4155 Mt Isabel Rd, Antioch, CA 94531 Property Records

Contra Costa County property record for 4155 Mt Isabel Rd, Antioch, CA 94531 · Last verified July 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	2.5 Baths
Year Built	Built 2001
Square Footage	1,997 sqft Living Area
Lot Size	8,864 sqft (0.204 acres)
Occupancy	Owner Occupied
Last Sale	$214,000 (2017)
Tax Bill	$5,911.00 (2025)

Owner

Source: Contra Costa County records · APN 055-650-022-1

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	2 Individual Names on File
Mailing Address	4155 MOUNT ISABEL RD, ANTIOCH, CA 94531-9107
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jul 14, 2017 · Amount on Record
Deed Sale	Jul 14, 2017 · Amount on Record
Prior Sale	Apr 04, 2013 · Amount on Record
Deed Doc Number	2017126039
Record Refreshed	Sep 20, 2026

July 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 14, 2017
Property Address	4155 MOUNT ISABEL RD, ANTIOCH, CA 94531-9107
Document Number	0000126039
Map Reference	MB424 PG45
Instrument Date	Jul 06, 2017
Instrument	2017-126039
Transaction Type	Transfer
Record Updated	Nov 03, 2022
Title Company	FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded Values by County
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	4155 MOUNT ISABEL RD, ANTIOCH, CA 94531-9107

Mortgage

Document Number	0000126040
Date	Jul 14, 2017
Instrument	2017-126040

Lender

Name	SIERRA PACIFIC MORTGAGE CO INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Aug 01, 2032

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		$504,850 (+2%) Land $150,874 Building $353,976
2025	$5,911.00 (+6.1%)	$494,952 (+4.04%) Land $147,916 Building $347,036
2023	$5,571.00 (+1.55%)	$475,734 Land $142,173 Building $333,561
2022	$5,486.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 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
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No

Wildfire

Wildfire Risk	Moderate above 45% of the US · above 26% of California
Wildfire Likelihood	About 1 in 1,136 per year
Exposure	Indirect within ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Property Details

APN / Parcel Number

Primary APN	`055-650-022-1`
Alternative APN	`055-650-022`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Partial Baths	1 Partial Baths
Total Rooms	8 Rooms
Building Area	1,997 sqft Living Area
1st Floor	936 sqft 1st Floor
2nd Floor	1,061 sqft 2nd Floor
Stories	2 Stories

Exterior

Year Built	Built 2001
Effective Year Built	Effective 2001
Lot Area	8,864 sqft (0.204 acres)
Parking Spaces	2 Parking Spaces
Garage Type	Attached Garage
Garage Area	478 sqft Garage

Utilities and HVAC

Cooling System	Central Cooling

Location & Zoning

Street Address	4155 MOUNT ISABEL RD
City	ANTIOCH
State	CA
Zip	94531-9107
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	T8410 L97
Legal Subdivision	SUBDIVISION 8410
Legal Tract	8410
Legal Lot Number	97
Jurisdiction	CONTRA COSTA CA
Minor Civil Division	TASSAJARA
Census Blockgroup	1
Census Block	1002
Census Tract	355118