Contra Costa County property record for 4181 Leon Dr, Clayton, CA 94517
| Property Type | Rural Home |
|---|---|
| Details | 1,695 sqft · built 2000 |
| Lot Size | 6.48 acres (282,704 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $4,841 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 078-310-022-5 |
| Primary APN | 078-310-022-5 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 1,695 sqft Living Area |
| 1st Floor Area | 1,695 sqft |
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2000 |
| Lot Area | 282,704 sqft |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 4181 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 113 PG 11 PCL A |
| Legal Tract | 113PM11 |
| 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 | Company Name on Record |
|---|---|
| Mailing Address | 4181 LEON DR, CLAYTON, CA 94517-9702 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jun 21, 2016 |
| Transfer Doc | 0000121902 |
| 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 | $440,456 (+2%) Land $268,104 Building $172,352 | |
| 2025 | $4,841.00 (+3.75%) Homeowner's exemption | $431,821 (+4.04%) Land $262,848 Building $168,973 |
| 2023 | $4,666.00 (+0.86%) Homeowner's exemption | $415,055 Land $252,643 Building $162,412 |
| 2022 | $4,626.00 |
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 | High above 89% of the US · above 70% of California |
|---|---|
| Wildfire Likelihood | 1% 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 33 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 25 / 3 |
5G (outdoors only) and 4G LTE
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