Contra Costa County property record for 326 Sweeney Rd, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,333 sqft · built 1958 |
| Lot Size | 0.234 acres (10,200 sqft) |
| Owner | Individual Name on File |
| Last Sale | $530,000 (Nov 2024) |
| Tax Bill | $6,502 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 068-231-018 |
| Primary APN | 068-231-018 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,333 sqft Living Area |
| 1st Floor Area | 1,333 sqft |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1973 |
| Architectural Style | Traditional |
| Exterior Material | Stucco |
| Roof Material | Composition Shingle |
| Lot Area | 10,200 sqft (0.234 acres) |
| Garage Type | Attached |
| Garage Area | 278 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 326 SWEENEY RD |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-5051 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | GARROW SUBN #2 LOT 86 & 5 FT STRIP ADJ ON S |
| Legal Subdivision | GARROW SUB |
| Legal Lot Number | 86,5 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1021 |
| Census Tract | 308001 |
326 Sweeney Rd is owned and occupied by an individual who bought it in November 2024.
Source: Contra Costa County records, as of August 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 326 SWEENEY RD, ANTIOCH, CA 94509-5051 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Man |
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 | Nov 25, 2024 · Amount on File |
| Deed Sale | Nov 25, 2024 · Amount on File |
| Prior Sale | Oct 17, 2008 · Amount on File |
| Deed Document Number | 2024127451 |
| Prior Transfer Date | Aug 13, 2014 |
| Prior Transfer Doc | 0000041892 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 326 Sweeney Rd was $6,502.
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 | $540,600 (+2%) Land $306,000 Building $234,600 | |
| 2025 | $6,502.00 | $530,000 Land $300,000 Building $230,000 |
| 2023 | $2,233.00 (+1.36%) | $154,420 Land $58,101 Building $96,319 |
| 2022 | $2,203.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 326 Sweeney Rd in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1998.
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 |
| Nearby Flood Claims | 3 (1998–2004) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Nov 2004 · rainfall accumulation |
| Claims by Event |
|
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.
Wildfire risk around 326 Sweeney Rd is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | Under 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 597 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: Verizon.
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