Contra Costa County property record for 924 W 3rd St, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2 ba · 1,444 sqft · built 1920 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $145,000 (Jul 2016) |
| Tax Bill | $3,594 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 066-104-014-7 |
| Primary APN | 066-104-014-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,444 sqft Living Area |
| 1st Floor Area | 1,444 sqft |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1960 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Street Address | 924 W 3RD ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-1153 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R3 |
| Legal Description | TOWN OF ANTIOCH LOT 7 BLK 12 |
| Legal Subdivision | ANTIOCH |
| Legal Block | 12 |
| Legal Lot Number | 7 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 3 |
| Census Block | 3032 |
| Census Tract | 305000 |
924 W 3rd St is owned by two individuals who bought it in July 2016.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 25 BAYVIEW AVE, BAY POINT, CA 94565-3428 |
| Owner Type | Individual |
| Vesting | Tenants in Common |
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 | Jul 29, 2016 · Amount on File |
| Deed Sale | Jul 29, 2016 · Amount on File |
| Prior Sale | Jul 10, 2015 · Amount on File |
| Deed Document Number | 2016150992 |
| Prior Transfer Date | Jul 8, 2015 |
| Prior Transfer Doc | 0000143693 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 924 W 3rd St was $3,594.
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 | $275,295 (+2%) Land $138,854 Building $136,441 | |
| 2025 | $3,594.00 | $269,898 Land $136,132 Building $133,766 |
| 2023 | $3,404.00 (+1.49%) | $259,420 Land $130,847 Building $128,573 |
| 2022 | $3,354.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 924 W 3rd St in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 11.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Nearby Flood Policies | 5 in force |
| Nearby Flood Claims | 1 (2017) |
| Most Recent Claim | Feb 2017 · Severe Winter Storms, Flooding, And Mudslides |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
The area around 924 W 3rd St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 372 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
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