Contra Costa County property record for 2104 Willow Ave, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,527 sqft · built 1987 |
| Lot Size | 0.108 acres (4,700 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $3,429 (2025) |
| Deeds & Mortgages | May 2024 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 051-321-038-5 |
| Primary APN | 051-321-038-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,527 sqft Living Area |
| 1st Floor Area | 830 sqft |
| 2nd Floor Area | 697 sqft |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Lot Area | 4,700 sqft (0.108 acres) |
| Garage Type | Attached |
| Garage Area | 446 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 2104 WILLOW AVE |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-6800 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | T06109 L0092 B |
| Legal Subdivision | SUBDIVISION 6109 |
| Legal Tract | 06109 |
| Legal Lot Number | 92 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 306002 |
2104 Willow Ave is owned and occupied by an individual who acquired it in April 2024.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 2104 WILLOW AVE, ANTIOCH, CA 94509-6800 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Apr 7, 2024 |
| Transfer Doc | 0000041397 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 2, 2024 |
| Property Address | 2104 WILLOW AVE, ANTIOCH, CA 94509-6800 |
| Document Number | 0000041397 |
| Map Reference | MB 282 PG 30 |
| Instrument Date | Apr 7, 2024 |
| Instrument | 2024-041397 |
| Transaction Type | Transfer |
| Record Updated | May 15, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 2104 WILLOW AVE, ANTIOCH, CA 94509-6800 |
The 2025 property tax bill for 2104 Willow Ave was $3,429.
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 | $243,714 (+2%) Land $63,704 Building $180,010 | |
| 2025 | $3,429.00 | $238,936 Land $62,455 Building $176,481 |
| 2023 | $3,167.00 (+1.41%) Homeowner's exemption | $229,660 Land $60,031 Building $169,629 |
| 2022 | $3,123.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 2104 Willow Ave 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 2104 Willow Ave 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 98% of the US · lower than 98.4% 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 | 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 341 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 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: T-Mobile, Verizon.
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