10230 Johnson Ave, Cupertino, CA 95014 Property Records

Santa Clara County property record for 10230 Johnson Ave, Cupertino, CA 95014

Property Summary

Property Type	Single Family Home
Details	5 bd · 4 ba · 2,575 sqft · built 1954
Lot Size	0.117 acres (5,100 sqft)
Owner	Individual Name on Record
Last Sale	$1,310,000 (Sep 2014)
Tax Bill	$19,498 (2025)
Deeds & Mortgages	Apr 2021 Mortgage Jul 2019 Mortgage
Flood Zone	Zone D (undetermined)
APN	`375-25-063`

Property Details

APN / Parcel Number

Primary APN	`375-25-063`

Interior

Bedrooms	5 Beds
Full Baths	4 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	2,575 sqft Living Area
1st Floor Area	990 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1975
Architectural Style	Other
Construction Type	Wood
Lot Area	5,100 sqft (0.117 acres)
Lot Dimensions	100 ft deep x 51 ft wide
Garage Area	299 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	HVAC

Location & Zoning

Street Address	10230 JOHNSON AVE
City	CUPERTINO
State	CA
Zip	95014-3812
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	TR 1183 LOT 85
Legal Subdivision	1183
Legal Tract	1183
Legal Lot Number	85
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	3
Census Block	3009
Census Tract	508004

Owner

Source: Santa Clara County records, as of October 20, 2025

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Co-owner	Co-owner on Record
Mailing Address	10230 JOHNSON AVE, CUPERTINO, CA 95014-3812
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Apr 9, 2021	Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA NA
Jul 18, 2019	Deed of Trust, Mortgage BANK OF AMERICA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 19, 2014 · Amount on Record
Deed Sale	Sep 19, 2014 · Amount on Record
Prior Sale	Sep 18, 2014
Deed Document Number	22711320
Record Updated	Jun 8, 2026

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	10230 JOHNSON AVE, CUPERTINO, CA 95014-3812
Transaction Type	Mortgage
Record Updated	Jun 8, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	10230 JOHNSON AVE, CUPERTINO, CA 95014-3812

Mortgage

Document Number	0024913708
Date	Apr 9, 2021
Instrument	24913708

Lender

Name	BANK OF AMERICA NA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.37%
Type Change Date	May 1, 2026
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	7.37%
Index	1-Year LIBOR
Max Rate	7.37%

July 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	10230 JOHNSON AVE, CUPERTINO, CA 95014-3812
Document Number	0024240569
Instrument Date	Jul 18, 2019
Transaction Type	Mortgage
Record Updated	Aug 6, 2019
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	10230 JOHNSON AVE CUPERTINO CA 950143812, CUPERTINO, CA 95014-3812

Mortgage

Document Number	0024240569
Date	Jul 29, 2019
Instrument	24240569

Lender

Name	BANK OF AMERICA
Type	Bank
Address	101 S TRYON ST, CHARLOTTE, NC 28280-0002

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jul 28, 2049

Interest

Rate Type	Adjustable Rate
Rate	2.75%

Tax Assessment & Valuation

Source: Santa Clara County assessment roll, as of July 1, 2025

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
2025	$19,498.00 (+4.04%)	$1,574,416 (+4.04%) Land $1,141,754 Building $432,662
2023	$18,741.00 (+1.01%)	$1,513,281 Land $1,097,419 Building $415,862
2022	$18,553.00

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

Flood

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

FEMA Flood Zone	Zone D undetermined · not studied
Flood Insurance Requirement	Not required lenders may require it

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

Wildfire

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

Wildfire Risk	Not rated no burnable land within 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	SAN JOSE WATER private · serves 1,039,920 people · EPA ID CA4310011
Water Source	Surface water
Last State Inspection	Mar 2026
Lead	Under 1 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Treatment failure resolved · Jun 2023
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 601 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.

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