Contra Costa County property record for 301 W 6th St, Antioch, CA 94509
| Property Type | Auto Repair, Garage |
|---|---|
| Details | 2,989 sqft · built 1935 |
| Lot Size | 0.23 acres (10,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $350,000 (Mar 2026) |
| Tax Bill | $1,723 (2025) |
| Deeds & Mortgages | Mar 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 066-157-009-3 |
| Primary APN | 066-157-009-3 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 2,989 sqft Gross Area |
| 1st Floor Area | 2,989 sqft |
| Year Built | Built 1935 |
|---|---|
| Effective Year Built | Effective 1935 |
| Exterior Material | Concrete Block |
| Construction Type | Concrete Block |
| Roof Type | Flat |
| Lot Area | 10,000 sqft (0.23 acres) |
| Lot Dimensions | 100 ft deep x 100 ft wide |
| View / Lot | Corner |
| Heating System | HVAC |
|---|
| Street Address | 301 W 6TH ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-1702 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Auto Repair, Garage |
| Legal Description | TOWN OF ANTIOCH LOT 1 & 2 BLK 56 |
| Legal Subdivision | TOWN ANTIOCH |
| Legal Block | 56 |
| Legal Lot Number | 1,2 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 305000 |
Source: Contra Costa County assessment roll, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 656 ALLBROOK DR, BRENTWOOD, CA 94513-1858 |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 16, 2026 · Amount on Record |
| Deed Sale | Mar 16, 2026 · Amount on Record |
| Deed Document Number | 202625388 |
| Prior Transfer Date | Feb 3, 2005 |
| Prior Transfer Doc | 0000047780 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 16, 2026 |
| Property Address | 301 W 6TH ST, ANTIOCH, CA 94509-1702 |
| Document Number | 0000025388 |
| Instrument Date | Mar 6, 2026 |
| Instrument | 2026- 025388 |
| Transaction Type | Transfer |
| Record Updated | Mar 26, 2026 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Right of Survivorship |
| Address | 656 ALLBROOK DR, BRENTWOOD, CA 94513-1858 |
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 | $101,515 (+2%) Land $91,385 Building $10,130 | |
| 2025 | $1,723.00 (+7.15%) | $99,526 (+4.04%) Land $89,594 Building $9,932 |
| 2023 | $1,608.00 (-8.69%) | $95,664 Land $86,116 Building $9,548 |
| 2022 | $1,761.00 |
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.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 374 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: T-Mobile USA, Verizon.
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