2000 Thumb Mountain Ct, Antioch, CA 94531 Property Records

Contra Costa County property record for 2000 Thumb Mountain Ct, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,028 sqft · built 1991
Lot Size	0.112 acres (4,858 sqft)
Owner	Company Name on Record
Tax Bill	$4,801 (2025)
Deeds & Mortgages	Jan 2024 Transfer Jan 2024 Transfer
Flood Zone	Zone X (minimal risk)
APN	`055-020-024`

Property Details

APN / Parcel Number

Primary APN	`055-020-024`
Alternative APN	`055-020-024-0`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,028 sqft Living Area
1st Floor Area	995 sqft
2nd Floor Area	1,033 sqft

Exterior

Year Built	Built 1991
Effective Year Built	Effective 1991
Lot Area	4,858 sqft (0.112 acres)
Garage Type	Attached
Garage Area	504 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	2000 THUMB MOUNTAIN CT
City	ANTIOCH
State	CA
Zip	94531-8329
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T7201 L24
Legal Subdivision	SUBDIVISION 7201
Legal Tract	7201
Legal Lot Number	24
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	TASSAJARA
Census Block Group	1
Census Block	1006
Census Tract	355120

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	Company Name on Record
Mailing Address	2000 THUMB MOUNTAIN CT, ANTIOCH, CA 94531-8329
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jan 11, 2024	Affidavit of Death of Joint Tenant, Transfer
Jan 11, 2024	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Jan 5, 2024
Transfer Doc	0000003175
Record Updated	Sep 20, 2026

January 2024: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 11, 2024
Property Address	2000 THUMB MOUNTAIN CT, ANTIOCH, CA 94531-8329
Document Number	0000003175
Map Reference	MB 354 PG 40
Instrument Date	Dec 29, 2023
Instrument	2024-003175
Transaction Type	Transfer
Record Updated	Jan 23, 2024

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2000 THUMB MOUNTAIN CT, ANTIOCH, CA 94531-8329

January 2024: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 11, 2024
Property Address	2000 THUMB MOUNTAIN CT, ANTIOCH, CA 94531-8329
Document Number	0000003179
Map Reference	MB 354 PG 40
Instrument Date	Dec 29, 2023
Instrument	2024-003179
Transaction Type	Transfer
Record Updated	Jan 23, 2024

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	2000 THUMB MOUNTAIN CT, ANTIOCH, CA 94531-8329

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		$413,427 (+2%) Land $88,402 Building $325,025
2025	$4,801.00 (+6.41%) Homeowner's exemption	$405,321 (+4.04%) Land $86,669 Building $318,652
2023	$4,512.00 (+1.6%) Homeowner's exemption	$389,583 Land $83,304 Building $306,279
2022	$4,441.00

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 94% of the US · lower than 96% of California
Wildfire Likelihood	Under 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 753 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, Fixed Wireless in parts of the area	100 / 20

May also be available: Verizon.

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