Contra Costa County property record for 5108 Keller Ridge Dr, Clayton, CA 94517
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,877 sqft · built 1992 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $595,000 (Sep 2008) |
| Tax Bill | $10,028 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 118-452-036-7 |
| Primary APN | 118-452-036-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,877 sqft Living Area |
| 1st Floor Area | 943 sqft |
| 2nd Floor Area | 934 sqft |
| Year Built | Built 1992 |
|---|---|
| Effective Year Built | Effective 1997 |
| Lot Area | 7,500 sqft (0.172 acres) |
| Garage Type | Attached |
| Garage Area | 539 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 5108 KELLER RIDGE DR |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1900 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7262 L97 |
| Legal Subdivision | WINDMILL CANYON UNIT 2 |
| Legal Tract | 7262 |
| Legal Lot Number | 97 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 355307 |
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 | 5108 KELLER RIDGE DR, CLAYTON, CA 94517-1900 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 19, 2008 · Amount on Record |
| Deed Sale | Sep 19, 2008 · Amount on Record |
| Prior Sale | Sep 19, 2008 · Amount on Record |
| Deed Document Number | 2008208150 |
| Prior Transfer Date | Apr 18, 2006 |
| Prior Transfer Doc | 0000129361 |
| Record Updated | Sep 20, 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 | $781,527 (+2%) Land $342,818 Building $438,709 | |
| 2025 | $10,028.00 (+7.29%) Homeowner's exemption | $766,204 (+4.04%) Land $336,097 Building $430,107 |
| 2023 | $9,347.00 (+0.54%) Homeowner's exemption | $736,453 Land $323,047 Building $413,406 |
| 2022 | $9,297.00 |
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 | High above 77% of the US · above 53% of California |
|---|---|
| Wildfire Likelihood | 0.4% 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 308 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
May also be available: Unwired, Verizon.
5G (outdoors only) and 4G LTE
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