Contra Costa County property record for 1205 A St, Antioch, CA 94509
| Property Type | Commercial Office |
|---|---|
| Details | 3,768 sqft · built 1964 |
| Lot Size | 0.31 acres (13,503 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $500,000 (Oct 2012) |
| Tax Bill | $4,180 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 065-071-020-5 |
| Primary APN | 065-071-020-5 |
|---|---|
| Alternative APN |
|
| Total Rooms | 3 Rooms |
|---|---|
| Stories | 1 Story |
| Building Area | 3,768 sqft Gross Area |
| 1st Floor Area | 3,768 sqft |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 1964 |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Gravel |
| Lot Area | 13,503 sqft (0.31 acres) |
| Lot Dimensions | 112 ft deep x 170 ft wide |
| Garage Area | 5,740 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 1205 A ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-2354 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Legal Description | POR SEC 19 T2N R2E |
| Legal Range | 02E |
| Legal Township | 02N |
| Legal Section | 19 |
| Legal Subdivision | BEEDE SUBDIVISION UNIT #1 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 306003 |
1205 A St, a commercial property, is owned by two individuals who bought it in October 2012.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | PO BOX 117694, BURLINGAME, CA 94011-7694 |
| Owner Type | Individual |
| Vesting | Community Property |
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 | Oct 16, 2012 · Amount on File |
| Deed Sale | Oct 16, 2012 · Amount on File |
| Prior Sale | Mar 12, 2012 · Amount on File |
| Deed Document Number | 2012254712 |
| Prior Transfer Date | Jul 18, 2006 |
| Prior Transfer Doc | 0000232717 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1205 A St was $4,180.
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 | $326,559 (+2%) Land $106,757 Building $219,802 | |
| 2025 | $4,180.00 | $320,157 Land $104,664 Building $215,493 |
| 2023 | $3,962.00 (+1.54%) | $307,726 Land $100,600 Building $207,126 |
| 2022 | $3,902.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1205 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 1205 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 593 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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