610 W 4th St, Antioch, CA 94509 Property Records

Contra Costa County property record for 610 W 4th St, Antioch, CA 94509 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	1,247 sqft · built 1915
Lot Size	0.08 acres (3,500 sqft)
Owner	Individual Name on File
Last Sale	$192,500 (Aug 2015)
Tax Bill	$3,116 (2025)
Deeds & Mortgages	Oct 2021 Second Mortgage
Flood Zone	Zone X (minimal risk)
APN	`066-062-004-8`

Property Details

APN / Parcel Number

Primary APN	`066-062-004-8`
Alternative APN	`066-062-004`

Interior

Total Rooms	1 Room
Stories	1 Story
Building Area	1,247 sqft Living Area
1st Floor Area	1,247 sqft

Exterior

Year Built	Built 1915
Effective Year Built	Effective 1964
Exterior Material	Stucco
Construction Type	Frame
Roof Type	Gable
Roof Material	Tile
Lot Area	3,500 sqft (0.08 acres)
Lot Dimensions	50 ft deep x 70 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Street Address	610 W 4TH ST
City	ANTIOCH
State	CA
Zip	94509-1249
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TOWN OF ANTIOCH S 70 FT OF LOT 10 BLK 10
Legal Subdivision	ANTIOCH
Legal Block	10
Legal Lot Number	10
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	3
Census Block	3028
Census Tract	305000

Owner

Source: Contra Costa County records · APN 066-062-004-8

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	Individual Name on File
Mailing Address	610 W 4TH ST, ANTIOCH, CA 94509-1249
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Aug 06, 2015 · Amount on Record
Deed Sale	Aug 06, 2015 · Amount on Record
Prior Sale	Jun 16, 2006 · Amount on Record
Deed Document Number	2015163589
Prior Transfer Date	Oct 18, 2013
Prior Transfer Doc	0000257216
Record Updated	Sep 20, 2026

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	610 W 4TH ST, ANTIOCH, CA 94509-1249
Transaction Type	Mortgage
Record Updated	Nov 03, 2022
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	610 W 4TH ST, ANTIOCH, CA 94509-1249

Mortgage

Document Number	0000282298
Date	Oct 13, 2021
Instrument	2021-282298

Lender

Name	SPRING EQ LLC
Type	Mortgage Company
Address	PHILADELPHIA, PA 19104

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 01, 2051

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		$232,429 (+2%) Land $90,556 Building $141,873
2025	$3,116.00 (+5.81%)	$227,873 (+4.04%) Land $88,781 Building $139,092
2023	$2,945.00 (+1.45%)	$219,027 Land $85,335 Building $133,692
2022	$2,903.00

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 060133050003, 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
Nearby Flood Policies	5 in force
Nearby Flood Claims	1 (2017)
Most Recent Claim	Feb 2017, other causes, Severe Winter Storms, Flooding, And Mudslides

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 374 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
AT&T	Fiber	5,000 / 5,000
Xfinity	Cable	2,000 / 250
Unwired	Fixed Wireless	300 / 25

May also be available at this address: Verizon, T-Mobile USA, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.