Marin County property records for 11 addresses on Altamont Ave, Mill Valley, CA · Last verified August 2026
| Properties | 11 |
|---|---|
| Median Sale Price | $1,800,000 |
| Deeds and Mortgages on File | 19 |
| Median Price per Sqft | $1,323 |
| Owner Occupied | 82% |
| Median Annual Tax Bill | $11,338 |
| Median Year Built | 1946 |
| Median Ownership Tenure | 14 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
4 bd · 2.5 ba · 1,926 sqft · 0.143 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,550,000Jun 2022 | $34,7152025 | —Apr 2014 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
2 bd · 1 ba · 810 sqft · 0.143 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $750,000Aug 2012 | $11,2092025 | —Aug 2012 | 2 Names on Record | Assessor + 1 DocumentUpdated Jul 2026 |
2 bd · 2.5 ba · 2,365 sqft · 0.143 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,800,000Apr 2011 | $31,1802025 | Amount on Record Jul 2010 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Aug 2026 |
3 bd · 1 ba · 1,424 sqft · 0.218 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,6302025 | —May 2011 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,292 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $355,000Feb 1997 | $8,1912025 | —Jan 2013 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
0.237 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $389,000Apr 1994 | $11,3382025 | Amount on Record Nov 1993 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
6 bd · 5 ba · 5,385 sqft · 1.07 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $7,200,000May 2021 | $93,5852025 | Amount on Record Mar 1997 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
2 bd · 1 ba · 1,148 sqft · 0.103 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $13,8632025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2 ba · 1,512 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,3452025 | —Oct 2002 | 1 Name on Record Owner Occupied | AssessorUpdated Jul 2026 |
0.253 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $9,4412025 | 2 Names on Record | AssessorUpdated Jul 2026 |
4 bd · 3.5 ba · 4,707 sqft · 0.762 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $6,750,000Jun 2026 | $77,1652025 | Amount on Record Apr 2023 | 2 Names on Record Owner Occupied | Assessor + 7 DocumentsUpdated Jul 2026 |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk | Low this street's cells rank above 20% of the US · above 11% of California |
|---|---|
| Wildfire Likelihood | About 1 in 10,000 per year |
| Exposure | Indirect 0 of 1 cells directly exposed |