522 W 12th St, Antioch, CA 94509 Property Records

Contra Costa County property record for 522 W 12th St, Antioch, CA 94509 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,195 sqft · built 1929
Lot Size	0.063 acres (2,750 sqft)
Owner	2 Individual Names on File
Last Sale	$99,500 (Jun 1997)
Tax Bill	$2,062 (2025)
Deeds & Mortgages	Mar 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`067-131-013-4`

Property Details

APN / Parcel Number

Primary APN	`067-131-013-4`
Alternative APN	`067-131-013`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,195 sqft Living Area
1st Floor Area	1,195 sqft

Exterior

Year Built	Built 1929
Effective Year Built	Effective 1929
Architectural Style	Bungalow
Roof Material	Composition Shingle
Lot Area	2,750 sqft (0.063 acres)
Garage Type	Attached
Garage Area	205 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	522 W 12TH ST
City	ANTIOCH
State	CA
Zip	94509-2262
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	SOUTH PARK ADDN E 50 FT OF LOT 10 BLK 3
Legal Subdivision	SOUTH PARK ADD
Legal Block	3
Legal Lot Number	10
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	2
Census Block	2003
Census Tract	305000

Owner

Source: Contra Costa County records · APN 067-131-013-4

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 Individual Names on File
Mailing Address	522 W 12TH ST, ANTIOCH, CA 94509-2262
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jun 04, 1997 · Amount on Record
Deed Sale	Jun 04, 1997 · Amount on Record
Prior Sale	Sep 20, 1996 · Amount on Record
Deed Document Number	199796127
Prior Transfer Date	Sep 19, 1996
Prior Transfer Doc	0000176637
Record Updated	Sep 20, 2026

March 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	522 W 12TH ST, ANTIOCH, CA 94509-2262
Document Number	0000046142
Instrument Date	Mar 29, 2019
Transaction Type	Mortgage
Record Updated	May 20, 2019
Title Company	WFG LENDER SERVICES, WFG LENDER SVCS

Transaction

Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	522 W 12TH ST ANTIOCH CA 945092262, ANTIOCH, CA 94509-2262

Mortgage

Document Number	0000046142
Date	Apr 04, 2019
Instrument	46142

Lender

Name	LOANDEPOT.COM LLC
Type	Funding / Finance Company
Address	FOOTHILL RANCH, CA 92610

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Apr 03, 2049

Interest

Rate Type	Adjustable Rate
Rate	4.25%

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		$136,193 (+2%) Land $49,820 Building $86,373
2025	$2,062.00 (+6.56%)	$133,524 (+4.04%) Land $48,844 Building $84,680
2023	$1,935.00 (+1.31%)	$128,342 Land $46,949 Building $81,393
2022	$1,910.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

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

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 605 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
AT&T	Fiber	5,000 / 5,000
Xfinity	Cable	2,000 / 250
Unwired	Fixed Wireless	300 / 25

May also be available at this address: AT&T, Verizon, T-Mobile USA. Availability varies by address; speeds are provider-advertised maximums, not measured.