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4505 Thoroughbred Ct, Antioch, CA 94531 Property Records

Contra Costa County property record for 4505 Thoroughbred Ct, Antioch, CA 94531

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 2,916 sqft · built 1999
Lot Size0.19 acres (8,280 sqft)
Owner2 Individual Names on Record
Last Sale$455,000 (Sep 2003)
Tax Bill$7,509 (2025)
Deeds & MortgagesAug 2020 Line of Credit
Jan 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN053-570-039-7

Property Details

APN / Parcel Number

Primary APN053-570-039-7
Alternative APN
  • 053-570-039

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms12 Rooms
Stories2 Stories
Building Area2,916 sqft Living Area
1st Floor Area1,811 sqft
2nd Floor Area1,105 sqft

Exterior

Year BuiltBuilt 1999
Effective Year BuiltEffective 2000
Lot Area8,280 sqft (0.19 acres)
Garage TypeAttached
Garage Area508 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address4505 THOROUGHBRED CT
CityANTIOCH
StateCA
Zip94531-9316
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning Code?
Legal DescriptionT7459 L564
Legal SubdivisionSUBDIVISION 7459
Legal Tract7459
Legal Lot Number564
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group4
Census Block4007
Census Tract302009

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 Record2 Individual Names on Record
Mailing Address4505 THOROUGHBRED CT, ANTIOCH, CA 94531-9316
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Aug 6, 2020Deed of Trust, Mortgage · Line of Credit
PATELCO CU
Jan 6, 2020Deed of Trust, Mortgage · Conventional Mortgage
TRAVIS CU

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 4, 2003 · Amount on Record
Deed SaleSep 4, 2003 · Amount on Record
Prior SaleApr 28, 2000 · Amount on Record
Deed Document Number2003439417
Record UpdatedOct 29, 2026

August 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address4505 THOROUGHBRED CT, ANTIOCH, CA 94531-9316
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyACCOMMODATION

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000164584
DateAug 6, 2020
Instrument2020-164584
Lender
NamePATELCO CU
TypeCredit Union
AddressDUBLIN, CA 94568
Agreement
TypeLine of Credit
AmountAmount Recorded
Term300 Months
DueAug 30, 2045
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

January 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address4505 THOROUGHBRED CT, ANTIOCH, CA 94531-9316
Document Number0000006823
Instrument DateJan 6, 2020
Transaction TypeMortgage
Record UpdatedJan 30, 2020
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address4505 THOROUGHBRED CT ANTIOCH CA 945319316, ANTIOCH, CA 94531-9316

Mortgage

Document Number0000006823
DateJan 14, 2020
Instrument6823
Lender
NameTRAVIS CU
AddressVACAVILLE, CA 95687
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueJan 13, 2050

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$662,014 (+2%) Land $152,266 Building $509,748
2025$7,509.00 (+6%) Homeowner's exemption$649,034 (+4.04%) Land $149,281 Building $499,753
2023$7,084.00 (+1.62%) Homeowner's exemption$623,833 Land $143,485 Building $480,348
2022$6,971.00

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies2 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

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

Wildfire RiskNot rated
no burnable land 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 566 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
T-Mobile
Fixed Wireless		100 / 20
AT&T
DSL · Fiber, Fixed Wireless in parts of the area		100 / 20

May also be available: Verizon.

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