4043 Lost Canyon Ct, Antioch, CA 94531 Property Records

Contra Costa County property record for 4043 Lost Canyon Ct, Antioch, CA 94531 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,787 sqft · built 2000
Lot Size	0.128 acres (5,575 sqft)
Owner	2 Individual Names on File
Last Sale	$217,000 (Apr 2001)
Tax Bill	$4,354 (2025)
Deeds & Mortgages	Mar 2017 Line of Credit Sep 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`055-620-065-7`

Property Details

APN / Parcel Number

Primary APN	`055-620-065-7`
Alternative APN	`055-620-065`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	1,787 sqft Living Area
1st Floor Area	1,787 sqft

Exterior

Year Built	Built 2000
Effective Year Built	Effective 2001
Lot Area	5,575 sqft (0.128 acres)
Garage Type	Attached
Garage Area	453 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	4043 LOST CANYON CT
City	ANTIOCH
State	CA
Zip	94531-8280
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T8247 L65
Legal Subdivision	SUBDIVISION 8247
Legal Tract	8247
Legal Lot Number	65
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	TASSAJARA
Census Block Group	1
Census Block	1001
Census Tract	355118

Owner

Source: Contra Costa County records · APN 055-620-065-7

Assessment roll updated July 14, 2026 · Last verified July 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 File
Mailing Address	4043 LOST CANYON CT, ANTIOCH, CA 94531-8280
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Mar 01, 2017	Deed of Trust, Mortgage · Line of Credit UNIFY FINANCIAL FCU
Sep 11, 2020	Deed of Trust, Mortgage · FHA Mortgage HUD-HOUSING/URBAN DEV
Sep 11, 2020	Deed of Trust, Mortgage · FHA Mortgage OCEAN LNDG HM LNS INC

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Apr 06, 2001 · Amount on Record
Deed Sale	Apr 06, 2001 · Amount on Record
Deed Document Number	200186174
Record Updated	Sep 20, 2026

March 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4043 LOST CANYON CT, ANTIOCH, CA 94531-8280
Transaction Type	Mortgage
Record Updated	Nov 03, 2022
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000037039
Date	Mar 01, 2017
Instrument	2017-037039

Lender

Name	UNIFY FINANCIAL FCU
Type	Bank
Address	TORRANCE, CA 90501

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Rate	3.5%
Change Frequency	Monthly

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4043 LOST CANYON CT, ANTIOCH, CA 94531-8280
Document Number	0000206404
Instrument Date	Sep 11, 2020
Transaction Type	Mortgage
Record Updated	Sep 25, 2020
Title Company	NORTH AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	4043 LOST CANYON CT ANTIOCH CA 945318280, ANTIOCH, CA 94531-8280

Mortgage

Document Number	0000206404
Date	Sep 16, 2020
Instrument	206404

Lender

Name	HUD-HOUSING/URBAN DEV
Address	451 7TH ST SW, WASHINGTON, DC 20410-0001

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	900 Months
Due	Sep 15, 2095

Interest

Rate Type	Adjustable Rate
Rate	2.79%

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4043 LOST CANYON CT, ANTIOCH, CA 94531-8280
Document Number	0000206403
Instrument Date	Sep 11, 2020
Transaction Type	Mortgage
Record Updated	Sep 25, 2020
Title Company	NORTH AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	4043 LOST CANYON CT ANTIOCH CA 945318280, ANTIOCH, CA 94531-8280

Mortgage

Document Number	0000206403
Date	Sep 16, 2020
Instrument	206403

Lender

Name	OCEAN LNDG HM LNS INC
Address	MISSION VIEJO, CA 92691

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	900 Months
Due	Sep 15, 2095

Interest

Rate Type	Adjustable Rate
Rate	2.79%

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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

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

Year	Tax Bill	Assessed Value
2026		$360,615 (+2%) Land $145,999 Building $214,616
2025	$4,354.00 (+7.99%) Homeowner's exemption	$353,545 (+5.91%) Land $143,137 Building $210,408
2023	$4,032.00 (+1.54%) Homeowner's exemption	$333,819 Land $137,580 Building $196,239
2022	$3,971.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No

Wildfire

Wildfire Risk	Moderate above 43% of the US · above 25% of California
Wildfire Likelihood	About 1 in 1,429 per year
Exposure	Indirect within ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 675 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
AT&T	Fiber	5,000 / 5,000
Xfinity	Cable	2,000 / 250

May also be available at this address: AT&T, Unwired. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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