4650 Imperial St, Antioch, CA 94531 Property Records

Contra Costa County property record for 4650 Imperial St, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 3,002 sqft · built 2006
Lot Size	0.245 acres (10,652 sqft)
Owner	2 Individual Names on File
Last Sale	$300,000 (Feb 2021)
Tax Bill	$8,127 (2025)
Deeds & Mortgages	Jan 2023 Transfer Jan 2023 Line of Credit + 2 more
Flood Zone	Zone X (minimal risk)
APN	`052-480-036-4`

Property Details

APN / Parcel Number

Primary APN	`052-480-036-4`
Alternative APN	`052-480-036`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	3,002 sqft Living Area
1st Floor Area	1,597 sqft
2nd Floor Area	1,405 sqft

Exterior

Year Built	Built 2006
Effective Year Built	Effective 2006
Lot Area	10,652 sqft (0.245 acres)
Garage Type	Attached
Garage Area	453 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	4650 IMPERIAL ST
City	ANTIOCH
State	CA
Zip	94531-7180
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T6893 L54
Legal Subdivision	NELSON RANCH #1 SUB 6893
Legal Tract	6893
Legal Lot Number	54
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	1
Census Block	1020
Census Tract	308002

Owner

4650 Imperial St is owned by two individuals who bought it in February 2021.

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

Owner of Record	2 Individual Names on File
Mailing Address	221 FAXON AVE, SAN FRANCISCO, CA 94112-2213
Owner Type	Individual
Vesting	Community Property

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
Jan 18, 2023	Correction Deed FIDELITY NATIONAL TITLE
Jan 18, 2023	Intrafamily Transfer, Transfer · Line of Credit FREMONT BANK
Dec 28, 2020	Quit Claim Deed, Transfer NOT AVAILABLE
Feb 22, 2021	Quit Claim Deed, Transfer · Conventional Mortgage QUICKEN LOANS LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 22, 2021 · Amount on File
Deed Sale	Feb 22, 2021 · Amount on File
Prior Sale	May 16, 2008 · Amount on File
Deed Document Number	202153235
Prior Transfer Date	Apr 25, 2020
Prior Transfer Doc	0000053235
Record Updated	Oct 29, 2026

January 2023: Correction Deed

Document Type	Correction Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 18, 2023
Property Address	4650 IMPERIAL ST, ANTIOCH, CA 94531-7180
Document Number	0000004508
Map Reference	MB 488 PG 1
Instrument Date	Jan 13, 2023
Instrument	2023-004508
Record Updated	Jan 26, 2023
Title Company	FIDELITY NATIONAL TITLE

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	221 FAXON AVE, SAN FRANCISCO, CA 94112-2213

January 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 18, 2023
Property Address	4650 IMPERIAL ST, ANTIOCH, CA 94531-7180
Document Number	0000004509
Map Reference	MB 488 PG 1
Instrument Date	Jan 3, 2023
Instrument	2023-004509
Transaction Type	Transfer
Record Updated	Jan 26, 2023
Title Company	FIDELITY NATIONAL TITLE

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	Community Property
Address	221 FAXON AVE, SAN FRANCISCO, CA 94112-2213

Mortgage

Document Number	0000004510
Date	Jan 18, 2023
Instrument	2023-004510

Lender

Name	FREMONT BANK
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Jan 20, 2053

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

December 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 28, 2020
Property Address	4650 IMPERIAL ST, ANTIOCH, CA 94531-7180
Document Number	0000326077
Instrument Date	May 26, 2020
Instrument	326077
Transaction Type	Transfer
Record Updated	Jan 11, 2021
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Married Couple
Address	221 FAXON AVE SAN FRANCISCO CA 941122213, SAN FRANCISCO, CA 94112-2213

February 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 22, 2021
Property Address	4650 IMPERIAL ST, ANTIOCH, CA 94531-7180
Document Number	0000053235
Map Reference	MB 488 PG 1
Instrument Date	Apr 25, 2020
Instrument	2021-053235
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	AMROCK INC

Transaction

Amount	Amount on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	4650 IMPERIAL ST, ANTIOCH, CA 94531-7180

Mortgage

Document Number	0000053236
Date	Feb 22, 2021
Instrument	2021-053236

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	351 Months
Due	May 1, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 4650 Imperial St was $8,127.

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		$669,304 (+2%) Land $290,032 Building $379,272
2025	$8,127.00	$656,182 Land $284,346 Building $371,836
2023	$9,914.00 (+51.73%)	$630,704 Land $273,305 Building $357,399
2022	$6,534.00

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

Flood

FEMA maps place 4650 Imperial St in Zone X, an area of minimal flood risk.

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	2 in force

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

Wildfire risk around 4650 Imperial 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 99.8% of the US · lower than 99.8% 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 550 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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