Contra Costa County property record for 4580 Lariat Ln, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,547 sqft · built 1977 |
| Lot Size | 0.935 acres (40,725 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $687,000 (Dec 2003) |
| Tax Bill | $10,961 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 041-073-003 |
| Primary APN | 041-073-003 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,547 sqft Living Area |
| 1st Floor Area | 2,547 sqft |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1978 |
| Lot Area | 40,725 sqft (0.935 acres) |
| Garage Type | Attached |
| Garage Area | 630 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 4580 LARIAT LN |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-1715 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-40 |
| Legal Description | TRACT 4393 LOT 9 |
| Legal Subdivision | CASA DE LA TERRA |
| Legal Tract | 4393 |
| Legal Lot Number | 9 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 302013 |
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 | 4580 LARIAT LN, OAKLEY, CA 94561-1715 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 4, 2003 · Amount on Record |
| Deed Sale | Dec 4, 2003 · Amount on Record |
| Deed Document Number | 2003587338 |
| Prior Transfer Date | May 28, 1997 |
| Prior Transfer Doc | 0000100304 |
| Record Updated | Oct 29, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Oakley City |
| Unified School District | Antioch Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $996,288 (+2%) Land $420,560 Building $575,728 | |
| 2025 | $10,961.00 (+4.31%) Homeowner's exemption | $976,754 (+4.04%) Land $412,314 Building $564,440 |
| 2023 | $10,508.00 (+1.75%) Homeowner's exemption | $938,827 Land $396,304 Building $542,523 |
| 2022 | $10,327.00 |
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 | Low lower than 99.8% of the US · lower than 99.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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 | DIABLO WATER DISTRICT serves 47,158 people · EPA ID CA0710007 |
|---|---|
| Water Source | Purchased surface water from RANDALL-BOLD WATER TREATMENT PLANT |
| Last State Inspection | Jan 2024 |
| Also Mapped Here | CONTRA COSTA WATER DISTRICT |
| Lead | 2 ppb (2020–2022) 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 187 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 DSL · Fiber in parts of the area | 100 / 20 |
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