Walnut Ave, Sonoma, CA Property Records

Sonoma County property records for 42 addresses on Walnut Ave, Sonoma, CA · Last verified August 2026

Walnut Ave Highlights

Properties 42
Median Sale Price $928,000
Deeds and Mortgages on File 56
Median Price per Sqft $530
Owner Occupied 57%
Median Annual Tax Bill $7,811
Median Year Built 1968
Median Ownership Tenure 17 years

Properties on Walnut Ave

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

362 Walnut Ave

3 bd · 2.5 ba · 1,676 sqft · 0.179 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$530,000Dec 2008 $9,4102025 Amount on Record Jul 2006 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

368 Walnut Ave

2 bd · 1 ba · 800 sqft · 0.275 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$158,000Jan 1992 $5,8432025 1 Name on Record AssessorUpdated Apr 2026

370 Walnut Ave

3 bd · 2 ba · 1,661 sqft · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$600,000Aug 2004 $11,0492025 Amount on Record Dec 1997 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Apr 2026

373 Walnut Ave

0.057 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record AssessorUpdated Apr 2026

381 Walnut Ave

3 bd · 3 ba · 1,784 sqft · 0.258 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$928,000Feb 2020 $13,1242025 Amount on Record Mar 2017 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

385 Walnut Ave

3 bd · 2 ba · 1,596 sqft · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$880,000Jan 2023 $4,3422025 Amount on Record May 2005 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated May 2026

388 Walnut Ave

2 bd · 2 ba · 1,547 sqft · 0.172 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$525,000Aug 2007 $11,0272025 Amount on Record May 1997 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

405 Walnut Ave

3 bd · 2 ba · 1,680 sqft · 0.344 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$865,000Jan 2026 $4,2202025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Apr 2026

410 Walnut Ave

3 bd · 2 ba · 1,131 sqft · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,3992025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

414 Walnut Ave

4 bd · 2 ba · 1,602 sqft · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$850,000Oct 2025 $7,6642025 Amount on Record Jun 2010 2 Names on Record Assessor + 3 DocumentsUpdated Apr 2026

420 Walnut Ave

3 bd · 2 ba · 830 sqft · 0.339 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$220,000Apr 1995 $3,4862025 2 Names on Record AssessorUpdated Aug 2026

421 Walnut Ave

2 bd · 1 ba · 1,792 sqft · 0.344 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,575,000Mar 2025 $17,5522025 Amount on Record Sep 2021 2 Names on Record Assessor + 2 DocumentsUpdated May 2026

440 Walnut Ave

3 bd · 2 ba · 1,771 sqft · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$547,000Jul 2002 $10,5432025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

457 Walnut Ave

3 bd · 2 ba · 1,619 sqft · 0.179 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$4,2402025 1 Name on Record Owner Occupied AssessorUpdated May 2026

460 Walnut Ave

2 bd · 2 ba · 1,256 sqft · 0.336 acres · Pool

Last Sale Tax Bill Prior Sale Owner Records
$685,000Oct 2016 $15,6552025 —Nov 2020 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2025

485 Walnut Ave

0.178 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,3412025 1 Name on Record AssessorUpdated May 2026

495 Walnut Ave

4 bd · 3 ba · 3,196 sqft · 0.166 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,1982025 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

500 Walnut Ave

7 bd · 5 ba · 5,140 sqft · 0.204 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$106,500Jun 1989 $10,0122025 1 Name on Record AssessorUpdated Apr 2026

608 Walnut Ave

2 bd · 1 ba · 1,150 sqft · 0.309 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$650,000Jul 2007 $12,0302025 Amount on Record Apr 2006 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

610 Walnut Ave

3 bd · 3 ba · 2,177 sqft · 0.157 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$337,645Oct 2005 $11,6722025 Amount on Record Sep 2002 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

617 Walnut Ave

4 bd · 2 ba · 1,938 sqft · 0.213 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$950,000Jul 2021 $13,5032025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

654 Walnut Ave

2 bd · 1 ba · 798 sqft · 0.344 acres

Last Sale Tax Bill Prior Sale Owner Records
$386,000Aug 2018 $5,9042025 2 Names on Record Assessor + 2 DocumentsUpdated May 2026

658 Walnut Ave

4 bd · 2 ba · 1,800 sqft · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$725,000Jun 2020 $11,7972025 Amount on Record Sep 2019 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated May 2026

800 Walnut Ave

3 bd · 2.5 ba · 1,544 sqft · 0.168 acres

Last Sale Tax Bill Prior Sale Owner Records
$155,000Aug 1988 $5,4432025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

802 Walnut Ave

4 bd · 2 ba · 1,479 sqft · 0.16 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$659,000Apr 2019 $10,1762025 Amount on Record Jul 1994 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated May 2026

811 Walnut Ave

6 bd · 4 ba · 1,542 sqft · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$520,000Mar 2004 $10,6152025 Amount on Record Apr 2002 2 Names on Record Owner Occupied AssessorUpdated May 2026

820 Walnut Ave

2 bd · 1 ba · 825 sqft · 0.16 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,2832025 1 Name on Record AssessorUpdated Apr 2026

827 Walnut Ave

6 bd · 4 ba · 1,585 sqft · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$519,500May 2004 $10,7162025 Amount on Record Apr 2002 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated May 2026

849 Walnut Ave

3 bd · 2 ba · 1,542 sqft · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$420,000Aug 2008 $7,7222025 Amount on Record Jan 2008 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

855 Walnut Ave

3 bd · 2 ba · 1,585 sqft · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$435,000Oct 2009 $8,4872025 Amount on Record Feb 2004 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Apr 2026

860 Walnut Ave

3 bd · 1 ba · 1,920 sqft · 0.16 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$115,000Jun 1989 $5,5742025 1 Name on Record AssessorUpdated Apr 2026

870 Walnut Ave

3 bd · 1 ba · 1,920 sqft · 0.16 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$95,000Jul 1988 $4,5672025 1 Name on Record AssessorUpdated Apr 2026

871 Walnut Ave

3 bd · 2 ba · 960 sqft · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$169,000Sep 1998 $4,7022025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

877 Walnut Ave

2 bd · 1 ba · 744 sqft · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$310,000Jan 2004 $7,8112025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

890 Walnut Ave

2 bd · 1 ba · 1,560 sqft · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$212,000Mar 2011 $6,1002025 Amount on Record Aug 2010 2 Names on Record AssessorUpdated May 2026

904 Walnut Ave

3 bd · 2.5 ba · 1,472 sqft · 0.321 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$3,0622025 1 Name on Record AssessorUpdated Apr 2026

905 Walnut Ave

3 bd · 2 ba · 1,428 sqft · 0.136 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$215,000May 2012 $5,5472025 Amount on Record Jul 2005 1 Name on Record AssessorUpdated Apr 2026

908 Walnut Ave

2 bd · 1 ba · 2,748 sqft · 0.264 acres

Last Sale Tax Bill Prior Sale Owner Records
$220,500Jan 2017 $13,6652025 Amount on Record Jul 2015 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

935 Walnut Ave

3 bd · 1 ba · 1,632 sqft · 0.369 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$720,000Dec 2014 $12,2852025 Amount on Record Jul 2012 2 Names on Record Owner Occupied AssessorUpdated May 2026

962 Walnut Ave

2 bd · 1 ba · 1,724 sqft · 0.163 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,060,000May 2024 $14,4652025 2 Names on Record Assessor + 5 DocumentsUpdated Aug 2026

965 Walnut Ave

2 bd · 2 ba · 1,292 sqft · 0.241 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$400,000Sep 2016 $7,4962025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated May 2026

969 Walnut Ave

3 bd · 1.5 ba · 1,263 sqft · 0.241 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$303,000Apr 2018 $9,5652025 Amount on Record Sep 2001 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated May 2026

Wildfire Risk on Walnut Ave

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to HomesLow
this street's cells rank at the 25th percentile of exposed land nationally · 15th in California
Wildfire LikelihoodLow — about 1 in 4,110 per year
ExposureDirect
2 of 6 cells directly exposed · 5 adjoin burnable vegetation

Property Records in Nearby Streets