820 W 11th St, Antioch, CA 94509 Property Records

Contra Costa County property record for 820 W 11th St, Antioch, CA 94509 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,132 sqft · built 1947
Lot Size	0.155 acres (6,750 sqft)
Owner	2 Individual Names on File
Last Sale	$59,500 (Sep 2024)
Tax Bill	$2,593 (2025)
Flood Zone	Zone X (minimal risk)
APN	`067-032-011-8`

Property Details

APN / Parcel Number

Primary APN	`067-032-011-8`
Alternative APN	`067-032-011`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,132 sqft Living Area
1st Floor Area	1,132 sqft

Exterior

Year Built	Built 1947
Effective Year Built	Effective 1960
Architectural Style	Ranch
Exterior Material	Wood Siding
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	6,750 sqft (0.155 acres)
Lot Dimensions	135 ft deep x 50 ft wide

Utilities, Heating & Cooling

Heating System	Floor/Wall Furnace
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	820 W 11TH ST
City	ANTIOCH
State	CA
Zip	94509-1511
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	HOOPERS ADDN LOT 13 BLK E
Legal Subdivision	HOOPERS ADD
Legal Block	E
Legal Lot Number	13
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	4
Census Block	4021
Census Tract	305000

Owner

Source: Contra Costa County records · APN 067-032-011-8

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	820 W 11TH ST, ANTIOCH, CA 94509-1511
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	Sep 03, 2024 · Amount on Record
Deed Sale	Sep 03, 2024 · Amount on Record
Prior Sale	Dec 03, 1993 · Amount on Record
Deed Document Number	202485939
Prior Transfer Date	Mar 04, 2023
Prior Transfer Doc	0000075403
Record Updated	Sep 20, 2026

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		$184,008 (+2%) Land $86,660 Building $97,348
2025	$2,593.00 (+6.05%)	$180,401 (+4.04%) Land $84,961 Building $95,440
2023	$2,445.00 (+1.41%)	$173,398 Land $81,663 Building $91,735
2022	$2,411.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133050004, refreshed September 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
Flood Insurance Cost	Premium on Record median of 5 individual NFIP policies nearby
Nearby Flood Policies	5 in force 4 of 5 on primary residences

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; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.