Santa Clara County property record for 10298 Cold Harbor Ave, Cupertino, CA 95014
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,002 sqft · built 1968 |
| Lot Size | 0.172 acres (7,490 sqft) |
| Owner | Trust Name on File |
| Last Sale | $657,500 (Sep 1999) |
| Tax Bill | $12,783 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 369-09-032 |
| Primary APN | 369-09-032 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,002 sqft Living Area |
| 1st Floor Area | 2,002 sqft |
| Family Room | Family Room |
| Utility Room | Utility Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1968 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 7,490 sqft (0.172 acres) |
| Lot Dimensions | 107 ft deep x 70 ft wide |
| Garage Area | 572 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Heating System | HVAC |
|---|
| Street Address | 10298 COLD HARBOR AVE |
|---|---|
| City | CUPERTINO |
| State | CA |
| Zip | 95014-3328 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 4334 WILLISTON PARK BOOK 226 PAGE 2 PAGE 3 LOT 30 |
| Legal Subdivision | WILLISTON PARK |
| Legal Tract | 4334 |
| Legal Lot Number | 30 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 508006 |
10298 Cold Harbor Ave is owner-occupied and held in a trust since August 2016.
Source: Santa Clara County records, as of July 27, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 10298 COLD HARBOR AVE, CUPERTINO, CA 95014-3328 |
| 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 Sale | Sep 2, 1999 · Amount on File |
| Deed Sale | Sep 2, 1999 · Amount on File |
| Deed Document Number | 199914967259 |
| Last Transfer Date | Aug 18, 2016 |
| Transfer Doc | 0023410356 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 10298 Cold Harbor Ave was $12,783 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 | $1,030,818 (+2%) Land $783,853 Building $246,965 | |
| 2025 | $12,783.00 Homeowner's exemption | $1,010,607 Land $768,484 Building $242,123 |
| 2023 | $12,306.00 (+0.2%) Homeowner's exemption | $971,366 Land $738,644 Building $232,722 |
| 2022 | $12,281.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 10298 Cold Harbor Ave in Zone X, an area of moderate flood risk, within 500 ft of a high-risk flood zone.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 9 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.
The area around 10298 Cold Harbor 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 | 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 310 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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