Marin County property records for 21 addresses on Washington Park Ave, Mill Valley, CA · Last verified September 2026
| Properties | 21 |
|---|---|
| Median Sale Price | $1,400,000 |
| Deeds and Mortgages on File | 35 |
| Median Price per Sqft | $942 |
| Owner Occupied | 67% |
| Median Annual Tax Bill | $11,672 |
| Median Year Built | 1963 |
| Median Ownership Tenure | 7 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 2 ba · 1,635 sqft · built 1963 · 0.168 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $252,000Mar 2002 | $4,1542025 | 2 Owners on Record | AssessorUpdated Jul 2026 |
1 bd · 2.5 ba · 1,338 sqft · built 1999 · 0.114 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,587,000Sep 2021 | $21,2842025 | Amount on Record Jun 2005 | 2 Owners on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 1.5 ba · 1,532 sqft · built 1963 · 0.176 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,9092025 | —Jan 2011 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
1 bd · 1 ba · 747 sqft · built 1923 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $202,500Nov 2009 | $4,6392025 | Amount on Record Nov 1994 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
2 bd · 2 ba · 1,132 sqft · built 1944 · 0.13 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $850,000Jul 2023 | $12,2692025 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
4 bd · 2 ba · 1,920 sqft · built 1963 · 0.221 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $375,000Jul 2007 | $11,7842025 | Amount on Record — | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 4.5 ba · 2,454 sqft · built 1916 · 0.686 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,637,000Mar 2018 | $23,4772025 | Amount on Record Sep 2017 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
2 bd · 1 ba · 788 sqft · built 1915 · 0.172 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,9332025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
0.234 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $35,000Nov 2011 | $2,8152025 | —Oct 2011 | 2 Owners on Record | AssessorUpdated Jul 2026 |
5 bd · 4 ba · 2,156 sqft · built 1963 · 0.245 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $410,000Dec 2009 | $8,6312025 | —Dec 2009 | Owner on Record | AssessorUpdated Jul 2026 |
2 bd · 1.5 ba · 1,055 sqft · built 1995 · 0.106 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,270,000Nov 2019 | $18,0252025 | Amount on Record May 2003 | 2 Owners on Record | Assessor + 3 DocumentsUpdated Sep 2026 |
3 bd · 2 ba · 2,120 sqft · built 1963 · 0.14 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,2042025 | —Jul 2002 | Owner on Record | AssessorUpdated Jul 2026 |
4 bd · 3.5 ba · 2,486 sqft · built 1999 · 0.259 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,075,000Dec 2023 | $26,8022025 | Amount on Record Oct 2011 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,357 sqft · built 1965 · 0.211 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Mar 2003 | $9,1482025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,408 sqft · built 1964 · 0.208 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,670,000May 2023 | $21,9852025 | Amount on Record Apr 2007 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
1 bd · 1 ba · 774 sqft · built 1979 · 0.92 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,400,000Aug 2021 | $17,5922025 | Amount on Record Aug 2005 | Owner on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
2 bd · 1 ba · 1,140 sqft · built 1965 · 0.152 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,075,000Aug 2020 | $15,4302025 | Amount on Record Jan 2009 | 2 Owners on Record Owner Occupied | Assessor + 4 DocumentsUpdated Sep 2026 |
0.207 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $349,000Feb 2025 | $5,4232025 | Amount on Record Sep 2019 | Owner on Record | Assessor + 5 DocumentsUpdated Aug 2026 |
1 bd · 1.5 ba · 1,226 sqft · built 1923 · 0.329 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,7402025 | —Dec 2003 | Owner on Record Owner Occupied | AssessorUpdated Sep 2026 |
3 bd · 3 ba · 1,573 sqft · built 1906 · 0.408 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $825,000Nov 2020 | $11,6722025 | Amount on Record Sep 2019 | Owner on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jul 2026 |
3 bd · 2.5 ba · 2,595 sqft · built 1950 · 0.734 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $325,000Jul 2016 | $25,6682025 | Amount on Record Nov 2012 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |