Contra Costa County property record for 650 Mount Olivet Ct, Clayton, CA 94517
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,692 sqft · built 1978 |
| Lot Size | 0.278 acres (12,100 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $7,842 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 119-490-041-9 |
| Primary APN | 119-490-041-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,692 sqft Living Area |
| 1st Floor Area | 1,499 sqft |
| 2nd Floor Area | 1,193 sqft |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1984 |
| Architectural Style | Cluster |
| Lot Area | 12,100 sqft (0.278 acres) |
| Garage Type | Attached |
| Garage Area | 637 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 650 MT OLIVET CT |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1608 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T04019 L0041 B EX MR |
| Legal Tract | 04019 |
| Legal Lot Number | 41 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 355306 |
650 Mount Olivet Ct is owner-occupied and held in a trust since November 2012.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 650 MT OLIVET CT, CLAYTON, CA 94517-1608 |
| 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 Transfer Date | Nov 27, 2012 |
| Transfer Doc | 0000313628 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 650 Mount Olivet Ct was $7,842 with a homeowner's exemption.
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 | $613,257 (+2%) Land $234,474 Building $378,783 | |
| 2025 | $7,842.00 Homeowner's exemption | $601,233 Land $229,877 Building $371,356 |
| 2023 | $7,491.00 (+1.48%) Homeowner's exemption | $577,888 Land $220,951 Building $356,937 |
| 2022 | $7,382.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 650 Mount Olivet Ct in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 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.
Wildfire risk around 650 Mount Olivet Ct is high, ranking above 79% of the US, with a 0.5% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 79% of the US · above 56% of California |
|---|---|
| Wildfire Likelihood | 0.5% annual chance |
| Exposure | Direct burnable vegetation |
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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