Santa Clara County property record for 10850 Johnson Ave, Cupertino, CA 95014
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4 ba · 2,224 sqft · built 2005 |
| Lot Size | 0.15 acres (6,549 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,115,000 (Mar 2011) |
| Tax Bill | $17,810 (2025) |
| Flood Zone | Zone D (undetermined) |
| APN | 375-30-023 |
| Primary APN | 375-30-023 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,224 sqft Living Area |
| 1st Floor Area | 2,224 sqft |
| Family Room | Family Room |
| Utility Room | Utility Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2005 |
|---|---|
| Effective Year Built | Effective 2005 |
| Architectural Style | Custom Design |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Material | Tar & Gravel |
| Lot Area | 6,549 sqft (0.15 acres) |
| Lot Dimensions | 111 ft deep x 59 ft wide |
| Garage Area | 430 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 10850 JOHNSON AVE |
|---|---|
| City | CUPERTINO |
| State | CA |
| Zip | 95014-3820 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 1287 BOOK 48 PAGE 46 PAGE 47 LOT 157 |
| Legal Tract | 1287 |
| Legal Lot Number | 157 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 3 |
| Census Block | 3023 |
| Census Tract | 508004 |
Source: Santa Clara County records, as of August 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 10850 JOHNSON AVE, CUPERTINO, CA 95014-3820 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 24, 2011 · Amount on Record |
| Deed Sale | Mar 24, 2011 · Amount on Record |
| Prior Sale | Oct 26, 2005 · Amount on Record |
| Deed Document Number | 201120397 |
| Last Transfer Date | Dec 10, 2011 |
| Transfer Doc | 0021470362 |
| Record Updated | Sep 20, 2026 |
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 | $1,457,072 (+2%) Land $980,095 Building $476,977 | |
| 2025 | $17,810.00 (+4.08%) | $1,428,503 (+4.04%) Land $960,878 Building $467,625 |
| 2023 | $17,112.00 (+0.91%) | $1,373,034 Land $923,567 Building $449,467 |
| 2022 | $16,958.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
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 795 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless 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 |
May also be available: GeoLinks, Sail Internet, T-Mobile.
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