Washington St, Seaford, DE Property Records

Sussex County property records for 19 addresses on Washington St, Seaford, DE · Last verified August 2026

Washington St Highlights

Properties 19
Median Sale Price $160,000
Deeds and Mortgages on File 20
Median Price per Sqft $131
Owner Occupied 68%
Median Annual Tax Bill $739
Median Year Built 1990
Median Ownership Tenure 19 years

Properties on Washington St

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

302 Washington St

3 bd · 1,248 sqft · built 1990 · 0.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$142,000Jul 1996 $7852025 Owner on Record AssessorUpdated Jun 2026

303 Washington St

3 bd · 832 sqft · built 1990 · 0.136 acres

Last Sale Tax Bill Prior Sale Owner Records
$103,000May 2021 $6462025 2 Owners on Record Assessor + 3 DocumentsUpdated Aug 2026

305 Washington St

2 bd · 800 sqft · built 1990 · 0.145 acres

Last Sale Tax Bill Prior Sale Owner Records
$115,000Jul 2015 $3652025 Owner on Record Owner Occupied AssessorUpdated Jun 2026

307 Washington St

3 bd · 850 sqft · built 1990 · 0.29 acres

Last Sale Tax Bill Prior Sale Owner Records
$53,000Oct 1996 $7042025 Owner on Record Owner Occupied AssessorUpdated Jun 2026

308 Washington St

3 bd · 1,404 sqft · built 1990 · 0.415 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 1996 $7812025 Owner on Record Owner Occupied AssessorUpdated Jun 2026

309 Washington St

3 bd · 2 ba · 1,400 sqft · built 2000 · 0.179 acres

Last Sale Tax Bill Prior Sale Owner Records
$205,000Jun 2007 $8642025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

311 Washington St

2 bd · 2,136 sqft · built 1990 · 0.214 acres

Last Sale Tax Bill Prior Sale Owner Records
$119,900Mar 2012 $8862025 Owner on Record AssessorUpdated Jun 2026

312 Washington St

3 bd · 1,550 sqft · built 1990 · 0.421 acres

Last Sale Tax Bill Prior Sale Owner Records
$145,000May 2023 $8782025 Amount on Record Jun 2012 Owner on Record Assessor + 2 DocumentsUpdated Jun 2026

313 Washington St

3 bd · 1,104 sqft · built 1990 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 1992 $4672025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

316 Washington St

3 bd · 1 ba · 1,196 sqft · built 1967 · 0.562 acres

Last Sale Tax Bill Prior Sale Owner Records
$6732025 Owner on Record Owner Occupied AssessorUpdated Jun 2026

320 Washington St

3 bd · 1,404 sqft · built 1967 · 0.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$184,900Jul 2007 $7272025 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

400 Washington St

3 bd · 1,442 sqft · built 1990 · 0.385 acres

Last Sale Tax Bill Prior Sale Owner Records
$8242025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

405 Washington St

4 bd · 3 ba · 1,392 sqft · built 2000 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$345,000Sep 2023 $9322025 Amount on Record Jul 2011 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Jun 2026

406 Washington St

3 bd · 832 sqft · built 1966 · 0.279 acres

Last Sale Tax Bill Prior Sale Owner Records
$7102025 Owner on Record AssessorUpdated Jun 2026

409 Washington St

3 bd · 1,702 sqft · built 1990 · 0.259 acres

Last Sale Tax Bill Prior Sale Owner Records
$191,900Aug 2005 $8112025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

410 Washington St

3 bd · 1 ba · 1,235 sqft · built 1963 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$160,000Aug 2019 $6562025 Amount on Record Mar 2012 Owner on Record Assessor + 3 DocumentsUpdated Jun 2026

500 Washington St

3 bd · 2 ba · 1,344 sqft · built 1989 · 0.234 acres

Last Sale Tax Bill Prior Sale Owner Records
$82,500Oct 2000 $4192025 Owner on Record Owner Occupied AssessorUpdated Jun 2026

502 Washington St

0.185 acres

Last Sale Tax Bill Prior Sale Owner Records
$19,500Apr 2003 Owner on Record Owner Occupied AssessorUpdated Jun 2026

504 Washington St

3 bd · 1,120 sqft · built 1990 · 0.187 acres

Last Sale Tax Bill Prior Sale Owner Records
$7392025 2 Owners on Record Owner Occupied AssessorUpdated Jun 2026

Property Records in Nearby Streets