1704 C St, Antioch, CA 94509 Property Records

Contra Costa County property record for 1704 C St, Antioch, CA 94509

Property Summary

Property Type	Duplex
Details	2 bd · 2 ba · 1,318 sqft · built 1939
Lot Size	0.126 acres (5,500 sqft)
Owner	Individual Name on File
Last Sale	$480,000 (Mar 2024)
Tax Bill	$6,592 (2025)
Deeds & Mortgages	Mar 2024 Transfer Mar 2024 Sale & Mortgage + 5 more
Flood Zone	Zone X (minimal risk)
APN	`067-244-002-1`

Property Details

APN / Parcel Number

Primary APN	`067-244-002-1`
Alternative APN	`067-244-002`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,318 sqft Living Area
1st Floor Area	1,318 sqft

Exterior

Year Built	Built 1939
Effective Year Built	Effective 1948
Architectural Style	Duplex Single
Lot Area	5,500 sqft (0.126 acres)
Garage Type	Attached
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	1704 C ST
City	ANTIOCH
State	CA
Zip	94509-2545
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	R1
Legal Description	BASSETT SUBN POR LOT 8
Legal Subdivision	BASSETT SUB
Legal Lot Number	8
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	2
Census Block	2006
Census Tract	306003

Owner

1704 C St, a duplex, is owned by an individual who bought it in March 2024.

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

Owner of Record	Individual Name on File
Mailing Address	1706 C ST, ANTIOCH, CA 94509-2545
Owner Type	Individual

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
Mar 5, 2024	Intrafamily Transfer, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY
Mar 5, 2024	Grant Deed, Transfer · Conventional Mortgage CARDINAL FINANCIAL COMPANY LP
May 19, 2021	Intrafamily Transfer, Transfer
May 19, 2021	Intrafamily Transfer, Transfer
Sep 23, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY
Sep 23, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY
Sep 23, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 5, 2024 · Amount on File
Deed Sale	Mar 5, 2024 · Amount on File
Deed Document Number	202420419
Prior Transfer Date	May 14, 2021
Prior Transfer Doc	0000148876
Record Updated	Oct 29, 2026

March 2024: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 5, 2024
Property Address	1704 C ST, ANTIOCH, CA 94509-2545
Document Number	0000020418
Instrument Date	Mar 1, 2024
Instrument	2024-020418
Transaction Type	Transfer
Record Updated	Mar 14, 2024
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1704 AND 1706 C STREET, ANTIOCH, CA 94509-2545

March 2024: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 5, 2024
Property Address	1704 C ST, ANTIOCH, CA 94509-2545
Document Number	0000020419
Instrument Date	Feb 27, 2024
Instrument	2024-020419
Transaction Type	Transfer
Record Updated	Mar 14, 2024
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	1704 AND 1706 C STREET, ANTIOCH, CA 94509-2545

Mortgage

Document Number	0000020420
Date	Mar 5, 2024
Instrument	2024-020420

Lender

Name	CARDINAL FINANCIAL COMPANY LP
Type	Mortgage Company

Agreement

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

May 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	May 19, 2021
Property Address	1704 C ST, ANTIOCH, CA 94509-2545
Document Number	0000148876
Instrument Date	May 14, 2021
Instrument	2021-148876
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	609 TERRA CALIFORNIA DR, WALNUT CREEK, CA 94595-3344

May 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	May 19, 2021
Property Address	1704 C ST, ANTIOCH, CA 94509-2545
Document Number	0000148875
Instrument Date	May 14, 2021
Instrument	2021-148875
Transaction Type	Transfer
Record Updated	Nov 3, 2022

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	609 TERRA CALIFORNIA DR APT 2, 2, WALNUT CREEK, CA 94595-3344

September 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 23, 2019
Property Address	1704 C ST, ANTIOCH, CA 94509-2545
Document Number	0000157535
Instrument Date	Sep 23, 2019
Instrument	157535
Transaction Type	Transfer
Record Updated	Oct 2, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	1879 BRANDYWOOD WAY EL DORADO HILLS CA 957629596, EL DORADO HILLS, CA 95762-9596

September 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 23, 2019
Property Address	1704 C ST, ANTIOCH, CA 94509-2545
Document Number	0000157534
Instrument Date	Sep 18, 2019
Instrument	157534
Transaction Type	Transfer
Record Updated	Oct 2, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	1879 BRANDYWOOD WAY EL DORADO HILLS CA 957629596, EL DORADO HILLS, CA 95762-9596

September 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 23, 2019
Property Address	1704 C ST, ANTIOCH, CA 94509-2545
Document Number	0000157533
Instrument Date	Sep 18, 2019
Instrument	157533
Transaction Type	Transfer
Record Updated	Oct 2, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1879 BRANDYWOOD WAY EL DORADO HILLS CA 957629596, EL DORADO HILLS, CA 95762-9596

Tax Assessment & Valuation

The 2025 property tax bill for 1704 C St was $6,592.

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		$499,391 (+2%) Land $305,877 Building $193,514
2025	$6,592.00	$489,600 Land $299,880 Building $189,720
2023	$1,618.00 (+0.68%)	$56,488 Land $25,881 Building $30,607
2022	$1,607.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 1704 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 1704 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.

Nearby Properties on C St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures