4107 Mt Isabel Rd, Antioch, CA 94531 Property Records

Contra Costa County property record for 4107 Mt Isabel Rd, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,997 sqft · built 2001
Lot Size	0.129 acres (5,635 sqft)
Owner	Individual Name on Record
Last Sale	$207,000 (Aug 2011)
Tax Bill	$3,371 (2025)
Deeds & Mortgages	Jan 2017 Line of Credit May 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`055-650-010-6`

Property Details

APN / Parcel Number

Primary APN	`055-650-010-6`
Alternative APN	`055-650-010`

Interior

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

Exterior

Year Built	Built 2001
Effective Year Built	Effective 2001
Lot Area	5,635 sqft (0.129 acres)
Garage Type	Attached
Garage Area	478 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	4107 MOUNT ISABEL RD
City	ANTIOCH
State	CA
Zip	94531-9107
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T8410 L85
Legal Subdivision	SUBDIVISION 8410
Legal Tract	8410
Legal Lot Number	85
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	TASSAJARA
Census Block Group	1
Census Block	1002
Census Tract	355118

Owner

Source: Contra Costa County records, as of July 14, 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 Record
Mailing Address	4107 MOUNT ISABEL RD, ANTIOCH, CA 94531-9107
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single Person

Deeds, Mortgages & Sale History

Date	Document
Jan 4, 2017	Deed of Trust, Mortgage · Line of Credit TRAVIS CU
May 7, 2020	Deed of Trust, Mortgage · Conventional Mortgage TRAVIS CU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 22, 2011 · Amount on Record
Deed Sale	Aug 22, 2011 · Amount on Record
Prior Sale	Dec 28, 2001 · Amount on Record
Deed Document Number	2011170479
Prior Transfer Date	Aug 15, 2011
Prior Transfer Doc	0000170480
Record Updated	Oct 29, 2026

January 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4107 MOUNT ISABEL RD, ANTIOCH, CA 94531-9107
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	ACCOMMODATION

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000001445
Date	Jan 4, 2017
Instrument	2017-001445

Lender

Name	TRAVIS CU
Type	Credit Union
Address	VACAVILLE, CA 95687

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	301 Months
Due	Feb 2, 2042

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

May 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4107 MOUNT ISABEL RD, ANTIOCH, CA 94531-9107
Document Number	0000092338
Instrument Date	May 7, 2020
Transaction Type	Mortgage
Record Updated	May 25, 2020
Title Company	FIDELITY NATIONAL TITLE, FIDELITY TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	4107 MOUNT ISABEL RD ANTIOCH CA 945319107, ANTIOCH, CA 94531-9107

Mortgage

Document Number	0000092338
Date	May 15, 2020
Instrument	92338

Lender

Name	TRAVIS CU
Address	VACAVILLE, CA 95687

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 14, 2050

Tax Assessment & Valuation

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		$265,190 (+2%) Land $64,051 Building $201,139
2025	$3,371.00 (+6.58%) Homeowner's exemption	$259,992 (+4.04%) Land $62,796 Building $197,196
2023	$3,163.00 (+1.44%) Homeowner's exemption	$249,898 Land $60,358 Building $189,540
2022	$3,118.00

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

Flood

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

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

Wildfire Risk	Low lower than 67% of the US · lower than 81% of California
Wildfire Likelihood	0.04% 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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