Contra Costa County property record for 4191 Leon Dr, Clayton, CA 94517
| Property Type | Rural Home |
|---|---|
| Details | 1,434 sqft · built 1977 |
| Lot Size | 5 acres (217,800 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $775,000 (May 2003) |
| Tax Bill | $12,464 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 078-310-030-8 |
| Primary APN | 078-310-030-8 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 1,434 sqft Living Area |
| 1st Floor Area | 1,434 sqft |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1977 |
| Lot Area | 217,800 sqft |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 4191 LEON DR |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-9702 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Local Zoning Code | A2 |
| Legal Description | PCL MAP 137 PG 11 PCL A |
| Legal Tract | 137PM11 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 1 |
| Census Block | 1042 |
| Census Tract | 355112 |
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 | PO BOX 783, CLAYTON, CA 94517-0783 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 28, 2003 · Amount on Record |
| Deed Sale | May 28, 2003 · Amount on Record |
| Prior Sale | Nov 24, 1999 · Amount on Record |
| Deed Document Number | 2003246936 |
| Prior Transfer Date | Nov 16, 2000 |
| Prior Transfer Doc | 0000270292 |
| 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 | $1,144,888 (+2%) Land $871,600 Building $273,288 | |
| 2025 | $12,464.00 (+3.77%) Homeowner's exemption | $1,122,440 (+4.04%) Land $854,510 Building $267,930 |
| 2023 | $12,011.00 (+0.87%) Homeowner's exemption | $1,078,856 Land $821,329 Building $257,527 |
| 2022 | $11,907.00 |
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 |
| Flood Insurance Cost | Premium on Record median of 14 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 14 in force |
| Nearby Flood Claims | 2 (1982–2017) |
| Most Recent Claim | Jan 2017 · Severe Winter Storms, Flooding, And Mudslides |
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 | Very High above 92% of the US · above 75% 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 1 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
4G LTE (outdoors only), no 5G reported
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