4027 Sheffield Dr, Antioch, CA 94531 Property Records

Contra Costa County property record for 4027 Sheffield Dr, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 2,818 sqft · built 1991
Lot Size	0.136 acres (5,920 sqft)
Owner	2 Individual Names on Record
Last Sale	$258,000 (Mar 2010)
Tax Bill	$4,114 (2025)
Deeds & Mortgages	Apr 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`052-323-018-3`

Property Details

APN / Parcel Number

Primary APN	`052-323-018-3`
Alternative APN	`052-323-018`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,818 sqft Living Area
1st Floor Area	1,329 sqft
2nd Floor Area	1,489 sqft

Exterior

Year Built	Built 1991
Effective Year Built	Effective 1991
Lot Area	5,920 sqft (0.136 acres)
Garage Type	Attached
Garage Area	480 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	4027 SHEFFIELD DR
City	ANTIOCH
State	CA
Zip	94531-6658
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T7019 L46
Legal Tract	7019
Legal Lot Number	46
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	3
Census Block	3004
Census Tract	355111

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	2 Individual Names on Record
Mailing Address	549 E DUANE AVE, SUNNYVALE, CA 94085-3742
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 1, 2010 · Amount on Record
Deed Sale	Mar 1, 2010 · Amount on Record
Prior Sale	Dec 14, 2009 · Amount on Record
Deed Document Number	201039888
Prior Transfer Date	Apr 5, 2002
Prior Transfer Doc	0000126756
Record Updated	Oct 29, 2026

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4027 SHEFFIELD DR, ANTIOCH, CA 94531-6658
Transaction Type	Mortgage
Record Updated	Aug 1, 2023
Title Company	AMROCK TITLE CA INC, AMROCK TITLE CALIFORNIA

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	549 E DUANE AVE, SUNNYVALE, CA 94085-3742

Mortgage

Document Number	0000101215
Date	Apr 5, 2021
Instrument	2021-101215

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	180 Months
Due	Apr 1, 2036

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		$339,676 (+2%) Land $46,074 Building $293,602
2025	$4,114.00 (+6.5%)	$333,017 (+4.04%) Land $45,171 Building $287,846
2023	$3,863.00 (+1.5%)	$320,087 Land $43,418 Building $276,669
2022	$3,806.00

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	Low lower than 99.8% of the US · lower than 99.8% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

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 594 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: Verizon.

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