Contra Costa County property record for 5401 Buffalo Ct, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,041 sqft · built 1998 |
| Lot Size | 0.182 acres (7,912 sqft) |
| Owner | Trust Name on File |
| Last Sale | $380,000 (Aug 2003) |
| Tax Bill | $6,447 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 055-450-012-4 |
| Primary APN | 055-450-012-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,041 sqft Living Area |
| 1st Floor Area | 2,041 sqft |
| Year Built | Built 1998 |
|---|---|
| Effective Year Built | Effective 1999 |
| Lot Area | 7,912 sqft (0.182 acres) |
| Garage Type | Attached |
| Garage Area | 565 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 5401 BUFFALO CT |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-9028 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A-2 |
| Legal Description | T8122 L366 |
| Legal Tract | 8122 |
| Legal Lot Number | 366 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 303207 |
5401 Buffalo Ct is owner-occupied and held in a trust since August 2003.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 5401 BUFFALO CT, ANTIOCH, CA 94531-9028 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 | Aug 18, 2003 · Amount on File |
| Deed Sale | Aug 18, 2003 · Amount on File |
| Prior Sale | Aug 18, 2003 · Amount on File |
| Deed Document Number | 2003405812 |
| Prior Transfer Date | Aug 11, 2003 |
| Prior Transfer Doc | 0000442209 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 5401 Buffalo Ct was $6,447 with a homeowner's exemption.
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 | $563,976 (+2%) Land $152,266 Building $411,710 | |
| 2025 | $6,447.00 Homeowner's exemption | $552,919 Land $149,281 Building $403,638 |
| 2023 | $6,076.00 (+1.61%) Homeowner's exemption | $531,450 Land $143,485 Building $387,965 |
| 2022 | $5,980.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 5401 Buffalo Ct in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 5401 Buffalo Ct is high, ranking above 76% of the US, with a 0.5% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 76% of the US · above 52% of California |
|---|---|
| Wildfire Likelihood | 0.5% 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 530 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: T-Mobile, Unwired.
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