21330 Rainbow Dr, Cupertino, CA 95014 Property Records

Santa Clara County property record for 21330 Rainbow Dr, Cupertino, CA 95014

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 2,674 sqft · built 1988
Lot Size	0.22 acres (9,600 sqft)
Owner	Trust Name on File
Tax Bill	$11,249 (2025)
Deeds & Mortgages	Sep 2019 Mortgage Apr 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`366-51-009`

Property Details

APN / Parcel Number

Primary APN	`366-51-009`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	2,674 sqft Living Area
1st Floor Area	1,356 sqft
2nd Floor Area	1,318 sqft
Family Room	Family Room
Utility Room	Utility Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1988
Effective Year Built	Effective 1988
Architectural Style	L-Shape
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Wood Shingle
Lot Area	9,600 sqft (0.22 acres)
Lot Dimensions	132 ft deep x 85 ft wide
Garage Area	686 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	21330 RAINBOW DR
City	CUPERTINO
State	CA
Zip	95014-4978
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	CU
Legal Description	TRACT 7907 BOOK 572 PAGE 49 PAGE 51 LOT 11
Legal Subdivision	MAP OF TRACT NO 7907
Legal Tract	7907
Legal Lot Number	11
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	3
Census Block	3012
Census Tract	507702

Owner

21330 Rainbow Dr is owner-occupied and held in a trust since December 2005.

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

Owner of Record	Trust Name on File
Mailing Address	21330 RAINBOW DR, CUPERTINO, CA 95014-4978
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

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

Deeds, Mortgages & Sale History

Date	Document
Sep 30, 2019	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Apr 13, 2020	Deed of Trust, Mortgage · Conventional Mortgage CATHAY BK

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Dec 28, 2005
Transfer Doc	0018747126
Record Updated	Sep 20, 2026

September 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	21330 RAINBOW DR, CUPERTINO, CA 95014-4978
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	ORANGE COAST TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0024292552
Date	Sep 30, 2019
Instrument	24292552

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2049

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	21330 RAINBOW DR, CUPERTINO, CA 95014-4978
Document Number	0024460070
Instrument Date	Apr 13, 2020
Transaction Type	Mortgage
Record Updated	May 14, 2020
Title Company	LAWYERS TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	21330 RAINBOW DR CUPERTINO CA 950144978, CUPERTINO, CA 95014-4978

Mortgage

Document Number	0024460070
Date	Apr 21, 2020
Instrument	24460070

Lender

Name	CATHAY BK
Type	Bank
Address	EL MONTE, CA 91731

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Apr 20, 2050

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 21330 Rainbow Dr was $11,249 with a homeowner's exemption.

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		$896,272 (+2%) Land $341,657 Building $554,615
2025	$11,249.00 Homeowner's exemption	$878,699 Land $334,958 Building $543,741
2023	$10,823.00 (-0.06%) Homeowner's exemption	$844,580 Land $321,952 Building $522,628
2022	$10,830.00

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

Flood

FEMA maps place 21330 Rainbow Dr in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1983.

Source: FEMA National Flood Hazard Layer, effective January 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	2 (1983)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Mar 1983 · Coastal Storms, Floods, Slides & Tornadoes
Claims by Event	Coastal Storms, Floods, Slides & Tornadoes, Mar 1983 · 2 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 21330 Rainbow Dr is low, with a 0.04% annual chance of wildfire.

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

Wildfire Risk	Low lower than 66% of the US · lower than 80% of California
Wildfire Likelihood	0.04% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 363 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
AT&T DSL	100 / 20

May also be available: Ridge Wireless.

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