31 E 6th St, Antioch, CA 94509 Property Records

Contra Costa County property record for 31 E 6th St, Antioch, CA 94509 · Last verified July 2026

Property Highlights

Property Type	Residential > Multi-Unit > Duplex
Bedrooms	2 Beds
Bathrooms	2 Baths
Year Built	Built 1930
Square Footage	1,270 sqft Living Area
Lot Size	16,117 sqft (0.37 acres)
Garage	Attached, 528 sqft
Last Sale	$180,000 (2015)
Tax Bill	$3,537.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`066-032-023-5`
Alternative APN	`066-032-023`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Building Area	1,270 sqft Living Area
1st Floor	1,270 sqft 1st Floor
Stories	1 Stories

Exterior

Year Built	Built 1925
Effective Year Built	Effective 1930
Architectural Style	Duplex Single Style
Lot Area	16,117 sqft (0.37 acres)
Parking Spaces	2 Parking Spaces
Garage Type	Attached Garage
Garage Area	528 sqft Garage

Location & Zoning

Street Address	31 E 6TH ST
City	ANTIOCH
State	CA
Zip	94509-1807
Property Usage	Residential Property Usage
Type	Residential > Multi-Unit > Duplex
Legal Description	PCL MAP 155 PG 48 PCL B
Legal Tract	155PM48
Jurisdiction	CONTRA COSTA CA
Minor Civil Division	ANTIOCH-PITTSBURG
Census Blockgroup	1
Census Block	1002
Census Tract	305000

Owner

Source: Contra Costa County records · APN 066-032-023-5

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	Company Name on File
Mailing Address	501 RAILROAD AVE, PITTSBURG, CA 94565-2304
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Apr 08, 2015 · Amount on Record
Deed Sale	Apr 08, 2015 · Amount on Record
Prior Sale	Dec 14, 1999 · Amount on Record
Deed Doc Number	201565258
Last Transfer Date	Aug 01, 2017
Transfer Doc	0000155222
Record Refreshed	Sep 20, 2026

August 2017: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 25, 2017
Property Address	31 E 6TH ST, ANTIOCH, CA 94509-1807
Document Number	0000155222
Map Reference	PM155 PG48
Instrument Date	Aug 01, 2017
Instrument	2017-155222
Transaction Type	Transfer
Record Updated	Nov 03, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Zero or No Consideration Stated
Additional	Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	501 RAILROAD AVE, PITTSBURG, CA 94565-2304

Mortgage

Document Number	0000155223
Date	Aug 25, 2017
Instrument	2017-155223

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

Type	Adjustable Rate Mortgage (ARM)
Amount	Amount Recorded
Term	361 Months
Due	Sep 01, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.95%
Type Change Date	Sep 01, 2027
Change Frequency	Monthly (Revolving credit lines are monthly unless stated otherwise).
Index	1-Month LIBOR
Max Rate	9.95%

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		$220,648 (+2%) Land $134,842 Building $85,806
2025	$3,537.00 (+6.99%)	$216,323 (+4.04%) Land $132,199 Building $84,124
2023	$3,306.00 (+1.22%)	$207,924 Land $127,066 Building $80,858
2022	$3,266.00