21st Ave S, Great Falls, MT Property Records

Cascade County property records for 87 addresses on 21st Ave S, Great Falls, MT · Last verified September 2026

21st Ave S Highlights

Properties 87
Median Sale Price $169,700
Deeds and Mortgages on File 85
Median Price per Sqft $165
Owner Occupied 71%
Median Annual Tax Bill $1,622
Median Year Built 1999
Median Ownership Tenure 7 years

Properties on 21st Ave S

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

200 21st Ave S

0.639 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,3192026 Owner on Record AssessorUpdated Sep 2026

201 21st Ave S

2 bd · 1 ba · 924 sqft · built 1910 · 0.514 acres

Last Sale Tax Bill Prior Sale Owner Records
$131,300Mar 2007 $6402026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

208 21st Ave S

3 bd · 1 ba · 1,092 sqft · built 1960 · 0.482 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2022 $1,9182026 Amount on Record Nov 2015 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

301 21st Ave S

3 bd · 2 ba · 900 sqft · built 1950 · 1.43 acres

Last Sale Tax Bill Prior Sale Owner Records
$187,500Mar 2018 $1,6022026 Amount on Record Oct 2011 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

305 21st Ave S

3 bd · 1.5 ba · 976 sqft · built 1960 · 1.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$295,700Aug 2021 $2,9872026 Amount on Record Nov 2014 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

306 21st Ave S

4 bd · 3 ba · 1,560 sqft · built 1978 · 1.58 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2022 $7,2652026 Owner on Record Assessor + 1 DocumentUpdated Sep 2026

315 21st Ave S

3 bd · 2 ba · 1,762 sqft · built 2013 · 1.26 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Apr 2019 $3,1302026 Amount on Record Mar 2017 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Sep 2026

335 21st Ave S

1.26 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2018 $2,2122026 —Jul 2017 2 Owners on Record Assessor + 3 DocumentsUpdated Sep 2026

345 21st Ave S

3 bd · 1.5 ba · 1,484 sqft · built 1960 · 1.27 acres

Last Sale Tax Bill Prior Sale Owner Records
$218,800Mar 2021 $1,7672026 —Sep 2018 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

401 21st Ave S

3 bd · 2 ba · 1,344 sqft · built 1971 · 1.27 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,000Sep 2013 $6612026 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

415 21st Ave S

2 bd · 1 ba · 1,152 sqft · built 1955 · 0.355 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,0762026 2 Owners on Record AssessorUpdated Sep 2026

417 21st Ave S

2 bd · 1 ba · 864 sqft · built 1955 · 1.06 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 1998 $1,0502026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

824 21st Ave S

2 bd · 1 ba · 1,120 sqft · built 1969 · 0.43 acres

Last Sale Tax Bill Prior Sale Owner Records
$9382026 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

900 21st Ave S

3 bd · 2 ba · 2,640 sqft · built 2019 · 1.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,4842026 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Sep 2026

940 21st Ave S

3 bd · 2 ba · 1,394 sqft · built 1995 · 1.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$393,800Mar 2018 $6,3202026 —Nov 2014 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

1002 21st Ave S

4 bd · 1 ba · 968 sqft · built 1949 · 0.241 acres

Last Sale Tax Bill Prior Sale Owner Records
$197,106Dec 2022 $6982026 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

1004 21st Ave S

1 bd · 1 ba · 780 sqft · built 1980 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2001 $7512026 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

1008 21st Ave S

3 bd · 1 ba · 1,040 sqft · built 1962 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,000Sep 2019 $2,4452026 2 Owners on Record Assessor + 2 DocumentsUpdated Sep 2026

1014 21st Ave S

2 bd · 1 ba · 3,480 sqft · built 2012 · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2007 $1,5202026 2 Owners on Record Assessor + 1 DocumentUpdated Sep 2026

1020 21st Ave S

6,468 sqft · built 2012 · 0.33 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2007 $2,5412026 2 Owners on Record Assessor + 1 DocumentUpdated Sep 2026

1301 21st Ave S

3 bd · 2 ba · 1,774 sqft · built 2000 · 0.214 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,4122026 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

1400 21st Ave S

0.214 acres

Last Sale Tax Bill Prior Sale Owner Records
$1222026 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

1401 21st Ave S

3,900 sqft · built 1974 · 0.86 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2003 $3,5952026 Owner on Record Assessor + 1 DocumentUpdated Sep 2026

1410 21st Ave S

1 bd · 1.5 ba · 768 sqft · built 1966 · 0.016 acres

Last Sale Tax Bill Prior Sale Owner Records
$1132023 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

1412 21st Ave S

3 bd · 2 ba · 1,216 sqft · built 2013 · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
$6502026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

1423 21st Ave S

0.071 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2025 $5442026 Owner on Record AssessorUpdated Sep 2026

1425 21st Ave S

0.071 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2025 $5442026 Owner on Record AssessorUpdated Sep 2026

1500 21st Ave S

3 bd · 2 ba · 1,809 sqft · built 1999 · 0.43 acres

Last Sale Tax Bill Prior Sale Owner Records
$189,100Mar 2020 $6862026 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

1501 21st Ave S

1,320 sqft · built 1967 · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2025 $8732026 Owner on Record AssessorUpdated Sep 2026

1505 21st Ave S

4 bd · 1 ba · 2,090 sqft · built 1964 · 0.287 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 1999 $4,6332026 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

1515 21st Ave S

3 bd · 2 ba · 1,216 sqft · built 1977 · 0.027 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,0882026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

1516 21st Ave S

1 bd · 1.5 ba · 600 sqft · built 2012 · 0.358 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2011 $1,1222026 —May 2011 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Sep 2026

1519 21st Ave S

2 bd · 2 ba · 1,008 sqft · built 1978

Last Sale Tax Bill Prior Sale Owner Records
$2162026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

1523 21st Ave S

2 bd · 1 ba · 672 sqft · built 1969

Last Sale Tax Bill Prior Sale Owner Records
$1042026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

1526 21st Ave S

1 bd · 1 ba · 600 sqft · built 1930 · 0.214 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2015 $2,4302026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

1527 21st Ave S

2 bd · 1 ba · 924 sqft · built 1978 · 0.016 acres

Last Sale Tax Bill Prior Sale Owner Records
$3592026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

1600 21st Ave S

0.214 acres

Last Sale Tax Bill Prior Sale Owner Records
$2972026 Owner on Record AssessorUpdated Sep 2026

1601 21st Ave S

2 bd · 1 ba · 980 sqft · built 1927 · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
$117,500Aug 2018 $1,5212026 —Aug 2017 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

1604 21st Ave S

2 bd · 2 ba · 1,108 sqft · built 1977 · 0.573 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,8412026 Owner on Record AssessorUpdated Sep 2026

1605 21st Ave S

0.071 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2002 $152026 2 Owners on Record AssessorUpdated Sep 2026

1609 21st Ave S

4 bd · 2 ba · 1,048 sqft · built 2003 · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2003 $1,9232026 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

1613 21st Ave S

4 bd · 2 ba · 1,008 sqft · built 2003 · 0.185 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,400Oct 2011 $1,8912026 Amount on Record Sep 2010 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Sep 2026

1617 21st Ave S

4 bd · 2 ba · 1,043 sqft · built 2004 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$232,900Mar 2021 $2,0222026 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

1623 21st Ave S

0.071 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 1996 $5442026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

1627 21st Ave S

2 bd · 1 ba · 784 sqft · built 1969

Last Sale Tax Bill Prior Sale Owner Records
$2102026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

1700 21st Ave S

0.287 acres

Last Sale Tax Bill Prior Sale Owner Records
$8802026 Owner on Record AssessorUpdated Sep 2026

1701 21st Ave S

3 bd · 2 ba · 760 sqft · built 2010 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$172,200Nov 2020 $1,6172026 Amount on Record Jan 2012 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

1703 21st Ave S

3 bd · 2 ba · 760 sqft · built 2010 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$159,100Nov 2015 $1,6162026 Amount on Record Feb 2012 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

1705 21st Ave S

3 bd · 2 ba · 760 sqft · built 2010 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$138,300May 2014 $1,6112026 Amount on Record Sep 2011 Owner on Record Owner Occupied AssessorUpdated Sep 2026

1707 21st Ave S

3 bd · 2 ba · 760 sqft · built 2010 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$165,800Sep 2019 $1,6162026 Amount on Record Jul 2011 Owner on Record Assessor + 2 DocumentsUpdated Sep 2026

1709 21st Ave S

3 bd · 2 ba · 760 sqft · built 2010 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$213,600Mar 2021 $1,6112026 Amount on Record Nov 2011 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

1710 21st Ave S

0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2018 $1,6622026 —Jul 2007 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Sep 2026

1711 21st Ave S

3 bd · 2 ba · 760 sqft · built 2011 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$82,400Mar 2012 $4,0352026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

1713 21st Ave S

3 bd · 2 ba · 760 sqft · built 2011 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2020 $1,6122026 Amount on Record Aug 2019 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

1715 21st Ave S

3 bd · 2 ba · 760 sqft · built 2011 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$264,071Oct 2022 $1,6202026 Amount on Record Sep 2021 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

1725 21st Ave S

5 bd · 2 ba · 849 sqft · built 1951 · 0.358 acres

Last Sale Tax Bill Prior Sale Owner Records
$7772026 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

1800 21st Ave S

2 bd · 1 ba · 690 sqft · built 1927 · 0.287 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2026 $7012026 —Apr 2024 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

1801 21st Ave S

2 bd · 1 ba · 864 sqft · built 1951 · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,0182026 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

1805 21st Ave S

2 bd · 1 ba · 1,188 sqft · built 1927 · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2022 $2,1752026 2 Owners on Record Assessor + 1 DocumentUpdated Sep 2026

1811 21st Ave S

2 bd · 1 ba · 1,374 sqft · built 1949 · 0.214 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,3852026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

1813 21st Ave S

1 bd · 1 ba · 400 sqft · built 2002 · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
$70,500Jun 2010 $1332026 Amount on Record Feb 2008 Owner on Record Owner Occupied AssessorUpdated Sep 2026

1815 21st Ave S

3 bd · 1 ba · 1,348 sqft · built 1970 · 0.142 acres

Last Sale Tax Bill Prior Sale Owner Records
$75,000Sep 2006 $1642026 Amount on Record Aug 2005 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

1818 21st Ave S

2 bd · 1 ba · 672 sqft · built 1970 · 0.43 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2023 $3092026 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

1826 21st Ave S

4 bd · 3 ba · 1,568 sqft · built 2005 · 0.287 acres

Last Sale Tax Bill Prior Sale Owner Records
$206,300Apr 2005 $2,1262026 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

1901 21st Ave S

3 bd · 2 ba · 1,793 sqft · built 1997 · 0.501 acres

Last Sale Tax Bill Prior Sale Owner Records
$882026 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

1902 21st Ave S

5 bd · 2 ba · 1,792 sqft · built 1999 · 0.287 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,0082026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

1920 21st Ave S

0.214 acres

Last Sale Tax Bill Prior Sale Owner Records
$7282026 2 Owners on Record AssessorUpdated Sep 2026

1925 21st Ave S

2 bd · 1 ba · 954 sqft · built 1940 · 0.214 acres

Last Sale Tax Bill Prior Sale Owner Records
$4492026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

1926 21st Ave S

3 bd · 1 ba · 1,280 sqft · built 1945 · 0.214 acres

Last Sale Tax Bill Prior Sale Owner Records
$75,000May 2014 $1,3762026 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

2000 21st Ave S

3 bd · 2 ba · 1,367 sqft · built 2020 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$279,300May 2022 $2,2392026 Amount on Record Dec 2019 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2001 21st Ave S

0.148 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2021 Owner on Record Assessor + 1 DocumentUpdated Sep 2026

2004 21st Ave S

3 bd · 2 ba · 1,382 sqft · built 2020 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$203,000Nov 2019 $2,2622026 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2005 21st Ave S

3 bd · 2 ba · 1,368 sqft · built 2019 · 0.148 acres

Last Sale Tax Bill Prior Sale Owner Records
$227,400Nov 2019 $2,1952026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

2008 21st Ave S

3 bd · 2 ba · 1,367 sqft · built 2019 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$212,500Nov 2019 $2,2352026 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

2009 21st Ave S

3 bd · 2 ba · 1,220 sqft · built 2019 · 0.148 acres

Last Sale Tax Bill Prior Sale Owner Records
$177,800Nov 2019 $2,1052026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

2012 21st Ave S

3 bd · 2 ba · 1,367 sqft · built 2020 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$212,500Nov 2019 $2,2392026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

2013 21st Ave S

3 bd · 2 ba · 1,220 sqft · built 2019 · 0.148 acres

Last Sale Tax Bill Prior Sale Owner Records
$185,900Nov 2019 $2,1312026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

2016 21st Ave S

3 bd · 2 ba · 1,380 sqft · built 2020 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$230,500Nov 2019 $2,2532026 Owner on Record Owner Occupied AssessorUpdated Sep 2026

2017 21st Ave S

3 bd · 2 ba · 1,028 sqft · built 2020 · 0.148 acres

Last Sale Tax Bill Prior Sale Owner Records
$123,220Sep 2026 $2,0382026 Amount on Record Feb 2020 Owner on Record Owner Occupied AssessorUpdated Sep 2026

2021 21st Ave S

3 bd · 2 ba · 1,368 sqft · built 2020 · 0.148 acres

Last Sale Tax Bill Prior Sale Owner Records
$227,400Nov 2019 $2,2072026 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2100 21st Ave S

3 bd · 2 ba · 1,367 sqft · built 2020 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$236,500Jul 2020 $2,2392026 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

2104 21st Ave S

3 bd · 2 ba · 1,367 sqft · built 2020 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$236,500Jul 2020 $2,2272026 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

2108 21st Ave S

3 bd · 2 ba · 1,367 sqft · built 2020 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$236,500Jul 2020 $2,2272026 Amount on Record Feb 2011 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

2112 21st Ave S

3 bd · 2 ba · 1,220 sqft · built 2020 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$232,600Jul 2020 $2,1432026 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

2200 21st Ave S

1,768 sqft · built 2014 · 1.31 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2013 $1,1072025 Owner on Record AssessorUpdated Sep 2026

2208 21st Ave S

10,380 sqft · built 2008 · 1.31 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,869,866Mar 2025 $21,6482026 Amount on Record Sep 2008 Owner on Record AssessorUpdated Sep 2026

2403 21st Ave S

15.3 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2026 $30,9122026 —Jun 2026 Owner on Record Assessor + 1 DocumentUpdated Sep 2026

Property Records in Nearby Streets