Contra Costa County property record for 12 E 6th St, Antioch, CA 94509 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,274 sqft · built 1905 |
| Lot Size | 0.057 acres (2,500 sqft) |
| Owner | Individual Name on File |
| Last Sale | $205,000 (Sep 2002) |
| Tax Bill | $3,926 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 066-162-012 |
| Primary APN | 066-162-012 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,274 sqft Living Area |
| 1st Floor Area | 1,274 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1905 |
|---|---|
| Effective Year Built | Effective 1919 |
| Exterior Material | Block |
| Construction Type | Frame |
| Lot Area | 2,500 sqft (0.057 acres) |
| Garage Area | 374 sqft |
| Cooling System | Wall Unit |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 12 E 6TH ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-1808 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN OF ANTIOCH A TR OF LD 39 FT X 100 FT |
| Legal Lot Number | 21 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 305000 |
Source: Contra Costa County records · APN 066-162-012
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 12 E 6TH ST, ANTIOCH, CA 94509-1808 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 18, 2002 · Amount on Record |
| Deed Sale | Sep 18, 2002 · Amount on Record |
| Prior Sale | Oct 13, 1993 · Amount on Record |
| Deed Document Number | 2002331283 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $313,416 (+2%) Land $159,535 Building $153,881 | |
| 2025 | $3,926.00 (+5.57%) Homeowner's exemption | $307,271 (+4.04%) Land $156,407 Building $150,864 |
| 2023 | $3,719.00 (+1.56%) Homeowner's exemption | $295,341 Land $150,335 Building $145,006 |
| 2022 | $3,662.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 593 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: AT&T, Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
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