Helena Dr, Sunnyvale, CA Property Records

Santa Clara County property records for 81 addresses on Helena Dr, Sunnyvale, CA · Last verified September 2026

Helena Dr Highlights

Properties 81
Median Sale Price $2,955,000
Deeds and Mortgages on File 106
Median Price per Sqft $1,746
Owner Occupied 88%
Median Annual Tax Bill $10,248
Median Year Built 1958
Median Ownership Tenure 21 years

Properties on Helena Dr

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

783 Helena Dr

3 bd · 2 ba · 2,072 sqft · built 1959 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,6042025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

789 Helena Dr

4 bd · 2 ba · 1,846 sqft · built 1959 · 0.184 acres

Last Sale Tax Bill Prior Sale Owner Records
$711,000Aug 1999 $12,7412025 —Oct 2010 Owner on Record Owner Occupied AssessorUpdated Oct 2025

795 Helena Dr

4 bd · 2 ba · 1,768 sqft · built 1959 · 0.184 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,450,000Apr 2024 $41,0442025 —May 2022 2 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

823 Helena Dr

4 bd · 2 ba · 2,063 sqft · built 1959 · 0.184 acres

Last Sale Tax Bill Prior Sale Owner Records
$895,500Apr 2003 $1,5152025 2 Owners on Record AssessorUpdated Sep 2026

835 Helena Dr

4 bd · 2 ba · 1,918 sqft · built 1959 · 0.184 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,850,000Sep 2022 $34,6162025 3 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

843 Helena Dr

4 bd · 2 ba · 2,355 sqft · built 1959 · 0.184 acres

Last Sale Tax Bill Prior Sale Owner Records
$439,000Jun 1993 $9,5092025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

856 Helena Dr

4 bd · 2 ba · 2,121 sqft · built 1958 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,180,000May 2010 $22,3362025 —May 2010 Owner on Record Owner Occupied AssessorUpdated Sep 2026

857 Helena Dr

5 bd · 3.5 ba · 3,208 sqft · built 1958 · 0.189 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,3592025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

858 Helena Dr

4 bd · 2 ba · 1,918 sqft · built 1958 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,400,000May 2008 $21,5182025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

859 Helena Dr

4 bd · 2 ba · 2,480 sqft · built 1958 · 0.237 acres

Last Sale Tax Bill Prior Sale Owner Records
$537,000Dec 1997 $11,9582025 —Dec 1997 Owner on Record Owner Occupied AssessorUpdated Aug 2026

860 Helena Dr

3 bd · 2 ba · 1,886 sqft · built 1958 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,3882025 —Oct 2005 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

861 Helena Dr

4 bd · 2 ba · 2,014 sqft · built 1958 · 0.242 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,775,000Nov 2014 $25,0242025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

862 Helena Dr

4 bd · 2 ba · 1,768 sqft · built 1958 · 0.195 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,0662025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

863 Helena Dr

4 bd · 2 ba · 1,846 sqft · built 1958 · 0.187 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2002 $8,6712025 Amount on Record Jun 1994 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

864 Helena Dr

4 bd · 2 ba · 1,918 sqft · built 1958 · 0.195 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,800,000Apr 2021 $35,4642025 3 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

865 Helena Dr

4 bd · 2 ba · 1,864 sqft · built 1958 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,130,000Dec 2016 $28,9642025 3 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

866 Helena Dr

4 bd · 2 ba · 2,247 sqft · built 1958 · 0.192 acres

Last Sale Tax Bill Prior Sale Owner Records
$425,000May 1991 $9,4362025 —Mar 2002 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

867 Helena Dr

4 bd · 2 ba · 2,186 sqft · built 1958 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$429,500Jul 1996 $8,8602025 —Jul 1996 Owner on Record Owner Occupied AssessorUpdated Aug 2026

868 Helena Dr

3 bd · 2 ba · 1,722 sqft · built 1958 · 0.195 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,528,000May 2018 $33,6682025 Amount on Record Jun 2000 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated May 2026

869 Helena Dr

4 bd · 2 ba · 1,918 sqft · built 1958 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,1852025 —Jan 1995 Owner on Record AssessorUpdated Aug 2026

870 Helena Dr

4 bd · 2 ba · 1,984 sqft · built 1958 · 0.212 acres

Last Sale Tax Bill Prior Sale Owner Records
$936,000May 2004 $15,6082025 —Nov 2012 2 Owners on Record Owner Occupied AssessorUpdated Oct 2025

871 Helena Dr

3 bd · 2 ba · 1,649 sqft · built 1958 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,300,000May 2024 $39,1842025 —Feb 1999 3 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

872 Helena Dr

3 bd · 2 ba · 1,662 sqft · built 1958 · 0.205 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,100,000Dec 2009 $16,3142025 —Jul 2021 2 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Oct 2025

873 Helena Dr

4 bd · 4 ba · 2,998 sqft · built 1958 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$370,000Nov 1988 $9,5962025 —Sep 2010 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

874 Helena Dr

4 bd · 2 ba · 1,768 sqft · built 1958 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,550,000Jul 2013 $22,2302025 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

875 Helena Dr

4 bd · 2 ba · 2,098 sqft · built 1958 · 0.201 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,8172025 —Jul 2013 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

876 Helena Dr

4 bd · 2 ba · 1,792 sqft · built 1958 · 0.193 acres

Last Sale Tax Bill Prior Sale Owner Records
$34,7172025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

877 Helena Dr

3 bd · 2 ba · 1,725 sqft · built 1959 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
$885,000Jan 2004 $14,7642025 —Nov 2010 Owner on Record Owner Occupied AssessorUpdated Sep 2026

878 Helena Dr

4 bd · 2 ba · 1,768 sqft · built 1958 · 0.19 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,4312025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

879 Helena Dr

3 bd · 2 ba · 1,512 sqft · built 1958 · 0.167 acres

Last Sale Tax Bill Prior Sale Owner Records
$620,000Mar 1999 $11,4342025 Amount on Record Jul 1996 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

880 Helena Dr

4 bd · 2 ba · 1,947 sqft · built 1958 · 0.207 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,400,000Jun 2024 $1,4852024 Amount on Record Jul 2018 2 Owners on Record Owner Occupied Assessor + 8 DocumentsUpdated Apr 2026

881 Helena Dr

5 bd · 5 ba · 3,190 sqft · built 2016 · 0.184 acres

Last Sale Tax Bill Prior Sale Owner Records
$960,000May 2005 $22,7432025 —Dec 2013 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

882 Helena Dr

4 bd · 2 ba · 2,153 sqft · built 1958 · 0.193 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,7192025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

883 Helena Dr

3 bd · 2 ba · 1,957 sqft · built 1958 · 0.197 acres

Last Sale Tax Bill Prior Sale Owner Records
$765,000Oct 2002 $14,1582025 2 Owners on Record Owner Occupied AssessorUpdated Oct 2025

884 Helena Dr

3 bd · 2 ba · 1,663 sqft · built 1958 · 0.181 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,9752025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

885 Helena Dr

4 bd · 2 ba · 1,918 sqft · built 1958 · 0.186 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,500,000May 2020 $32,0132025 —May 2016 3 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

886 Helena Dr

4 bd · 2 ba · 1,918 sqft · built 1958 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$440,000Oct 1993 $8,8272025 —Aug 2003 Owner on Record Owner Occupied AssessorUpdated Aug 2026

887 Helena Dr

3 bd · 2 ba · 1,512 sqft · built 1958 · 0.206 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,4422025 2 Owners on Record AssessorUpdated Aug 2026

888 Helena Dr

5 bd · 3 ba · 3,166 sqft · built 2024 · 0.226 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,598,000Dec 2013 $23,7082025 —Sep 2020 2 Owners on Record Owner Occupied Assessor + 9 DocumentsUpdated Oct 2025

889 Helena Dr

3 bd · 2 ba · 1,338 sqft · built 1958 · 0.192 acres

Last Sale Tax Bill Prior Sale Owner Records
$438,000Jul 1997 $8,2632025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

890 Helena Dr

4 bd · 2 ba · 1,768 sqft · built 1958 · 0.193 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2008 $1,4512025 —Jul 2004 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

891 Helena Dr

5 bd · 3 ba · 2,460 sqft · built 1958 · 0.188 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,130,000May 2005 $18,5932025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

892 Helena Dr

4 bd · 2 ba · 2,114 sqft · built 1958 · 0.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$339,000Mar 1994 $7,4992025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

893 Helena Dr

3 bd · 2 ba · 1,662 sqft · built 1958 · 0.198 acres

Last Sale Tax Bill Prior Sale Owner Records
$975,000Jun 2009 $14,8142025 —Nov 2011 Owner on Record Assessor + 3 DocumentsUpdated Oct 2025

894 Helena Dr

3 bd · 2 ba · 1,642 sqft · built 1958 · 0.191 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,955,000Sep 2023 $35,1882025 3 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

897 Helena Dr

4 bd · 2 ba · 1,570 sqft · built 1957 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,060,000Jun 2021 $38,5582025 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

941 Helena Dr

4 bd · 2 ba · 1,650 sqft · built 1957 · 0.258 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,064,000Feb 2006 $17,0412025 —May 2021 3 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

947 Helena Dr

6 bd · 6 ba · 5,150 sqft · built 2007 · 0.207 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2005 $24,2122025 —Oct 2009 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

951 Helena Dr

4 bd · 2.5 ba · 2,008 sqft · built 1961 · 0.207 acres

Last Sale Tax Bill Prior Sale Owner Records
$453,000Aug 1996 $8,8012025 —Aug 1996 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

955 Helena Dr

4 bd · 2.5 ba · 1,749 sqft · built 1961 · 0.188 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,600,000May 2021 $32,8482025 —May 2021 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

956 Helena Dr

4 bd · 2.5 ba · 1,728 sqft · built 1961 · 0.201 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,5782025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

959 Helena Dr

4 bd · 2.5 ba · 1,768 sqft · built 1961 · 0.185 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,9192025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

960 Helena Dr

5 bd · 4 ba · 2,161 sqft · built 1961 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,580,000Jun 2018 $35,8602025 —Feb 2003 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2025

961 Helena Dr

4 bd · 2.5 ba · 1,651 sqft · built 1961 · 0.185 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,3872025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

964 Helena Dr

4 bd · 3 ba · 1,768 sqft · built 1961 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,638,000Feb 2014 $23,4852025 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2025

965 Helena Dr

4 bd · 2.5 ba · 1,651 sqft · built 1961 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$383,500Jun 1993 $7,9332025 —Oct 2005 Owner on Record AssessorUpdated Aug 2026

968 Helena Dr

4 bd · 2.5 ba · 1,651 sqft · built 1961 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,322,000Feb 2019 $30,3392025 Amount on Record Jul 1998 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

969 Helena Dr

4 bd · 3 ba · 1,957 sqft · built 1961 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$940,000Nov 2006 $15,8372025 —Aug 2016 Owner on Record Owner Occupied AssessorUpdated Sep 2026

972 Helena Dr

4 bd · 3 ba · 1,768 sqft · built 1961 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$435,000Jan 1996 $8,5342025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

973 Helena Dr

6 bd · 3 ba · 2,414 sqft · built 1973 · 0.193 acres

Last Sale Tax Bill Prior Sale Owner Records
$960,000Jul 2001 $16,6252025 —Aug 2000 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

976 Helena Dr

3 bd · 2 ba · 1,544 sqft · built 1961 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$340,000Dec 1991 $7,2032025 Owner on Record AssessorUpdated Aug 2026

977 Helena Dr

3 bd · 2 ba · 1,392 sqft · built 1961 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$958,000Oct 2011 $14,2062025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

980 Helena Dr

4 bd · 2.5 ba · 1,651 sqft · built 1961 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$489,500Dec 1997 $9,2202025 —Jan 2013 Owner on Record Owner Occupied AssessorUpdated Aug 2026

985 Helena Dr

4 bd · 2.5 ba · 2,150 sqft · built 1961 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,500Nov 1988 $2,5002025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

986 Helena Dr

4 bd · 2.5 ba · 1,749 sqft · built 1961 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 1975 $2,0712025 2 Owners on Record AssessorUpdated Aug 2026

991 Helena Dr

4 bd · 2.5 ba · 1,749 sqft · built 1961 · 0.181 acres

Last Sale Tax Bill Prior Sale Owner Records
$405,000Jan 1995 $8,1222025 —Jul 1995 Owner on Record AssessorUpdated Aug 2026

992 Helena Dr

4 bd · 2.5 ba · 1,876 sqft · built 1961 · 0.183 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,320,000Aug 2020 $29,4202025 —Oct 2012 2 Owners on Record Assessor + 1 DocumentUpdated Aug 2026

999 Helena Dr

3 bd · 2 ba · 1,544 sqft · built 1961 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
$405,000Mar 1990 $8,7952025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

1009 Helena Dr

3 bd · 2 ba · 1,603 sqft · built 1956 · 0.186 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2004 $1,4362025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

1015 Helena Dr

4 bd · 2 ba · 1,889 sqft · built 1959 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,215,000Jun 2005 $19,8282025 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

1021 Helena Dr

4 bd · 2 ba · 1,915 sqft · built 1959 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
$540,500Aug 1997 $10,2482025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

1028 Helena Dr

4 bd · 2 ba · 1,890 sqft · built 1958 · 0.266 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Jan 1990 $8,8812025 —Aug 1998 Owner on Record AssessorUpdated Aug 2026

1029 Helena Dr

4 bd · 2 ba · 1,889 sqft · built 1959 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,4862025 —Aug 2016 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

1033 Helena Dr

4 bd · 2 ba · 1,889 sqft · built 1959 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,170,000Feb 2006 $18,7272025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

1034 Helena Dr

4 bd · 2 ba · 1,770 sqft · built 1958 · 0.233 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,333,500Aug 2023 $39,7582025 —Aug 2019 3 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Oct 2025

1037 Helena Dr

4 bd · 2 ba · 1,889 sqft · built 1959 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,030,000Apr 2005 $4,6632025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2025

1069 Helena Dr

4 bd · 2 ba · 1,889 sqft · built 1958 · 0.283 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,4332025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

1073 Helena Dr

4 bd · 2 ba · 1,889 sqft · built 1958 · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,5212025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

1077 Helena Dr

4 bd · 5 ba · 2,225 sqft · built 1958 · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,985,000Jul 2017 $34,6282025 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2025

1081 Helena Dr

4 bd · 2 ba · 1,889 sqft · built 1958 · 0.28 acres

Last Sale Tax Bill Prior Sale Owner Records
$770,000May 2002 $13,3602025 —Sep 2010 Owner on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

1085 Helena Dr

3 bd · 2 ba · 1,603 sqft · built 1956 · 0.29 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,5692025 Owner on Record Owner Occupied AssessorUpdated Aug 2026

Property Records in Nearby Streets