5426 Geronimo Ct, Antioch, CA 94531 Property Records

Contra Costa County property record for 5426 Geronimo Ct, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,578 sqft · built 1998
Lot Size	0.183 acres (7,980 sqft)
Owner	Company Name on Record
Last Sale	$223,500 (Feb 1999)
Tax Bill	$4,789 (2025)
Deeds & Mortgages	Apr 2022 Transfer
Flood Zone	Zone X (minimal risk)
APN	`055-450-020-7`

Property Details

APN / Parcel Number

Primary APN	`055-450-020-7`
Alternative APN	`055-450-020`

Interior

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

Exterior

Year Built	Built 1998
Effective Year Built	Effective 1999
Lot Area	7,980 sqft (0.183 acres)
Garage Type	Attached
Garage Area	555 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	5426 GERONIMO CT
City	ANTIOCH
State	CA
Zip	94531-9030
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T8122 L374
Legal Subdivision	SUBDIVISION 8122
Legal Tract	8122
Legal Lot Number	374
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	3
Census Block	3000
Census Tract	303207

Owner

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	Company Name on Record
Mailing Address	5426 GERONIMO CT, ANTIOCH, CA 94531-9030
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 26, 1999 · Amount on Record
Deed Sale	Feb 26, 1999 · Amount on Record
Deed Document Number	199953906
Prior Transfer Date	Feb 19, 1999
Prior Transfer Doc	0000053907
Record Updated	Sep 20, 2026

April 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 6, 2022
Property Address	5426 GERONIMO CT, ANTIOCH, CA 94531-9030
Document Number	0000060164
Map Reference	MB 400 PG 31
Instrument Date	Nov 12, 2021
Instrument	2022-060164
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	5426 GERONIMO CT, ANTIOCH, CA 94531-9030

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Antioch City
Unified School District	Antioch Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$395,757 (+2%) Land $79,941 Building $315,816
2025	$4,789.00 (+6.23%)	$387,998 (+4.04%) Land $78,374 Building $309,624
2023	$4,508.00 (+1.51%)	$372,933 Land $75,332 Building $297,601
2022	$4,441.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

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

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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

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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