Contra Costa County property record for 1923 A St, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,490 sqft · built 1942 |
| Lot Size | 0.116 acres (5,060 sqft) |
| Owner | Individual Name on File |
| Last Sale | $87,000 (Feb 2013) |
| Tax Bill | $1,775 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 068-021-010-1 |
| Primary APN | 068-021-010-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,490 sqft Living Area |
| Gross Area | 1,770 sqft |
| 1st Floor Area | 1,490 sqft |
| Year Built | Built 1942 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 5,060 sqft (0.116 acres) |
| Lot Dimensions | 92 ft deep x 55 ft wide |
| Garage Type | Attached |
| Garage Area | 280 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Floor/Wall Furnace |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 1923 A ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-2603 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | MOUNTAIN VIEW SUBN LOT 42 |
| Legal Subdivision | MOUNTAIN VIEW SUB |
| Legal Lot Number | 42 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 2 |
| Census Block | 2014 |
| Census Tract | 306003 |
1923 A St is owned and occupied by an individual who bought it in February 2013.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1923 A ST, ANTIOCH, CA 94509-2603 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Name on Deed |
|---|---|
| Last Sale | Feb 15, 2013 · Amount on File |
| Deed Sale | Feb 15, 2013 · Amount on File |
| Prior Sale | Dec 17, 2004 · Amount on File |
| Deed Document Number | 201341098 |
| Prior Transfer Date | Aug 29, 2007 |
| Prior Transfer Doc | 0000252396 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1923 A St was $1,775.
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 | $109,262 (+2%) Land $75,357 Building $33,905 | |
| 2025 | $1,775.00 | $107,121 Land $73,880 Building $33,241 |
| 2023 | $1,660.00 (+1.22%) | $102,963 Land $71,012 Building $31,951 |
| 2022 | $1,640.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1923 A St in Zone X, an area of minimal flood risk.
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.
The area around 1923 A St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 754 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, 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, Verizon.
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