Santa Clara County property record for 10154 Colby Ave, Cupertino, CA 95014
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,548 sqft · built 1959 |
| Lot Size | 0.169 acres (7,373 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $830,000 (Aug 2004) |
| Tax Bill | $14,567 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 316-28-032 |
| Primary APN | 316-28-032 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,548 sqft Living Area |
| Gross Area | 1,408 sqft |
| 1st Floor Area | 1,408 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 7,373 sqft (0.169 acres) |
| Lot Dimensions | 101 ft deep x 73 ft wide |
| Garage Area | 462 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Type | Pool with Hot Tub/Spa |
| Pool Area | 3,136 sqft |
| Porch | Porch |
| Heating System | HVAC |
|---|
| Street Address | 10154 COLBY AVE |
|---|---|
| City | CUPERTINO |
| State | CA |
| Zip | 95014-2420 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 2086 IDLEWILD GREENS BOOK 112 PAGE 40 PAGE 41 LOT 32 |
| Legal Subdivision | IDLEWILD GREENS |
| Legal Tract | 2086 |
| Legal Lot Number | 32 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 508101 |
Source: Santa Clara County records, as of July 27, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 10154 COLBY AVE, CUPERTINO, CA 95014-2420 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 3, 2004 · Amount on Record |
| Deed Sale | Aug 3, 2004 · Amount on Record |
| Prior Sale | Apr 28, 1997 · Amount on Record |
| Deed Document Number | 200417931610 |
| Prior Transfer Date | Oct 22, 2001 |
| Prior Transfer Doc | 0015926392 |
| Record Updated | Oct 29, 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 | $1,180,073 (+2%) Land $885,060 Building $295,013 | |
| 2025 | $14,567.00 (+3.82%) | $1,156,935 (+4.04%) Land $867,706 Building $289,229 |
| 2023 | $14,031.00 (+0.43%) | $1,112,012 Land $834,013 Building $277,999 |
| 2022 | $13,971.00 |
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 X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| 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 | CWSC LOS ALTOS SUBURBAN private · serves 63,559 people · EPA ID CA4310001 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Aug 2024 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| 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 654 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| Ridge Wireless Fixed Wireless | 100 / 60 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: GeoLinks, T-Mobile.
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