Contra Costa County property record for 4320 Chenin Ln, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,488 sqft · built 1979 |
| Lot Size | 0.139 acres (6,060 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $411,000 (Nov 2006) |
| Tax Bill | $6,983 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 035-341-018-6 |
| Primary APN | 035-341-018-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,488 sqft Living Area |
| 1st Floor Area | 1,488 sqft |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1980 |
| Lot Area | 6,060 sqft (0.139 acres) |
| Garage Type | Attached |
| Garage Area | 451 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 4320 CHENIN LN |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-2352 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-6 |
| Legal Description | T04828 L0074 B |
| Legal Tract | 04828 |
| Legal Lot Number | 74 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 302014 |
4320 Chenin Ln is owned and occupied by two individuals who acquired it in December 2006.
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 4320 CHENIN LN, OAKLEY, CA 94561-2352 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 9, 2006 · Amount on File |
| Deed Sale | Nov 9, 2006 · Amount on File |
| Prior Sale | Dec 19, 2002 · Amount on File |
| Deed Document Number | 2006360290 |
| Last Transfer Date | Dec 4, 2006 |
| Transfer Doc | 0000411660 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4320 Chenin Ln was $6,983 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Oakley City |
| Secondary School District | Liberty Union High School District (09 - 12) |
| Elementary School District | Oakley Union Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $561,650 (+2%) Land $341,636 Building $220,014 | |
| 2025 | $6,983.00 Homeowner's exemption | $550,638 Land $334,938 Building $215,700 |
| 2023 | $6,777.00 (+0.86%) Homeowner's exemption | $529,258 Land $321,933 Building $207,325 |
| 2022 | $6,719.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4320 Chenin Ln in Zone X, an area of minimal flood risk.
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 |
| Nearby Flood Policies | 2 in force |
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.
Wildfire risk around 4320 Chenin Ln is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 97.8% 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 417 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 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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