Walnut Ave, Atascadero, CA Property Records

San Luis Obispo County property records for 67 addresses on Walnut Ave, Atascadero, CA · Last verified August 2026

Walnut Ave Highlights

Properties 67
Median Sale Price $730,000
Deeds and Mortgages on File 96
Median Price per Sqft $512
Owner Occupied 78%
Median Annual Tax Bill $4,396
Median Year Built 1950
Median Ownership Tenure 15 years

Properties on Walnut Ave

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

16016 Walnut Ave

3 bd · 3 ba · 2,985 sqft · 2.22 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$4,9902025 —Jun 2025 2 Names on Record Assessor + 7 DocumentsUpdated Feb 2026

16100 Walnut Ave

2 bd · 2.5 ba · 3,384 sqft · 0.46 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$8,1902025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

16150 Walnut Ave

1 bd · 1 ba · 1,159 sqft · 0.45 acres

Last Sale Tax Bill Prior Sale Owner Records
$70,500Aug 1998 $1,4252025 —Aug 1998 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

16155 Walnut Ave

0.706 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Nov 1996 $1,2872025 —Nov 1996 1 Name on Record AssessorUpdated Aug 2026

16200 Walnut Ave

3 bd · 2 ba · 2,395 sqft · 1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$600,000Dec 2021 $7,2722025 —Sep 2021 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

16205 Walnut Ave

3 bd · 2 ba · 1,898 sqft · 0.195 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,0192025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

16225 Walnut Ave

2 bd · 1 ba · 1,080 sqft · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$7882025 —Dec 2013 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

16250 Walnut Ave

2 bd · 2 ba · 1,144 sqft · 1.2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 1998 $2,6822025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

16255 Walnut Ave

2 bd · 2 ba · 895 sqft · 1.39 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$250,000Dec 1990 $5,1502025 —May 1998 1 Name on Record Assessor + 2 DocumentsUpdated Oct 2025

16320 Walnut Ave

3 bd · 2 ba · 1,643 sqft · 0.569 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$331,000Jun 2003 $6,5052025 3 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

16329 Walnut Ave

3 bd · 2 ba · 1,300 sqft · 1.33 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,1542025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

16350 Walnut Ave

3 bd · 1 ba · 1,294 sqft · 0.889 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$730,000Apr 2026 $4,3822024 —Jan 2011 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

16355 Walnut Ave

3 bd · 2 ba · 1,248 sqft · 1.4 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$375,000Jan 2011 $5,7502025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

16400 Walnut Ave

2 bd · 2 ba · 2,328 sqft · 0.505 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2002 $2,4042025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

16405 Walnut Ave

4 bd · 2 ba · 2,008 sqft · 1.39 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$620,000Feb 2005 $4,3962025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

16445 Walnut Ave

3 bd · 3 ba · 1,335 sqft · 1.39 acres

Last Sale Tax Bill Prior Sale Owner Records
$490,000Nov 2015 $6,6252025 Amount on Record Jul 2011 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

16450 Walnut Ave

3 bd · 2 ba · 1,653 sqft · 0.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2013 $6,2772025 —Nov 2012 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

16500 Walnut Ave

2 bd · 1 ba · 1,012 sqft · 0.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5592025 —Sep 2016 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

16505 Walnut Ave

8 bd · 4 ba · 3,514 sqft · 1.29 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$470,000Dec 2003 $7,7752024 1 Name on Record Assessor + 4 DocumentsUpdated Apr 2026

16550 Walnut Ave

3 bd · 2.5 ba · 1,746 sqft · 0.501 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$348,000Feb 2003 $5,6762025 —Mar 1995 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

16555 Walnut Ave

3 bd · 2 ba · 1,290 sqft · 0.6 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$615,000Nov 2017 $7,9932025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

16575 Walnut Ave

3 bd · 2 ba · 1,340 sqft · 0.319 acres

Last Sale Tax Bill Prior Sale Owner Records
$101,500Nov 1995 $2,4142025 —Nov 1995 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

16580 Walnut Ave

1 bd · 1 ba · 956 sqft · 0.339 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6602025 —Jan 2012 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

16600 Walnut Ave

4 bd · 2 ba · 1,685 sqft · 0.719 acres

Last Sale Tax Bill Prior Sale Owner Records
$978,000Jun 2024 $11,3942025 Amount on Record Oct 2021 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

16605 Walnut Ave

2 bd · 2 ba · 1,248 sqft · 1.45 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$330,000Sep 2003 $5,3592025 —Aug 2008 2 Names on Record Assessor + 1 DocumentUpdated Oct 2025

16650 Walnut Ave

2 bd · 1 ba · 1,575 sqft · 0.66 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,5432025 —Oct 2007 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

16655 Walnut Ave

3 bd · 3 ba · 2,931 sqft · 1.51 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$600,000Dec 2013 $8,3992025 1 Name on Record AssessorUpdated Oct 2025

16700 Walnut Ave

4 bd · 3 ba · 2,504 sqft · 0.68 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$312,500Jun 2014 $5,3372025 —Aug 2024 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

16705 Walnut Ave

1,782 sqft · Built 2001 · 1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,4132025 —Jun 2015 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

16750 Walnut Ave

3 bd · 3 ba · 1,883 sqft · 0.689 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,7222025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

16755 Walnut Ave

3 bd · 1 ba · 1,326 sqft · 1.4 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$183,500Sep 1997 $3,3462025 —Aug 2003 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

16800 Walnut Ave

2 bd · 2 ba · 1,790 sqft · 0.719 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$656,500Jul 2020 $8,1162025 —Apr 2012 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

16805 Walnut Ave

2 bd · 1 ba · 1,088 sqft · 0.869 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$355,000Jun 2017 $4,6262025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2025

16850 Walnut Ave

3 bd · 2 ba · 2,160 sqft · 0.369 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$265,000Oct 1993 $13,4112025 —Jul 2008 1 Name on Record Owner Occupied AssessorUpdated Oct 2025

16855 Walnut Ave

3 bd · 2 ba · 1,374 sqft · 0.45 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2001 $2,9112025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

17000 Walnut Ave

4 bd · 2 ba · 1,420 sqft · 0.719 acres

Last Sale Tax Bill Prior Sale Owner Records
$535,000Apr 2017 $7,0922025 —Dec 1998 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

17005 Walnut Ave

0.968 acres

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

17025 Walnut Ave

2,841 sqft · Built 1920 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$500,000Dec 2024 $5,7112025 Amount on Record Nov 2021 1 Name on Record Assessor + 1 DocumentUpdated Oct 2025

17050 Walnut Ave

3 bd · 2 ba · 1,490 sqft · 0.71 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2020 Amount on Record May 2001 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

17055 Walnut Ave

3 bd · 2 ba · 2,576 sqft · 3.75 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,5092025 —Jul 2023 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

17100 Walnut Ave

3 bd · 2 ba · 1,522 sqft · 1.31 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,6262025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

17150 Walnut Ave

3 bd · 2 ba · 1,592 sqft · 1.18 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2008 $2,4842025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

17155 Walnut Ave

2 bd · 1 ba · 1,184 sqft · 2.42 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$145,000Mar 1999 $2,5962025 —Dec 1997 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

17160 Walnut Ave

4 bd · 3 ba · 2,191 sqft · 1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$571,000Aug 2013 $8,3232025 Amount on Record Mar 2001 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

17175 Walnut Ave

1 bd · 1 ba · 964 sqft · 2.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,7792025 —Oct 2004 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

17180 Walnut Ave

3 bd · 1 ba · 991 sqft · 1.27 acres

Last Sale Tax Bill Prior Sale Owner Records
$165,000Jun 1997 $2,2092025 —Oct 1997 1 Name on Record AssessorUpdated Oct 2025

17230 Walnut Ave

4 bd · 3.5 ba · 2,776 sqft · 1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$220,000Feb 1990 $6,9122025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

17250 Walnut Ave

3 bd · 1.5 ba · 1,411 sqft · 1.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$715,000Sep 2023 $9,4952025 —Mar 2017 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

17255 Walnut Ave

10 bd · 7 ba · 5,486 sqft · 3.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,675,000Mar 2025 $16,3112025 —Jan 2011 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

17265 Walnut Ave

2 bd · 1 ba · 624 sqft · 1.57 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,5432025 Amount on Record Apr 2002 1 Name on Record Assessor + 1 DocumentUpdated Oct 2025

17355 Walnut Ave

3 bd · 2.5 ba · 1,974 sqft · 1.58 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,110,000Jul 2024 $12,0042025 Amount on Record Dec 1993 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

17360 Walnut Ave

2 bd · 1 ba · 1,078 sqft · 2.5 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$140,000Mar 1996 $2,5762025 —Nov 2010 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

17404 Walnut Ave

3 bd · 2 ba · 2,114 sqft · 1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$224,000May 1993 $4,7992025 —Mar 2022 1 Name on Record Assessor + 5 DocumentsUpdated Aug 2026
Last Sale Tax Bill Prior Sale Owner Records
$1,0392025 —Nov 2007 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

17420 Walnut Ave

2 bd · 1 ba · 1,316 sqft · 1.33 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2002 $3,5012025 Amount on Record Feb 2000 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

17450 Walnut Ave

2 bd · 1 ba · 1,062 sqft · 0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$208,000Sep 2009 $2,9862025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

17460 Walnut Ave

4 bd · 2 ba · 1,489 sqft · 1.39 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,9972025 —May 2018 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

17465 Walnut Ave

3 bd · 2.5 ba · 1,672 sqft · 1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,1732025 —Aug 2013 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

17475 Walnut Ave

3 bd · 3 ba · 1,672 sqft · 1 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$355,000Feb 2011 $5,1152025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

18050 Walnut Ave

2 bd · 1 ba · 1,132 sqft · 0.34 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$580,000Apr 2026 $1,5422025 Amount on Record Feb 2001 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

18100 Walnut Ave

2 bd · 2 ba · 2,307 sqft · 2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,9612025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

18205 Walnut Ave

3 bd · 3 ba · 3,293 sqft · 2.4 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,800,000Jun 2023 $21,3892025 —Aug 2018 1 Name on Record Owner Occupied Assessor + 6 DocumentsUpdated Oct 2025

18305 Walnut Ave

3 bd · 3 ba · 2,442 sqft · 2.4 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$305,000Nov 2015 $8,7742025 1 Name on Record Assessor + 3 DocumentsUpdated Oct 2025

18405 Walnut Ave

3 bd · 2.5 ba · 2,000 sqft · 10.4 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$300,000Apr 1999 $5,2912025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

19005 Walnut Ave

8.22 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2017 $7412025 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

19500 Walnut Ave

3 bd · 2.5 ba · 2,547 sqft · 353 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2012 $29,8622025 1 Name on Record AssessorUpdated Aug 2026

19505 Walnut Ave

7 bd · 5.5 ba · 4,212 sqft · 9.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,2862025 —Feb 2003 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

Property Records in Nearby Streets