3741 Sunset Ln, Antioch, CA 94509 Property Records

Contra Costa County property record for 3741 Sunset Ln, Antioch, CA 94509

Property Summary

Property Type	Medical Building
Details	2,694 sqft · built 1977
Lot Size	0.459 acres (20,000 sqft)
Owner	2 Trust Names on File
Last Sale	$540,000 (Oct 2025)
Tax Bill	$4,540 (2025)
Deeds & Mortgages	Apr 2026 Transfer Oct 2025 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`068-362-002-5`

Property Details

APN / Parcel Number

Primary APN	`068-362-002-5`
Alternative APN	`068-362-002`

Interior

Total Rooms	1 Room
Stories	1 Story
Building Area	2,694 sqft Gross Area
1st Floor Area	2,694 sqft

Exterior

Year Built	Built 1977
Effective Year Built	Effective 1977
Lot Area	20,000 sqft (0.459 acres)
View / Lot	Canal

Location & Zoning

Street Address	3741 SUNSET LN
City	ANTIOCH
State	CA
Zip	94509-6130
Property Category	Commercial
Property Type	Commercial > Office > Medical Building
Legal Description	TRACT 4500 LOT 5 EX 1/2 MR
Legal Subdivision	SUBDIVISION 4500
Legal Tract	4500
Legal Lot Number	5
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	4
Census Block	4008
Census Tract	308001

Owner

3741 Sunset Ln, a commercial property, is held in a trust since October 2025.

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

Owner of Record	2 Trust Names on File
Mailing Address	3741 SUNSET LN, ANTIOCH, CA 94509-6130
Owner Type	Company
Vesting	Trust, Family 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
Apr 23, 2026	Affidavit of Death of Trustee, Transfer
Oct 9, 2025	Grant Deed, Transfer · Commercial Mortgage SUNSET PROPERTY INVESTMENTS LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 9, 2025 · Amount on File
Deed Sale	Oct 9, 2025 · Amount on File
Prior Sale	Oct 4, 2024 · Amount on File
Deed Document Number	2025106123
Prior Transfer Date	Dec 14, 1991
Prior Transfer Doc	0000223222
Record Updated	Oct 29, 2026

April 2026: Affidavit of Death of Trustee, Transfer

Document Type	Affidavit of Death of Trustee
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 23, 2026
Property Address	3741 SUNSET LN, ANTIOCH, CA 94509-6130
Document Number	0000041801
Instrument Date	Apr 17, 2026
Instrument	202641801
Transaction Type	Transfer
Record Updated	Aug 27, 2026

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust

October 2025: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 9, 2025
Property Address	3741 SUNSET LN, ANTIOCH, CA 94509-6130
Document Number	0000106123
Map Reference	MB 159 PG 49
Instrument Date	Oct 7, 2025
Instrument	2025- 106123
Transaction Type	Transfer
Record Updated	Oct 21, 2025
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
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
Address	3741 SUNSET LANE, BRENTWOOD, CA 94513

Mortgage

Document Number	0000106124
Date	Oct 9, 2025
Instrument	2025- 106124

Lender

Name	SUNSET PROPERTY INVESTMENTS LLC
Type	Non-Lending Institution
Address	2930 CONCORD BLVD, CONCORD, CA 94519

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 3741 Sunset Ln was $4,540.

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		$540,000 (+8%) Land $250,000 Building $290,000
2025	$4,540.00	$500,000 Land $200,000 Building $300,000
2023	$4,453.00 (+1.34%)	$305,733 Land $67,925 Building $237,808
2022	$4,394.00

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

Flood

FEMA maps place 3741 Sunset Ln in Zone X, an area of minimal flood risk.

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

Wildfire risk around 3741 Sunset Ln is low, with 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 80% of the US · lower than 88% of California
Wildfire Likelihood	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 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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