Contra Costa County property record for 101 Mount Whitney Way, Clayton, CA 94517
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,177 sqft · built 1975 |
| Lot Size | 0.367 acres (16,000 sqft) |
| Owner | Company Name on Record |
| Last Sale | $440,000 (May 2011) |
| Tax Bill | $8,137 (2025) |
| Deeds & Mortgages | Jul 2020 Mortgage Aug 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 119-371-005-8 |
| Primary APN | 119-371-005-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,177 sqft Living Area |
| Gross Area | 2,672 sqft |
| 1st Floor Area | 1,221 sqft |
| 2nd Floor Area | 956 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1976 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 16,000 sqft (0.367 acres) |
| Garage Type | Attached |
| Garage Area | 495 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 101 MT WHITNEY WAY |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1540 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T04014 L0005 B EX MR |
| Legal Subdivision | CLAYTON |
| Legal Tract | 04014 |
| Legal Lot Number | 5 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 355306 |
Source: Contra Costa County records, as of July 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 | 101 MT WHITNEY WAY, CLAYTON, CA 94517-1540 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Jul 1, 2020 | Deed of Trust, Mortgage · Conventional Mortgage OWNING CORPORATION |
| Aug 18, 2021 | Deed of Trust, Mortgage · Conventional Mortgage GUARANTEED RATE INC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 12, 2011 · Amount on Record |
| Deed Sale | May 12, 2011 · Amount on Record |
| Deed Document Number | 201195098 |
| Last Transfer Date | Mar 21, 2014 |
| Transfer Doc | 0000057989 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 101 MT WHITNEY WAY, CLAYTON, CA 94517-1540 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | ORANGE COAST TITLE SAN JOSE |
| Name | Verified Name |
|---|
| Document Number | 0000130685 |
|---|---|
| Date | Jul 1, 2020 |
| Instrument | 2020-130685 |
| Name | OWNING CORPORATION |
|---|---|
| Type | Non-Lending Institution |
| Address | ORANGE, CA 92868 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 132 Months |
| Due | Jul 1, 2031 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 101 MT WHITNEY WAY, CLAYTON, CA 94517-1540 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | ORANGE COAST TITLE |
| Name | Verified Name |
|---|---|
| Address | 101 MT WHITNEY WAY, CLAYTON, CA 94517-1540 |
| Document Number | 0000229033 |
|---|---|
| Date | Aug 18, 2021 |
| Instrument | 2021-229033 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Mortgage Company |
| Address | CHICAGO, IL 60613 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Sep 1, 2036 |
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 | $634,169 (+2%) Land $376,745 Building $257,424 | |
| 2025 | $8,137.00 (+4.62%) Homeowner's exemption | $621,735 (+4.04%) Land $369,358 Building $252,377 |
| 2023 | $7,778.00 (+1.43%) Homeowner's exemption | $597,594 Land $355,016 Building $242,578 |
| 2022 | $7,668.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 56% of the US · lower than 66% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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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