Contra Costa County property record for 1790 Upper Trail Rd, Clayton, CA 94517
| Property Type | Recreational Vacant Land |
|---|---|
| Lot Size | 0.76 acres (33,105 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $1,106 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 078-163-003-3 |
| Primary APN | 078-163-003-3 |
|---|---|
| Alternative APN |
|
| Lot Area | 33,105 sqft (0.76 acres) |
|---|
| Street Address | 1790 UPPER TRAIL RD |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-9711 |
| Property Category | Public Works |
| Property Type | Public Works > Recreational Vacant Land |
| Local Zoning Code | FR |
| Legal Description | TRACT 2959 LOT 13 |
| Legal Subdivision | UPPER TRAIL |
| Legal Tract | 2959 |
| Legal Lot Number | 13 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1001 |
| 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 | Company Name on Record |
|---|---|
| Mailing Address | 6150 CENTER ST, CLAYTON, CA 94517-5099 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| 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 | $94,098 (+2%) Land $94,098 | |
| 2025 | $1,106.00 (+3.46%) | $92,253 (+4.04%) Land $92,253 |
| 2023 | $1,069.00 (+0.85%) | $88,672 Land $88,672 |
| 2022 | $1,060.00 |
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (1982) |
| Most Recent Claim | Dec 1982 · tidal / storm surge |
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 | Extreme above 95% of the US · above 82% 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 7 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
May also be available: Unwired.
5G (outdoors only) and 4G LTE
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