Union St Ext, Milton, DE Property Records

Sussex County property records for 68 addresses on Union St Ext, Milton, DE · Last verified August 2026

Union St Ext Highlights

Properties 68
Median Sale Price $240,000
Deeds and Mortgages on File 70
Median Price per Sqft $235
Owner Occupied 63%
Median Annual Tax Bill $506
Median Year Built 1980
Median Ownership Tenure 10 years

Properties on Union St Ext

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

12184 Union St Ext

2.8 acres

Last Sale Tax Bill Prior Sale Owner Records
$330,000Dec 2015 $3582025 1 Name on Record AssessorUpdated Jun 2026

12212 Union St Ext

3 bd · 1,424 sqft · built 1999 · 0.964 acres

Last Sale Tax Bill Prior Sale Owner Records
$5722025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12228 Union St Ext

3 bd · 624 sqft · built 1940 · 1.99 acres

Last Sale Tax Bill Prior Sale Owner Records
$4452025 1 Name on Record AssessorUpdated Jun 2026

12237 Union St Ext

1.76 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 1984 $2632025 1 Name on Record AssessorUpdated Jun 2026

12253 Union St Ext

3 bd · 1,764 sqft · built 2000 · 1.02 acres

Last Sale Tax Bill Prior Sale Owner Records
$7762025 1 Name on Record AssessorUpdated Jun 2026

12256 Union St Ext

3 bd · 1,440 sqft · built 1999 · 1.63 acres

Last Sale Tax Bill Prior Sale Owner Records
$295,000May 2005 $4742025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12292 Union St Ext

2.91 acres

Last Sale Tax Bill Prior Sale Owner Records
$662,500Dec 2007 $9972025 1 Name on Record AssessorUpdated Jun 2026

12293 Union St Ext

3 bd · 1,316 sqft · built 2000 · 1.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Dec 2021 $4692025 Amount on Record Sep 1994 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12330 Union St Ext

2 bd · 804 sqft · built 1980 · 0.928 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,000Jan 2010 $6602025 1 Name on Record AssessorUpdated Jun 2026

12345 Union St Ext

3 bd · 2 ba · 875 sqft · built 1999 · 1.46 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,000Apr 2022 $3462025 —May 2010 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

12377 Union St Ext

3 bd · 1 ba · 1,560 sqft · built 1968 · 0.688 acres

Last Sale Tax Bill Prior Sale Owner Records
$190,000May 2012 $2452025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12389 Union St Ext

3 bd · 1 ba · 1,056 sqft · built 1970 · 0.585 acres

Last Sale Tax Bill Prior Sale Owner Records
$3372025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12419 Union St Ext

3 bd · 1,176 sqft · built 1999 · 0.459 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,933Jun 2017 $3832025 —Jan 2010 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12452 Union St Ext

3 bd · 2 ba · 864 sqft · built 1910 · 0.684 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Oct 2025 $2432025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

12518 Union St Ext

3 bd · 1,755 sqft · built 1999 · 1.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$465,500Feb 1988 $9352025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12530 Union St Ext

3 bd · 952 sqft · built 1999 · 9.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$1372025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12546 Union St Ext

3 bd · 2 ba · 1,560 sqft · built 1992 · 0.459 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,000Apr 1986 $7332025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12558 Union St Ext

3 bd · 1,820 sqft · built 1999 · 1.14 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 1993 $5172025 1 Name on Record AssessorUpdated Jun 2026

12580 Union St Ext

3 bd · 1,232 sqft · built 1999 · 0.921 acres

Last Sale Tax Bill Prior Sale Owner Records
$5692025 2 Names on Record AssessorUpdated Jun 2026

12624 Union St Ext

3 bd · 2 ba · 1,400 sqft · built 1992 · 0.619 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2011 $7682025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12627 Union St Ext

3 bd · 2 ba · 1,524 sqft · built 1994 · 0.993 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000Jul 2022 $7612025 Amount on Record Dec 2016 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12653 Union St Ext

3 bd · 1,638 sqft · built 2000 · 1.21 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Jun 2010 $4802025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12671 Union St Ext

3 bd · 2 ba · 1,862 sqft · built 1993 · 4.76 acres

Last Sale Tax Bill Prior Sale Owner Records
$9412025 2 Names on Record AssessorUpdated Jun 2026

12697 Union St Ext

3 bd · 2,142 sqft · built 2000 · 2 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,0162025 1 Name on Record Assessor + 2 DocumentsUpdated Jun 2026

12698 Union St Ext

3 bd · 1,764 sqft · built 1890 · 139 acres

Last Sale Tax Bill Prior Sale Owner Records
$6232025 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

12842 Union St Ext

3 bd · 1,376 sqft · built 1980 · 0.642 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2018 $3902025 Amount on Record Dec 2014 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

12854 Union St Ext

2 bd · 1,176 sqft · built 2020 · 0.321 acres

Last Sale Tax Bill Prior Sale Owner Records
$6712025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12869 Union St Ext

31.6 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Apr 1987 $5022023 1 Name on Record AssessorUpdated Jun 2026

12876 Union St Ext

1 bd · 840 sqft · built 2005 · 0.642 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2010 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

12891 Union St Ext

2 bd · 864 sqft · built 1958 · 0.809 acres

Last Sale Tax Bill Prior Sale Owner Records
$232,000May 2021 $5532025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

12898 Union St Ext

3 bd · 1,092 sqft · built 1960 · 0.964 acres

Last Sale Tax Bill Prior Sale Owner Records
$240,000Oct 2021 $5402025 1 Name on Record Assessor + 3 DocumentsUpdated Jun 2026

12903 Union St Ext

2 bd · 1,530 sqft · built 1953 · 0.723 acres

Last Sale Tax Bill Prior Sale Owner Records
$3402025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12917 Union St Ext

3 bd · 1,344 sqft · built 1946 · 0.906 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000May 2022 $6872025 Amount on Record Jun 2020 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

12926 Union St Ext

3 bd · 868 sqft · built 1980 · 0.532 acres

Last Sale Tax Bill Prior Sale Owner Records
$4702025 1 Name on Record AssessorUpdated Jun 2026

12927 Union St Ext

1.38 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Aug 2020 $2892025 2 Names on Record Assessor + 2 DocumentsUpdated Jun 2026

12937 Union St Ext

4 bd · 4 ba · 2,936 sqft · built 2007 · 5 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,0382025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

12938 Union St Ext

3 bd · 1,144 sqft · built 1930 · 0.436 acres

Last Sale Tax Bill Prior Sale Owner Records
$85,000Sep 2022 $5642025 Amount on Record Oct 1985 2 Names on Record Assessor + 3 DocumentsUpdated Jun 2026

12948 Union St Ext

3 bd · 812 sqft · built 1980 · 0.357 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,000Jul 1989 $2472025 2 Names on Record AssessorUpdated Jun 2026

12956 Union St Ext

2 bd · 840 sqft · built 1980 · 0.53 acres

Last Sale Tax Bill Prior Sale Owner Records
$2502025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

12964 Union St Ext

3 bd · 1,092 sqft · built 1980 · 0.503 acres

Last Sale Tax Bill Prior Sale Owner Records
$5602025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

13009 Union St Ext

4 bd · 4 ba · 3,176 sqft · built 1999 · 5 acres

Last Sale Tax Bill Prior Sale Owner Records
$245,000Feb 2012 $1,4452025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

13019 Union St Ext

3 bd · 3 ba · 2,450 sqft · built 2002 · 3.01 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 1998 $6842025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

13032 Union St Ext

3 bd · 1 ba · 1,860 sqft · built 1949 · 0.786 acres

Last Sale Tax Bill Prior Sale Owner Records
$190,000Jul 2009 $6202025 1 Name on Record AssessorUpdated Jun 2026

13038 Union St Ext

3 bd · 616 sqft · built 1960 · 0.482 acres

Last Sale Tax Bill Prior Sale Owner Records
$330,000Mar 2025 $4382025 Amount on Record Jun 2016 1 Name on Record AssessorUpdated Jun 2026

13058 Union St Ext

3 bd · 1,664 sqft · built 1900 · 1.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$339,000Sep 2024 $6662025 Amount on Record May 1985 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

13074 Union St Ext

2 bd · 1,056 sqft · built 1980 · 1.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$5192025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

13086 Union St Ext

3 bd · 1,008 sqft · built 1940 · 0.826 acres

Last Sale Tax Bill Prior Sale Owner Records
$26,000Jan 1997 $4752025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

13092 Union St Ext

2 bd · 980 sqft · built 1954 · 0.709 acres

Last Sale Tax Bill Prior Sale Owner Records
$38,000Nov 1991 $3602025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

13098 Union St Ext

3 bd · 880 sqft · built 1960 · 0.225 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,000May 2016 $4212025 Amount on Record May 1987 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

14052 Union St Ext

3 bd · 1,560 sqft · built 1980 · 5.64 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2023 $7192025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

14070 Union St Ext

2.25 acres

Last Sale Tax Bill Prior Sale Owner Records
$2892025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

14106 Union St Ext

0.74 acres

Last Sale Tax Bill Prior Sale Owner Records
$3422025 1 Name on Record AssessorUpdated Jun 2026

14129 Union St Ext

2 bd · 780 sqft · built 1980 · 0.278 acres

Last Sale Tax Bill Prior Sale Owner Records
$209,000Oct 2023 $5522025 Amount on Record Oct 1993 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Jun 2026

14134 Union St Ext

3 bd · 768 sqft · built 1980 · 0.689 acres

Last Sale Tax Bill Prior Sale Owner Records
$55,000Mar 1989 $2512025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

14140 Union St Ext

2 bd · 1 ba · 1,296 sqft · built 1944 · 0.646 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000Jul 2026 $4582025 Amount on Record Sep 2021 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

14141 Union St Ext

3 bd · 1,176 sqft · built 1936 · 0.193 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Jul 2025 $3152025 Amount on Record Jul 2003 1 Name on Record AssessorUpdated Aug 2026

14146 Union St Ext

3 bd · 1,152 sqft · built 1980 · 1.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000Aug 2015 $4832025 1 Name on Record AssessorUpdated Jun 2026

14147 Union St Ext

2 bd · 1,092 sqft · built 1942 · 0.305 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,200Oct 2025 $3582025 Amount on Record Sep 2024 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

14153 Union St Ext

3 bd · 972 sqft · built 1935 · 0.255 acres

Last Sale Tax Bill Prior Sale Owner Records
$330,000Nov 2024 $2952025 Amount on Record Oct 2021 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jun 2026

14161 Union St Ext

3 bd · 1 ba · 1,920 sqft · built 2022 · 0.792 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000Apr 2022 $5652025 1 Name on Record Assessor + 5 DocumentsUpdated Jun 2026

14166 Union St Ext

3 bd · 1,542 sqft · built 1924 · 0.991 acres

Last Sale Tax Bill Prior Sale Owner Records
$134,900Jan 2013 $6552025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

14174 Union St Ext

1 bd · 1,028 sqft · built 1920 · 0.851 acres

Last Sale Tax Bill Prior Sale Owner Records
$32,500Jul 1984 $2772025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

14177 Union St Ext

3 bd · 1,568 sqft · built 1980 · 0.769 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2021 $5062025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

14185 Union St Ext

3 bd · 1,904 sqft · built 1980 · 0.863 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Mar 2003 $5702025 1 Name on Record AssessorUpdated Jun 2026

14186 Union St Ext

2 bd · 1,820 sqft · built 1980 · 0.633 acres

Last Sale Tax Bill Prior Sale Owner Records
$5782025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

14198 Union St Ext

3 bd · 1,404 sqft · built 1980 · 0.427 acres

Last Sale Tax Bill Prior Sale Owner Records
$330,000Jul 2026 $4732025 Amount on Record Aug 2023 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

14242 Union St Ext

3 bd · 1,248 sqft · built 1980 · 4.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$5442025 2 Names on Record Assessor + 2 DocumentsUpdated Jun 2026

14266 Union St Ext

4 bd · 1,436 sqft · built 1950 · 0.73 acres

Last Sale Tax Bill Prior Sale Owner Records
$222,600Apr 2018 $6632025 Amount on Record Sep 2012 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

Wildfire Risk on Union St Ext

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

Wildfire RiskLow
this street's cells rank above 9% of the US · above 23% of Delaware
Wildfire LikelihoodLess than 1 in 10,000 per year
ExposureDirect
4 of 22 cells directly exposed · 18 adjoin burnable vegetation

Property Records in Nearby Streets