Contra Costa County property record for 5 Hillside Rd, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,420 sqft · built 1955 |
| Lot Size | 0.149 acres (6,500 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $564,000 (Dec 2024) |
| Tax Bill | $6,881 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 071-073-010-2 |
| Primary APN | 071-073-010-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,420 sqft Living Area |
| Gross Area | 1,760 sqft |
| 1st Floor Area | 1,420 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Exterior Material | Block |
| Construction Type | Frame |
| Lot Area | 6,500 sqft (0.149 acres) |
| Garage Type | Attached |
| Garage Area | 340 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 5 HILLSIDE RD |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-4943 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | ANTIOCH HGTS SUBN #1 LOT 2 |
| Legal Subdivision | ANTIOCH HEIGHTS SUB |
| Legal Lot Number | 2 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 308001 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 3916 N POTSDAM AVE, SIOUX FALLS, SD 57104-7048 |
| Owner Type | Individual |
| Vesting | Surviving Spouse |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 24, 2024 · Amount on Record |
| Deed Sale | Dec 24, 2024 · Amount on Record |
| Prior Sale | Sep 11, 2024 · Amount on Record |
| Deed Document Number | 2024137038 |
| Prior Transfer Date | Dec 18, 2024 |
| Prior Transfer Doc | 0000137037 |
| Record Updated | Oct 29, 2026 |
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 | $575,280 (+2%) Land $265,200 Building $310,080 | |
| 2025 | $6,881.00 (+238.47%) | $564,000 (+313.34%) Land $260,000 Building $304,000 |
| 2023 | $2,033.00 (+1.35%) | $136,449 Land $66,402 Building $70,047 |
| 2022 | $2,006.00 |
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.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 97.8% 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 579 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 |
| Verizon Fixed Wireless | 300 / 20 |
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