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 Risk to HomesNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach of burnable land

Property Records in Nearby Streets