12th Ave, San Mateo, CA Property Records

San Mateo County property records for 47 addresses on 12th Ave, San Mateo, CA · Last verified August 2026

12th Ave Highlights

Properties 47
Median Sale Price $2,200,000
Deeds and Mortgages on File 52
Median Price per Sqft $1,113
Owner Occupied 70%
Median Annual Tax Bill $14,105
Median Year Built 1926
Median Ownership Tenure 21 years

Properties on 12th Ave

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

3 12th Ave

2 bd · 2.5 ba · 1,660 sqft · 0.412 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$236,000Aug 1994 $6,3492025 —Apr 1995 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

5 12th Ave

2 bd · 2.5 ba · 1,590 sqft · 0.412 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$1,260,000Mar 2018 $17,7742025 Amount on Record Aug 1994 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

7 12th Ave

2 bd · 2.5 ba · 1,590 sqft · 0.039 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$239,000Jun 1994 $6,4602025 Amount on Record Feb 1994 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

9 12th Ave

2 bd · 2.5 ba · 1,660 sqft · 0.412 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$5,5232025 —Feb 2013 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

10 12th Ave

3 bd · 2 ba · 1,890 sqft · 0.154 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$285,000Apr 1995 $11,2472025 —Oct 2012 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

11 12th Ave

2 bd · 2.5 ba · 1,660 sqft · 0.412 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$513,000Sep 2000 $3,7172025 —Sep 2000 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

13 12th Ave

2 bd · 2.5 ba · 1,590 sqft · 0.412 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$1,240,000Apr 2022 $15,7372025 Amount on Record Feb 1994 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

15 12th Ave

2 bd · 2.5 ba · 1,590 sqft · 0.412 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$500,000Oct 2003 $9,3742025 —Oct 2003 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

16 12th Ave

3 bd · 2 ba · 1,630 sqft · 0.154 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$840,000Aug 2009 $14,9002025 Amount on Record May 2002 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

17 12th Ave

2 bd · 2.5 ba · 1,660 sqft · 0.412 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$5,5282025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

20 12th Ave

3 bd · 1 ba · 1,460 sqft · 0.154 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$979,000Jul 2008 $15,7552025 Amount on Record Feb 2002 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

21 12th Ave

6 bd · 2 ba · 2,430 sqft · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,4912025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

23 12th Ave

5 bd · 2.5 ba · 2,104 sqft · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$995,000Dec 2004 $19,6992025 —Jun 2004 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

24 12th Ave

3 bd · 1 ba · 1,700 sqft · 0.154 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$775,100Jan 2013 $12,5622025 Amount on Record Nov 2005 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

25 12th Ave

2 bd · 2 ba · 1,550 sqft · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$385,000Sep 1997 $9,1042025 —Dec 2020 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

32 12th Ave

3 bd · 2 ba · 1,900 sqft · 0.154 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$730,000Apr 2000 $14,4732025 1 Name on Record AssessorUpdated Jul 2026

36 12th Ave

3 bd · 2 ba · 2,080 sqft · 0.154 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,118,000Aug 2005 $18,9782025 Amount on Record Jun 2000 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

37 12th Ave

4 bd · 3.5 ba · 3,660 sqft · 0.137 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$950,000Oct 2004 $18,3772025 2 Names on Record AssessorUpdated Jul 2026

111 12th Ave

2 bd · 1 ba · 1,140 sqft · 0.101 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,1722025 2 Names on Record Assessor + 3 DocumentsUpdated Jul 2026

114 12th Ave

2 bd · 2 ba · 1,590 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,3472025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

115 12th Ave

4 bd · 2 ba · 1,790 sqft · 0.101 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,507,000Jun 2025 $15,6012025 Amount on Record Jan 2005 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

118 12th Ave

3 bd · 1 ba · 1,530 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,730,000May 2024 $21,4002025 —Feb 2003 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

119 12th Ave

4 bd · 2 ba · 1,880 sqft · 0.101 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$720,000Dec 2002 $13,2852025 —Dec 2002 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

122 12th Ave

4 bd · 3 ba · 1,990 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,1742025 —Sep 2003 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

123 12th Ave

3 bd · 2 ba · 1,850 sqft · 0.101 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,505,000May 2022 $26,0342025 —Mar 1998 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

126 12th Ave

3 bd · 2 ba · 2,030 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,285,000Jun 2014 $22,8322025 Amount on Record Jul 2008 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

127 12th Ave

3 bd · 2 ba · 1,706 sqft · 0.101 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,900,000Aug 2023 $23,6212025 Amount on Record Jun 2012 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

130 12th Ave

2 bd · 1 ba · 1,340 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$755,000May 2003 $13,7272025 —Oct 2004 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

131 12th Ave

3 bd · 1 ba · 1,580 sqft · 0.101 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$701,000Aug 2001 $13,6282025 Amount on Record Feb 1997 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

134 12th Ave

3 bd · 2 ba · 1,540 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$712,000Aug 2001 $14,1052025 Amount on Record Jun 1995 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

135 12th Ave

3 bd · 3 ba · 2,390 sqft · 0.101 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,475,000Feb 2023 $30,7552025 —Mar 2011 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

137 12th Ave

2 bd · 1 ba · 1,250 sqft · 0.101 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,525,000Dec 2019 $22,1422025 Amount on Record Dec 2012 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

138 12th Ave

2 bd · 1 ba · 1,390 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,6812025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

143 12th Ave

2 bd · 1 ba · 1,390 sqft · 0.101 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,925,000May 2018 $27,4652025 Amount on Record Nov 2009 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

144 12th Ave

2 bd · 1 ba · 1,240 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$890,000May 2007 $14,8022025 Amount on Record Dec 2005 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

147 12th Ave

2 bd · 1 ba · 920 sqft · 0.101 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$810,000Aug 2005 $14,3502025 Amount on Record Jun 2002 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

148 12th Ave

4 bd · 3 ba · 2,250 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,8282025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

151 12th Ave

2 bd · 2 ba · 1,620 sqft · 0.101 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$305,000Sep 1988 $8,9372025 —May 1994 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

152 12th Ave

2 bd · 1 ba · 1,200 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,3392025 —Mar 2021 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

154 12th Ave

5 bd · 2 ba · 2,050 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$600,000Mar 2000 $13,1242025 —Mar 2000 2 Names on Record Assessor + 1 DocumentUpdated Jul 2026

155 12th Ave

3 bd · 2 ba · 2,060 sqft · 0.101 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,200,000Jul 2024 $26,5172025 Amount on Record Apr 2011 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

156 12th Ave

3 bd · 2 ba · 1,552 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$749,000Jul 2004 $14,9912025 2 Names on Record AssessorUpdated Jul 2026

157 12th Ave

3 bd · 2 ba · 1,496 sqft · 0.101 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$500,000Dec 2014 $14,7412025 Amount on Record Aug 2006 2 Names on Record AssessorUpdated Jul 2026

159 12th Ave

6 bd · 2.5 ba · 2,835 sqft · 0.179 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$370,000Oct 1993 $10,3412025 —Jan 2013 2 Names on Record AssessorUpdated Jul 2026

170 12th Ave

6 bd · 2.5 ba · 2,527 sqft · 0.134 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,0712025 —Nov 1998 1 Name on Record AssessorUpdated Jul 2026

200 12th Ave

8 bd · 4 ba · 4,520 sqft · 0.135 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,160,000Oct 2012 $22,5532025 Amount on Record Dec 2003 2 Names on Record AssessorUpdated Jul 2026

212 12th Ave

4 bd · 4 ba · 1,643 sqft · 0.112 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,828,000Aug 2024 $26,1392025 Amount on Record Aug 2016 1 Name on Record Assessor + 4 DocumentsUpdated Jul 2026

Wildfire Risk on 12th Ave

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

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach of burnable land

Property Records in Nearby Streets