Winnebago County property records for 27 addresses on W 21st Ave, Oshkosh, WI · Last verified October 2026
| Properties | 27 |
|---|---|
| Median Sale Price | $170,000 |
| Deeds and Mortgages on File | 22 |
| Median Price per Sqft | $123 |
| Owner Occupied | 85% |
| Median Annual Tax Bill | $3,059 |
| Median Year Built | 1938 |
| Median Ownership Tenure | 10 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
4 W 21st Ave |
4 bd · 1 ba · 1,340 sqft built 1900 · 0.156 acres | $110,000 Jun 2018 | $2,837 2024 | Assessor + 1 Document Updated Jun 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
12 W 21st Ave |
4,080 sqft built 1964 · 0.279 acres | $355,000 Jun 2023 | $6,172 2024 | Assessor + 1 Document Updated Jun 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
121 W 21st Ave |
3 bd · 1 ba · 996 sqft built 1948 · 0.278 acres | $3,059 2024 | Assessor Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
122 W 21st Ave |
3 bd · 1 ba · 1,564 sqft built 1938 · 0.121 acres | $43,000 Sep 1992 | $3,098 2024 | Assessor + 1 Document Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
125 W 21st Ave |
2 bd · 2 ba · 856 sqft built 1951 · 0.198 acres | $180,000 Mar 2023 | $3,178 2024 | Assessor + 2 Documents Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
128 W 21st Ave |
3 bd · 1.5 ba · 1,034 sqft built 1938 · 0.121 acres | $85,500 Sep 2012 | $2,939 2024 | Assessor Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
131 W 21st Ave |
4 bd · 2 ba · 1,791 sqft built 1934 · 0.198 acres | — Aug 2020 | $3,641 2024 | Assessor Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
134 W 21st Ave |
2 bd · 1 ba · 1,150 sqft built 1942 · 0.162 acres | $94,000 Oct 2007 | $3,053 2024 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
135 W 21st Ave |
2 bd · 1 ba · 1,226 sqft built 1947 · 0.137 acres | $216,000 Dec 2025 | $3,390 2024 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
138 W 21st Ave |
3 bd · 1 ba · 1,161 sqft built 1950 · 0.162 acres | $3,314 2024 | Assessor Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
141 W 21st Ave |
2 bd · 1 ba · 1,188 sqft built 1938 · 0.137 acres | — Oct 2005 | $2,871 2024 | Assessor + 1 Document Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
145 W 21st Ave |
2 bd · 1 ba · 872 sqft built 1950 · 0.137 acres | $108,000 Jun 2019 | $3,057 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
146 W 21st Ave |
2 bd · 1 ba · 858 sqft built 1950 · 0.162 acres | $90,000 Dec 2019 | $2,663 2024 | Assessor + 1 Document Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
154 W 21st Ave |
3 bd · 1 ba · 1,068 sqft built 1950 · 0.128 acres | $112,000 May 2007 | $3,246 2024 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
159 W 21st Ave |
3 bd · 1.5 ba · 1,292 sqft built 1960 · 0.184 acres | — Mar 2018 | $4,080 2024 | Assessor Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
162 W 21st Ave |
3 bd · 1 ba · 1,665 sqft built 1938 · 0.128 acres | $73,600 Dec 2013 | $3,163 2024 | Assessor Updated Jun 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
167 W 21st Ave |
2 bd · 1 ba · 898 sqft built 1933 · 0.193 acres | $64,900 Mar 1995 | $2,890 2024 | Assessor Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
168 W 21st Ave |
2 bd · 1 ba · 744 sqft built 1928 · 0.106 acres | $148,000 Jun 2022 | $2,451 2024 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
172 W 21st Ave |
2 bd · 1 ba · 672 sqft built 1929 · 0.105 acres | $55,500 May 2015 | $2,719 2024 | Assessor + 2 Documents Updated Jun 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
173 W 21st Ave |
3 bd · 1 ba · 892 sqft built 1955 · 0.193 acres | $80,000 Jun 2016 | $3,104 2024 | Assessor Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
178 W 21st Ave |
2 bd · 1 ba · 788 sqft built 1928 · 0.105 acres | $2,419 2024 | Assessor + 3 Documents Updated Jun 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
179 W 21st Ave |
2 bd · 1 ba · 952 sqft built 1941 · 0.193 acres | $74,000 Aug 2015 | $2,730 2024 | Assessor Updated Jun 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
182 W 21st Ave |
2 bd · 1 ba · 1,086 sqft built 1929 · 0.106 acres | $119,000 Sep 2019 | $3,113 2024 | Assessor + 1 Document Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
183 W 21st Ave |
2 bd · 1 ba · 1,097 sqft built 1938 · 0.193 acres | $72,500 Jul 1999 | $3,009 2024 | Assessor Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
187 W 21st Ave |
3 bd · 1 ba · 1,552 sqft built 1938 · 0.187 acres | $170,000 Sep 2021 | $3,681 2024 | Assessor + 1 Document Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
188 W 21st Ave |
2 bd · 1 ba · 624 sqft built 1938 · 0.101 acres | $38,000 Jun 1991 | $2,480 2024 | Assessor Updated Jun 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
197 W 21st Ave |
3 bd · 1.5 ba · 1,617 sqft built 1960 · 0.14 acres | $3,689 2024 | Assessor Updated Jun 2026 | 2 Owners on File Owner Occupied |