3711 Sunset Ln, Antioch, CA 94509 Property Records

Contra Costa County property record for 3711 Sunset Ln, Antioch, CA 94509

Property Summary

Property Type	Commercial Office
Details	5,488 sqft · built 1978
Lot Size	0.478 acres (20,821 sqft)
Owner	Company Name on File
Last Sale	$810,000 (Apr 2017)
Tax Bill	$13,541 (2025)
Deeds & Mortgages	Sep 2017 Mortgage Apr 2017 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`068-362-008-2`

Property Details

APN / Parcel Number

Primary APN	`068-362-008-2`
Alternative APN	`068-362-008`

Interior

Total Rooms	4 Rooms
Stories	1 Story
Building Area	5,488 sqft Gross Area
1st Floor Area	5,488 sqft

Exterior

Year Built	Built 1978
Effective Year Built	Effective 1979
Exterior Material	Wood Siding
Construction Type	Frame
Roof Type	Flat
Roof Material	Tar & Gravel
Lot Area	20,821 sqft (0.478 acres)
Garage Type	Carport
Carport	Carport

Location & Zoning

Street Address	3711 SUNSET LN
City	ANTIOCH
State	CA
Zip	94509-6125
Property Category	Commercial
Property Type	Commercial > Office > Commercial Office
Legal Description	TRACT 4500 POR LOT 8 EX 1/2 MR
Legal Subdivision	SUBDIVISION 4500
Legal Tract	4500
Legal Lot Number	8
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	4
Census Block	4008
Census Tract	308001

Owner

3711 Sunset Ln, a commercial property, is owned by a company that bought it in April 2017.

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

Owner of Record	Company Name on File
Mailing Address	PO BOX 30005, WALNUT CREEK, CA 94598-9005
Owner Type	Company
Vesting	Company

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
Sep 15, 2017	Deed of Trust, Mortgage TRI COUNTIES BANK
Apr 24, 2017	Grant Deed, Transfer NORTH AMERICAN TITLE
Dec 28, 2016	Deed of Trust, Mortgage PRIVATE INDIVIDUAL

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 24, 2017 · Amount on File
Deed Sale	Apr 24, 2017 · Amount on File
Prior Sale	Dec 16, 2011 · Amount on File
Deed Document Number	201770242
Prior Transfer Date	Jun 16, 1997
Prior Transfer Doc	0000107009
Record Updated	Oct 29, 2026

September 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3711 SUNSET LN, ANTIOCH, CA 94509-6125
Document Number	0000175431
Instrument Date	Sep 15, 2017
Transaction Type	Mortgage
Record Updated	Sep 29, 2017
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	2335 DEER VALLEY LN WALNUT CREEK CA 945985006, WALNUT CREEK, CA 94598-5006

Mortgage

Document Number	0000175431
Date	Sep 26, 2017
Instrument	175431

Lender

Name	TRI COUNTIES BANK
Type	Bank
Address	BRENTWOOD, CA 94513

Agreement

Amount	Amount on Record

Interest

Rate Type	Adjustable Rate

April 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 24, 2017
Property Address	3711 SUNSET LN, ANTIOCH, CA 94509-6125
Document Number	0000070242
Instrument Date	Apr 20, 2017
Instrument	70242
Transaction Type	Transfer
Record Updated	May 4, 2017
Title Company	NORTH AMERICAN TITLE

Transaction

Amount	Amount on Record
Tax	$891.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	PO BOX 30005 WALNUT CREEK CA 945989005, WALNUT CREEK, CA 94598-9005

December 2016: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3711 SUNSET LN, ANTIOCH, CA 94509-6125
Document Number	0000003776
Instrument Date	Dec 28, 2016
Transaction Type	Mortgage
Record Updated	Aug 15, 2018
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	3711 SUNSET LN ANTIOCH CA 945096125, ANTIOCH, CA 94509-6125

Mortgage

Document Number	0000003776
Date	Jan 6, 2017
Instrument	3776

Lender

Name	PRIVATE INDIVIDUAL
Type	Private Party
Address	WALNUT CREEK, CA 94596

Agreement

Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 3711 Sunset Ln was $13,541.

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		$958,868 (+2%) Land $491,272 Building $467,596
2025	$13,541.00	$940,068 Land $481,640 Building $458,428
2023	$12,687.00 (+1.39%)	$903,567 Land $462,939 Building $440,628
2022	$12,513.00

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

Flood

FEMA maps place 3711 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 3711 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 489 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	100 / 20

May also be available: Verizon.

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