Union St, Millsboro, DE Property Records

Sussex County property records for 23 addresses on Union St, Millsboro, DE · Last verified September 2026

Union St Highlights

Properties 23
Median Sale Price $130,000
Deeds and Mortgages on File 17
Median Price per Sqft $124
Owner Occupied 48%
Median Annual Tax Bill $434
Median Year Built 1956
Median Ownership Tenure 13 years

Properties on Union St

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

319 Union St

0.209 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,000Aug 1986 $1282026 2 Owners on Record AssessorUpdated Sep 2026

323 Union St

3 bd · 1 ba · 1,080 sqft · built 1985 · 0.314 acres

Last Sale Tax Bill Prior Sale Owner Records
$3302026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

331 Union St

720 sqft · built 1980 · 0.184 acres

Last Sale Tax Bill Prior Sale Owner Records
$70,000Nov 2003 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

401 Union St

4 bd · 1 ba · 1,632 sqft · built 1899 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$45,000Oct 1995 $2682026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

405 Union St

3 bd · 1 ba · 960 sqft · built 1899 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$80,000Oct 2024 $3372026 —Jan 1995 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

409 Union St

3 bd · 2 ba · 1,144 sqft · built 1997 · 0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 1997 $5632026 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

410 Union St

3 bd · 1 ba · 840 sqft · built 1899 · 0.266 acres

Last Sale Tax Bill Prior Sale Owner Records
$230,000Jul 2025 $4062026 Amount on Record Oct 1988 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

413 Union St

2 bd · 2 ba · 1,502 sqft · built 1939 · 0.158 acres

Last Sale Tax Bill Prior Sale Owner Records
$95,000Mar 2021 $4432026 Amount on Record Nov 2014 2 Owners on Record Assessor + 3 DocumentsUpdated Sep 2026

417 Union St

1 ba · 1,248 sqft · built 1922 · 0.163 acres

Last Sale Tax Bill Prior Sale Owner Records
$43,000Oct 2016 $1162026 —Nov 2015 Owner on Record AssessorUpdated Sep 2026

419 Union St

3 bd · 2 ba · 1,408 sqft · built 1989 · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$89,900Jul 2002 $6112026 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

421 Union St

3 bd · 1,248 sqft · built 1985 · 0.184 acres

Last Sale Tax Bill Prior Sale Owner Records
$55,000Sep 1991 $4742026 2 Owners on Record Assessor + 1 DocumentUpdated Sep 2026

422 Union St

1.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$8922026 Owner on Record AssessorUpdated Sep 2026

425 Union St

2 bd · 1,260 sqft · built 2000 · 0.174 acres

Last Sale Tax Bill Prior Sale Owner Records
$3692026 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

426 Union St

1 ba · 1,088 sqft · built 1974 · 0.304 acres

Last Sale Tax Bill Prior Sale Owner Records
$5862026 Owner on Record AssessorUpdated Sep 2026

427 Union St

1 ba · 625 sqft · built 1956 · 0.295 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2000 $2172026 2 Owners on Record Assessor + 1 DocumentUpdated Sep 2026

430 Union St

1 bd · 1 ba · 527 sqft · built 1974 · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$4102026 Owner on Record AssessorUpdated Sep 2026

431 Union St

2 bd · 1 ba · 936 sqft · built 1947 · 0.214 acres

Last Sale Tax Bill Prior Sale Owner Records
$7262026 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

434 Union St

3 bd · 1 ba · 1,292 sqft · built 1974 · 0.583 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Jul 2012 $5272026 Owner on Record AssessorUpdated Sep 2026

435 Union St

2 bd · 1 ba · 1,020 sqft · built 1947 · 0.214 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2013 $4612026 Owner on Record AssessorUpdated Sep 2026

438 Union St

3 bd · 1 ba · 1,352 sqft · built 1974 · 0.283 acres

Last Sale Tax Bill Prior Sale Owner Records
$3242026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

439 Union St

2 bd · 1 ba · 876 sqft · built 1947 · 0.211 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2014 $3582026 Owner on Record AssessorUpdated Sep 2026

441 Union St

2 bd · 1 ba · 1,040 sqft · built 1939 · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,000Jul 2026 $4332026 —Jun 2017 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

444 Union St

4 bd · 1 ba · 1,248 sqft · built 1899 · 1.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$155,000Dec 2014 $5762026 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

Property Records in Nearby Streets