Contra Costa County property record for 550 Leon Way, Clayton, CA 94517
| Property Type | Pasture |
|---|---|
| Details | 5,210 sqft · built 2002 |
| Lot Size | 65.9 acres (2,872,782 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,299,000 (Apr 2016) |
| Tax Bill | $16,949 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 078-310-037-3 |
| Primary APN | 078-310-037-3 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 5,210 sqft Gross Area |
| 1st Floor Area | 5,210 sqft |
| Year Built | Built 2002 |
|---|---|
| Effective Year Built | Effective 2002 |
| Lot Area | 2,872,782 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 550 LEON WAY |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517 |
| Property Category | Agriculture or Farming |
| Property Type | Agriculture / Farming > Pasture |
| Local Zoning Code | A2 |
| Legal Description | PCL MAP 48 PG 21 POR PCL D |
| 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 are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | PO BOX 1074, CLAYTON, CA 94517-9074 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 22, 2016 · Amount on Record |
| Deed Sale | Apr 22, 2016 · Amount on Record |
| Prior Sale | Jan 30, 2002 · Amount on Record |
| Deed Document Number | 201674696 |
| Last Transfer Date | Sep 21, 2016 |
| Transfer Doc | 0000196555 |
| Record Updated | Oct 29, 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 | $1,568,498 (+2%) Land $439,514 Building $1,128,984 | |
| 2025 | $16,949.00 (+3.81%) Homeowner's exemption | $1,537,745 (+4.04%) Land $430,897 Building $1,106,848 |
| 2023 | $16,327.00 (+0.88%) Homeowner's exemption | $1,478,035 Land $414,166 Building $1,063,869 |
| 2022 | $16,184.00 |
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 86% of the US · above 66% 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 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Unwired.
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