421 W 19th St, Antioch, CA 94509 Property Records

Contra Costa County property record for 421 W 19th St, Antioch, CA 94509

Property Summary

Property Type	Single Family Home
Details	5 bd · 3.5 ba · 1,823 sqft · built 1988
Lot Size	0.157 acres (6,850 sqft)
Owner	Company Name on File
Last Sale	$400,000 (Sep 2022)
Tax Bill	$4,069 (2025)
Deeds & Mortgages	May 2018 Mortgage Aug 2019 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`067-223-034-9`

Property Details

APN / Parcel Number

Primary APN	`067-223-034-9`
Alternative APN	`067-223-034`

Interior

Bedrooms	5 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	1 Story
Building Area	1,823 sqft Living Area
Gross Area	1,118 sqft
1st Floor Area	1,118 sqft

Exterior

Year Built	Built 1988
Effective Year Built	Effective 2003
Lot Area	6,850 sqft (0.157 acres)
Garage Type	Attached
Garage Area	480 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	421 W 19TH ST
City	ANTIOCH
State	CA
Zip	94509-2503
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R6
Legal Description	PCL MAP 126 PG 29 PCL B
Legal Subdivision	PM MS11-86
Legal Tract	126PM29
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	2
Census Block	2013
Census Tract	305000

Owner

421 W 19th St is owned by a company that bought it in September 2022.

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

Owner of Record	Company Name on File
Mailing Address	421 W 19TH ST, ANTIOCH, CA 94509-2503
Owner Type	Company

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
May 18, 2018	Deed of Trust, Mortgage · ARM FIRST REPUBLIC BANK
Aug 8, 2019	Quit Claim Deed, Mortgage · Conventional Mortgage LAND HM FIN'L SVCS INC
Jul 30, 2019	Correction Deed OLD REPUBLIC TITLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 30, 2022 · Amount on File
Deed Sale	Sep 30, 2022 · Amount on File
Prior Sale	Jul 18, 2012 · Amount on File
Deed Document Number	2022148576
Prior Transfer Date	Dec 21, 2018
Prior Transfer Doc	0000118234
Record Updated	Oct 29, 2026

May 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	423 W 19TH ST, ANTIOCH, CA 94509-2503
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000078936
Date	May 18, 2018
Instrument	2018-078936

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2048

Interest

Rate Type	Adjustable Rate
Rate	4.55%
Type Change Date	Jun 1, 2025
Change Frequency	Monthly
Min Rate At Change	2.65%
Max Rate At Change	9.95%
Index	1-Month LIBOR
Max Rate	9.95%

August 2019: Quit Claim Deed, Mortgage

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 8, 2019
Property Address	423 W 19TH ST, ANTIOCH, CA 94509-2503
Document Number	0000125786
Instrument Date	Aug 2, 2019
Instrument	125786
Transaction Type	Mortgage
Record Updated	Aug 16, 2019
Title Company	OLD REPUBLIC TITLE

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	421 W 19TH ST ANTIOCH CA 945092503, ANTIOCH, CA 94509-2503

Mortgage

Document Number	125787
Date	Aug 8, 2019
Instrument	125787

Lender

Name	LAND HM FIN'L SVCS INC
Address	CONCORD, CA 94520

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Aug 7, 2049

July 2019: Correction Deed

Document Type	Correction Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 30, 2019
Property Address	423 W 19TH ST, ANTIOCH, CA 94509-2503
Document Number	0000118234
Instrument Date	Dec 21, 2018
Instrument	118234
Record Updated	Aug 12, 2019
Title Company	OLD REPUBLIC TITLE

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	421 W 19TH ST ANTIOCH CA 945092503, ANTIOCH, CA 94509-2503

Tax Assessment & Valuation

The 2025 property tax bill for 421 W 19th St was $4,069.

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		$403,877 (+52.55%) Land $220,507 Building $183,370
2025	$4,069.00	$264,745 Land $86,193 Building $178,552
2023	$3,816.00 (+1.3%)	$254,466 Land $82,847 Building $171,619
2022	$3,767.00

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

Flood

FEMA maps place 421 W 19th 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

Wildfire risk around 421 W 19th St is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 99.1% of the US · lower than 99.2% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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 W 19th St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

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