Contra Costa County property record for 2270 Windsor Ln, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,131 sqft · built 1992 |
| Lot Size | 0.266 acres (11,584 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $310,000 (Oct 2002) |
| Tax Bill | $6,126 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 037-390-043 |
| Primary APN | 037-390-043 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,131 sqft Living Area |
| 1st Floor Area | 1,280 sqft |
| 2nd Floor Area | 851 sqft |
| Year Built | Built 1992 |
|---|---|
| Effective Year Built | Effective 1992 |
| Lot Area | 11,584 sqft (0.266 acres) |
| Garage Type | Attached |
| Garage Area | 441 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 2270 WINDSOR LN |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-3315 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-6 |
| Legal Description | T7330 L43 |
| Legal Tract | 7330 |
| Legal Lot Number | 43 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 302005 |
Source: Contra Costa County assessment roll, 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 File |
|---|---|
| Mailing Address | 2270 WINDSOR LN, OAKLEY, CA 94561-3315 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 14, 2002 · Amount on Record |
| Deed Sale | Oct 14, 2002 · Amount on Record |
| Prior Sale | Feb 19, 1998 · Amount on Record |
| Deed Document Number | 2002369901 |
| Prior Transfer Date | Dec 6, 1993 |
| Prior Transfer Doc | 0000360642 |
| 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 | $457,792 (+2%) Land $162,491 Building $295,301 | |
| 2025 | $6,126.00 (+3.83%) Homeowner's exemption | $448,816 (+4.04%) Land $159,305 Building $289,511 |
| 2023 | $5,900.00 (+1.43%) Homeowner's exemption | $431,390 Land $153,120 Building $278,270 |
| 2022 | $5,817.00 |
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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
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 246 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 |
May also be available: AT&T, T-Mobile USA.
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