Castle Ave, Claymont, DE Property Records

New Castle County property records for 15 addresses on Castle Ave, Claymont, DE · Last verified May 2026

Castle Ave Highlights

Properties 15
Median Sale Price $175,000
Deeds and Mortgages on File 11
Median Price per Sqft $122
Owner Occupied 60%
Median Annual Tax Bill $2,489
Median Year Built 1963
Median Ownership Tenure 16 years

Properties on Castle Ave

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

300 Castle Ave

3 bd · 2 ba · 1,353 sqft · built 1999 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$217,500Dec 2018 $2,5802025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated May 2026

301 Castle Ave

3 bd · 1 ba · 1,418 sqft · built 1940 · 0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$140,050Dec 2012 $2,4892025 Amount on Record Jan 2012 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated May 2026

302 Castle Ave

4 bd · 1 ba · 1,249 sqft · built 1937 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$195,000Jan 2018 $2,2062025 Amount on Record Jun 1981 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

303 Castle Ave

3 bd · 1.5 ba · 1,572 sqft · built 1940 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$65,900Jul 1985 2 Owners on Record Owner Occupied AssessorUpdated Apr 2026

305 Castle Ave

4 bd · 2 ba · 1,429 sqft · built 1953 · 0.16 acres

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

307 Castle Ave

2 bd · 1.5 ba · 1,056 sqft · built 1953 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Jul 2009 $2,2712025 Owner on Record Owner Occupied AssessorUpdated May 2026

310 Castle Ave

3 bd · 1 ba · 1,654 sqft · built 1963 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Dec 2010 $2,4682025 Amount on Record Aug 2010 Owner on Record Owner Occupied AssessorUpdated Apr 2026

312 Castle Ave

3 bd · 1 ba · 1,160 sqft · built 1963 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$142,425Oct 2013 $2,2922025 Amount on Record Jun 2013 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated May 2026

314 Castle Ave

4 bd · 2 ba · 1,978 sqft · built 1965 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$354,900Dec 2025 Owner on Record Assessor + 3 DocumentsUpdated Apr 2026

316 Castle Ave

4 bd · 2 ba · 1,978 sqft · built 1965 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$145,000Dec 2010 Owner on Record AssessorUpdated Apr 2026

318 Castle Ave

4 bd · 2 ba · 1,978 sqft · built 1965 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$161,000Sep 2015 $2,6232025 Amount on Record Jul 2005 Owner on Record AssessorUpdated Apr 2026

320 Castle Ave

4 bd · 2 ba · 1,978 sqft · built 1965 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$78,000May 1986 Owner on Record AssessorUpdated Apr 2026

322 Castle Ave

4 bd · 2 ba · 1,848 sqft · built 1965 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 1977 $2,5912025 2 Owners on Record AssessorUpdated Apr 2026

324 Castle Ave

4 bd · 2 ba · 1,848 sqft · built 1965 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,5042025 Owner on Record Owner Occupied AssessorUpdated May 2026

401 Castle Ave

3 bd · 1 ba · 1,352 sqft · built 1940 · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$134,900Nov 1999 $2,2872025 2 Owners on Record Owner Occupied AssessorUpdated May 2026

Property Records in Nearby Streets