Santa Clara County property record for 10340 Johnson Ave, Cupertino, CA 95014
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,048 sqft · built 1954 |
| Lot Size | 0.131 acres (5,700 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $187,000 (Oct 1994) |
| Tax Bill | $4,680 (2025) |
| Flood Zone | Zone D (undetermined) |
| APN | 375-25-052 |
| Primary APN | 375-25-052 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,048 sqft Living Area |
| 1st Floor Area | 1,048 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1954 |
| Architectural Style | L-Shape |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Material | Tar & Gravel |
| Lot Area | 5,700 sqft (0.131 acres) |
| Lot Dimensions | 100 ft deep x 57 ft wide |
| Garage Type | Carport |
| Garage Area | 264 sqft |
| Carport | Carport |
| Carport Area | 264 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | None |
| Heating System | HVAC |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 10340 JOHNSON AVE |
|---|---|
| City | CUPERTINO |
| State | CA |
| Zip | 95014-3871 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 1183 BOOK 44 PAGE 11 PAGE 13 LOT 96 |
| Legal Tract | 1183 |
| Legal Lot Number | 96 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 508004 |
10340 Johnson Ave is owned and occupied by two individuals who bought it in October 1994.
Source: Santa Clara County records, as of July 27, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 10340 JOHNSON AVE, CUPERTINO, CA 95014-3871 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Oct 28, 1994 · Amount on File |
| Deed Sale | Oct 28, 1994 · Amount on File |
| Deed Document Number | 199412702235 |
| Deed Book / Page | 649 / 35 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 10340 Johnson Ave was $4,680 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 | $320,358 (+2%) Land $256,982 Building $63,376 | |
| 2025 | $4,680.00 Homeowner's exemption | $314,078 Land $251,944 Building $62,134 |
| 2023 | $4,422.00 (+3.15%) Homeowner's exemption | $301,883 Land $242,161 Building $59,722 |
| 2022 | $4,287.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 10340 Johnson Ave in Zone D, where flood risk has not been studied.
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.
The area around 10340 Johnson Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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.
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 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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