Contra Costa County property record for 1804 Johnson Dr, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,818 sqft · built 1990 |
| Lot Size | 0.124 acres (5,400 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $158,000 (Jan 1998) |
| Tax Bill | $3,122 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 076-653-021-6 |
| Primary APN | 076-653-021-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,818 sqft Living Area |
| Gross Area | 2,307 sqft |
| 1st Floor Area | 888 sqft |
| 2nd Floor Area | 930 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1990 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Other |
| Lot Area | 5,400 sqft (0.124 acres) |
| Lot Dimensions | 100 ft deep x 54 ft wide |
| Garage Type | Attached |
| Garage Area | 489 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 1804 JOHNSON DR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-5366 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7105 L71 |
| Legal Tract | 7105 |
| Legal Lot Number | 71 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 307204 |
1804 Johnson Dr is owned and occupied by two individuals who bought it in January 1998.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1804 JOHNSON DR, ANTIOCH, CA 94509-5366 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | Jan 30, 1998 · Amount on File |
| Deed Sale | Jan 30, 1998 · Amount on File |
| Prior Sale | Jul 9, 1997 · Amount on File |
| Deed Document Number | 199818334 |
| Prior Transfer Date | Jun 26, 1997 |
| Prior Transfer Doc | 0000117946 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1804 Johnson Dr was $3,122 with a homeowner's exemption.
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 | $241,012 (+2%) Land $56,986 Building $184,026 | |
| 2025 | $3,122.00 Homeowner's exemption | $236,287 Land $55,869 Building $180,418 |
| 2023 | $2,927.00 (+1.42%) Homeowner's exemption | $227,113 Land $53,700 Building $173,413 |
| 2022 | $2,886.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1804 Johnson Dr in Zone X, an area of minimal flood risk.
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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
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.
Wildfire risk around 1804 Johnson Dr is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 612 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
May also be available: Unwired, Verizon.
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