4131 Mt Isabel Rd, Antioch, CA 94531 Property Records

Contra Costa County property record for 4131 Mt Isabel Rd, Antioch, CA 94531

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,787 sqft · built 2001
Lot Size0.179 acres (7,785 sqft)
OwnerIndividual Name on Record
Tax Bill$7,302 (2025)
Deeds & MortgagesSep 2019 Line of Credit
Jul 2019 Mortgage
+ 2 more
Flood ZoneZone X (minimal risk)
APN055-650-016-3

Property Details

APN / Parcel Number

Primary APN055-650-016-3
Alternative APN
  • 055-650-016

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms10 Rooms
Stories1 Story
Building Area1,787 sqft Living Area
1st Floor Area1,787 sqft

Exterior

Year BuiltBuilt 2001
Effective Year BuiltEffective 2001
Lot Area7,785 sqft (0.179 acres)
Garage TypeAttached
Garage Area453 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address4131 MOUNT ISABEL RD
CityANTIOCH
StateCA
Zip94531-9107
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeA-2
Legal DescriptionT8410 L91
Legal SubdivisionSUBDIVISION 8410
Legal Tract8410
Legal Lot Number91
JurisdictionCONTRA COSTA CA
Township / Civil DivisionTASSAJARA
Census Block Group1
Census Block1002
Census Tract355118

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 RecordIndividual Name on Record
Mailing Address4131 MOUNT ISABEL RD, ANTIOCH, CA 94531-9107
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Sep 5, 2019Deed of Trust, Mortgage · Line of Credit
US BANK NA
Jul 1, 2019Deed of Trust, Mortgage · Conventional Mortgage
UNITED WHOLESALE MORTGAGE
Jan 26, 2022Deed of Trust, Mortgage · Conventional Mortgage
PENNYMAC LOAN SERVICES LLC
Jun 23, 2017Quit Claim Deed, Transfer · FHA Mortgage
LOANDEPOT.COM LLC

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJun 23, 2017
Deed SaleJun 23, 2017
Prior SaleOct 28, 2004 · Amount on Record
Deed Document Number2017112550
Prior Transfer DateMay 19, 2017
Prior Transfer Doc0000112550
Record UpdatedOct 29, 2026

September 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address4131 MOUNT ISABEL RD, ANTIOCH, CA 94531-9107
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanySOLIDIFI TITLE COMPANY OF CA

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000145129
DateSep 5, 2019
Instrument2019-145129
Lender
NameUS BANK NA
TypeBank
AddressCINCINNATI, OH 45202
Agreement
TypeLine of Credit
AmountAmount Recorded
Term359 Months
DueAug 2, 2049
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

July 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address4131 MOUNT ISABEL RD, ANTIOCH, CA 94531-9107
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyLAWYERS TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000100590
DateJul 1, 2019
Instrument2019-100590
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
AddressPONTIAC, MI 48341
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term359 Months
DueJun 1, 2049

January 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address4131 MOUNT ISABEL RD, ANTIOCH, CA 94531-9107
Transaction TypeMortgage
Record UpdatedNov 3, 2022

Transferred To (Grantee/Buyer)

NameVerified Name
Address4131 MOUNT ISABEL RD, ANTIOCH, CA 94531-9107

Mortgage

Document Number0000015149
DateJan 26, 2022
Instrument2022-015149
Lender
NamePENNYMAC LOAN SERVICES LLC
TypeMortgage Company
AddressWESTLAKE VILLAGE, CA 91361
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term349 Months
DueFeb 1, 2051

June 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateJun 23, 2017
Property Address4131 MOUNT ISABEL RD, ANTIOCH, CA 94531-9107
Document Number0000112550
Instrument DateMay 19, 2017
Instrument112550
Transaction TypeTransfer
Record UpdatedJul 7, 2017
Title CompanyWFG LENDER SERVICES, WFG LENDER SVCS

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address4131 MOUNT ISABEL RD ANTIOCH CA 945319107, ANTIOCH, CA 94531-9107

Mortgage

Document Number112551
DateJun 23, 2017
Instrument112551
Lender
NameLOANDEPOT.COM LLC
TypeFunding / Finance Company
AddressFOOTHILL RANCH, CA 92610
Agreement
TypeFHA Mortgage
AmountAmount Recorded
Term360 Months
DueJun 22, 2047

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityAntioch City
Unified School DistrictAntioch Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$639,783 (+2%) Land $312,784 Building $326,999
2025$7,302.00 (+6%)$627,239 (+4.04%) Land $306,651 Building $320,588
2023$6,889.00 (+1.61%)$602,885 Land $294,745 Building $308,140
2022$6,780.00

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 ZoneZone X
minimal risk
Flood Insurance RequirementNot 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 RiskLow
lower than 67% of the US · lower than 81% of California
Wildfire Likelihood0.04% annual chance
ExposureIndirect
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 SystemCITY OF ANTIOCH
serves 116,781 people · EPA ID CA0710001
Water SourceSurface water
Last State InspectionJan 2024
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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

ProviderMax 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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