4502 Half Dome St, Antioch, CA 94531 Property Records

Contra Costa County property record for 4502 Half Dome St, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 3,002 sqft · built 2013
Lot Size	0.169 acres (7,363 sqft)
Owner	2 Trust Names on File
Last Sale	$518,000 (Dec 2016)
Tax Bill	$7,431 (2025)
Deeds & Mortgages	Feb 2024 Line of Credit Mar 2021 Transfer + 3 more
Flood Zone	Zone X (minimal risk)
APN	`052-540-018`

Property Details

APN / Parcel Number

Primary APN	`052-540-018`
Alternative APN	`052-540-018-0`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	3,002 sqft Living Area
1st Floor Area	1,597 sqft
2nd Floor Area	1,405 sqft

Exterior

Year Built	Built 2013
Effective Year Built	Effective 2014
Lot Area	7,363 sqft (0.169 acres)
Garage Type	Attached
Garage Area	453 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	4502 HALF DOME ST
City	ANTIOCH
State	CA
Zip	94531-7189
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T8851 L265
Legal Subdivision	SUBDIVISION 8851-NELSON RANCH
Legal Tract	8851
Legal Lot Number	265
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	1
Census Block	1005
Census Tract	308002

Owner

4502 Half Dome St is owner-occupied and held in a trust since March 2021.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record	2 Trust Names on File
Mailing Address	4502 HALF DOME ST, ANTIOCH, CA 94531-7189
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Feb 6, 2024	Deed of Trust, Mortgage · Line of Credit CHEVRON FCU
Mar 19, 2021	Intrafamily Transfer, Transfer
Dec 29, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage SUMMIT FUNDING INC
Aug 3, 2020	Deed of Trust, Mortgage · Conventional Mortgage WILMINGTON TR NA
Nov 23, 2019	Deed of Trust, Mortgage · Conventional with PMI PENNYMAC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 6, 2016 · Amount on File
Deed Sale	Dec 6, 2016 · Amount on File
Prior Sale	Aug 28, 2015 · Amount on File
Deed Document Number	2016264321
Last Transfer Date	Mar 12, 2021
Transfer Doc	0000084615
Record Updated	Sep 20, 2026

February 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4502 HALF DOME ST, ANTIOCH, CA 94531-7189
Transaction Type	Mortgage
Record Updated	Feb 15, 2024
Title Company	E-CHICAGO TITLE, CHICAGO TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4502 HALF DOME ST, ANTIOCH, CA 94531-7189

Mortgage

Document Number	0000011607
Date	Feb 6, 2024
Instrument	2024-011607

Lender

Name	CHEVRON FCU
Type	Credit Union
Address	CONCORD, CA 94520

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	301 Months
Due	Mar 4, 2049

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

March 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 19, 2021
Property Address	4502 HALF DOME ST, ANTIOCH, CA 94531-7189
Document Number	0000084615
Map Reference	MB 501 PG 20
Instrument Date	Mar 12, 2021
Instrument	2021-084615
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	Living Trust
Address	4502 DALF DOME STREET, ANTIOCH, CA 94531

December 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 29, 2020
Property Address	4502 HALF DOME ST, ANTIOCH, CA 94531-7189
Document Number	0000327594
Map Reference	MB 501 PG 20
Instrument Date	Dec 18, 2020
Instrument	2020-327594
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE CO

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	Community Property with Right of Survivorship
Address	4502 HALF DOME ST, ANTIOCH, CA 94531-7189

Mortgage

Document Number	0000327595
Date	Dec 29, 2020
Instrument	2020-327595

Lender

Name	SUMMIT FUNDING INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jan 1, 2051

August 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4502 HALF DOME ST, ANTIOCH, CA 94531-7189
Document Number	0000165032
Instrument Date	Aug 3, 2020
Transaction Type	Mortgage
Record Updated	Aug 26, 2020
Title Company	NOT AVAILABLE

Transaction

Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	90 MATAWAN RD #5TH MATAWAN NJ 077472623, 5TH, MATAWAN, NJ 07747-2623
Investor	Possibly a Property Investor

Mortgage

Document Number	0000165032
Date	Aug 7, 2020
Instrument	165032

Lender

Name	WILMINGTON TR NA
Address	WILMINGTON, DE 19890-1600

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	60 Months
Due	Aug 6, 2025

November 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4502 HALF DOME ST, ANTIOCH, CA 94531-7189
Document Number	0000220006
Instrument Date	Nov 23, 2019
Transaction Type	Mortgage
Record Updated	Dec 19, 2019
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	4502 HALF DOME ST ANTIOCH CA 945317189, ANTIOCH, CA 94531-7189

Mortgage

Document Number	0000220006
Date	Dec 9, 2019
Instrument	220006

Lender

Name	PENNYMAC
Address	WESTLAKE VILLAGE, CA 91361

Agreement

Type	Conventional with PMI
Amount	Amount on Record
Term	360 Months
Due	Dec 8, 2049

Tax Assessment & Valuation

The 2025 property tax bill for 4502 Half Dome St was $7,431 with a homeowner's exemption.

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		$613,082 (+2%) Land $130,214 Building $482,868
2025	$7,431.00 Homeowner's exemption	$601,061 Land $127,661 Building $473,400
2023	$7,087.00 (+1.61%) Homeowner's exemption	$577,722 Land $122,704 Building $455,018
2022	$6,975.00

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

Flood

FEMA maps place 4502 Half Dome St in Zone X, an area of minimal flood risk.

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 Policies	2 in force

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

Wildfire risk around 4502 Half Dome St is low, with less than a 0.01% annual chance of 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 550 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
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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