Contra Costa County property record for 1817 Johnson Dr, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,166 sqft · built 1990 |
| Lot Size | 0.13 acres (5,655 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $3,217 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 076-654-009 |
| Primary APN | 076-654-009 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,166 sqft Living Area |
| 1st Floor Area | 1,166 sqft |
| Year Built | Built 1990 |
|---|---|
| Effective Year Built | Effective 1990 |
| Lot Area | 5,655 sqft (0.13 acres) |
| Garage Type | Attached |
| Garage Area | 486 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 1817 JOHNSON DR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-5367 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7105 L123 |
| Legal Tract | 7105 |
| Legal Lot Number | 123 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 307204 |
Source: Contra Costa County records, 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 Record |
|---|---|
| Mailing Address | 1817 JOHNSON DR, ANTIOCH, CA 94509-5367 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 28, 2012 |
| Deed Sale | Jun 28, 2012 |
| Prior Sale | Nov 7, 2008 · Amount on Record |
| Deed Document Number | 2012152830 |
| Prior Transfer Date | Dec 10, 2008 |
| Prior Transfer Doc | 0000004669 |
| Record Updated | Oct 29, 2026 |
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 | $242,982 (+2%) Land $124,774 Building $118,208 | |
| 2025 | $3,217.00 (+6.52%) | $238,219 (+4.04%) Land $122,328 Building $115,891 |
| 2023 | $3,020.00 (+1.38%) | $228,971 Land $117,579 Building $111,392 |
| 2022 | $2,979.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
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.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures