Contra Costa County property record for 1018 W 3rd St, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 914 sqft · built 1918 |
| Lot Size | 0.086 acres (3,750 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $390,000 (Jun 2025) |
| Tax Bill | $4,651 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 066-103-007-2 |
| Primary APN | 066-103-007-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 914 sqft Living Area |
| 1st Floor Area | 914 sqft |
| Year Built | Built 1918 |
|---|---|
| Effective Year Built | Effective 1918 |
| Lot Area | 3,750 sqft (0.086 acres) |
| Street Address | 1018 W 3RD ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-1155 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R3 |
| Legal Description | TOWN OF ANTIOCH POR LOTS 7 & 8 BLK 15 |
| Legal Subdivision | ANTIOCH |
| Legal Block | 15 |
| Legal Lot Number | 7,8 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 3 |
| Census Block | 3033 |
| Census Tract | 305000 |
1018 W 3rd St is owned and occupied by two individuals who bought it in June 2025.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1018 W 3RD ST, ANTIOCH, CA 94509-1155 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 | Jun 13, 2025 · Amount on File |
| Deed Sale | Jun 13, 2025 · Amount on File |
| Prior Sale | Sep 27, 2024 · Amount on File |
| Deed Document Number | 202559938 |
| Prior Transfer Date | Sep 15, 2006 |
| Prior Transfer Doc | 0000300184 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1018 W 3rd St was $4,651.
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 | $397,800 (+8.99%) Land $255,000 Building $142,800 | |
| 2025 | $4,651.00 | $365,000 Land $250,000 Building $115,000 |
| 2023 | $940.00 (+0.86%) | $39,048 Land $23,530 Building $15,518 |
| 2022 | $932.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 1018 W 3rd St in Zone X, an area of moderate flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| 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 1018 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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