Contra Costa County property record for 3933 Warbler Dr, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,522 sqft · built 1986 |
| Lot Size | 0.224 acres (9,775 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $3,742 (2025) |
| Deeds & Mortgages | Jun 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 075-394-008-9 |
| Primary APN | 075-394-008-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,522 sqft Living Area |
| 1st Floor Area | 1,660 sqft |
| 2nd Floor Area | 862 sqft |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1987 |
| Lot Area | 9,775 sqft (0.224 acres) |
| Garage Type | Attached |
| Garage Area | 473 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3933 WARBLER DR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-6442 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | T05915 L0790 B EX MR |
| Legal Subdivision | SUBDIVISION 5915 |
| Legal Tract | 05915 |
| Legal Lot Number | 790 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 355107 |
3933 Warbler Dr is owner-occupied and held in a trust since June 2018.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 3933 WARBLER DR, ANTIOCH, CA 94509-6442 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 | Name on Deed |
|---|---|
| Last Transfer Date | Jun 18, 2018 |
| Transfer Doc | 0000101678 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 27, 2018 |
| Property Address | 3933 WARBLER DR, ANTIOCH, CA 94509-6442 |
| Document Number | 0000101678 |
| Instrument Date | Jun 18, 2018 |
| Instrument | 101678 |
| Transaction Type | Transfer |
| Record Updated | Jul 3, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 3933 WARBLER DR ANTIOCH CA 945096442, ANTIOCH, CA 94509-6442 |
The 2025 property tax bill for 3933 Warbler Dr was $3,742 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 | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $296,082 (+2%) Land $55,913 Building $240,169 | |
| 2025 | $3,742.00 Homeowner's exemption | $290,277 Land $54,817 Building $235,460 |
| 2023 | $3,542.00 (+1.55%) Homeowner's exemption | $279,008 Land $52,690 Building $226,318 |
| 2022 | $3,488.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3933 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 3933 Warbler Dr is moderate, ranking above 57% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 57% of the US · lower than 66% of California |
|---|---|
| Wildfire Likelihood | 0.2% 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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