4147 Mt Isabel Rd, Antioch, CA 94531 Property Records

Contra Costa County property record for 4147 Mt Isabel Rd, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,179 sqft · built 2001
Lot Size	0.172 acres (7,483 sqft)
Owner	2 Individual Names on File
Last Sale	$630,000 (Nov 2022)
Tax Bill	$7,598 (2025)
Deeds & Mortgages	Nov 2022 Transfer Nov 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`055-650-020-5`

Property Details

APN / Parcel Number

Primary APN	`055-650-020-5`
Alternative APN	`055-650-020`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,179 sqft Living Area
1st Floor Area	1,075 sqft
2nd Floor Area	1,104 sqft

Exterior

Year Built	Built 2001
Effective Year Built	Effective 2001
Lot Area	7,483 sqft (0.172 acres)
Garage Type	Attached
Garage Area	514 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	4147 MOUNT ISABEL RD
City	ANTIOCH
State	CA
Zip	94531-9107
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	A-2
Legal Description	T8410 L95
Legal Subdivision	SUBDIVISION 8410
Legal Tract	8410
Legal Lot Number	95
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	TASSAJARA
Census Block Group	1
Census Block	1002
Census Tract	355118

Owner

4147 Mt Isabel Rd is owned and occupied by two individuals who bought it in November 2022.

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

Owner of Record	2 Individual Names on File
Mailing Address	4147 MOUNT ISABEL RD, ANTIOCH, CA 94531-9107
Occupancy	Owner Occupied
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
Nov 2, 2022	Quit Claim Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY
Nov 2, 2022	Grant Deed, Transfer · Seller Carry-Back MISSION LOANS LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 2, 2022 · Amount on File
Deed Sale	Nov 2, 2022 · Amount on File
Prior Sale	Dec 29, 2015 · Amount on File
Deed Document Number	2022168991
Prior Transfer Date	Oct 28, 2022
Prior Transfer Doc	0000168992
Record Updated	Sep 20, 2026

November 2022: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 2, 2022
Property Address	4147 MOUNT ISABEL RD, ANTIOCH, CA 94531-9107
Document Number	0000168992
Map Reference	MB 424 PG 45
Instrument Date	Oct 28, 2022
Instrument	2022-168992
Transaction Type	Transfer
Record Updated	Nov 10, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4147 MOUNT ISABEL RD, ANTIOCH, CA 94531-9107

November 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 2, 2022
Property Address	4147 MOUNT ISABEL RD, ANTIOCH, CA 94531-9107
Document Number	0000168991
Map Reference	MB 424 PG 45
Instrument Date	Oct 27, 2022
Instrument	2022-168991
Transaction Type	Transfer
Record Updated	Nov 10, 2022
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
Relationship	Tenants in Common
Address	4147 MOUNT ISABEL RD, ANTIOCH, CA 94531-9107

Mortgage

Document Number	0000168993
Date	Nov 2, 2022
Instrument	2022-168993

Lender

Name	MISSION LOANS LLC
Type	Seller

Agreement

Type	Seller Carry-Back
Amount	Amount on Record
Term	360 Months
Due	Nov 1, 2052

Tax Assessment & Valuation

The 2025 property tax bill for 4147 Mt Isabel Rd was $7,598.

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		$668,560 (+2%) Land $275,914 Building $392,646
2025	$7,598.00	$655,452 Land $270,504 Building $384,948
2023	$7,168.00 (+37.4%)	$630,000 Land $260,000 Building $370,000
2022	$5,217.00

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

Flood

FEMA maps place 4147 Mt Isabel Rd 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 4147 Mt Isabel Rd is moderate, ranking above 44% of the US, with a 0.09% annual chance of wildfire.

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

Wildfire Risk	Moderate above 44% of the US · lower than 74% of California
Wildfire Likelihood	0.09% annual chance
Exposure	Indirect 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 675 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250

May also be available: Unwired.

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