Marathon County property records for 43 addresses on S 20th Ave, Wausau, WI · Last verified October 2026
| Properties | 49 |
|---|---|
| Median Sale Price | $165,000 |
| Deeds and Mortgages on File | 48 |
| Median Price per Sqft | $146 |
| Owner Occupied | 88% |
| Median Annual Tax Bill | $2,893 |
| Median Year Built | 1955 |
| Median Ownership Tenure | 7 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
504 S 20th Ave |
0.36 acres | $3,256 2025 | Assessor Updated Feb 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
507 S 20th Ave |
3 bd · 1 ba · 1,344 sqft built 1958 · 0.169 acres | $276,000 Jul 2026 | $2,910 2025 | Assessor + 3 Documents Updated Jul 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
510 S 20th Ave |
3 bd · 1 ba built 1954 · 0.2 acres | $2,077 2025 | Assessor Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
512 S 20th Ave |
2 bd · 1 ba · 922 sqft built 1954 · 0.189 acres | — Dec 2024 | $2,224 2025 | Assessor Updated Aug 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
513 S 20th Ave |
3 bd · 1 ba built 1954 · 0.169 acres | $83,000 Mar 2016 | $3,387 2025 | Assessor Updated Feb 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
514 S 20th Ave |
3 bd · 2 ba built 1971 · 0.189 acres | $5,112 2025 | Assessor + 1 Document Updated Feb 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
515 S 20th Ave |
3 bd · 1 ba built 1960 · 0.169 acres | $112,000 Dec 2019 | $3,012 2025 | Assessor + 1 Document Updated Feb 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
604 S 20th Ave |
3 bd · 1 ba built 1959 · 0.2 acres | $2,518 2025 | Assessor + 1 Document Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
605 S 20th Ave |
5 bd · 2 ba built 1962 · 0.289 acres | $121,000 Feb 2008 | $3,567 2025 | Assessor Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
606 S 20th Ave |
3 bd · 1 ba built 1954 · 0.2 acres | $120,000 Sep 2021 | $3,766 2025 | Assessor + 1 Document Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
607 S 20th Ave |
0.925 acres | $320 2025 | Assessor Updated Feb 2026 | 3 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
608 S 20th Ave |
4 bd · 1 ba built 1953 · 0.2 acres | $3,037 2025 | Assessor + 2 Documents Updated Feb 2026 | 3 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
609 S 20th Ave |
2 bd · 1 ba built 1960 · 0.289 acres | $146,000 Sep 2019 | $2,963 2025 | Assessor + 1 Document Updated Feb 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
610 S 20th Ave |
3 bd · 1 ba built 1952 · 0.2 acres | $2,893 2025 | Assessor Updated Feb 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
612 S 20th Ave |
3 bd · 1 ba built 1952 · 0.2 acres | $2,632 2025 | Assessor + 1 Document Updated Feb 2026 | 3 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
614 S 20th Ave |
3 bd · 1 ba built 1953 · 0.2 acres | $185,000 Sep 2024 | $3,462 2025 | Assessor + 2 Documents Updated Feb 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
615 S 20th Ave |
3 bd · 1 ba · 1,372 sqft built 1960 · 0.3 acres | $75,300 Sep 2022 | $3,510 2025 | Assessor + 2 Documents Updated Sep 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
616 S 20th Ave |
2 bd · 1 ba built 1952 · 0.2 acres | $87,000 Apr 2006 | $2,457 2025 | Assessor Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
617 S 20th Ave |
4 units Built 2001 | $163,500 Aug 2022 | $2,946 2025 |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
619 S 20th Ave |
4 units · 1,116 sq ft Built 2001 | $185,000 Jun 2025 | $2,946 2025 |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
621 S 20th Ave |
16 bd built 1966 · 0.321 acres | — May 2019 | $8,828 2025 | Assessor + 2 Documents Updated Feb 2026 | 2 Owners on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
704 S 20th Ave |
3 bd · 1 ba · 1,164 sqft built 1955 · 0.18 acres | $165,000 Jul 2026 | $2,613 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
706 S 20th Ave |
3 bd · 1 ba built 1952 · 0.18 acres | $155,000 Apr 2022 | $2,760 2025 | Assessor + 3 Documents Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
708 S 20th Ave |
3 bd · 1 ba built 1952 · 0.18 acres | $108,000 Mar 2012 | $2,795 2025 | Assessor Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
709 S 20th Ave |
0.907 acres | $9,273 2025 | Assessor Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
715 S 20th Ave |
0.639 acres | $315,000 Oct 2021 | $4,565 2025 | Assessor + 1 Document Updated Feb 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
812 S 20th Ave |
0.219 acres | Assessor Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
814 S 20th Ave |
4 bd · 1 ba built 1962 · 0.21 acres | — Oct 2022 | $3,029 2025 | Assessor + 1 Document Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
820 S 20th Ave |
0.21 acres | Assessor Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
822 S 20th Ave |
3 bd · 1 ba built 1955 · 0.21 acres | $2,183 2025 | Assessor + 2 Documents Updated Feb 2026 | 4 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
903 S 20th Ave |
0.117 acres | $2,359 2025 | Assessor + 2 Documents Updated Feb 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
904 S 20th Ave |
2 bd · 1 ba built 1950 · 0.169 acres | $121,000 Dec 2019 | $2,601 2025 | Assessor + 1 Document Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
905 S 20th Ave |
0.462 acres | $2,266 2025 | Assessor + 1 Document Updated Feb 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
906 S 20th Ave |
2 bd · 1 ba · 624 sqft built 1948 · 0.189 acres | $91,500 Jun 2024 | $1,749 2025 | Assessor + 1 Document Updated May 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
908 S 20th Ave |
2 bd · 2 ba built 1964 · 0.189 acres | — Jun 2008 | $3,331 2025 | Assessor Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
909 S 20th Ave |
2 bd · 1 ba built 1956 · 0.119 acres | — Nov 2006 | $2,107 2025 | Assessor + 2 Documents Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
910 S 20th Ave |
2 bd · 1 ba built 1952 · 0.189 acres | $2,062 2025 | Assessor Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
912 S 20th Ave |
3 bd · 1 ba built 1955 · 0.189 acres | — Jul 2022 | $2,635 2025 | Assessor + 2 Documents Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
913 S 20th Ave |
4 bd · 2 ba built 2009 · 0.212 acres | $116,900 Sep 2009 | $4,253 2025 | Assessor Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
914 S 20th Ave |
3 bd · 2 ba built 1939 · 0.189 acres | $95,600 Aug 2014 | $3,338 2025 | Assessor + 1 Document Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
915 S 20th Ave |
3 bd · 1 ba built 1954 · 0.419 acres | $3,033 2025 | Assessor + 1 Document Updated Feb 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
918 S 20th Ave |
2 bd · 1 ba built 1950 · 0.189 acres | $1,933 2025 | Assessor + 1 Document Updated Feb 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
922 S 20th Ave |
3 bd · 1 ba built 1949 · 0.18 acres | $84,000 Apr 2006 | $2,605 2025 | Assessor Updated Feb 2026 | Owner on File Owner Occupied |