Old State Rte 21, Barnhart, MO Property Records

Jefferson County property records for 90 addresses on Old State Rte 21, Barnhart, MO · Last verified September 2026

Old State Rte 21 Highlights

Properties 90
Median Sale Price $159,800
Deeds and Mortgages on File 121
Median Price per Sqft $146
Owner Occupied 41%
Median Annual Tax Bill $1,232
Median Year Built 1962
Median Ownership Tenure 6 years

Properties on Old State Rte 21

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

6515 Old State Rte 21

1 ba · 5,600 sqft · built 2005 · 4.7 acres

Last Sale Tax Bill Prior Sale Owner Records
$244,200Mar 2006 $12,1132025 —Dec 2004 Owner on Record AssessorUpdated Sep 2026

6553 Old State Rte 21

1 ba · 3,000 sqft · built 1999 · 0.6 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2022 $1,9812024 —Oct 2021 2 Owners on Record Assessor + 1 DocumentUpdated Aug 2026

6580 Old State Rte 21

6,144 sqft · built 2009 · 34.6 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2006 $8,1892024 Owner on Record AssessorUpdated Apr 2026

6601 Old State Rte 21

2 ba · 949 sqft · built 1967 · 10 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,5022025 Owner on Record Assessor + 1 DocumentUpdated Sep 2026

6681 Old State Rte 21

1.5 ba · 1,556 sqft · built 1967 · 0.48 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2026 $6,3882025 —Jan 2026 2 Owners on Record Assessor + 2 DocumentsUpdated Sep 2026

6687 Old State Rte 21

1 ba · 3,652 sqft · built 1996 · 7.23 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2026 $3,2712024 —Jan 2026 2 Owners on Record Assessor + 4 DocumentsUpdated Jul 2026

6695 Old State Rte 21

1 ba · 13,381 sqft · built 2007 · 4.98 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2026 $8,3022024 —Jan 2026 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

6700 Old State Rte 21

1 ba · 2.71 acres

Last Sale Tax Bill Prior Sale Owner Records
$256,300Mar 2015 Owner on Record Assessor + 1 DocumentUpdated Sep 2026

6703 Old State Rte 21

2 ba · 1,680 sqft · built 2004 · 0.819 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2022 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Dec 2025

6728 Old State Rte 21

1 ba · 768 sqft · built 1976 · 1.16 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2020 —May 2016 Owner on Record Assessor + 3 DocumentsUpdated Dec 2025

6745 Old State Rte 21

1 ba · 1.06 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record AssessorUpdated Apr 2026

6748 Old State Rte 21

1 ba · 2,039 sqft · built 1955 · 0.589 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2026 $1,4642024 Amount on Record May 2025 Owner on Record Assessor + 3 DocumentsUpdated Aug 2026

6756 Old State Rte 21

1 ba · 1,444 sqft · built 2021 · 0.919 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2021 $2,1472025 —Sep 2019 Owner on Record Assessor + 4 DocumentsUpdated Sep 2026

6809 Old State Rte 21

1 ba · 988 sqft · built 1960 · 0.739 acres

Last Sale Tax Bill Prior Sale Owner Records
$69,800Nov 2001 $1,1002025 2 Owners on Record Assessor + 2 DocumentsUpdated Sep 2026

6821 Old State Rte 21

1 ba · 1,216 sqft · built 1964 · 0.91 acres

Last Sale Tax Bill Prior Sale Owner Records
$69,700Jul 2003 $1,2502025 Amount on Record Jul 1998 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

6884 Old State Rte 21

1 ba · 1,152 sqft · built 1965 · 1.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Sep 1999 $1,1102024 Owner on Record Owner Occupied AssessorUpdated Apr 2026

6888 Old State Rte 21

1 ba · 1,920 sqft · built 1999 · 1.98 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2020 2 Owners on Record AssessorUpdated Dec 2025

6891 Old State Rte 21

1 ba · 1,408 sqft · built 1960 · 2.88 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2020 $1,4502024 Owner on Record AssessorUpdated Apr 2026

6901 Old State Rte 21

1.5 ba · 1,800 sqft · built 1967 · 0.939 acres

Last Sale Tax Bill Prior Sale Owner Records
$5362025 Owner on Record Owner Occupied AssessorUpdated Sep 2026

6902 Old State Rte 21

1 ba · 768 sqft · built 1955 · 4.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$92,100May 2000 $1,2432025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

6908 Old State Rte 21

1 ba · 676 sqft · built 1955 · 2.56 acres

Last Sale Tax Bill Prior Sale Owner Records
$158,536Apr 2026 $7902024 Amount on Record Apr 2019 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

6911 Old State Rte 21

1 ba · 1,200 sqft · built 1960 · 0.56 acres

Last Sale Tax Bill Prior Sale Owner Records
$160,000Mar 2024 $1,2362025 —Dec 2021 Owner on Record Owner Occupied Assessor + 6 DocumentsUpdated Sep 2026

6914 Old State Rte 21

1.5 ba · 2,760 sqft · built 1977 · 1.78 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,0912024 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

6925 Old State Rte 21

1 ba · 1,120 sqft · built 1953 · 0.36 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2013 $1,1442024 Amount on Record Sep 2010 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

6941 Old State Rte 21

1 ba · 1,440 sqft · built 1975 · 10.8 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,9162025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

6971 Old State Rte 21

1 ba · 2,100 sqft · built 1975 · 1.45 acres

Last Sale Tax Bill Prior Sale Owner Records
$165,000Nov 2019 $2,7382024 Amount on Record Oct 2015 Owner on Record Assessor + 1 DocumentUpdated Apr 2026

6981 Old State Rte 21

1 ba · built 1975 · 1.88 acres

Last Sale Tax Bill Prior Sale Owner Records
$232,750Sep 2022 $2,4052024 Amount on Record Jun 2020 Owner on Record Assessor + 1 DocumentUpdated Apr 2026

6991 Old State Rte 21

1 ba · 768 sqft · built 1949 · 0.889 acres

Last Sale Tax Bill Prior Sale Owner Records
$139,650Mar 2023 $8422025 Amount on Record Feb 2022 Owner on Record Assessor + 3 DocumentsUpdated Sep 2026

7022 Old State Rte 21

1 ba · 2,107 sqft · built 2018 · 3.95 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2017 Amount on Record Sep 2013 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Dec 2025

7031 Old State Rte 21

1 ba · 1,943 sqft · built 1994 · 0.339 acres

Last Sale Tax Bill Prior Sale Owner Records
$97,200Jul 1997 $1,2802024 Owner on Record AssessorUpdated Apr 2026

7071 Old State Rte 21

1 ba · 1,432 sqft · built 1948 · 5.63 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,9612024 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

7079 Old State Rte 21

1 ba · 5,540 sqft · built 1970 · 0.769 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2021 $3,5532025 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

7080 Old State Rte 21

1 ba · 960 sqft · built 1963 · 10.1 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2025 $1,8072025 Amount on Record — Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

7084 Old State Rte 21

1 ba · 968 sqft · built 1945 · 0.63 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2001 $8992024 Amount on Record May 2001 Owner on Record Assessor + 2 DocumentsUpdated Apr 2026

7096 Old State Rte 21

1 ba · 848 sqft · built 1969 · 1.2 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 1997 $2,0102024 2 Owners on Record Owner Occupied AssessorUpdated Apr 2026

7102 Old State Rte 21

1 ba · 768 sqft · built 1960 · 1.58 acres

Last Sale Tax Bill Prior Sale Owner Records
$86,900Apr 2005 $7562024 —Oct 1999 Owner on Record AssessorUpdated Apr 2026

7108 Old State Rte 21

1 ba · 1,482 sqft · built 1950 · 1.38 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,100Jun 2024 $1832025 —Mar 2024 2 Owners on Record AssessorUpdated Sep 2026

7114 Old State Rte 21

1 ba · 1,128 sqft · built 1939 · 1.45 acres

Last Sale Tax Bill Prior Sale Owner Records
$7282024 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

7116 Old State Rte 21

1 ba · 896 sqft · built 1950 · 1.31 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2020 $9392024 Owner on Record Owner Occupied AssessorUpdated Apr 2026

7121 Old State Rte 21

1 ba · 2,620 sqft · built 1970 · 3.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$161,100Sep 2005 $1,9772025 Amount on Record Apr 2004 Owner on Record Owner Occupied AssessorUpdated Sep 2026

7131 Old State Rte 21

1 ba · 1,631 sqft · built 1975 · 2.58 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,6682024 2 Owners on Record AssessorUpdated Apr 2026

7136 Old State Rte 21

1.5 ba · 1,452 sqft · built 1954 · 1.98 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2011 $8852024 Owner on Record AssessorUpdated Apr 2026

7138 Old State Rte 21

1 ba · 5.05 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2002 —Jan 2002 Owner on Record AssessorUpdated Apr 2026

7157 Old State Rte 21

1 ba · 1,351 sqft · built 1976 · 2.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$188,100Feb 2012 $1,2662024 2 Owners on Record Owner Occupied AssessorUpdated Apr 2026

7164 Old State Rte 21

1 ba · 3,029 sqft · built 1999 · 3.86 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,6932024 Owner on Record AssessorUpdated Apr 2026

7178 Old State Rte 21

1 ba · 2,679 sqft · built 1973 · 1.46 acres

Last Sale Tax Bill Prior Sale Owner Records
$9602024 Owner on Record AssessorUpdated Apr 2026

7186 Old State Rte 21

1 ba · 756 sqft · built 1960 · 1.18 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 1999 $1,0322025 Owner on Record AssessorUpdated Sep 2026

7196 Old State Rte 21

1 ba · 1,748 sqft · built 2020 · 3.43 acres

Last Sale Tax Bill Prior Sale Owner Records
$29,300Oct 2019 $2,1452025 —Mar 2006 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

7221 Old State Rte 21

1 ba · 8,618 sqft · built 1962 · 12.8 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,8882024 2 Owners on Record AssessorUpdated Apr 2026
Last Sale Tax Bill Prior Sale Owner Records
—Feb 2024 $5422024 Owner on Record AssessorUpdated Apr 2026

7249 Old State Rte 21

2 ba · 1,312 sqft · built 1960 · 2.07 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2010 2 Owners on Record Assessor + 1 DocumentUpdated Dec 2025

7271 Old State Rte 21

2 ba · 1,354 sqft · built 1963 · 0.689 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2025 $9192024 Owner on Record AssessorUpdated Jul 2026

7277 Old State Rte 21

1.5 ba · 1,176 sqft · built 1952 · 1.16 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2025 $1,1002025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

7280 Old State Rte 21

1 ba · 2,240 sqft · built 1980 · 2.81 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2021 $10,0552024 Amount on Record Apr 2013 2 Owners on Record Assessor + 1 DocumentUpdated Apr 2026

7291 Old State Rte 21

1 ba · 504 sqft · built 1968 · 1.96 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2022 $5912025 2 Owners on Record Assessor + 1 DocumentUpdated Sep 2026

7299 Old State Rte 21

1 ba · 4,842 sqft · built 1952 · 4.86 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2022 $1,1722025 2 Owners on Record Assessor + 1 DocumentUpdated Sep 2026

7302 Old State Rte 21

2 ba · 1,500 sqft · built 1960 · 1.43 acres

Last Sale Tax Bill Prior Sale Owner Records
$77,140Apr 2021 $1,2462024 —May 2004 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

7316 Old State Rte 21

1 ba · 1,148 sqft · built 1950 · 3.71 acres

Last Sale Tax Bill Prior Sale Owner Records
$57,400Jan 2015 $9582025 Amount on Record Feb 2014 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

7334 Old State Rte 21

1 ba · 1,092 sqft · built 1960 · 2.01 acres

Last Sale Tax Bill Prior Sale Owner Records
$159,800Nov 2020 $1,3722025 Amount on Record Feb 2013 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

7340 Old State Rte 21

1 ba · 1,030 sqft · built 1940 · 0.639 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2021 $8172024 Owner on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

7346 Old State Rte 21

1 ba · 930 sqft · built 1950 · 0.55 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2024 $8762025 Owner on Record AssessorUpdated Sep 2026

7348 Old State Rte 21

1 ba · 0.719 acres

Last Sale Tax Bill Prior Sale Owner Records
$37,500Jul 1997 $1702024 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

7360 Old State Rte 21

1,786 sqft · built 2024 · 1.65 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2022 —Apr 2022 2 Owners on Record Owner Occupied Assessor + 8 DocumentsUpdated Jul 2026

7447 Old State Rte 21

1 ba · 1,248 sqft · built 1950 · 4.8 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2017 $1,3962024 2 Owners on Record AssessorUpdated Apr 2026

7452 Old State Rte 21

1.5 ba · 2,824 sqft · built 1956 · 1.5 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 1998 $1,2942024 Owner on Record AssessorUpdated Apr 2026
Last Sale Tax Bill Prior Sale Owner Records
—Feb 2026 $3332024 —May 2024 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

7591 Old State Rte 21

2.5 ba · 3,834 sqft · built 1960 · 0.519 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000Jan 2017 $1,4052025 Amount on Record Dec 2005 2 Owners on Record Assessor + 1 DocumentUpdated Sep 2026

7592 Old State Rte 21

2,761 sqft · built 2025 · 2.48 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2024 $1,0522025 —Feb 2022 2 Owners on Record Assessor + 3 DocumentsUpdated Sep 2026

7600 Old State Rte 21

1 ba · 1.43 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2006 $2,1022025 Owner on Record AssessorUpdated Sep 2026

7653 Old State Rte 21

1 ba · 19.3 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2017 $8332024 —Sep 2012 Owner on Record Assessor + 1 DocumentUpdated Apr 2026

7702 Old State Rte 21

1 ba · 1,341 sqft · built 1949 · 12.6 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,3932024 2 Owners on Record Owner Occupied AssessorUpdated Apr 2026

7720 Old State Rte 21

1 ba · 912 sqft · built 1951 · 1.14 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,0642024 2 Owners on Record Assessor + 3 DocumentsUpdated Apr 2026

7755 Old State Rte 21

1 ba · 1,092 sqft · built 1969 · 0.535 acres

Last Sale Tax Bill Prior Sale Owner Records
$303,615Sep 2023 $1,3652025 Amount on Record Jul 2023 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

7767 Old State Rte 21

2 ba · 840 sqft · built 1949 · 2.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$162,600May 2022 $1,1272024 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Apr 2026

7775 Old State Rte 21

1 ba · 1,764 sqft · built 1956 · 0.537 acres

Last Sale Tax Bill Prior Sale Owner Records
$95,000Sep 2016 $1,3032025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

7794 Old State Rte 21

2 ba · 1,340 sqft · built 1957 · 0.993 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2022 —Aug 2013 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Dec 2025

7795 Old State Rte 21

1 ba · 925 sqft · built 1974 · 0.303 acres

Last Sale Tax Bill Prior Sale Owner Records
$144,300Dec 2019 $1,0292024 Amount on Record Jul 2016 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

7809 Old State Rte 21

1 ba · 2,464 sqft · built 1955 · 1.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,4662025 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

7812 Old State Rte 21

2 ba · 2,792 sqft · built 1973 · 1.02 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2022 $1,3442024 Amount on Record Jan 2015 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

7849 Old State Rte 21

1 ba · 840 sqft · built 1930 · 2.73 acres

Last Sale Tax Bill Prior Sale Owner Records
$120,032Oct 2025 $8332024 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

7851 Old State Rte 21

1 ba · 1,176 sqft · built 1973 · 1.41 acres

Last Sale Tax Bill Prior Sale Owner Records
$178,506Oct 2025 $1,1292024 Amount on Record Sep 2002 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

7852 Old State Rte 21

2.5 ba · 2,088 sqft · built 1979 · 1.53 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,8652025 Owner on Record AssessorUpdated Sep 2026

7856 Old State Rte 21

1 ba · 960 sqft · built 1948 · 37.8 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2019 Owner on Record Owner Occupied AssessorUpdated Dec 2025

7860 Old State Rte 21

2 ba · 1,780 sqft · built 1970 · 0.45 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,7222024 Owner on Record Assessor + 2 DocumentsUpdated Jun 2026

7863 Old State Rte 21

1 ba · 1,792 sqft · built 1971 · 1.83 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2020 $1,8062024 Amount on Record Dec 2019 2 Owners on Record Assessor + 4 DocumentsUpdated Apr 2026

7879 Old State Rte 21

1 ba · 1,022 sqft · built 1948 · 5.31 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,637Oct 2020 $1,3982025 —Sep 2020 Owner on Record Assessor + 3 DocumentsUpdated Sep 2026

7970 Old State Rte 21

1 ba · 4,000 sqft · built 1960 · 0.769 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2025 —Nov 2017 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Dec 2025

7973 Old State Rte 21

1 ba · 960 sqft · built 1977 · 0.85 acres

Last Sale Tax Bill Prior Sale Owner Records
$95,600Apr 2015 $9192024 2 Owners on Record Assessor + 1 DocumentUpdated Aug 2026

7988 Old State Rte 21

1 ba · 1,248 sqft · built 1951 · 0.78 acres

Last Sale Tax Bill Prior Sale Owner Records
$31,300May 2002 $7022024 Owner on Record Assessor + 1 DocumentUpdated Apr 2026

7992 Old State Rte 21

1 ba · 1,135 sqft · built 1953 · 1.48 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2025 $9402025 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

Property Records in Nearby Streets