419 W 9th St, Antioch, CA 94509 Property Records

Contra Costa County property record for 419 W 9th St, Antioch, CA 94509

Property Summary

Property Type	Multi-Family Dwellings
Details	4 bd · 2.5 ba · 1,640 sqft · built 1925
Lot Size	0.115 acres (5,000 sqft)
Owner	2 Company Names on File
Last Sale	$499,000 (Apr 2019)
Tax Bill	$7,430 (2025)
Deeds & Mortgages	Jun 2025 Transfer Jun 2025 Second Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`066-208-008-4`

Property Details

APN / Parcel Number

Primary APN	`066-208-008-4`
Alternative APN	`066-208-008`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,640 sqft Living Area
Gross Area	912 sqft
1st Floor Area	912 sqft

Exterior

Year Built	Built 1925
Effective Year Built	Effective 1925
Architectural Style	Multi-Family
Lot Area	5,000 sqft (0.115 acres)
Garage Type	Attached
Garage Area	513 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	419 W 9TH ST, 421
City	ANTIOCH
State	CA
Zip	94509-1642
Property Category	Residential
Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Local Zoning Code	R2
Legal Description	TOWN OF ANTIOCH LOT 5 BLK 113
Legal Subdivision	ANTIOCH
Legal Block	113
Legal Lot Number	5
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	3
Census Block	3058
Census Tract	305000

Owner

419 W 9th St is owned by a company that bought it in April 2019.

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

Owner of Record	2 Company Names on File
Mailing Address	5157 TWINCREEK CT, ANTIOCH, CA 94531-8152
Owner Type	Company
Vesting	Life Tenant

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
Jun 9, 2025	Intrafamily Transfer, Transfer CHICAGO TITLE COMPANY
Jun 9, 2025	Intrafamily Transfer, Transfer · Stand-Alone Second Mortgage OCMBC INC
Jun 9, 2025	Intrafamily Transfer, Transfer CHICAGO TITLE COMPANY
Apr 10, 2019	Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 10, 2019 · Amount on File
Deed Sale	Apr 10, 2019 · Amount on File
Prior Sale	Dec 31, 2013 · Amount on File
Deed Document Number	201949745
Prior Transfer Date	Aug 21, 1996
Prior Transfer Doc	0000161156
Record Updated	Oct 29, 2026

June 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 9, 2025
Property Address	419 W 9TH ST, ANTIOCH, CA 94509-1642
Document Number	0000057840
Instrument Date	Jun 6, 2025
Instrument	2025- 057840
Transaction Type	Transfer
Record Updated	Dec 19, 2025
Title Company	CHICAGO TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5157 TWINCREEK CT, ANTIOCH, CA 94531-8152

June 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 9, 2025
Property Address	419 W 9TH ST, ANTIOCH, CA 94509-1642
Document Number	0000057838
Instrument Date	Jun 6, 2025
Instrument	2025- 057838
Transaction Type	Transfer
Record Updated	Dec 19, 2025
Title Company	CHICAGO TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	5157 TWINCREEK CT, ANTIOCH, CA 94531-8152

Mortgage

Document Number	0000057839
Date	Jun 9, 2025
Instrument	2025- 057839

Lender

Name	OCMBC INC
Type	Mortgage Company

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jul 1, 2055

June 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 9, 2025
Property Address	419 W 9TH ST, ANTIOCH, CA 94509-1642
Document Number	0000057837
Instrument Date	Jun 6, 2025
Instrument	2025- 057837
Transaction Type	Transfer
Record Updated	Dec 19, 2025
Title Company	CHICAGO TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	5157 TWINCREEK CT, ANTIOCH, CA 94531-8152

April 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 10, 2019
Property Address	419-421 W 9TH ST # 421, 421, ANTIOCH, CA 94509
Document Number	0000049745
Instrument Date	Apr 8, 2019
Instrument	2019-049745
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	NORTH AMERICAN TITLE CO

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	PO BOX 33, ANTIOCH, CA 94509-0003

Mortgage

Document Number	0000049746
Date	Apr 10, 2019
Instrument	2019-049746

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2049

Tax Assessment & Valuation

The 2025 property tax bill for 419 W 9th St was $7,430.

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		$573,184 (+2%) Land $301,523 Building $271,661
2025	$7,430.00	$561,946 Land $295,611 Building $266,335
2023	$7,040.00 (+1.54%)	$540,127 Land $284,133 Building $255,994
2022	$6,933.00

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

Flood

FEMA maps place 419 W 9th St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2017.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	5 in force
Nearby Flood Claims	1 (2017)
Most Recent Claim	Feb 2017 · Severe Winter Storms, Flooding, And Mudslides

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.

Wildfire

The area around 419 W 9th 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 605 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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