21st St SE, Mandan, ND Property Records

Morton County property records for 42 addresses on 21st St SE, Mandan, ND · Last verified August 2026

21st St SE Highlights

Properties 178
Median Sale Price $240,000
Deeds and Mortgages on File 306
Owner Occupied 14%
Median Annual Tax Bill $3,102
Median Ownership Tenure 4 years

Properties on 21st St SE

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

900 21st St SE

0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
$406,300Nov 2016 $4,0562025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

901 21st St SE

0.319 acres

Last Sale Tax Bill Prior Sale Owner Records
$209,300Sep 2009 $5,8442025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

904 21st St SE

0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2022 $2,1252025 —Nov 2011 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

907 21st St SE

0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$187,000Jul 2006 $3,4212025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

908 21st St SE

0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$341,000May 2021 $3,0142025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

912 21st St SE

0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Nov 2021 $4,1132025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

916 21st St SE

0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$249,900Aug 2014 $2,7342025 Amount on Record Dec 2012 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

1000 21st St SE

0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$159,500Feb 2009 $2,2922025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

1001 21st St SE

0.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$217,000Feb 2012 $3,2462025 Amount on Record Dec 2006 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

1004 21st St SE

0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$3772025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

1008 21st St SE

0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$368,000Jul 2026 $1,0832025 Amount on Record Mar 2018 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

1012 21st St SE

0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,1272025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

3500 21st St SE

12.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$20,470,000Aug 2017 $49,8342025 2 Names on Record Assessor + 1 DocumentUpdated Apr 2026

3511 21st St SE

8.64 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,080,000Jul 2019 $191,1382025 Amount on Record Mar 2019 1 Name on Record Assessor + 5 DocumentsUpdated Aug 2026

3601 21st St SE

2.79 acres

Last Sale Tax Bill Prior Sale Owner Records
$89,6252025 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026
Last Sale Tax Bill Prior Sale Owner Records
$3,3982025 1 Name on Record AssessorUpdated Aug 2026

3840 21st St SE

9 units

Last Sale Median Tax Bill Median Sale    
$302,442Mar 2026 $3,0882025 —9 units    

3848 21st St SE

6 units

Last Sale Median Tax Bill Median Sale    
$239,000Sep 2025 $2,3382025 —6 units    
Last Sale Tax Bill Prior Sale Owner Records
—Dec 2023 $4,0122025 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026
Last Sale Tax Bill Prior Sale Owner Records
$4,0122025 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

3860 21st St SE

16 units

Last Sale Median Tax Bill Median Sale    
$250,000Feb 2026 $3,3652025 $250,00016 units    

3868 21st St SE

12 units

Last Sale Median Tax Bill Median Sale    
$236,000Jun 2026 $2,3432025 $184,90012 units    
Last Sale Tax Bill Prior Sale Owner Records
$7712023 1 Name on Record AssessorUpdated Mar 2024
Last Sale Tax Bill Prior Sale Owner Records
$500Mar 2022 $9482023 1 Name on Record Assessor + 1 DocumentUpdated Mar 2024
Last Sale Tax Bill Prior Sale Owner Records
$1,9342023 1 Name on Record AssessorUpdated Mar 2024

3930 21st St SE

16 units

Last Sale Median Tax Bill Median Sale    
$335,000May 2026 $3,8752025 $214,90016 units    

3938 21st St SE

12 units

Last Sale Median Tax Bill Median Sale    
$240,000Mar 2024 $2,7552025 $174,90012 units    

3950 21st St SE

16 units

Last Sale Median Tax Bill Median Sale    
$350,000Jan 2024 $4,1402025 $249,90016 units    

3958 21st St SE

8 units

Last Sale Median Tax Bill Median Sale    
$225,412Oct 2023 $4,0122025 —8 units    

4050 21st St SE

9 units

Last Sale Median Tax Bill Median Sale    
$293,400May 2026 $3,4112025 $240,0009 units    

4101 21st St SE

15 units

Last Sale Median Tax Bill Median Sale    
$232,000Dec 2023 $2,8032025 $190,00015 units    

4200 21st St SE

9 units

Last Sale Median Tax Bill Median Sale    
$2,7932025    

4201 21st St SE

3.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$243,000May 2007 $67,9172025 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

4240 21st St SE

10 units

Last Sale Median Tax Bill Median Sale    
$330,000Apr 2025 $2,9232025 $245,00010 units    

4301 21st St SE

2.8 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,500,000Jul 2010 $71,1952025 Amount on Record Jun 2010 1 Name on Record AssessorUpdated Aug 2026

4400 21st St SE

3.78 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2011 $128,0852025 1 Name on Record AssessorUpdated Aug 2026

4401 21st St SE

4.06 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2025 $87,4792025 Amount on Record Feb 2025 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

4430 21st St SE

1.9 acres

Last Sale Tax Bill Prior Sale Owner Records
$10,600,000Jun 2022 $132,0492025 —Sep 2013 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

4500 21st St SE

6 units

Last Sale Median Tax Bill Median Sale    
$200,000May 2021 $1,0542025 $170,0006 units    

4510 21st St SE

6 units

Last Sale Median Tax Bill Median Sale    
$176,000Aug 2014 $2,5892025 $137,9006 units    

4600 21st St SE

0.88 acres

Last Sale Tax Bill Prior Sale Owner Records
$201,000Nov 2017 $8,4122025 —Apr 2015 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

4610 21st St SE

0.55 acres

Last Sale Tax Bill Prior Sale Owner Records
$201,000Nov 2017 $4,1292025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

Wildfire Risk on 21st St SE

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

Wildfire RiskLow
this street's cells rank above 15% of the US · above 24% of North Dakota
Wildfire LikelihoodLess than 1 in 10,000 per year
ExposureDirect
2 of 10 cells directly exposed · 7 adjoin burnable vegetation

Property Records in Nearby Streets