Hillside Ave, Mill Valley, CA Property Records

Marin County property records for 79 addresses on Hillside Ave, Mill Valley, CA · Last verified August 2026

Hillside Ave Highlights

Properties 79
Median Sale Price $3,025,000
Deeds and Mortgages on File 170
Median Price per Sqft $1,153
Owner Occupied 85%
Median Annual Tax Bill $24,612
Median Year Built 1924
Median Ownership Tenure 10 years

Properties on Hillside Ave

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

12 Hillside Ave

5 bd · 4 ba · 4,863 sqft · 0.224 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$12,250,000Jul 2026 $28,5762025 Amount on Record Aug 1997 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

19 Hillside Ave

4 bd · 5.5 ba · 3,424 sqft · 0.196 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,000,000Jul 2010 $47,3922025 Amount on Record Nov 2003 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

24 Hillside Ave

4 bd · 2 ba · 2,329 sqft · 0.257 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$764,000Aug 1996 $15,6102025 —Sep 2020 2 Names on Record Owner Occupied Assessor + 6 DocumentsUpdated Jul 2026

35 Hillside Ave

3 bd · 1 ba · 1,637 sqft · 0.587 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,685,000Oct 2021 $23,7032025 —Feb 2003 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

38 Hillside Ave

4 bd · 2 ba · 1,741 sqft · 0.106 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$583,000Jan 2016 $15,4322025 —Jan 2016 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

40 Hillside Ave

3 bd · 2 ba · 1,690 sqft · 0.101 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,400,000Dec 2015 $23,6462025 Amount on Record Apr 2012 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

44 Hillside Ave

2,396 sqft · Built 1908 · 0.191 acres

Last Sale Tax Bill Prior Sale Owner Records
$187,500Jul 2013 $23,7362025 Amount on Record Jun 2012 2 Names on Record Owner Occupied Assessor + 6 DocumentsUpdated Jul 2026

49 Hillside Ave

4 bd · 3 ba · 3,018 sqft · 0.206 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,400,000Jun 2021 $46,2152025 Amount on Record Jul 2020 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

55 Hillside Ave

3 bd · 2 ba · 2,167 sqft · 0.195 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$734,000Oct 2002 $18,1642025 Amount on Record Apr 1999 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

56 Hillside Ave

2 bd · 1 ba · 1,311 sqft · 0.117 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,3972025 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

57 Hillside Ave

3 bd · 2.5 ba · 2,331 sqft · 0.513 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,0912025 —Aug 2023 2 Names on Record Owner Occupied Assessor + 7 DocumentsUpdated Aug 2026

60 Hillside Ave

2 bd · 1.5 ba · 1,079 sqft · 0.073 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,380,000Jun 2018 $21,5792025 Amount on Record Mar 2015 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

64 Hillside Ave

2 bd · 1 ba · 954 sqft · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,175,000Nov 2013 $21,3452025 —Jan 2025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

65 Hillside Ave

3 bd · 2 ba · 1,834 sqft · 0.321 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$960,000Nov 2010 $24,6122025 —May 2005 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

73 Hillside Ave

4 bd · 1.5 ba · 2,256 sqft · 0.229 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,9472025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

76 Hillside Ave

3 bd · 2 ba · 1,636 sqft · 0.045 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,4342025 —Feb 2013 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

77 Hillside Ave

1 bd · 1 ba · 525 sqft · 0.206 acres

Last Sale Tax Bill Prior Sale Owner Records
$830,000Feb 2016 $14,5452025 Amount on Record Jun 2010 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

81 Hillside Ave

3 bd · 2 ba · 2,182 sqft · 0.224 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,549,000Apr 2016 $26,3122025 Amount on Record Sep 2004 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

84 Hillside Ave

5 bd · 3 ba · 2,431 sqft · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,235,000May 2008 $35,5492025 Amount on Record Dec 2002 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

86 Hillside Ave

2 bd · 2 ba · 1,996 sqft · 0.151 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,025,000Sep 2023 $38,7892025 Amount on Record Jul 2022 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

87 Hillside Ave

3 bd · 2.5 ba · 3,221 sqft · 0.277 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$465,000Apr 2018 $19,2352025 Amount on Record Aug 1997 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

99 Hillside Ave

4 bd · 3.5 ba · 3,292 sqft · 0.091 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,810,000Nov 2023 $47,7212025 Amount on Record Dec 2014 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

100 Hillside Ave

3 bd · 3 ba · 2,203 sqft · 0.151 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,160,000Oct 2019 $30,9502025 Amount on Record Jan 2005 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

103 Hillside Ave

3 bd · 1.5 ba · 1,954 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$151,000Dec 1992 $5,9992025 —Sep 2004 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

109 Hillside Ave

5 bd · 2 ba · 2,467 sqft · 0.21 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,810,000Oct 2018 $27,0152025 —Sep 2018 1 Name on Record Owner Occupied Assessor + 6 DocumentsUpdated Jul 2026

113 Hillside Ave

4 bd · 3.5 ba · 2,632 sqft · 0.091 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,000,000Nov 2024 $38,4662025 Amount on Record Dec 2004 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

114 Hillside Ave

3 bd · 2 ba · 1,627 sqft · 0.078 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,700,000Jun 2015 $26,9982025 Amount on Record Aug 2000 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

119 Hillside Ave

3 bd · 3 ba · 2,221 sqft · 0.275 acres

Last Sale Tax Bill Prior Sale Owner Records
$13,9852025 —Dec 2013 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

120 Hillside Ave

4 bd · 3.5 ba · 2,736 sqft · 0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,150,000Aug 2016 $44,8842025 Amount on Record Jan 2014 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

126 Hillside Ave

3 bd · 2 ba · 1,091 sqft · 0.144 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2018 $12,1012025 —Oct 2014 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

130 Hillside Ave

3 bd · 2 ba · 1,283 sqft · 0.068 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,5502025 —Oct 2009 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

131 Hillside Ave

4 bd · 4.5 ba · 3,406 sqft · 0.113 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$775,000Sep 2006 $35,3022025 Amount on Record Jan 2004 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

144 Hillside Ave

4 bd · 2 ba · 2,430 sqft · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,272,500Dec 2023 $40,3382025 Amount on Record Feb 2020 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

154 Hillside Ave

4 bd · 2.5 ba · 3,605 sqft · 0.22 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$18,1992025 —May 2005 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

160 Hillside Ave

4 bd · 3.5 ba · 3,742 sqft · 0.344 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,100,000Aug 1997 $26,9232025 Amount on Record May 1994 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

162 Hillside Ave

4 bd · 3 ba · 2,753 sqft · 0.247 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,475,000Apr 2009 $25,5042025 Amount on Record Nov 1997 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

164 Hillside Ave

3 bd · 2 ba · 2,658 sqft · 0.514 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,065,000Nov 2021 $41,5852025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

166 Hillside Ave

3 bd · 2.5 ba · 1,938 sqft · 0.385 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,500,000Apr 2020 $24,2142025 Amount on Record Dec 2018 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

175 Hillside Ave

4 bd · 3.5 ba · 3,675 sqft · 0.482 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,675,000Apr 2021 $85,0922025 1 Name on Record Assessor + 6 DocumentsUpdated Jul 2026

185 Hillside Ave

3 bd · 3 ba · 2,236 sqft · 0.192 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$16,1502025 2 Names on Record Owner Occupied Assessor + 7 DocumentsUpdated Aug 2026

203 Hillside Ave

4 bd · 3.5 ba · 3,255 sqft · 0.247 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,136,500May 2014 $55,4022025 Amount on Record Mar 1999 2 Names on Record Assessor + 2 DocumentsUpdated Jul 2026

209 Hillside Ave

2 bd · 2 ba · 1,629 sqft · 0.123 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,4392025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

215 Hillside Ave

5 bd · 2 ba · 2,646 sqft · 0.328 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$17,2982025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

221 Hillside Ave

5 bd · 5.5 ba · 4,850 sqft · 0.429 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,150,000Apr 2014 $55,0942025 Amount on Record Dec 2009 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

235 Hillside Ave

4 bd · 5.5 ba · 4,443 sqft · 0.353 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$2,500,000May 2011 $84,5262025 —May 2007 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

240 Hillside Ave

3 bd · 3 ba · 1,630 sqft · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$500,000Mar 1998 $6,7822025 —Mar 1998 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

250 Hillside Ave

4 bd · 3.5 ba · 3,531 sqft · 0.33 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$3,175,000Jun 2015 $49,0882025 Amount on Record Feb 2010 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

255 Hillside Ave

4 bd · 2 ba · 3,504 sqft · 0.481 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,200,000Sep 2025 $54,9792025 Amount on Record Nov 2007 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

258 Hillside Ave

4 bd · 4 ba · 4,614 sqft · 0.26 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,000,000Aug 2019 $42,9762025 Amount on Record Feb 1999 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

266 Hillside Ave

4 bd · 2 ba · 2,053 sqft · 0.227 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,300,000Aug 2020 $31,8572025 Amount on Record Oct 2006 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

267 Hillside Ave

5 bd · 3 ba · 2,900 sqft · 0.431 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,6532025 —Jul 1994 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

271 Hillside Ave

3 bd · 1 ba · 1,668 sqft · 0.343 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$13,2852025 —Oct 2020 2 Names on Record Owner Occupied Assessor + 6 DocumentsUpdated Jul 2026

274 Hillside Ave

3 bd · 2.5 ba · 2,590 sqft · 0.152 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,975,000May 2012 $38,7292025 Amount on Record Oct 2007 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

278 Hillside Ave

2 bd · 2 ba · 1,772 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,0312025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

279 Hillside Ave

3 bd · 2 ba · 1,594 sqft · 0.12 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,850,000Oct 2007 $32,1292025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

285 Hillside Ave

3 bd · 3.5 ba · 2,757 sqft · 0.18 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$5,996,000May 2022 $30,3912025 Amount on Record Feb 2017 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

288 Hillside Ave

4 bd · 3 ba · 3,100 sqft · 0.289 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,900,000Apr 2016 $43,4352025 Amount on Record Jun 2002 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

293 Hillside Ave

3 bd · 3 ba · 3,648 sqft · 0.258 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$16,9672025 1 Name on Record Assessor + 3 DocumentsUpdated Jul 2026

299 Hillside Ave

2 bd · 2 ba · 1,323 sqft · 0.155 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,100,000Jun 2022 $28,8782025 Amount on Record Feb 2019 2 Names on Record Owner Occupied Assessor + 6 DocumentsUpdated Jul 2026

300 Hillside Ave

3 bd · 2.5 ba · 1,941 sqft · 0.12 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,000,000Jul 2025 $15,5572025 Amount on Record Nov 2012 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

305 Hillside Ave

4 bd · 3 ba · 2,492 sqft · 0.29 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$7,0412025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

310 Hillside Ave

3 bd · 2.5 ba · 1,656 sqft · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$397,500Jul 1994 $8,5692025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

315 Hillside Ave

2 bd · 1.5 ba · 1,269 sqft · 0.147 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,400,000Aug 2024 $30,0862025 Amount on Record Feb 2022 1 Name on Record Assessor + 2 DocumentsUpdated Jul 2026

316 Hillside Ave

4 bd · 2.5 ba · 2,743 sqft · 0.163 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,280,000Nov 2013 $27,2622025 Amount on Record Aug 1998 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

317 Hillside Ave

4 bd · 4.5 ba · 3,754 sqft · 0.261 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$4,000,000Oct 2013 $62,6452025 Amount on Record Mar 2011 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

333 Hillside Ave

3 bd · 1 ba · 1,540 sqft · 0.267 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,630,000Oct 2022 $22,6582025 —Jul 1997 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

339 Hillside Ave

3 bd · 2.5 ba · 3,113 sqft · 0.15 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$300,000Jun 1996 $10,6412025 —Jan 2006 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

364 Hillside Ave

3 bd · 2 ba · 1,218 sqft · 0.239 acres

Last Sale Tax Bill Prior Sale Owner Records
$335,000Jun 1994 $10,4792025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

388 Hillside Ave

3 bd · 3 ba · 3,041 sqft · 0.552 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,837,000Feb 2025 $35,9052025 —Sep 2022 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

400 Hillside Ave

5 bd · 5 ba · 4,927 sqft · 0.934 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
—May 2002 $58,0852025 Amount on Record Mar 1996 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

410 Hillside Ave

4 bd · 2.5 ba · 3,240 sqft · 0.454 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,150,000Aug 2022 $31,3462025 Amount on Record Aug 2001 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

450 Hillside Ave

5 bd · 4 ba · 4,548 sqft · 0.446 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,530,000Apr 2020 $48,0382025 Amount on Record Nov 2010 2 Names on Record Owner Occupied Assessor + 6 DocumentsUpdated Jul 2026

470 Hillside Ave

3 bd · 3 ba · 2,756 sqft · 0.642 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$8,0042025 —Jan 2019 2 Names on Record Owner Occupied Assessor + 6 DocumentsUpdated Aug 2026

484 Hillside Ave

3 bd · 2 ba · 1,593 sqft · 0.241 acres

Last Sale Tax Bill Prior Sale Owner Records
$690,000Jul 1998 $16,3812025 —Mar 2008 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

500 Hillside Ave

3 bd · 3 ba · 2,164 sqft · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,1552025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

502 Hillside Ave

2 bd · 1 ba · 1,494 sqft · 0.266 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Mar 1995 $5,6312025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

512 Hillside Ave

5 bd · 5 ba · 3,345 sqft · 0.2 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,925,000Oct 2018 $43,2922025 Amount on Record Feb 2010 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

523 Hillside Ave

5 bd · 4.5 ba · 4,843 sqft · 0.826 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,100,000Feb 2011 $49,6462025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

527 Hillside Ave

1 bd · 2 ba · 1,548 sqft · 0.136 acres

Last Sale Tax Bill Prior Sale Owner Records
$955,000May 2004 $16,9852025 Amount on Record — 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

Wildfire Risk on Hillside Ave

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

Wildfire RiskLow
this street's cells rank at the 30th percentile of exposed land nationally · 17th in California
Wildfire LikelihoodLow — about 1 in 3,226 per year
ExposureDirect
4 of 6 cells directly exposed · 6 adjoin burnable vegetation

Property Records in Nearby Streets