10240 Bubb Rd, Cupertino, CA 95014 Property Records

Santa Clara County property record for 10240 Bubb Rd, Cupertino, CA 95014

Property Summary

Property Type	R&D Facility, Laboratory
Details	30,000 sqft · built 1969
Lot Size	1.64 acres (71,820 sqft)
Owner	Company Name on File
Last Sale	$3,203,500 (May 2003)
Tax Bill	$42,229 (2025)
Deeds & Mortgages	Jan 2019 Transfer Jan 2019 Transfer + 14 more
Flood Zone	Zone X (moderate risk)
APN	`357-20-022`

Property Details

APN / Parcel Number

Primary APN	`357-20-022`

Interior

Stories	1 Story
Building Area	30,000 sqft Total Area
1st Floor Area	30,000 sqft
Fire Sprinklers	Fire Sprinklers
Elevator	Elevator

Exterior

Year Built	Built 1969
Effective Year Built	Effective 1969
Architectural Style	Custom Design
Construction Type	Concrete
Fire Resistance	Masonry Walls, Wood Interior
Lot Area	71,820 sqft

Utilities, Heating & Cooling

Cooling System	HVAC

Location & Zoning

Street Address	10240 BUBB RD
City	CUPERTINO
State	CA
Zip	95014-4166
Property Category	Industrial
Property Type	Industrial > R&D Facility, Laboratory
Local Zoning Code	ML
Legal Description	LOT A
Legal Lot Number	A
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	3
Census Block	3007
Census Tract	507701

Owner

10240 Bubb Rd, an industrial property, is owned by a company that bought it in May 2003.

Source: Santa Clara County records, as of July 27, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Company Name on File
Mailing Address	101 CHURCH ST, 12, LOS GATOS, CA 95030-6927
Owner Type	Company

Deeds, Mortgages & Sale History

Date	Document
Jan 25, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY
Jan 25, 2019	Correction Deed, Transfer ATTORNEY ONLY
Jan 25, 2019	Correction Deed, Transfer ATTORNEY ONLY
Jan 25, 2019	Correction Deed, Transfer ATTORNEY ONLY
Jan 25, 2019	Correction Deed, Transfer ATTORNEY ONLY
Jan 25, 2019	Correction Deed, Transfer ATTORNEY ONLY
Jan 25, 2019	Correction Deed, Transfer ATTORNEY ONLY
Jan 25, 2019	Correction Deed, Transfer ATTORNEY ONLY
Jan 25, 2019	Correction Deed, Transfer ATTORNEY ONLY
Jan 25, 2019	Correction Deed, Transfer ATTORNEY ONLY
Jan 25, 2019	Correction Deed, Transfer ATTORNEY ONLY
Jan 25, 2019	Affidavit of Death, Transfer ATTORNEY ONLY
Jan 25, 2019	Correction Deed, Transfer ATTORNEY ONLY
Jan 25, 2019	Correction Deed, Transfer ATTORNEY ONLY
Jan 25, 2019	Correction Deed, Transfer ATTORNEY ONLY
Jan 25, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 9, 2003 · Amount on File
Deed Sale	May 9, 2003 · Amount on File
Deed Document Number	200317027732
Prior Transfer Date	Mar 22, 1990
Prior Transfer Doc	0012403097
Record Updated	Oct 29, 2026

January 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jan 25, 2019
Property Address	10240 BUBB RD, CUPERTINO, CA 95014-4166
Document Number	0024103549
Instrument Date	Jan 19, 2019
Instrument	24103549
Transaction Type	Transfer
Record Updated	Feb 4, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	10240 BUBB RD CUPERTINO CA 950144166, CUPERTINO, CA 95014-4166

January 2019: Correction Deed, Transfer

Document Type	Correction Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jan 25, 2019
Property Address	10240 BUBB RD, CUPERTINO, CA 95014-4166
Document Number	0024103566
Instrument Date	Jan 17, 2019
Instrument	24103566
Transaction Type	Transfer
Record Updated	May 11, 2021
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	10240 BUBB RD CUPERTINO CA 950144166, CUPERTINO, CA 95014-4166

January 2019: Correction Deed, Transfer

Document Type	Correction Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jan 25, 2019
Property Address	10240 BUBB RD, CUPERTINO, CA 95014-4166
Document Number	0024103567
Instrument Date	Jan 17, 2019
Instrument	24103567
Transaction Type	Transfer
Record Updated	May 11, 2021
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	101 CHURCH ST #12 LOS GATOS CA 950306927, 12, LOS GATOS, CA 95030-6927

January 2019: Correction Deed, Transfer

Document Type	Correction Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jan 25, 2019
Property Address	10240 BUBB RD, CUPERTINO, CA 95014-4166
Document Number	0024103569
Instrument Date	Jan 14, 2019
Instrument	24103569
Transaction Type	Transfer
Record Updated	May 11, 2021
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	101 CHURCH ST #12 LOS GATOS CA 950306927, 12, LOS GATOS, CA 95030-6927

January 2019: Correction Deed, Transfer

Document Type	Correction Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jan 25, 2019
Property Address	10240 BUBB RD, CUPERTINO, CA 95014-4166
Document Number	0024103565
Instrument Date	Jan 13, 2019
Instrument	24103565
Transaction Type	Transfer
Record Updated	May 11, 2021
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Arm's Length Partial Interest

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	10240 BUBB RD CUPERTINO CA 950144166, CUPERTINO, CA 95014-4166

January 2019: Correction Deed, Transfer

Document Type	Correction Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jan 25, 2019
Property Address	10240 BUBB RD, CUPERTINO, CA 95014-4166
Document Number	0024103571
Instrument Date	Jan 13, 2019
Instrument	24103571
Transaction Type	Transfer
Record Updated	May 11, 2021
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Partial Interest

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	10240 BUBB RD CUPERTINO CA 950144166, CUPERTINO, CA 95014-4166

January 2019: Correction Deed, Transfer

Document Type	Correction Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jan 25, 2019
Property Address	10240 BUBB RD, CUPERTINO, CA 95014-4166
Document Number	0024103568
Instrument Date	Jan 13, 2019
Instrument	24103568
Transaction Type	Transfer
Record Updated	May 11, 2021
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Partial Interest

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	101 CHURCH ST #12 LOS GATOS CA 950306927, 12, LOS GATOS, CA 95030-6927

January 2019: Correction Deed, Transfer

Document Type	Correction Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jan 25, 2019
Property Address	10240 BUBB RD, CUPERTINO, CA 95014-4166
Document Number	0024103570
Instrument Date	Jan 13, 2019
Instrument	24103570
Transaction Type	Transfer
Record Updated	May 11, 2021
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	10240 BUBB RD CUPERTINO CA 950144166, CUPERTINO, CA 95014-4166

January 2019: Correction Deed, Transfer

Document Type	Correction Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jan 25, 2019
Property Address	10240 BUBB RD, CUPERTINO, CA 95014-4166
Document Number	0024103555
Instrument Date	Jan 12, 2019
Instrument	24103555
Transaction Type	Transfer
Record Updated	May 11, 2021
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Intrafamily Transfer Partial Interest

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	101 CHURCH ST #12 LOS GATOS CA 950306927, 12, LOS GATOS, CA 95030-6927

January 2019: Correction Deed, Transfer

Document Type	Correction Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jan 25, 2019
Property Address	10240 BUBB RD, CUPERTINO, CA 95014-4166
Document Number	0024103554
Instrument Date	Jan 10, 2019
Instrument	24103554
Transaction Type	Transfer
Record Updated	May 11, 2021
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	101 CHURCH ST #12 LOS GATOS CA 950306927, 12, LOS GATOS, CA 95030-6927

January 2019: Correction Deed, Transfer

Document Type	Correction Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jan 25, 2019
Property Address	10240 BUBB RD, CUPERTINO, CA 95014-4166
Document Number	0024103550
Instrument Date	Jan 10, 2019
Instrument	24103550
Transaction Type	Transfer
Record Updated	May 11, 2021
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	10240 BUBB RD CUPERTINO CA 950144166, CUPERTINO, CA 95014-4166

January 2019: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	SANTA CLARA CA
Recording Date	Jan 25, 2019
Property Address	10240 BUBB RD, CUPERTINO, CA 95014-4166
Document Number	0024103547
Instrument Date	Jan 9, 2019
Instrument	24103547
Transaction Type	Transfer
Record Updated	Feb 4, 2019
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	101 CHURCH ST #12 LOS GATOS CA 950306927, 12, LOS GATOS, CA 95030-6927

January 2019: Correction Deed, Transfer

Document Type	Correction Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jan 25, 2019
Property Address	10240 BUBB RD, CUPERTINO, CA 95014-4166
Document Number	0024103552
Instrument Date	Jan 9, 2019
Instrument	24103552
Transaction Type	Transfer
Record Updated	May 11, 2021
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Arm's Length Partial Interest

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	101 CHURCH ST #12 LOS GATOS CA 950306927, 12, LOS GATOS, CA 95030-6927

January 2019: Correction Deed, Transfer

Document Type	Correction Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jan 25, 2019
Property Address	10240 BUBB RD, CUPERTINO, CA 95014-4166
Document Number	0024103553
Instrument Date	Jan 9, 2019
Instrument	24103553
Transaction Type	Transfer
Record Updated	May 11, 2021
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Arm's Length Partial Interest

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	10240 BUBB RD CUPERTINO CA 950144166, CUPERTINO, CA 95014-4166

January 2019: Correction Deed, Transfer

Document Type	Correction Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jan 25, 2019
Property Address	10240 BUBB RD, CUPERTINO, CA 95014-4166
Document Number	0024103551
Instrument Date	Jan 9, 2019
Instrument	24103551
Transaction Type	Transfer
Record Updated	May 11, 2021
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	10240 BUBB RD CUPERTINO CA 950144166, CUPERTINO, CA 95014-4166

January 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jan 25, 2019
Property Address	10240 BUBB RD, CUPERTINO, CA 95014-4166
Document Number	0024103548
Instrument Date	Jan 9, 2017
Instrument	24103548
Transaction Type	Transfer
Record Updated	Feb 4, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer Partial Interest

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	101 CHURCH ST #12 LOS GATOS CA 950306927, 12, LOS GATOS, CA 95030-6927

Tax Assessment & Valuation

The 2025 property tax bill for 10240 Bubb Rd was $42,229, up 4.7% from the year before.

Source: Santa Clara County assessment roll, as of July 27, 2026

Property Jurisdictions

Type	Name
State	California
County	Santa Clara County
Municipality	Cupertino City
Elementary School District	Cupertino Union Elementary School District (KG - 08)
Secondary School District	Fremont Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$3,185,923 (+2%) Land $504,768 Building $2,681,155
2025	$42,229.00 (+4.72%)	$3,123,455 Land $494,871 Building $2,628,584
2024	$40,327.00 (%)
2023	$40,329.00 (+1.18%)	$3,002,169 Land $475,655 Building $2,526,514
2022	$39,857.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 10240 Bubb Rd in Zone X, an area of moderate flood risk.

Source: FEMA National Flood Hazard Layer, effective January 18, 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 10240 Bubb Rd is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 95% of the US · lower than 97% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF CUPERTINO serves 16,336 people · EPA ID CA4310018
Water Source	Purchased surface water from several systems
Last State Inspection	Feb 2025
Lead	Under 1 ppb (2020–2022) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 442 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 2,000
Verizon Fixed Wireless	1,000 / 75
Etheric Networks Fixed Wireless	250 / 100
Ridge Wireless Fixed Wireless	100 / 60
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Sail Internet.

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