Contra Costa County property record for 10 Mount Whitney Ct, Clayton, CA 94517
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,481 sqft · built 1976 |
| Lot Size | 0.237 acres (10,302 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $6,350 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 119-382-012-1 |
| Primary APN | 119-382-012-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 2,481 sqft Living Area |
| Gross Area | 3,144 sqft |
| 1st Floor Area | 1,360 sqft |
| 2nd Floor Area | 1,121 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1977 |
| Architectural Style | Contemporary |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 10,302 sqft (0.237 acres) |
| Garage Type | Attached |
| Garage Area | 663 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 10 MT WHITNEY CT |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1539 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T04014 L0023 B EX MR |
| Legal Tract | 04014 |
| Legal Lot Number | 23 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 355306 |
10 Mount Whitney Ct is owned by an individual who acquired it in July 1995.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 36, CLAYTON, CA 94517-0036 |
| 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 | Name on Deed |
|---|---|
| Last Transfer Date | Jul 14, 1995 |
| Transfer Doc | 0000008333 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 10 Mount Whitney Ct was $6,350.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Clayton City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $462,034 (+2%) Land $126,312 Building $335,722 | |
| 2025 | $6,350.00 | $452,976 Land $123,836 Building $329,140 |
| 2023 | $6,059.00 (+1.58%) | $435,388 Land $119,028 Building $316,360 |
| 2022 | $5,965.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 10 Mount Whitney Ct in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 10 Mount Whitney Ct is moderate, ranking above 64% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 64% of the US · lower than 60% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect 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 | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) 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 420 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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