Contra Costa County property record for 4127 Donner Ct, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,091 sqft · built 1990 |
| Lot Size | 0.124 acres (5,410 sqft) |
| Owner | Company Name on Record |
| Last Sale | $322,000 (Apr 2014) |
| Tax Bill | $4,814 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 052-298-002-8 |
| Primary APN | 052-298-002-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,091 sqft Living Area |
| 1st Floor Area | 1,017 sqft |
| 2nd Floor Area | 1,074 sqft |
| Year Built | Built 1990 |
|---|---|
| Effective Year Built | Effective 1995 |
| Lot Area | 5,410 sqft (0.124 acres) |
| Garage Type | Attached |
| Garage Area | 462 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 4127 DONNER CT |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-8202 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T6855 L91 |
| Legal Tract | 6855 |
| Legal Lot Number | 91 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 308002 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 1124 SILVERHILL CT, LAFAYETTE, CA 94549-1735 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 8, 2014 · Amount on Record |
| Deed Sale | Apr 8, 2014 · Amount on Record |
| Prior Sale | Dec 23, 2013 · Amount on Record |
| Deed Document Number | 201453284 |
| Last Transfer Date | Dec 3, 2014 |
| Transfer Doc | 0000214728 |
| 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 | $402,611 (+2%) Land $106,277 Building $296,334 | |
| 2025 | $4,814.00 (+6.29%) | $394,718 (+4.04%) Land $104,194 Building $290,524 |
| 2023 | $4,529.00 (+1.52%) | $379,393 Land $100,149 Building $279,244 |
| 2022 | $4,461.00 |
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 | 2 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 | Low lower than 97% of the US · lower than 97.8% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 204 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
May also be available: Verizon.
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