Contra Costa County property record for 1004 W 6th St, Antioch, CA 94509 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1 ba · 1,102 sqft · built 1922 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $2,692 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 066-134-002-6 |
| Primary APN | 066-134-002-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,102 sqft Living Area |
| 1st Floor Area | 1,102 sqft |
| Year Built | Built 1922 |
|---|---|
| Effective Year Built | Effective 1929 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Type | Attached |
| Garage Area | 480 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 1004 W 6TH ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-1559 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TOWN OF ANTIOCH LOT 11 BLK 36 |
| Legal Subdivision | ANTIOCH |
| Legal Block | 36 |
| Legal Lot Number | 11 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 5 |
| Census Block | 5011 |
| Census Tract | 305000 |
Source: Contra Costa County records · APN 066-134-002-6
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 | 2 Company Names on File |
|---|---|
| Mailing Address | 2831 LONE TREE WAY, ANTIOCH, CA 94509-4921 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Mar 23, 2001 |
| Transfer Doc | 0000077312 |
| 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 | $193,646 (+2%) Land $103,793 Building $89,853 | |
| 2025 | $2,692.00 (+6.03%) | $189,850 (+4.04%) Land $101,758 Building $88,092 |
| 2023 | $2,539.00 (+1.44%) | $182,479 Land $97,807 Building $84,672 |
| 2022 | $2,503.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133050005, refreshed September 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 |
| Flood Insurance Cost | Premium on Record median of 16 individual NFIP policies nearby |
| Nearby Flood Policies | 16 in force |
| Nearby Flood Claims | 47 (1982–2022) |
| Claims Outside the SFHA | 15 of 47 |
| Most Recent Claim | Dec 2022, river or lake flooding, Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Claims By Storm |
|
| 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; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 372 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 |
| Verizon | Fixed Wireless | 300 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
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