Contra Costa County property record for 8385 Marsh Creek Rd, Clayton, CA 94517
| Property Type | Rural Home |
|---|---|
| Details | 2,226 sqft · built 1965 |
| Lot Size | 2 acres (87,120 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $2,273 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 078-010-009-5 |
| Primary APN | 078-010-009-5 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 2,226 sqft Living Area |
| 1st Floor Area | 2,226 sqft |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1965 |
| Lot Area | 87,120 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 8385 MARSH CREEK RD |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-9713 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Local Zoning Code | A2 |
| Legal Description | RECORD OF SURVEY 31 LSM 2 PCL B |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 3 |
| Census Block | 3024 |
| Census Tract | 355107 |
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 | 8385 MARSH CREEK RD, CLAYTON, CA 94517-9713 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Mar 1, 2012 |
| Transfer Doc | 0000048069 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $195,998 (+2%) Land $66,231 Building $129,767 | |
| 2025 | $2,273.00 (+3.55%) | $192,156 (+4.04%) Land $64,933 Building $127,223 |
| 2023 | $2,195.00 (+0.83%) | $184,696 Land $62,412 Building $122,284 |
| 2022 | $2,177.00 |
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 | Very High above 90% of the US · above 72% of California |
|---|---|
| Wildfire Likelihood | 1% annual chance |
| Exposure | Direct burnable vegetation |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
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 95 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 |
| AT&T Fixed Wireless | 100 / 20 |
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