Contra Costa County property record for 5403 Geronimo Ct, Antioch, CA 94531 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,041 sqft · built 1998 |
| Lot Size | 0.164 acres (7,140 sqft) |
| Owner | Individual Name on File |
| Last Sale | $204,000 (Mar 1999) |
| Tax Bill | $4,158 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 055-450-026-4 |
| Primary APN | 055-450-026-4 |
|---|---|
| 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 | 7,140 sqft (0.164 acres) |
| Garage Type | Attached |
| Garage Area | 565 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 5403 GERONIMO CT |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-9030 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8122 L380 |
| Legal Tract | 8122 |
| Legal Lot Number | 380 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 303207 |
Source: Contra Costa County records · APN 055-450-026-4
Assessment roll updated July 14, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 5403 GERONIMO CT, ANTIOCH, CA 94531-9030 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Mar 12, 1999 · Amount on Record |
| Deed Sale | Mar 12, 1999 · Amount on Record |
| Deed Document Number | 199968923 |
| Prior Transfer Date | Feb 23, 1999 |
| Prior Transfer Doc | 0000068924 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $341,537 (+2%) Land $79,941 Building $261,596 | |
| 2025 | $4,158.00 (+6.4%) Homeowner's exemption | $334,841 (+4.04%) Land $78,374 Building $256,467 |
| 2023 | $3,908.00 (+1.51%) Homeowner's exemption | $321,841 Land $75,332 Building $246,509 |
| 2022 | $3,850.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Wildfire Risk | High above 76% of the US · above 53% of California |
|---|---|
| Wildfire Likelihood | About 1 in 219 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 530 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: T-Mobile USA, Unwired, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
Search by:
By searching, you agree to: Terms • Privacy • Disclosures