prior Sale Owner Records
$40,000Aug 1962 1 Name on Record AssessorUpdated Apr 2026

500 Delaware St

8 units · Built 1885 · 900 sq ft

Last Sale Median Tax Bill Median Sale    
$213,300Jan 2025 —8 units    

500 Delaware St

0.08 acres

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

501 Delaware St

3,952 sqft · Built 1935 · 0.2 acres

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

510 Delaware St

11,587 sqft · Built 1899 · 1.33 acres

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

511 Delaware St

3 bd · 1 ba · 1,576 sqft · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$169,000Nov 2002 $9262025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

513 Delaware St

4 bd · 1 ba · 1,600 sqft · 0.069 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
2 Names on Record Assessor + 1 DocumentUpdated Apr 2026

515 Delaware St

3 bd · 1 ba · 1,264 sqft · 0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$193,000Dec 2003 $1,4212025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

517 Delaware St

0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$37,000Apr 1974 $3132025 2 Names on Record AssessorUpdated May 2026

519 Delaware St

4 bd · 1 ba · 2,112 sqft · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$37,000Apr 1974 $1,6052025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

521 Delaware St

4 bd · 2 ba · 1,864 sqft · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2011 $1,7742025 Amount on Record Aug 2005 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated May 2026

523 Delaware St

4 bd · 1 ba · 1,512 sqft · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$460,000Oct 2024 $3192025 Amount on Record Nov 2012 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Apr 2026

525 Delaware St

3 bd · 2 ba · 1,732 sqft · 0.06 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$135,000Oct 2001 $1,5782025 1 Name on Record Assessor + 3 DocumentsUpdated May 2026

527 Delaware St

4 bd · 2 ba · 1,890 sqft · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2000 1 Name on Record Owner Occupied AssessorUpdated May 2026

529 Delaware St

2 bd · 1 ba · 1,344 sqft · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000Jan 2021 Amount on Record Jul 2007 1 Name on Record Assessor + 3 DocumentsUpdated Apr 2026

530 Delaware St

3 bd · 1 ba · 1,144 sqft · 0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$37,900Jul 1977 $8092025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

531 Delaware St

5,157 sqft · Built 1899 · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,9102025 1 Name on Record Assessor + 3 DocumentsUpdated Apr 2026

532 Delaware St

3 bd · 1 ba · 1,300 sqft · 0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$203,000May 2006 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

534 Delaware St

4 bd · 1 ba · 1,540 sqft · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
$131,500Aug 1997 2 Names on Record Owner Occupied AssessorUpdated Apr 2026

600 Delaware St

6 bd · 4 ba · 2,716 sqft · 0.1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,9302025 1 Name on Record Assessor + 4 DocumentsUpdated Apr 2026

601 Delaware St

2,456 sqft · Built 1899 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000Feb 2008 $1,3142025 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

602 Delaware St

4 bd · 2 ba · 1,920 sqft · 0.089 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$192,000Feb 2009 $1,6842025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

603 Delaware St

5 bd · 1.5 ba · 1,816 sqft · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,7352025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

604 Delaware St

5 bd · 1 ba · 1,960 sqft · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$284,500Aug 2010 $2,3332025 Amount on Record Feb 2003 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

605 Delaware St

4 bd · 1.5 ba · 1,180 sqft · 0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,3852025 2 Names on Record Assessor + 3 DocumentsUpdated Aug 2026

606 Delaware St

3 bd · 1 ba · 1,360 sqft · 0.069 acres

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

607 Delaware St

4 bd · 1.5 ba · 1,300 sqft · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Oct 2004 Amount on Record May 2003 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated May 2026

612 Delaware St

3,540 sqft · Built 1920 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$550,000Mar 2024 $4,2862025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Apr 2026

614 Delaware St

4 bd · 1 ba · 1,080 sqft · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$92,000Nov 2000 1 Name on Record Assessor + 2 DocumentsUpdated May 2026

615 Delaware St

10 units · Built 1985

Last Sale Median Tax Bill Median Sale    
$237,000May 2025 $1,1862025 $215,00010 units    

615 Delaware St

1 bd · 1 ba · 0.439 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2018 Amount on Record Sep 2004 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

616 Delaware St

4 bd · 1 ba · 1,224 sqft · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2024 $1,6072025 Amount on Record Nov 2021 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

618 Delaware St

4 bd · 1 ba · 1,024 sqft · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
$155,000Feb 2024 —Nov 1987 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

620 Delaware St

4 bd · 1 ba · 1,324 sqft · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
$54,000Aug 2017 —Jan 2015 1 Name on Record Assessor + 4 DocumentsUpdated Apr 2026

621 Delaware St

10,548 sqft · Built 1917 · 0.56 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,500,000Oct 2025 $3,6232025 Amount on Record Apr 2019 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

622 Delaware St

4 bd · 1 ba · 1,400 sqft · 0.039 acres

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

625 Delaware St

780 sqft · Built 1958 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$6532025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

628 Delaware St

3 bd · 2.5 ba · 2,340 sqft · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$375,000Jun 2021 $2,2232025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

632 Delaware St

0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$292,000Sep 2004 $1,3942025 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

700 Delaware St

4 bd · 2 ba · 1,880 sqft · 0.13 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$180,000May 2010 $1,3322025 1 Name on Record AssessorUpdated Apr 2026

702 Delaware St

4,627 sqft · Built 1920 · 0.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$165,000May 2001 $4,0672025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

706 Delaware St

4 bd · 2 ba · 1,536 sqft · 0.619 acres

Last Sale Tax Bill Prior Sale Owner Records
$40,000Sep 2021 $1,6592025 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

812 Delaware St

3 bd · 1.5 ba · 1,736 sqft · 0.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,000Nov 2003 $1,7492025 Amount on Record Apr 2003 1 Name on Record Owner Occupied AssessorUpdated May 2026

901 Delaware St

8 bd · 3 ba · 3,040 sqft · 1.96 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,000May 2010 1 Name on Record AssessorUpdated Apr 2026

903 Delaware St

96,372 sqft · Built 1920 · 16.4 acres

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

904 Delaware St

3 bd · 1 ba · 1,726 sqft · 0.219 acres

Last Sale Tax Bill Prior Sale Owner Records
$180,000Dec 2004 2 Names on Record AssessorUpdated May 2026

920 Delaware St

3 bd · 2 ba · 2,412 sqft · 0.2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Aug 1984 $2,9942025 1 Name on Record Owner Occupied AssessorUpdated May 2026

1101 Delaware St

40,535 sqft · Built 2006 · 2.81 acres

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

1200 Delaware St

2 bd · 1 ba · 840 sqft · 0.139 acres

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

1201 Delaware St

5.46 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 1981 1 Name on Record AssessorUpdated Apr 2026

1204 Delaware St

1,500 sqft · Built 1988 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,000Aug 1987 $6962025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

1206 Delaware St

5,525 sqft · Built 1969 · 0.53 acres

Last Sale Tax Bill Prior Sale Owner Records
$91,600Sep 1989 $12,4722025 2 Names on Record AssessorUpdated May 2026

1222 Delaware St

0.639 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,700Feb 2012 $4042025 1 Name on Record AssessorUpdated Apr 2026

Wildfire Risk on Delaware St

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

Wildfire RiskLow
this street's cells rank above 4% of the US · above 13% of Delaware
Wildfire LikelihoodLess than 1 in 10,000 per year
ExposureDirect
3 of 11 cells directly exposed · 6 adjoin burnable vegetation

Property Records in Nearby Streets