Contra Costa County property record for 989 Oak St, Clayton, CA 94517
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,292 sqft · built 2000 |
| Lot Size | 0.43 acres (18,730 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $155,000 (Feb 2000) |
| Tax Bill | $8,260 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 119-022-010-1 |
| Primary APN | 119-022-010-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,292 sqft Living Area |
| 1st Floor Area | 2,292 sqft |
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2001 |
| Lot Area | 18,730 sqft (0.43 acres) |
| Garage Type | Attached |
| Garage Area | 598 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 989 OAK ST |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1313 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | POR NE 1/4 SEC 14 T1N R1W .34 AC |
| Legal Range | 01W |
| Legal Township | 01N |
| Legal Section | 14 |
| Legal Subdivision | TOWN OF CLAYTON |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3004 |
| 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 989 OAK ST, CLAYTON, CA 94517-1313 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 11, 2000 · Amount on Record |
| Deed Sale | Feb 11, 2000 · Amount on Record |
| Deed Document Number | 200028456 |
| Prior Transfer Date | Sep 19, 1997 |
| Prior Transfer Doc | 0000179239 |
| Record Updated | Oct 29, 2026 |
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 | $649,823 (+2%) Land $242,985 Building $406,838 | |
| 2025 | $8,260.00 (+4.62%) Homeowner's exemption | $637,082 (+4.04%) Land $238,221 Building $398,861 |
| 2023 | $7,895.00 (+1.44%) Homeowner's exemption | $612,345 Land $228,971 Building $383,374 |
| 2022 | $7,783.00 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 53% of the US · lower than 68% of California |
|---|---|
| Wildfire Likelihood | 0.1% 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 351 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 |
May also be available: Astound Broadband, AT&T.
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