Contra Costa County property record for 3104 Ash St, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 850 sqft · built 1977 |
| Lot Size | 0.072 acres (3,120 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,277 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 076-425-010-6 |
| Primary APN | 076-425-010-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 850 sqft Living Area |
| Gross Area | 1,288 sqft |
| 1st Floor Area | 850 sqft |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Composition Shingle |
| Lot Area | 3,120 sqft (0.072 acres) |
| Lot Dimensions | 100 ft deep x 39 ft wide |
| Garage Type | Attached |
| Garage Area | 438 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 3104 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 L0231 B EX MR&FEE BLW 500FT |
| Legal Tract | 04252 |
| Legal Lot Number | 231 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 2 |
| Census Block | 2016 |
| Census Tract | 307205 |
Source: Contra Costa County assessment roll, 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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 3104 ASH ST, ANTIOCH, CA 94509-5206 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 30, 2016 |
| Deed Sale | Mar 30, 2016 |
| Prior Sale | Jun 12, 1995 · Amount on Record |
| Deed Document Number | 201655647 |
| Prior Transfer Date | Nov 30, 2006 |
| Prior Transfer Doc | 0000395197 |
| Record Updated | Sep 20, 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 | $155,867 (+2%) Land $59,942 Building $95,925 | |
| 2025 | $2,277.00 (+6.35%) | $152,812 (+4.04%) Land $58,767 Building $94,045 |
| 2023 | $2,141.00 (+1.33%) | $146,880 Land $56,486 Building $90,394 |
| 2022 | $2,113.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 42% of the US · lower than 75% of California |
|---|---|
| Wildfire Likelihood | 0.06% annual chance |
| Exposure | None beyond ember reach |
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 705 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| AT&T DSL · Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Unwired, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures