Contra Costa County property record for 203 Prospector Pl, Clayton, CA 94517
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,171 sqft · built 2000 |
| Lot Size | 0.142 acres (6,200 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,070,000 (Mar 2025) |
| Tax Bill | $9,406 (2025) |
| Deeds & Mortgages | Nov 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 118-690-028-6 |
| Primary APN | 118-690-028-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,171 sqft Living Area |
| 1st Floor Area | 1,031 sqft |
| 2nd Floor Area | 1,140 sqft |
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2000 |
| Lot Area | 6,200 sqft (0.142 acres) |
| Garage Type | Attached |
| Garage Area | 457 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 203 PROSPECTOR PL |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1461 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8215 L28 |
| Legal Subdivision | DIABLO VILLAGE |
| Legal Tract | 8215 |
| Legal Lot Number | 28 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 355308 |
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 | 203 PROSPECTOR PL, CLAYTON, CA 94517-1461 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 12, 2025 · Amount on Record |
| Deed Sale | Mar 12, 2025 · Amount on Record |
| Prior Sale | Dec 14, 2000 · Amount on Record |
| Deed Document Number | 202523295 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 203 PROSPECTOR PL, CLAYTON, CA 94517-1461 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|---|
| Address | 203 PROSPECTOR PL, CLAYTON, CA 94517-1461 |
| Document Number | 0000283873 |
|---|---|
| Date | Nov 23, 2020 |
| Instrument | 2020-283873 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 1, 2050 |
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 | $1,091,400 (+48.09%) Land $612,000 Building $479,400 | |
| 2025 | $9,406.00 (+4.51%) Homeowner's exemption | $736,978 (+4.04%) Land $301,360 Building $435,618 |
| 2023 | $9,000.00 (+1.36%) Homeowner's exemption | $708,361 Land $289,658 Building $418,703 |
| 2022 | $8,879.00 |
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 X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 3 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 60% of the US · lower than 63% of California |
|---|---|
| Wildfire Likelihood | 0.2% 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 253 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: AT&T.
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