5350 Thunderbird Ct, Antioch, CA 94531 Property Records

Contra Costa County property record for 5350 Thunderbird Ct, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,578 sqft · built 1999
Lot Size	0.173 acres (7,529 sqft)
Owner	Individual Name on Record
Last Sale	$224,250 (Jan 2009)
Tax Bill	$4,562 (2025)
Deeds & Mortgages	May 2022 Mortgage May 2026 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`055-530-019-3`

Property Details

APN / Parcel Number

Primary APN	`055-530-019-3`
Alternative APN	`055-530-019`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	2,578 sqft Living Area
1st Floor Area	1,410 sqft
2nd Floor Area	1,168 sqft

Exterior

Year Built	Built 1999
Effective Year Built	Effective 2000
Lot Area	7,529 sqft (0.173 acres)
Garage Type	Attached
Garage Area	555 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	5350 THUNDERBIRD CT
City	ANTIOCH
State	CA
Zip	94531-9052
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T8191 L502
Legal Subdivision	SUBDIVISION 8191
Legal Tract	8191
Legal Lot Number	502
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	3
Census Block	3008
Census Tract	303207

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	Individual Name on Record
Mailing Address	5350 THUNDERBIRD CT, ANTIOCH, CA 94531-9052
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
May 19, 2022	Deed of Trust, Mortgage · Conventional Mortgage FREMONT BANK
May 21, 2026	Re-recorded Document, Transfer · Line of Credit FREMONT BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 22, 2009 · Amount on Record
Deed Sale	Jan 22, 2009 · Amount on Record
Prior Sale	Nov 26, 2008 · Amount on Record
Deed Document Number	200911218
Prior Transfer Date	Jan 20, 2009
Prior Transfer Doc	0000011218
Record Updated	Sep 20, 2026

May 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	5350 THUNDERBIRD CT, ANTIOCH, CA 94531-9052
Transaction Type	Mortgage
Record Updated	Jun 3, 2026
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5350 THUNDERBIRD CT, ANTIOCH, CA 94531-9052

Mortgage

Document Number	0000085819
Date	May 19, 2022
Instrument	2022-085819

Lender

Name	FREMONT BANK
Type	Bank
Address	LIVERMORE, CA 94551

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Jun 1, 2037

May 2026: Re-recorded Document, Transfer

Document Type	Re-recorded Document
Jurisdiction	CONTRA COSTA CA
Recording Date	May 21, 2026
Property Address	5350 THUNDERBIRD CT, ANTIOCH, CA 94531-9052
Document Number	0000053380
Instrument Date	May 12, 2026
Instrument	202653380
Transaction Type	Transfer
Record Updated	Jul 12, 2026
Title Company	E-CHICAGO TITLE, CHICAGO TITLE

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	5350 THUNDERBIRD CT, ANTIOCH, CA 94531-9052

Mortgage

Document Number	0000053381,
Date	May 21, 2026
Instrument	202653381

Lender

Name	FREMONT BANK

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate	6.3%
Max Rate	-1%

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		$380,902 (+2%) Land $65,666 Building $315,236
2025	$4,562.00 (+6.32%) Homeowner's exemption	$373,434 (+4.04%) Land $64,379 Building $309,055
2023	$4,291.00 (+1.54%) Homeowner's exemption	$358,935 Land $61,880 Building $297,055
2022	$4,226.00

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

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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 62% of the US · lower than 77% of California
Wildfire Likelihood	0.06% 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 530 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: T-Mobile, Unwired.

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