Clay St, Cupertino, CA Property Records

Santa Clara County property records for 18 addresses on Clay St, Cupertino, CA · Last verified August 2026

Clay St Highlights

Properties 18
Median Sale Price $1,649,000
Deeds and Mortgages on File 30
Median Price per Sqft $673
Owner Occupied 89%
Median Annual Tax Bill $16,878
Median Year Built 1965
Median Ownership Tenure 19 years

Properties on Clay St

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

20278 Clay St

6 bd · 3 ba · 2,743 sqft · built 1965 · 0.223 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,090,000Aug 2009 $17,5072025 —Jul 2021 3 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2025

20298 Clay St

4 bd · 2 ba · 1,838 sqft · built 1965 · 0.182 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,600,000Mar 2014 $23,8472025 —Dec 2025 2 Names on Record Owner Occupied Assessor + 7 DocumentsUpdated Aug 2026

20318 Clay St

5 bd · 4 ba · 2,706 sqft · built 1965 · 0.191 acres

Last Sale Tax Bill Prior Sale Owner Records
$810,000Jan 2004 $16,8782025 —Apr 2018 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Aug 2026

20327 Clay St

5 bd · 2 ba · 2,029 sqft · built 1965 · 0.255 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,198,000Mar 2006 $19,9882025 Amount on Record Aug 1997 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

20337 Clay St

5 bd · 2 ba · 2,029 sqft · built 1965 · 0.257 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,220,000Apr 2025 $2,3022025 —May 2020 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

20338 Clay St

5 bd · 2 ba · 2,029 sqft · built 1965 · 0.186 acres

Last Sale Tax Bill Prior Sale Owner Records
$375,000Sep 1995 $12,6862025 —Nov 2004 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

20347 Clay St

4 bd · 2 ba · 2,108 sqft · built 1965 · 0.257 acres

Last Sale Tax Bill Prior Sale Owner Records
$399,000May 1988 $10,3552025 —Jan 2002 2 Names on Record AssessorUpdated Aug 2026

20348 Clay St

4 bd · 2 ba · 2,099 sqft · built 1965 · 0.16 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Jun 2015 $5,0912025 Amount on Record Jul 2012 2 Names on Record Owner Occupied AssessorUpdated Oct 2025

20357 Clay St

4 bd · 4 ba · 2,566 sqft · built 2000 · 0.258 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,330,000Jun 2004 $22,5432025 1 Name on Record Owner Occupied AssessorUpdated Oct 2025

20358 Clay St

5 bd · 2 ba · 2,029 sqft · built 1965 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
$410,000Sep 1992 $9,1972025 —Jun 2010 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

20367 Clay St

5 bd · 2 ba · 2,029 sqft · built 1965 · 0.198 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,1822025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

20368 Clay St

5 bd · 2 ba · 2,216 sqft · built 1965 · 0.171 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2002 $7,1322025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

20377 Clay St

4 bd · 2 ba · 2,187 sqft · built 1965 · 0.261 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,2042025 —Apr 2013 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

20378 Clay St

4 bd · 2 ba · 1,961 sqft · built 1965 · 0.195 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,189,000Mar 2007 $20,0162025 —Mar 2004 2 Names on Record Owner Occupied AssessorUpdated Oct 2025

20387 Clay St

5 bd · 4 ba · 3,132 sqft · built 1965 · 0.216 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,110,000Aug 2017 $34,2322025 —Jul 2013 2 Names on Record Assessor + 5 DocumentsUpdated Oct 2025

20388 Clay St

5 bd · 3 ba · 2,738 sqft · built 1965 · 0.282 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,025,000Dec 2016 $31,4472025 —Apr 1994 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

20398 Clay St

3 bd · 2 ba · 1,798 sqft · built 1965 · 0.192 acres

Last Sale Tax Bill Prior Sale Owner Records
$365,000Apr 1996 $8,0912025 —May 2017 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

20408 Clay St

5 bd · 4 ba · 2,838 sqft · built 1965 · 0.22 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,649,000Jun 2014 $24,6272025 3 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2025

Wildfire Risk on Clay St

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

Property Records in Nearby Streets