Marin County property records for 14 addresses on Rosemont Ave, Mill Valley, CA · Last verified August 2026
| Properties | 14 |
|---|---|
| Median Sale Price | $1,500,000 |
| Deeds and Mortgages on File | 15 |
| Median Price per Sqft | $850 |
| Owner Occupied | 64% |
| Median Annual Tax Bill | $12,803 |
| Median Year Built | 1946 |
| Median Ownership Tenure | 7 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
2 bd · 1 ba · 920 sqft · built 1947 · 0.115 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $650,000Jan 2006 | $13,3122025 | —Jan 2006 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
0.132 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,2802025 | 2 Owners on Record | AssessorUpdated Jul 2026 |
2 bd · 2 ba · 1,050 sqft · built 1947 · 0.106 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Nov 1971 | $2,4702025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
2 bd · 2 ba · 1,601 sqft · built 1941 · 0.122 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,800,000May 2024 | $24,0472025 | Amount on Record Jul 1994 | 2 Owners on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
1 bd · 1 ba · 874 sqft · built 1930 · 0.15 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,8882025 | Owner on Record Owner Occupied | AssessorUpdated Jul 2026 |
2 bd · 1 ba · 864 sqft · built 1946 · 0.109 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,4702025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
1 bd · 1 ba · 947 sqft · built 1916 · 0.172 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,6122025 | 2 Owners on Record | AssessorUpdated Jul 2026 |
3 bd · 3 ba · 2,349 sqft · built 1979 · 0.122 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $18,1272025 | —Jun 2011 | 2 Owners on Record | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,571 sqft · built 1952 · 0.128 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $712,500Dec 2021 | $12,8032025 | —Nov 2018 | 2 Owners on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
4 bd · 3 ba · 1,763 sqft · built 1940 · 0.301 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,500,000Nov 2020 | $22,7962025 | —Nov 2020 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
1 bd · 1 ba · 784 sqft · built 1949 · 0.154 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $750,000Jan 2019 | $12,7492025 | 2 Owners on Record Owner Occupied | Assessor + 5 DocumentsUpdated Aug 2026 |
3 bd · 2 ba · 1,326 sqft · built 1938 · 0.342 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Jan 1996 | $2,8102025 | 2 Owners on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 3.5 ba · 1,464 sqft · built 1946 · 0.149 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,775,000Oct 2020 | $26,1792025 | —Feb 2009 | 2 Owners on Record | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 2,390 sqft · built 1940 · 0.154 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,945,000Oct 2019 | $27,6922025 | Amount on Record Sep 1994 | 2 Owners on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |