Mountain Spring Ave, San Francisco, CA Property Records

San Francisco City property records for 31 addresses on Mountain Spring Ave, San Francisco, CA · Last verified August 2026

Mountain Spring Ave Highlights

Properties 31
Median Sale Price $3,815,000
Deeds and Mortgages on File 45
Median Price per Sqft $1,177
Owner Occupied 77%
Median Annual Tax Bill $31,096
Median Year Built 1958
Median Ownership Tenure 15 years

Properties on Mountain Spring Ave

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

2 Mountain Spring Ave

4 bd · 3 ba · 3,524 sqft · built 1956 · 0.081 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,037,500Apr 2021 $50,9802024 Amount on Record Sep 1998 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

10 Mountain Spring Ave

3 bd · 2 ba · 3,114 sqft · built 1958 · 0.102 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,900,500Apr 2005 $9,2912024 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

15 Mountain Spring Ave

built 1900 · 0.034 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,850,000Jun 2007 $8,0672024 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

20 Mountain Spring Ave

2 bd · 2 ba · 1,976 sqft · built 1960 · 0.082 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,850,000Feb 2013 $41,0952024 Amount on Record Apr 2000 1 Name on Record AssessorUpdated Apr 2026

21 Mountain Spring Ave

4 bd · 5 ba · 6,209 sqft · built 2020 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,850,000Jun 2007 $64,7832025 —Nov 2004 1 Name on Record AssessorUpdated Nov 2025

25 Mountain Spring Ave

4 bd · 3 ba · 3,880 sqft · built 1989 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Jul 1996 $10,8582024 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

30 Mountain Spring Ave

3 ba · 2,275 sqft · built 1922 · 0.141 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,7242024 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

33 Mountain Spring Ave

5 bd · 4 ba · 5,928 sqft · built 1932 · 0.302 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,725,000Mar 2023 $7,1412024 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

34 Mountain Spring Ave

2 bd · 1 ba · 1,528 sqft · built 1934 · 0.087 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,800,000Aug 2018 $37,7482025 Amount on Record Apr 2013 1 Name on Record Assessor + 1 DocumentUpdated Nov 2025

38 Mountain Spring Ave

3 bd · 3 ba · 3,475 sqft · built 1998 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$28,9182024 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

44 Mountain Spring Ave

5 bd · 4 ba · 3,823 sqft · built 1958 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,500,000Oct 2025 $20,6672025 —Oct 2024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Nov 2025

50 Mountain Spring Ave

4 bd · 3 ba · 3,695 sqft · built 1962 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,415,000Jan 2011 $37,4092024 Amount on Record May 2003 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

54 Mountain Spring Ave

4 bd · 4 ba · 3,614 sqft · built 1958 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,500,000Mar 2004 $31,8482025 2 Names on Record AssessorUpdated Nov 2025

60 Mountain Spring Ave

5 bd · 4 ba · 3,582 sqft · built 1951 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$870,000Apr 1995 $17,4902024 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

65 Mountain Spring Ave

4 bd · 3 ba · 3,513 sqft · built 1933 · 0.126 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,360,000Dec 2011 $34,1792024 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

66 Mountain Spring Ave

5 bd · 4 ba · 5,607 sqft · built 1947 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,475,000Jan 2004 $33,4842025 1 Name on Record Assessor + 1 DocumentUpdated Nov 2025

74 Mountain Spring Ave

3 bd · 3 ba · 2,480 sqft · built 1932 · 0.057 acres

Last Sale Tax Bill Prior Sale Owner Records
$19,6032025 2 Names on Record Owner Occupied AssessorUpdated Nov 2025

75 Mountain Spring Ave

4 bd · 4 ba · 5,732 sqft · built 1932 · 0.229 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,086,000Oct 2012 $62,4542024 Amount on Record Jul 2008 2 Names on Record AssessorUpdated Aug 2026

82 Mountain Spring Ave

3 bd · 2 ba · 1,770 sqft · built 1936 · 0.149 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,2222024 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Apr 2026

85 Mountain Spring Ave

4 bd · 3 ba · 2,366 sqft · built 1932 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,7792024 —May 2024 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

89 Mountain Spring Ave

3 ba · 2,653 sqft · built 1960 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,9962024 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

90 Mountain Spring Ave

2 bd · 2 ba · 2,480 sqft · built 1958 · 0.157 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,975,000Mar 2007 $31,0962024 Amount on Record Oct 1994 1 Name on Record Owner Occupied Assessor + 6 DocumentsUpdated Apr 2026

99 Mountain Spring Ave

4 bd · 4 ba · 3,510 sqft · built 1970 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,975,000May 2005 $32,6252024 Amount on Record Nov 1997 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

100 Mountain Spring Ave

2 ba · 2,110 sqft · built 1955 · 0.083 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,5782024 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

101 Mountain Spring Ave

2 ba · 1,912 sqft · built 1960 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,0872025 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

115 Mountain Spring Ave

4 bd · 3 ba · 2,614 sqft · built 1960 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,815,000May 2021 $41,1212024 Amount on Record Apr 2016 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

120 Mountain Spring Ave

3 ba · 2,774 sqft · built 1942 · 0.094 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,0142025 1 Name on Record Owner Occupied AssessorUpdated Nov 2025

125 Mountain Spring Ave

6 bd · 6 ba · 4,292 sqft · built 1961 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,825,000Feb 2013 $48,3492024 Amount on Record May 2008 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Apr 2026

135 Mountain Spring Ave

7 bd · 5 ba · 4,342 sqft · built 1954 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,890,000May 2005 $35,3302025 —Nov 2004 2 Names on Record Owner Occupied AssessorUpdated Nov 2025

136 Mountain Spring Ave

3 bd · 3 ba · 2,528 sqft · built 1978 · 0.034 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,395,000Oct 2019 $31,7852025 Amount on Record Jan 2015 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

145 Mountain Spring Ave

7 bd · 5 ba · 2,743 sqft · built 1959 · 0.117 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,752,000Apr 2018 $37,3722024 1 Name on Record Owner Occupied Assessor + 6 DocumentsUpdated Apr 2026

Wildfire Risk on Mountain Spring Ave

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

Wildfire RiskLow
this street's cells rank above 1% of the US · above 1% of California
Wildfire LikelihoodLess than 1 in 10,000 per year
ExposureDirect
2 of 3 cells directly exposed · 3 adjoin burnable vegetation

Property Records in Nearby Streets