Northwestern Ave, Madison, WI Property Records

Dane County property records for 45 addresses on Northwestern Ave, Madison, WI · Last verified October 2026

Northwestern Ave Highlights

Properties 45
Median Sale Price $240,000
Deeds and Mortgages on File 88
Median Price per Sqft $224
Owner Occupied 84%
Median Annual Tax Bill $4,190
Median Year Built 1950
Median Ownership Tenure 6 years

Properties on Northwestern Ave

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

1806 Northwestern Ave

3 bd · 1 ba · 980 sqft · built 1942 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$159,900Aug 2009 $4,8982024 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

1810 Northwestern Ave

4 bd · 2 ba · 2,146 sqft · built 1960 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$208,200May 2018 $5,5402024 —May 2012 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

1813 Northwestern Ave

3 bd · 1 ba · 1,540 sqft · built 1945 · 0.113 acres

Last Sale Tax Bill Prior Sale Owner Records
$189,900Sep 2005 $5,5422024 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

1814 Northwestern Ave

3 bd · 1 ba · 984 sqft · built 1948 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$240,000Aug 2020 $5,7722024 Amount on Record May 2019 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Feb 2026

1817 Northwestern Ave

2 bd · 1 ba · 845 sqft · built 1939 · 0.113 acres

Last Sale Tax Bill Prior Sale Owner Records
$64,000Jul 1997 $4,0592024 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

1818 Northwestern Ave

2 bd · 2 ba · 1,271 sqft · built 1948 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$195,000May 2020 $4,8232024 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

1821 Northwestern Ave

2 bd · 1 ba · 1,440 sqft · built 1947 · 0.112 acres

Last Sale Tax Bill Prior Sale Owner Records
$33,900Jun 1978 $3,5812024 Owner on Record Owner Occupied AssessorUpdated Feb 2026

1822 Northwestern Ave

3 bd · 3 ba · 1,886 sqft · built 1949 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$270,000Jun 2021 $5,1582024 —Jun 2020 Owner on Record Owner Occupied Assessor + 5 DocumentsUpdated Feb 2026

1825 Northwestern Ave

2 bd · 1 ba · 1,110 sqft · built 1949 · 0.112 acres

Last Sale Tax Bill Prior Sale Owner Records
$140,000Jul 2019 $4,1812024 Amount on Record Jan 2015 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

1826 Northwestern Ave

2 bd · 3 ba · 1,102 sqft · built 1948 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2022 $4,6922024 Amount on Record Nov 2021 Owner on Record Assessor + 2 DocumentsUpdated Feb 2026

1829 Northwestern Ave

2 bd · 1 ba · 823 sqft · built 1948 · 0.112 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2014 $4,4202024 Owner on Record AssessorUpdated Feb 2026

1830 Northwestern Ave

2 bd · 2 ba · 1,290 sqft · built 1947 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$160,600Jul 2023 $6,6192025 Amount on Record Jun 2019 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

1833 Northwestern Ave

3 bd · 1 ba · 1,706 sqft · built 1979 · 0.112 acres

Last Sale Tax Bill Prior Sale Owner Records
$154,500Jan 2007 $5,1592024 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Feb 2026

1834 Northwestern Ave

2 bd · 1 ba · 988 sqft · built 1950 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$223,000Dec 2021 $5,0692025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

1837 Northwestern Ave

2 bd · 1 ba · 1,287 sqft · built 1948 · 0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$149,900Feb 2016 $4,0752024 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Feb 2026

1842 Northwestern Ave

3 bd · 1 ba · 1,250 sqft · built 1948 · 0.22 acres

Last Sale Tax Bill Prior Sale Owner Records
$340,000Apr 2026 $5,6112025 Amount on Record Dec 2021 2 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Oct 2026

1845 Northwestern Ave

6 bd · 3 ba · 2,128 sqft · built 1950 · 0.153 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,9722024 2 Owners on Record Assessor + 1 DocumentUpdated Feb 2026

1846 Northwestern Ave

2 bd · 1 ba · 1,011 sqft · built 1951 · 0.12 acres

Last Sale Tax Bill Prior Sale Owner Records
$170,000Jan 2026 $4,7092025 —Jan 2026 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

1901 Northwestern Ave

4 bd · 1 ba · 1,207 sqft · built 1950 · 0.108 acres

Last Sale Tax Bill Prior Sale Owner Records
$83,500Mar 2000 $4,0872024 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

1902 Northwestern Ave

2 bd · 1 ba · 940 sqft · built 1939 · 0.108 acres

Last Sale Tax Bill Prior Sale Owner Records
$91,000Oct 2003 $3,0602024 Owner on Record Owner Occupied AssessorUpdated Feb 2026

1905 Northwestern Ave

2 bd · 1 ba · 698 sqft · built 1950 · 0.109 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2004 $3,2072024 2 Owners on Record AssessorUpdated Feb 2026

1906 Northwestern Ave

3 bd · 2.5 ba · 1,723 sqft · built 2006 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Jul 2026 $6,8212025 Amount on Record Jun 2021 Owner on Record Owner Occupied Assessor + 7 DocumentsUpdated Oct 2026

1909 Northwestern Ave

2 bd · 1 ba · 747 sqft · built 1950 · 0.109 acres

Last Sale Tax Bill Prior Sale Owner Records
$255,000Jun 2025 $3,5492024 Amount on Record Apr 2018 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Feb 2026

1910 Northwestern Ave

2 bd · 1 ba · 624 sqft · built 1939 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$240,000Oct 2022 $4,3212024 Amount on Record Jun 2020 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Feb 2026

1913 Northwestern Ave

2 bd · 1 ba · 698 sqft · built 1950 · 0.109 acres

Last Sale Tax Bill Prior Sale Owner Records
$157,000Nov 2022 $3,0262024 Amount on Record Jan 2022 Owner on Record Owner Occupied Assessor + 7 DocumentsUpdated Feb 2026

1914 Northwestern Ave

2 bd · 1 ba · 1,076 sqft · built 1937 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$235,500Jul 2023 $4,2912025 Amount on Record Jul 2012 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

1917 Northwestern Ave

3 bd · 1 ba · 1,076 sqft · built 1949 · 0.109 acres

Last Sale Tax Bill Prior Sale Owner Records
$57,600Dec 2005 $3,6142024 2 Owners on Record Owner Occupied AssessorUpdated Feb 2026

1918 Northwestern Ave

3 bd · 1 ba · 1,440 sqft · built 1955 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$255,000Jun 2023 $4,1612024 Amount on Record Oct 2014 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Feb 2026

1921 Northwestern Ave

3 bd · 1 ba · 1,120 sqft · built 1950 · 0.109 acres

Last Sale Tax Bill Prior Sale Owner Records
$144,400Jul 2008 $3,8592024 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Feb 2026

1922 Northwestern Ave

2 bd · 1 ba · 760 sqft · built 1950 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$94,500Jan 2003 $3,3812024 Owner on Record Owner Occupied AssessorUpdated Feb 2026

1925 Northwestern Ave

2 bd · 1 ba · 747 sqft · built 1950 · 0.109 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2012 $4,3632025 Amount on Record May 2012 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

1926 Northwestern Ave

2 bd · 1 ba · 709 sqft · built 1951 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,000Sep 2019 $3,5342024 Amount on Record Oct 2009 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

1929 Northwestern Ave

2 bd · 1 ba · 698 sqft · built 1950 · 0.109 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,0832024 2 Owners on Record AssessorUpdated Feb 2026

1930 Northwestern Ave

2 bd · 1 ba · 698 sqft · built 1950 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$155,000Jul 2021 $3,3292024 —Dec 2018 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Feb 2026

1933 Northwestern Ave

2 bd · 1 ba · 747 sqft · built 1950 · 0.109 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2001 $3,0112024 Owner on Record Owner Occupied AssessorUpdated Feb 2026

1934 Northwestern Ave

2 bd · 1 ba · 1,407 sqft · built 1953 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$267,250May 2021 $5,1632024 Amount on Record Nov 2016 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Feb 2026

1937 Northwestern Ave

2 bd · 1 ba · 698 sqft · built 1951 · 0.109 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Dec 2025 $2,7932024 —Apr 2014 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

1938 Northwestern Ave

2 bd · 1 ba · 1,324 sqft · built 1952 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$135,000Jul 2006 $4,8332024 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

1941 Northwestern Ave

3 bd · 1 ba · 1,225 sqft · built 1952 · 0.109 acres

Last Sale Tax Bill Prior Sale Owner Records
$290,500Dec 2025 $3,5452024 —Oct 2017 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Feb 2026

1942 Northwestern Ave

2 bd · 1 ba · 698 sqft · built 1950 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$225,000Jan 2026 $3,2232024 Amount on Record Apr 2021 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Feb 2026

1945 Northwestern Ave

2 bd · 2 ba · 747 sqft · built 1952 · 0.109 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000Mar 2024 $4,3422024 Amount on Record Sep 2022 Owner on Record Assessor + 2 DocumentsUpdated Feb 2026

1946 Northwestern Ave

3 bd · 1 ba · 1,125 sqft · built 1954 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Aug 2021 $4,1902024 —Nov 2019 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Feb 2026

1950 Northwestern Ave

3 bd · 1 ba · 1,000 sqft · built 1953 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$139,000Aug 2014 $4,3912024 Amount on Record Feb 2012 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Feb 2026

1954 Northwestern Ave

2 bd · 1 ba · 747 sqft · built 1950 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$216,000Jul 2021 $4,3152024 Amount on Record Nov 2016 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

1958 Northwestern Ave

3 bd · 1 ba · 1,013 sqft · built 1950 · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$190,000Apr 2020 $5,6042024 Amount on Record Apr 2019 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Feb 2026

Property Records in Nearby Streets