Contra Costa County property record for 3128 Ash St, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,058 sqft · built 1977 |
| Lot Size | 0.072 acres (3,120 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,778 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 076-425-004-9 |
| Primary APN | 076-425-004-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,058 sqft Living Area |
| Gross Area | 1,497 sqft |
| 1st Floor Area | 1,058 sqft |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 3,120 sqft (0.072 acres) |
| Lot Dimensions | 80 ft deep x 39 ft wide |
| Garage Type | Attached |
| Garage Area | 439 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 3128 ASH ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-5206 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | T04252 L0225 B EX MR&FEE BLW 500FT |
| Legal Tract | 04252 |
| Legal Lot Number | 225 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 2 |
| Census Block | 2016 |
| Census Tract | 307205 |
3128 Ash St is owned by an individual who acquired it in September 2003.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 144 LEAFWOOD WAY, FOLSOM, CA 95630-1606 |
| Owner Type | Individual |
| Vesting | Single Person |
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 Transfer Date | Sep 23, 2003 |
| Transfer Doc | 0000493707 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 3128 Ash St was $1,778.
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 | $110,303 (+2%) Land $24,466 Building $85,837 | |
| 2025 | $1,778.00 | $108,141 Land $23,987 Building $84,154 |
| 2023 | $1,662.00 (+1.22%) | $103,943 Land $23,056 Building $80,887 |
| 2022 | $1,642.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3128 Ash St in Zone X, an area of minimal flood risk.
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 |
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 3128 Ash St is low, with 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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 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 342 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: T-Mobile, Verizon.
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