5407 Geronimo Ct, Antioch, CA 94531 Property Records

Contra Costa County property record for 5407 Geronimo Ct, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 3,438 sqft · built 1998
Lot Size	0.148 acres (6,426 sqft)
Owner	2 Individual Names on File
Last Sale	$650,000 (Jan 2023)
Tax Bill	$7,816 (2025)
Deeds & Mortgages	Jan 2023 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`055-450-025-6`

Property Details

APN / Parcel Number

Primary APN	`055-450-025-6`
Alternative APN	`055-450-025`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	3,438 sqft Living Area
1st Floor Area	1,700 sqft
2nd Floor Area	1,738 sqft

Exterior

Year Built	Built 1998
Effective Year Built	Effective 1999
Lot Area	6,426 sqft (0.148 acres)
Garage Type	Attached
Garage Area	699 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	5407 GERONIMO CT
City	ANTIOCH
State	CA
Zip	94531-9030
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	A-2
Legal Description	T8122 L379
Legal Subdivision	SUBDIVISION 8122
Legal Tract	8122
Legal Lot Number	379
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 assessment roll, 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 File
Mailing Address	5407 GERONIMO CT, ANTIOCH, CA 94531-9030
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Tenants in Common

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jan 9, 2023 · Amount on Record
Deed Sale	Jan 9, 2023 · Amount on Record
Prior Sale	Jul 28, 2005 · Amount on Record
Deed Document Number	20232099
Prior Transfer Date	Jul 20, 2005
Prior Transfer Doc	0000279475
Record Updated	Sep 20, 2026

January 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 9, 2023
Property Address	5407 GERONIMO CT, ANTIOCH, CA 94531-9030
Document Number	0000002099
Map Reference	MB 400 PG 31
Instrument Date	Dec 23, 2022
Instrument	2023-002099
Transaction Type	Transfer
Record Updated	Jan 17, 2023
Title Company	USA NATIONAL TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	5407 GERONIMO CT, ANTIOCH, CA 94531-9030

Mortgage

Document Number	0000002100
Date	Jan 9, 2023
Instrument	2023-002100

Lender

Name	SHARP LOAN

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded

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		$689,784 (+2%) Land $254,689 Building $435,095
2025	$7,816.00 (+7.04%)	$676,260 (+4.04%) Land $249,696 Building $426,564
2023	$7,302.00 (-14.35%) Homeowner's exemption	$650,000 Land $200,000 Building $450,000
2022	$8,525.00

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 at the parcel

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 USA, Unwired.

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