Contra Costa County property record for 400 Tate Ln, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,430 sqft · built 1977 |
| Lot Size | 2.5 acres (109,335 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $1,025,000 (Mar 2025) |
| Tax Bill | $7,448 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 041-030-028-9 |
| Primary APN | 041-030-028-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,430 sqft Living Area |
| 1st Floor Area | 2,430 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | Traditional |
| Exterior Material | Stucco |
| Roof Material | Tile |
| Lot Area | 109,335 sqft |
| Garage Type | Attached |
| Garage Area | 1,008 sqft |
| Parking Spaces | 4 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 400 TATE LN |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-3951 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PARCEL MAP 21 PG 11 PCL A |
| Legal Subdivision | PM 21 11 |
| Legal Tract | 21PM11 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1010 |
| 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 | Individual Name on Record |
|---|---|
| Mailing Address | 400 TATE LN, OAKLEY, CA 94561-3951 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Sole Owner |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 10, 2025 · Amount on Record |
| Deed Sale | Mar 10, 2025 · Amount on Record |
| Prior Sale | Nov 10, 1999 · Amount on Record |
| Deed Document Number | 202521875 |
| Record Updated | Sep 20, 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 | $1,045,500 (+80.53%) Land $433,500 Building $612,000 | |
| 2025 | $7,448.00 (+3.99%) Homeowner's exemption | $579,140 (+4.04%) Land $87,591 Building $491,549 |
| 2023 | $7,162.00 (+1.53%) Homeowner's exemption | $556,653 Land $84,191 Building $472,462 |
| 2022 | $7,054.00 |
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 95% of the US · lower than 97% of California |
|---|---|
| Wildfire Likelihood | 0.01% 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 | 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 491 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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