Marin County property records for 4 addresses on Helen Ave, Mill Valley, CA · Last verified August 2026
| Properties | 4 |
|---|---|
| Median Sale Price | $580,000 |
| Deeds and Mortgages on File | 7 |
| Median Price per Sqft | $406 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $14,134 |
| Median Year Built | 1959 |
| Median Ownership Tenure | 16 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 2 ba · 1,855 sqft · built 1979 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $710,000Jul 2011 | $14,0212025 | Amount on Record May 1996 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
4 bd · 5 ba · 2,496 sqft · built 1935 · 0.137 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $359,500Aug 1992 | $14,3942025 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
2 bd · 2 ba · 1,428 sqft · built 1959 · 0.071 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $580,000Apr 2003 | $14,1342025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Aug 2026 |
2 bd · 1 ba · 1,120 sqft · built 1940 · 0.068 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $556,000Oct 2010 | $11,4422025 | Amount on Record Jun 2004 | 1 Name on Record Owner Occupied | AssessorUpdated 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 |