4 Dunes Ct, Antioch, CA 94509 Property Records

Contra Costa County property record for 4 Dunes Ct, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,075 sqft · built 1982
Lot Size	0.253 acres (11,000 sqft)
Owner	2 Individual Names on Record
Last Sale	$412,000 (Oct 2017)
Tax Bill	$5,738 (2025)
Deeds & Mortgages	Jun 2021 Mortgage Oct 2017 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`072-193-004-8`

Property Details

APN / Parcel Number

Primary APN	`072-193-004-8`
Alternative APN	`072-193-004`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,075 sqft Living Area
1st Floor Area	1,075 sqft

Exterior

Year Built	Built 1982
Effective Year Built	Effective 1990
Lot Area	11,000 sqft (0.253 acres)
Garage Type	Attached
Garage Area	483 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	4 DUNES CT
City	ANTIOCH
State	CA
Zip	94509-6049
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	T05855 L0155 B
Legal Subdivision	MAP 5855
Legal Tract	05855
Legal Lot Number	155
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	TASSAJARA
Census Block Group	1
Census Block	1003
Census Tract	355107

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	4 DUNES CT, ANTIOCH, CA 94509-6049
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Jun 8, 2021	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Oct 11, 2017	Grant Deed, Transfer · Conventional with PMI SUPREME LNDG

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 11, 2017 · Amount on Record
Deed Sale	Oct 11, 2017 · Amount on Record
Deed Document Number	2017185930
Record Updated	Oct 29, 2026

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4 DUNES CT, ANTIOCH, CA 94509-6049
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4 DUNES CT, ANTIOCH, CA 94509-6049

Mortgage

Document Number	0000166106
Date	Jun 8, 2021
Instrument	2021-166106

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jun 1, 2051

October 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 11, 2017
Property Address	4 DUNES CT, ANTIOCH, CA 94509-6049
Document Number	0000185930
Instrument Date	Oct 5, 2017
Instrument	185930
Transaction Type	Transfer
Record Updated	Oct 17, 2017
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$453.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	4 DUNES CT ANTIOCH CA 945096049, ANTIOCH, CA 94509-6049

Mortgage

Document Number	185931
Date	Oct 11, 2017
Instrument	185931

Lender

Name	SUPREME LNDG
Address	DALLAS, TX 75254

Agreement

Type	Conventional with PMI
Amount	Amount Recorded
Term	360 Months
Due	Oct 10, 2047

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		$478,154 (+2%) Land $191,494 Building $286,660
2025	$5,738.00 (+5.17%) Homeowner's exemption	$468,780 (+4.04%) Land $187,740 Building $281,040
2023	$5,456.00 (+1.62%) Homeowner's exemption	$450,578 Land $180,450 Building $270,128
2022	$5,369.00

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	1 (1983)
Most Recent Claim	Feb 1983 · Coastal Storms, Floods, Slides & Tornadoes

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; 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 80% of the US · lower than 88% of California
Wildfire Likelihood	0.03% annual chance
Exposure	Indirect within 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 376 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
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: Verizon.

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