Contra Costa County property record for 1300 B St, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2.5 ba · 3,135 sqft · built 1965 |
| Lot Size | 0.21 acres (9,147 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $610,000 (Jun 2025) |
| Tax Bill | $6,668 (2025) |
| Deeds & Mortgages | Dec 2017 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 067-102-064-2 |
| Primary APN | 067-102-064-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 3,135 sqft Living Area |
| 1st Floor Area | 1,815 sqft |
| 2nd Floor Area | 1,320 sqft |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1970 |
| Lot Area | 9,147 sqft (0.21 acres) |
| Garage Type | Attached |
| Garage Area | 495 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 1300 B ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-2304 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | WILLS ADDN POR LOTS 3 & 13 .21 AC |
| Legal Subdivision | WILLS ADD |
| Legal Lot Number | 3,13 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 306003 |
1300 B St is owned and occupied by two individuals who bought it in June 2025.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1300 B ST, ANTIOCH, CA 94509-2304 |
| Occupancy | Owner Occupied |
| 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 | Jun 12, 2025 · Amount on File |
| Deed Sale | Jun 12, 2025 · Amount on File |
| Prior Sale | Dec 12, 2017 · Amount on File |
| Deed Document Number | 202559232 |
| Prior Transfer Date | Sep 29, 1997 |
| Prior Transfer Doc | 0000204178 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 12, 2017 |
| Property Address | 1300 B ST, ANTIOCH, CA 94509-2304 |
| Document Number | 0000232612 |
| Instrument Date | Dec 10, 2017 |
| Instrument | 232612 |
| Transaction Type | Transfer |
| Record Updated | Jan 3, 2018 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount on Record |
|---|---|
| Tax | $526.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 42 DORE ST SAN FRANCISCO CA 941033828, SAN FRANCISCO, CA 94103-3828 |
The 2025 property tax bill for 1300 B St was $6,668.
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 | $688,500 (+26.33%) Land $219,300 Building $469,200 | |
| 2025 | $6,668.00 | $545,016 Land $200,256 Building $344,760 |
| 2023 | $6,350.00 (+1.62%) | $523,854 Land $192,481 Building $331,373 |
| 2022 | $6,249.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1300 B 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 1300 B 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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