Santa Clara County property record for 21050 Rainbow Dr, Cupertino, CA 95014
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,993 sqft · built 1988 |
| Lot Size | 0.138 acres (6,020 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $12,852 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 366-26-024 |
| Primary APN | 366-26-024 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,993 sqft Living Area |
| 1st Floor Area | 1,589 sqft |
| 2nd Floor Area | 1,404 sqft |
| Family Room | Family Room |
| Utility Room | Utility Room |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | H-Shape |
| Construction Type | Wood |
| Lot Area | 6,020 sqft (0.138 acres) |
| Lot Dimensions | 70 ft deep x 86 ft wide |
| Garage Area | 466 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Heating System | HVAC |
|---|
| Street Address | 21050 RAINBOW DR |
|---|---|
| City | CUPERTINO |
| State | CA |
| Zip | 95014-5210 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | LOT 2 |
| Legal Lot Number | 2 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 507808 |
21050 Rainbow Dr is owner-occupied and held in a trust since January 1996.
Source: Santa Clara County records, as of July 27, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 21050 RAINBOW DR, CUPERTINO, CA 95014-5210 |
| 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.
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jan 18, 1996 |
| Transfer Doc | 0013195835 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 21050 Rainbow Dr was $12,852 with a homeowner's exemption.
Source: Santa Clara County assessment roll, as of July 27, 2026
| 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,046,651 (+2%) Land $440,232 Building $606,419 | |
| 2025 | $12,852.00 Homeowner's exemption | $1,026,129 Land $431,600 Building $594,529 |
| 2023 | $12,370.00 (+2.31%) Homeowner's exemption | $986,286 Land $414,842 Building $571,444 |
| 2022 | $12,091.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 21050 Rainbow Dr in Zone X, an area of minimal flood risk.
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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 2 in force |
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 risk around 21050 Rainbow Dr is low, with 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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 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.
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 |
| 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.
Source: FCC Broadband Data Collection, based on 822 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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