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4715 Koala Ct, Antioch, CA 94531 Property Records

Contra Costa County property record for 4715 Koala Ct, Antioch, CA 94531

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 1,664 sqft · built 1996
Lot Size0.106 acres (4,620 sqft)
OwnerCompany Name on Record
Last Sale$365,000 (Feb 2016)
Tax Bill$5,321 (2025)
Deeds & MortgagesDec 2020 Mortgage
Jan 2017 Transfer
Flood ZoneZone X (minimal risk)
APN053-470-038

Property Details

APN / Parcel Number

Primary APN053-470-038
Alternative APN
  • 053-470-038-0

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms7 Rooms
Stories2 Stories
Building Area1,664 sqft Living Area
1st Floor Area904 sqft
2nd Floor Area760 sqft

Exterior

Year BuiltBuilt 1996
Effective Year BuiltEffective 1997
Lot Area4,620 sqft (0.106 acres)
Garage TypeAttached
Garage Area429 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address4715 KOALA CT
CityANTIOCH
StateCA
Zip94531-8913
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT7286 L648
Legal SubdivisionSUBDIVISION 7286
Legal Tract7286
Legal Lot Number648
JurisdictionCONTRA COSTA CA
Township / Civil DivisionANTIOCH-PITTSBURG
Census Block Group2
Census Block2000
Census Tract355110

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 RecordCompany Name on Record
Mailing Address4715 KOALA CT, ANTIOCH, CA 94531-8913
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Dec 4, 2020Deed of Trust, Mortgage · Conventional Mortgage
GOOGAIN INC
Jan 25, 2017Quit Claim Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed NamesName on Deed
Last SaleFeb 24, 2016 · Amount on Record
Deed SaleFeb 24, 2016 · Amount on Record
Prior SaleDec 12, 2014 · Amount on Record
Deed Document Number201631337
Last Transfer DateJan 21, 2017
Transfer Doc0000015580
Record UpdatedOct 29, 2026

December 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address4715 KOALA CT, ANTIOCH, CA 94531-8913
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyFIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address18 GARY CT, OAKLEY, CA 94561-3993

Mortgage

Document Number0000303535
DateDec 4, 2020
Instrument2020-303535
Lender
NameGOOGAIN INC
TypeMortgage Company
AddressSUNNYVALE, CA 94086
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueDec 1, 2050

January 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateJan 25, 2017
Property Address4715 KOALA CT, ANTIOCH, CA 94531-8913
Document Number0000015580
Instrument DateJan 21, 2017
Instrument15580
Transaction TypeTransfer
Record UpdatedFeb 7, 2017
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address234 DELANO AVE SAN FRANCISCO CA 941122524, SAN FRANCISCO, CA 94112-2524

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$440,720 (+2%) Land $132,818 Building $307,902
2025$5,321.00 (+6.08%)$432,079 (+4.04%) Land $130,214 Building $301,865
2023$5,016.00 (+1.52%)$415,303 Land $125,158 Building $290,145
2022$4,941.00

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 94% of the US · lower than 96% of California
Wildfire Likelihood0.01% annual chance
ExposureDirect
burnable vegetation

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 174 locations within half a mile, as of December 31, 2025

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

May also be available: T-Mobile, Unwired.

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