Contra Costa County property record for 3971 Warbler Dr, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,255 sqft · built 2012 |
| Lot Size | 0.149 acres (6,478 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $305,000 (Apr 2012) |
| Tax Bill | $4,813 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 075-610-074-9 |
| Primary APN | 075-610-074-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,255 sqft Living Area |
| 1st Floor Area | 949 sqft |
| 2nd Floor Area | 1,306 sqft |
| Year Built | Built 2012 |
|---|---|
| Effective Year Built | Effective 2012 |
| Lot Area | 6,478 sqft (0.149 acres) |
| Garage Type | Attached |
| Garage Area | 457 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3971 WARBLER DR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-6442 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T6708 L74 |
| Legal Tract | 6708 |
| Legal Lot Number | 74 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 355107 |
3971 Warbler Dr is owned and occupied by two individuals who acquired it in April 2013.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3971 WARBLER DR, ANTIOCH, CA 94509-6442 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 20, 2012 · Amount on File |
| Deed Sale | Apr 20, 2012 · Amount on File |
| Deed Document Number | 201291112 |
| Last Transfer Date | Apr 24, 2013 |
| Transfer Doc | 0000106509 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3971 Warbler Dr was $4,813.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $390,748 (+2%) Land $57,648 Building $333,100 | |
| 2025 | $4,813.00 | $383,087 Land $56,518 Building $326,569 |
| 2023 | $4,535.00 (+1.48%) | $368,213 Land $54,324 Building $313,889 |
| 2022 | $4,469.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3971 Warbler Dr in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 3971 Warbler Dr is high, ranking above 72% of the US, with a 0.3% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 72% of the US · above 47% of California |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Indirect within 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 | CITY OF ANTIOCH serves 116,781 people · EPA ID CA0710001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2024 |
| Lead | Under 1 ppb (2022–2024) 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 474 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Verizon.
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