1801 C St, Antioch, CA 94509 Property Records

Contra Costa County property record for 1801 C St, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,365 sqft · built 1955
Lot Size	0.114 acres (4,959 sqft)
Owner	2 Individual Names on File
Last Sale	$505,000 (Apr 2024)
Tax Bill	$6,335 (2025)
Deeds & Mortgages	Apr 2024 Sale & Mortgage Dec 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`067-246-001-1`

Property Details

APN / Parcel Number

Primary APN	`067-246-001-1`
Alternative APN	`067-246-001`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,365 sqft Living Area
Gross Area	1,739 sqft
1st Floor Area	1,365 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1965
Architectural Style	Ranch
Exterior Material	Wood Siding
Roof Material	Other
Lot Area	4,959 sqft (0.114 acres)
Garage Type	Attached
Garage Area	374 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Wall Unit
Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	1801 C ST
City	ANTIOCH
State	CA
Zip	94509-2546
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	BASSETT SUBN POR LOTS 46 & 47
Legal Subdivision	BASSETT SUB
Legal Lot Number	46,47
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	2
Census Block	2015
Census Tract	305000

Owner

1801 C St is owned and occupied by two individuals who bought it in April 2024.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record	2 Individual Names on File
Mailing Address	1801 C ST, ANTIOCH, CA 94509-2546
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Apr 30, 2024	Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Dec 3, 2021	Deed of Trust, Mortgage · VA Mortgage ROCKET MORTGAGE LLC
Mar 22, 2021	Grant Deed, Transfer · VA Mortgage CARDINAL FINANCIAL COMPANY LP

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 30, 2024 · Amount on File
Deed Sale	Apr 30, 2024 · Amount on File
Prior Sale	Mar 22, 2021 · Amount on File
Deed Document Number	202439961
Prior Transfer Date	Mar 23, 2007
Prior Transfer Doc	0000093236
Record Updated	Oct 29, 2026

April 2024: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 30, 2024
Property Address	1801 C ST, ANTIOCH, CA 94509-2546
Document Number	0000039961
Map Reference	MB 22 PG 658&659
Instrument Date	Apr 22, 2024
Instrument	2024-039961
Transaction Type	Transfer
Record Updated	May 9, 2024
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	1801 C ST, ANTIOCH, CA 94509-2546

Mortgage

Document Number	0000039962
Date	Apr 30, 2024
Instrument	2024-039962

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2054

December 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	1801 C ST, ANTIOCH, CA 94509-2546
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	WFG NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1801 C ST, ANTIOCH, CA 94509-2546

Mortgage

Document Number	0000330476
Date	Dec 3, 2021
Instrument	2021-330476

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	VA Mortgage
Amount	Amount on Record
Term	360 Months
Due	Dec 1, 2051

March 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 22, 2021
Property Address	1801 C ST, ANTIOCH, CA 94509-2546
Document Number	0000086102
Map Reference	MB 22 PG 658&659
Instrument Date	Mar 17, 2021
Instrument	2021-086102
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1801 C ST, ANTIOCH, CA 94509-2546

Mortgage

Document Number	0000086103
Date	Mar 22, 2021
Instrument	2021-086103

Lender

Name	CARDINAL FINANCIAL COMPANY LP
Type	Mortgage Company

Agreement

Type	VA Mortgage
Amount	Amount on Record
Term	361 Months
Due	Apr 1, 2051

Tax Assessment & Valuation

The 2025 property tax bill for 1801 C St was $6,335.

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		$525,402 (+2%) Land $260,100 Building $265,302
2025	$6,335.00	$515,100 Land $255,000 Building $260,100
2023	$5,870.00 (+1.59%)	$480,664 Land $249,696 Building $230,968
2022	$5,778.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 1801 C St in Zone X, an area of minimal flood risk.

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

The area around 1801 C St has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within 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 754 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25

May also be available: T-Mobile, Verizon.

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