Marin County property records for 43 addresses on William Ave, Larkspur, CA · Last verified August 2026
| Properties | 43 |
|---|---|
| Median Sale Price | $2,600,000 |
| Deeds and Mortgages on File | 76 |
| Median Price per Sqft | $1,418 |
| Owner Occupied | 79% |
| Median Annual Tax Bill | $22,966 |
| Median Year Built | 1943 |
| Median Ownership Tenure | 10 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
3 bd · 3.5 ba · 1,824 sqft · 0.114 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,700,000May 2026 | $35,7122025 | Amount on Record Dec 2018 | 1 Name on Record Owner Occupied | Assessor + 9 DocumentsUpdated Aug 2026 |
3 bd · 2.5 ba · 1,904 sqft · 0.165 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,380,000Feb 2013 | $25,7382025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
5 bd · 4.5 ba · 5,065 sqft · 0.172 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $4,695,000Dec 2020 | $61,4172025 | Amount on Record Oct 2017 | 2 Names on Record Owner Occupied | Assessor + 5 DocumentsUpdated Jul 2026 |
4 bd · 1.75 ba · 0.167 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,5712025 | —Dec 2005 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
2 bd · 2 ba · 1,429 sqft · 0.088 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,500,000Nov 2018 | $22,7692025 | Amount on Record Aug 2008 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 4 ba · 2,276 sqft · 0.147 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,000,000Aug 2017 | $42,4542025 | Amount on Record Nov 2012 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 2.5 ba · 2,382 sqft · 0.179 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,642,000May 2006 | $31,7772025 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2.5 ba · 2,261 sqft · 0.18 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,475,000Oct 2005 | $27,6252025 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
2 bd · 1 ba · 1,965 sqft · 0.143 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,100,000Mar 2025 | $22,5192025 | —Oct 2004 | 1 Name on Record | AssessorUpdated Aug 2026 |
4 bd · 3 ba · 3,219 sqft · 0.16 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,995,000Sep 2025 | $39,6822025 | Amount on Record Oct 2011 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
4 bd · 3 ba · 2,305 sqft · 0.151 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,250,000Apr 2018 | $45,5962025 | Amount on Record Jun 2015 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,592 sqft · 0.143 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,600,000Jan 2023 | $34,4562025 | Amount on Record Oct 2010 | 1 Name on Record | Assessor + 2 DocumentsUpdated Jul 2026 |
5 bd · 3.5 ba · 2,978 sqft · 0.202 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,150,000Nov 2001 | $37,3042025 | Amount on Record Oct 1996 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
2 bd · 1 ba · 947 sqft · 0.146 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,445,000Nov 2017 | $22,4552025 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
1 bd · 1 ba · 688 sqft · 0.072 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $720,000Sep 2017 | $13,1892025 | 2 Names on Record | Assessor + 6 DocumentsUpdated Aug 2026 |
2 bd · 1 ba · 1,112 sqft · 0.092 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,687,000Nov 2024 | $22,9662025 | Amount on Record Jun 1999 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2 ba · 1,394 sqft · 0.107 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,100,000Jun 2022 | $29,0462025 | Amount on Record Aug 1999 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
2 bd · 2 ba · 1,232 sqft · 0.107 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —May 2017 | $9,7242025 | —Jul 2004 | 2 Names on Record | AssessorUpdated Jul 2026 |
3 bd · 3 ba · 2,806 sqft · 0.856 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $19,5632025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
2 bd · 1 ba · 841 sqft · 0.107 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $5,1682025 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,800 sqft · 0.103 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,950,000Aug 2016 | $29,5032025 | Amount on Record Jan 1998 | 1 Name on Record | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,368 sqft · 0.089 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,475,000Jul 2023 | $20,9492025 | —Jan 1994 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2.5 ba · 1,746 sqft · 0.093 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $201,500Jul 2009 | $12,3202025 | Amount on Record Jul 2008 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
2 bd · 2 ba · 1,183 sqft · 0.093 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $887,000Apr 2006 | $17,8512025 | Amount on Record Aug 2001 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 3 ba · 1,759 sqft · 0.093 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,825,000Jun 2016 | $28,2682025 | Amount on Record Feb 2009 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 3 ba · 2,105 sqft · 0.093 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,530,000Jun 2016 | $28,7612025 | Amount on Record Mar 2012 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,296 sqft · 0.095 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $871,500Apr 2006 | $18,5152025 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
4 bd · 2 ba · 1,472 sqft · 0.1 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —Sep 1998 | $5,4582025 | —Sep 1998 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 2 ba · 1,516 sqft · 0.109 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $765,000Nov 2010 | $17,8462025 | —Nov 2010 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
2 bd · 1 ba · 1,088 sqft · 0.11 acres · Garage · Pool
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,500,000Dec 2022 | $26,9172025 | Amount on Record Aug 2015 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
3 bd · 2.5 ba · 1,897 sqft · 0.151 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $2,625,000Feb 2025 | $31,6262025 | —Nov 2018 | 2 Names on Record | Assessor + 2 DocumentsUpdated Aug 2026 |
2 bd · 1 ba · 1,104 sqft · 0.132 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,185,000Sep 2017 | $19,3602025 | Amount on Record Jun 2004 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,632 sqft · 0.132 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,412,500May 2015 | $21,5702025 | Amount on Record Nov 1997 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
5 bd · 3.5 ba · 2,380 sqft · 0.127 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $3,375,000Jun 2023 | $43,4862025 | Amount on Record Aug 2018 | 2 Names on Record Owner Occupied | Assessor + 4 DocumentsUpdated Jul 2026 |
3 bd · 2.5 ba · 1,964 sqft · 0.132 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $565,000Mar 2002 | $18,8662025 | —Mar 2002 | 2 Names on Record Owner Occupied | AssessorUpdated Jul 2026 |
3 bd · 2 ba · 1,542 sqft · 0.132 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $525,000Feb 2000 | $14,7562025 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
3 bd · 2 ba · 1,709 sqft · 0.132 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,354,500Oct 2006 | $24,4582025 | Amount on Record Sep 2003 | 2 Names on Record | AssessorUpdated Aug 2026 |
4 bd · 4 ba · 2,322 sqft · 0.132 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $850,000Apr 2015 | $33,1342025 | —Mar 1995 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
2 bd · 1 ba · 841 sqft · 0.132 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $410,000Sep 1998 | $12,1382025 | —May 1996 | 2 Names on Record | AssessorUpdated Jul 2026 |
3 bd · 3 ba · 1,535 sqft · 0.132 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $1,240,000Sep 2013 | $26,7922025 | Amount on Record Jul 1994 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Jul 2026 |
3 bd · 1 ba · 962 sqft · 0.132 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $719,000May 2013 | $14,8132025 | —May 2013 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
4 bd · 3 ba · 2,093 sqft · 0.132 acres · Garage
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $8,6772025 | —May 2017 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jul 2026 |
39.4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| —May 1968 | 1 Name on Record | 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 at the 19th percentile of exposed land nationally · 11th in California |
|---|---|
| Wildfire Likelihood | Low — about 1 in 7,229 per year |
| Exposure | Direct 1 of 6 cells directly exposed · 4 adjoin burnable vegetation |