1000 Thomas Ct, Antioch, CA 94509 Property Records

Contra Costa County property record for 1000 Thomas Ct, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,405 sqft · built 1977
Lot Size	0.184 acres (8,000 sqft)
Owner	2 Individual Names on File
Last Sale	$440,000 (Apr 2020)
Tax Bill	$5,955 (2025)
Deeds & Mortgages	Jun 2020 Transfer Apr 2020 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`068-444-003-5`

Property Details

APN / Parcel Number

Primary APN	`068-444-003-5`
Alternative APN	`068-444-003`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,405 sqft Living Area
Gross Area	1,888 sqft
1st Floor Area	1,405 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1977
Effective Year Built	Effective 1985
Architectural Style	Ranch
Exterior Material	Stucco
Construction Type	Concrete
Roof Material	Wood Shingle
Lot Area	8,000 sqft (0.184 acres)
Garage Type	Attached
Garage Area	483 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	1000 THOMAS CT
City	ANTIOCH
State	CA
Zip	94509-5133
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	T04580 L0177 B EX 1/2 MR
Legal Subdivision	MAP/SUB 4580
Legal Tract	04580
Legal Lot Number	177
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	3
Census Block	3011
Census Tract	308001

Owner

1000 Thomas Ct is owned and occupied by two individuals who acquired it in June 2020.

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

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

Owner of Record	2 Individual Names on File
Mailing Address	1000 THOMAS CT, ANTIOCH, CA 94509-5133
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Jun 30, 2020	Quit Claim Deed, Transfer NOT AVAILABLE
Apr 28, 2020	Quit Claim Deed, Transfer FIRST AMERICAN TITLE
Apr 28, 2020	Grant Deed, Transfer · Conventional Mortgage MASON MCDUFFIE MORTGAGE CORP

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 28, 2020 · Amount on File
Deed Sale	Apr 28, 2020 · Amount on File
Prior Sale	Oct 28, 1999 · Amount on File
Deed Document Number	202079567
Last Transfer Date	Jun 16, 2020
Transfer Doc	0000129062
Record Updated	Oct 29, 2026

June 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 30, 2020
Property Address	1000 THOMAS CT, ANTIOCH, CA 94509-5133
Document Number	0000129062
Instrument Date	Jun 16, 2020
Instrument	129062
Transaction Type	Transfer
Record Updated	Jul 10, 2020
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	1000 THOMAS CT ANTIOCH CA 945095133, ANTIOCH, CA 94509-5133

April 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 28, 2020
Property Address	1000 THOMAS CT, ANTIOCH, CA 94509-5133
Document Number	0000079566
Instrument Date	Apr 23, 2020
Instrument	79566
Transaction Type	Transfer
Record Updated	May 12, 2020
Title Company	FIRST AMERICAN TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	1209 TULIP DR ANTIOCH CA 945091331, ANTIOCH, CA 94509-1331

April 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 28, 2020
Property Address	1000 THOMAS CT, ANTIOCH, CA 94509-5133
Document Number	0000079567
Map Reference	MB 175 PG 1
Instrument Date	Apr 21, 2020
Instrument	2020-079567
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIRST AMERICAN 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	1209 TULIP DR, ANTIOCH, CA 94509-1331

Mortgage

Document Number	0000079568
Date	Apr 28, 2020
Instrument	2020-079568

Lender

Name	MASON MCDUFFIE MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 1000 Thomas Ct was $5,955.

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		$490,823 (+2%) Land $167,325 Building $323,498
2025	$5,955.00	$481,200 Land $164,045 Building $317,155
2023	$5,666.00 (+1.6%)	$462,517 Land $157,676 Building $304,841
2022	$5,577.00

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

Flood

FEMA maps place 1000 Thomas Ct 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

The area around 1000 Thomas Ct has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire Risk	Not rated no burnable land 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 613 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
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: Verizon.

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