Contra Costa County property record for 5419 Geronimo Ct, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,578 sqft · built 1998 |
| Lot Size | 0.166 acres (7,234 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $321,000 (Nov 2012) |
| Tax Bill | $4,865 (2025) |
| Deeds & Mortgages | Sep 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 055-450-022-3 |
| Primary APN | 055-450-022-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,578 sqft Living Area |
| 1st Floor Area | 1,410 sqft |
| 2nd Floor Area | 1,168 sqft |
| Year Built | Built 1998 |
|---|---|
| Effective Year Built | Effective 1999 |
| Lot Area | 7,234 sqft (0.166 acres) |
| Garage Type | Attached |
| Garage Area | 555 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 5419 GERONIMO CT |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-9030 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8122 L376 |
| Legal Subdivision | SUBDIVISION 8122 |
| Legal Tract | 8122 |
| Legal Lot Number | 376 |
| 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, 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 Record |
|---|---|
| Mailing Address | 5419 GERONIMO CT, ANTIOCH, CA 94531-9030 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 21, 2012 · Amount on Record |
| Deed Sale | Nov 21, 2012 · Amount on Record |
| Prior Sale | Sep 6, 2012 · Amount on Record |
| Deed Document Number | 2012295589 |
| Last Transfer Date | Mar 13, 2014 |
| Transfer Doc | 0000040547 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 5419 GERONIMO CT, ANTIOCH, CA 94531-9030 |
| Document Number | 0000250856 |
| Instrument Date | Sep 29, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Nov 5, 2020 |
| Title Company | AMROCK TITLE CA INC |
| Name | Verified Name |
|---|---|
| Address | 5419 GERONIMO CT ANTIOCH CA 945319030, ANTIOCH, CA 94531-9030 |
| Document Number | 0000250856 |
|---|---|
| Date | Oct 26, 2020 |
| Instrument | 250856 |
| Name | JP MORGAN CHASE BK |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240-2050 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Oct 25, 2035 |
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 | $403,179 (+2%) Land $50,235 Building $352,944 | |
| 2025 | $4,865.00 (+6.22%) | $395,274 (+4.04%) Land $49,250 Building $346,024 |
| 2023 | $4,580.00 (+1.53%) | $379,928 Land $47,339 Building $332,589 |
| 2022 | $4,511.00 |
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
| 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.
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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