6275 Deer Valley Rd, Antioch, CA 94531 Property Records

Contra Costa County property record for 6275 Deer Valley Rd, Antioch, CA 94531

Property Summary

Property Type	Recreational Vacant Land
Lot Size	157 acres (6,859,828 sqft)
Owner	2 Company Names on File
Last Sale	$13,500,000 (Jun 2014)
Tax Bill	$79,940 (2025)
Deeds & Mortgages	Jul 2026 Sale
Flood Zone	Zone X (minimal risk)
APN	`057-021-003-9`

Property Details

APN / Parcel Number

Primary APN	`057-021-003-9`
Alternative APN	`057-021-003`

Exterior

Lot Area	6,859,828 sqft
View / Lot	Creek

Location & Zoning

Street Address	6275 DEER VALLEY RD
City	ANTIOCH
State	CA
Zip	94531-8383
Property Category	Public Works
Property Type	Public Works > Recreational Vacant Land
Legal Description	POR SEC 8 T1N R2E EX MR
Legal Range	02E
Legal Township	01N
Legal Section	08
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	TASSAJARA
Census Block Group	1
Census Block	1008
Census Tract	355119

Owner

Source: Contra Costa County records · APN 057-021-003-9

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 Company Names on File
Mailing Address	3161 MICHELSON DR, 425, IRVINE, CA 92612-4436
Owner Type	Company
Vesting	Tenants in Common

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jun 11, 2014 · Amount on Record
Deed Sale	Jun 11, 2014 · Amount on Record
Prior Sale	Dec 20, 2013 · Amount on Record
Deed Document Number	201495100
Record Updated	Sep 20, 2026

July 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 22, 2026
Property Address	6275 DEER VALLEY RD, ANTIOCH, CA 94531-8383
Document Number	0000077191
Instrument Date	Jul 21, 2026
Instrument	202677191
Transaction Type	Transfer
Record Updated	Jul 30, 2026
Title Company	FIRST AMERICAN TITLE

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Percentage Unclear Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Liability Partnership

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		$7,755,714 (+2%) Land $7,755,714
2025	$79,940.00 (+5.57%)	$7,603,642 (+4.04%) Land $7,603,642
2023	$75,719.00 (+1.76%)	$7,308,384 Land $7,308,384
2022	$74,407.00

Flood & Wildfire

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

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	High above 84% of the US · above 63% of California
Wildfire Likelihood	0.8% annual chance
Exposure	Direct burnable vegetation at the parcel

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

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Unwired Fixed Wireless	300 / 25
Starlink Satellite	280 / 30

May also be available: T-Mobile USA.

Based on FCC filings for 5 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CA0710001, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF ANTIOCH serves 116,781 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.