Contra Costa County property record for 616 W 9th St, Antioch, CA 94509 · Last verified July 2026
| Property Type | Residential > Multi-Unit > Duplex |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2 Baths |
| Architecture Style | Duplex Single |
| Year Built | Built 1920 |
| Square Footage | 1,426 sqft Living Area |
| Lot Size | 5,000 sqft (0.115 acres) |
| Tax Bill | $1,651.00 (2025) |
| Primary APN | 066-202-007-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Building Area | 1,426 sqft Living Area |
| 1st Floor | 1,426 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Architectural Style | Duplex Single Style |
| Lot Area | 5,000 sqft (0.115 acres) |
| Street Address | 616 W 9TH ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-1671 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Duplex |
| Legal Description | TOWN OF ANTIOCH LOT 8 BLK 92 |
| Legal Subdivision | TOWN ANTIOCH |
| Legal Block | 92 |
| Legal Lot Number | 8 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | ANTIOCH-PITTSBURG |
| Census Blockgroup | 4 |
| Census Block | 4000 |
| Census Tract | 305000 |
Source: Contra Costa County records · APN 066-202-007-2
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 2100 ALPHA WAY, ANTIOCH, CA 94509-2622 |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Oct 19, 2009 |
| Transfer Doc | 0000256183 |
| Record Refreshed | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $48,622 (+2%) Land $27,463 Building $21,159 | |
| 2025 | $1,651.00 (+10.14%) | $47,670 (+4.03%) Land $26,925 Building $20,745 |
| 2023 | $1,499.00 (-5.19%) | $45,822 Land $25,881 Building $19,941 |
| 2022 | $1,581.00 |
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