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4722 Koala Ct, Antioch, CA 94531 Property Records

Contra Costa County property record for 4722 Koala Ct, Antioch, CA 94531

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 2,144 sqft · built 1996
Lot Size0.138 acres (6,000 sqft)
Owner2 Company Names on Record
Last Sale$241,000 (Feb 2010)
Tax Bill$4,057 (2025)
Deeds & MortgagesMay 2023 Transfer
Flood ZoneZone X (minimal risk)
APN053-470-025-7

Property Details

APN / Parcel Number

Primary APN053-470-025-7
Alternative APN
  • 053-470-025

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms9 Rooms
Stories2 Stories
Building Area2,144 sqft Living Area
1st Floor Area1,113 sqft
2nd Floor Area1,031 sqft

Exterior

Year BuiltBuilt 1996
Effective Year BuiltEffective 1997
Lot Area6,000 sqft (0.138 acres)
Garage TypeAttached
Garage Area437 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address4722 KOALA CT
CityANTIOCH
StateCA
Zip94531-8913
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT7286 L635
Legal SubdivisionSUBDIVISION 7286
Legal Tract7286
Legal Lot Number635
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 Record2 Company Names on Record
Mailing Address339 DAVIS ST, NORTHBOROUGH, MA 01532-2451
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 4, 2010 · Amount on Record
Deed SaleFeb 4, 2010 · Amount on Record
Prior SaleAug 7, 2009 · Amount on Record
Deed Document Number201023460
Prior Transfer DateApr 3, 2007
Prior Transfer Doc0000114484
Record UpdatedOct 29, 2026

May 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateMay 25, 2023
Property Address4722 KOALA CT, ANTIOCH, CA 94531-8913
Document Number0000049691
Map ReferenceMB 371 PG 21
Instrument DateMar 23, 2023
Instrument2023-049691
Transaction TypeTransfer
Record UpdatedJun 7, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address339 DAVIS ST, NORTHBOROUGH, MA 01532-2451

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$317,295 (+2%) Land $46,074 Building $271,221
2025$4,057.00 (+6.23%)$311,074 (+4.04%) Land $45,171 Building $265,903
2023$3,819.00 (+1.43%)$298,997 Land $43,418 Building $255,579
2022$3,765.00

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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