Santa Clara County property record for 21640 Rainbow Ct, Cupertino, CA 95014
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 3,340 sqft · built 1981 |
| Lot Size | 0.568 acres (24,750 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,037,500 (Oct 1996) |
| Tax Bill | $21,684 (2025) |
| Deeds & Mortgages | Oct 2020 Mortgage Feb 2020 Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 366-38-008 |
| Primary APN | 366-38-008 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 3,340 sqft Living Area |
| 1st Floor Area | 3,340 sqft |
| Family Room | Family Room |
| Fireplaces | 3 Fireplaces |
| Fireplace | Fireplace |
| Year Built | Built 1981 |
|---|---|
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 24,750 sqft (0.568 acres) |
| Lot Dimensions | 165 ft deep x 150 ft wide |
| Garage Area | 907 sqft |
| Parking Spaces | 4 Parking Spaces |
| Pool Type | Pool with Hot Tub/Spa |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Street Address | 21640 RAINBOW CT |
|---|---|
| City | CUPERTINO |
| State | CA |
| Zip | 95014-4829 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TR 5990 LOT 11 |
| Legal Subdivision | RAINBOW'S END |
| Legal Tract | 5990 |
| Legal Lot Number | 11 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 507702 |
Source: Santa Clara County records · APN 366-38-008
Assessment roll updated July 1, 2025 · Last verified October 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Trust Names on File |
|---|---|
| Co-owner | Verified Secondary Owner |
| Mailing Address | 21640 RAINBOW CT, CUPERTINO, CA 95014-4829 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Trust |
| Date | Document |
|---|---|
| Oct 02, 2020 | Intrafamily Transfer, Transfer · Conventional Mortgage QUICKEN LOANS LLC |
| Feb 25, 2020 | Quit Claim Deed, Transfer QUICKEN LNS |
| Deed Names | 3 Verified Names on Deed |
|---|---|
| Last Sale | Oct 23, 1996 · Amount on Record |
| Deed Sale | Oct 23, 1996 · Amount on Record |
| Prior Sale | Feb 25, 2020 |
| Deed Document Number | 0013492334 |
| Deed Book / Page | 366 |
| Last Transfer Date | Oct 02, 2020 |
| Transfer Doc | 0024640181 |
| Record Updated | Jun 08, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Recording Date | Oct 02, 2020 |
| Property Address | 21640 RAINBOW CT, CUPERTINO, CA 95014-4829 |
| Document Number | 0024640181 |
| Map Reference | MB 442 PG 12&13 |
| Instrument Date | Aug 22, 2020 |
| Instrument | 24640181 |
| Transaction Type | Transfer |
| Record Updated | Sep 01, 2021 |
| Title Company | AMROCK |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 21640 RAINBOW CT, CUPERTINO, CA 95014-4829 |
| Document Number | 0024640182 |
|---|---|
| Date | Oct 02, 2020 |
| Instrument | 24640182 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Sep 01, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.5% |
| Type Change Date | Sep 01, 2030 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 7.5% |
| Index | 1-Year LIBOR |
| Max Rate | 7.5% |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Recording Date | Feb 25, 2020 |
| Property Address | 21640 RAINBOW CT, CUPERTINO, CA 95014-4829 |
| Document Number | 0024413159 |
| Instrument Date | Feb 06, 2020 |
| Instrument | 24413159 |
| Transaction Type | Transfer |
| Record Updated | Mar 12, 2020 |
| Title Company | AMROCK INC |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 21640 RAINBOW CT CUPERTINO CA 950144829, CUPERTINO, CA 95014-4829 |
| Document Number | 24413160 |
|---|---|
| Date | Feb 25, 2020 |
| Instrument | 24413160 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | Feb 24, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.25% |
Source: Santa Clara County records · Assessment roll updated July 1, 2025 · Last verified October 2025
| 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $21,684.00 (+3.75%) Homeowner's exemption | $1,769,604 (+4.04%) Land $651,475 Building $1,118,129 |
| 2023 | $20,900.00 (+1.01%) Homeowner's exemption | $1,700,889 Land $626,178 Building $1,074,711 |
| 2022 | $20,691.00 |
Source: FEMA National Flood Hazard Layer as of January 18, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 |
| 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 |
|
| Wildfire Risk | Moderate above 45% of the US · lower than 73% of California |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
| AT&T DSL | 100 / 20 |
May also be available: Ridge Wireless.
Based on FCC filings for 363 locations within half a mile of this property.
5G (outdoors only) and 4G LTE
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | SAN JOSE WATER private · serves 1,039,920 people |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Mar 2026 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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