5437 Oneida Way, Antioch, CA 94531 Property Records

Contra Costa County property record for 5437 Oneida Way, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,342 sqft · built 2024
Lot Size	0.169 acres (7,369 sqft)
Owner	Individual Name on File
Tax Bill	$13,056 (2025)
Flood Zone	Zone X (minimal risk)
APN	`057-220-048-3`

Property Details

APN / Parcel Number

Primary APN	`057-220-048-3`
Alternative APN	`057-220-048`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	1 Story
Building Area	2,342 sqft Living Area
1st Floor Area	2,342 sqft

Exterior

Year Built	Built 2024
Effective Year Built	Effective 2024
Lot Area	7,369 sqft (0.169 acres)
Garage Type	Attached
Garage Area	428 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	5437 ONEIDA WAY
City	ANTIOCH
State	CA
Zip	94531-7818
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T9518 L112
Legal Tract	9518
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 · APN 057-220-048-3

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	5437 ONEIDA WAY, ANTIOCH, CA 94531-7818
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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

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

Year	Tax Bill	Assessed Value
2026		$757,962 Land $224,400 Building $533,562
2025	$13,056.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	High above 73% of the US · above 49% of California
Wildfire Likelihood	0.4% annual chance
Exposure	Direct burnable vegetation at the parcel

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25

May also be available: Verizon.

Based on FCC filings for 331 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF ANTIOCH serves 116,781 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.