4739 Koala Ct, Antioch, CA 94531 Property Records

Contra Costa County property record for 4739 Koala Ct, Antioch, CA 94531

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 1,615 sqft · built 1996
Lot Size	0.106 acres (4,630 sqft)
Owner	2 Individual Names on File
Last Sale	$621,000 (Nov 2021)
Tax Bill	$7,252 (2025)
Deeds & Mortgages	Jun 2019 Mortgage Oct 2020 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`053-470-032-3`

Property Details

APN / Parcel Number

Primary APN	`053-470-032-3`
Alternative APN	`053-470-032`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,615 sqft Living Area
1st Floor Area	817 sqft
2nd Floor Area	798 sqft

Exterior

Year Built	Built 1996
Effective Year Built	Effective 1997
Lot Area	4,630 sqft (0.106 acres)
Garage Type	Attached
Garage Area	440 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	4739 KOALA CT
City	ANTIOCH
State	CA
Zip	94531-8913
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T7286 L642
Legal Subdivision	SUBDIVISION 7266
Legal Tract	7286
Legal Lot Number	642
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	2
Census Block	2000
Census Tract	355110

Owner

4739 Koala Ct is owned and occupied by two individuals who bought it in November 2021.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record	2 Individual Names on File
Mailing Address	4739 KOALA CT, ANTIOCH, CA 94531-8913
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Jun 21, 2019	Deed of Trust, Mortgage · Conventional Mortgage KELLER MORTGAGE LLC
Oct 30, 2020	Deed of Trust, Mortgage · Conventional Mortgage BROKER SOLUTIONS INC
Nov 3, 2021	Grant Deed, Transfer · Conventional Mortgage GOOGAIN INC
Dec 10, 2018	Grant Deed, Transfer · Conventional Mortgage KELLER MORTGAGE LLC
Jun 21, 2019	Correction Deed PLACER TITLE COMPANY, PLACER TITLE CO.

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 3, 2021 · Amount on File
Deed Sale	Nov 3, 2021 · Amount on File
Prior Sale	Dec 10, 2018 · Amount on File
Deed Document Number	2021306787
Prior Transfer Date	Dec 5, 2018
Prior Transfer Doc	0000094428
Record Updated	Oct 29, 2026

June 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4739 KOALA CT, ANTIOCH, CA 94531-8913
Transaction Type	Mortgage
Record Updated	May 30, 2023
Title Company	PLACER TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000094429
Date	Jun 21, 2019
Instrument	2019-094429

Lender

Name	KELLER MORTGAGE LLC
Type	Mortgage Company
Address	DUBLIN, OH 43016

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	355 Months
Due	Jan 1, 2049

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	4739 KOALA CT, ANTIOCH, CA 94531-8913
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	PACIFIC COAST TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4739 KOALA CT, ANTIOCH, CA 94531-8913

Mortgage

Document Number	0000257328
Date	Oct 30, 2020
Instrument	2020-257328

Lender

Name	BROKER SOLUTIONS INC
Type	Mortgage Company
Address	TUSTIN, CA 92780

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2050

November 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 3, 2021
Property Address	4739 KOALA CT, ANTIOCH, CA 94531-8913
Document Number	0000306787
Map Reference	MB 371 PG 21
Instrument Date	Oct 26, 2021
Instrument	2021-306787
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	4739 KOALA CT, ANTIOCH, CA 94531-8913

Mortgage

Document Number	0000306788
Date	Nov 3, 2021
Instrument	2021-306788

Lender

Name	GOOGAIN INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Nov 1, 2051

December 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 10, 2018
Property Address	4739 KOALA CT, ANTIOCH, CA 94531-8913
Document Number	0000197157
Map Reference	MB 371 PG 21
Instrument Date	Dec 5, 2018
Instrument	2018-197157
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	PLACER TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4739 KOALA CT, ANTIOCH, CA 94531-8913

Mortgage

Document Number	0000197158
Date	Dec 10, 2018
Instrument	2018-197158

Lender

Name	KELLER MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jan 1, 2049

June 2019: Correction Deed

Document Type	Correction Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 21, 2019
Property Address	4739 KOALA CT, ANTIOCH, CA 94531-8913
Document Number	0000094428
Instrument Date	Dec 5, 2018
Instrument	94428
Record Updated	Jul 1, 2019
Title Company	PLACER TITLE COMPANY, PLACER TITLE CO.

Transaction

Amount	Amount on Record
Tax	$478.50
Amount Accuracy	Full Value

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4739 KOALA CT ANTIOCH CA 945318913, ANTIOCH, CA 94531-8913

Tax Assessment & Valuation

The 2025 property tax bill for 4739 Koala Ct was $7,252.

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		$603,000 (-2.11%) Land $184,000 Building $419,000
2025	$7,252.00	$616,000 Land $188,471 Building $427,529
2023	$6,740.00 (-5.84%)	$582,000 Land $178,000 Building $404,000
2022	$7,158.00

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

Flood

FEMA maps place 4739 Koala Ct in Zone X, an area of minimal flood risk.

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

Wildfire risk around 4739 Koala Ct is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 94% of the US · lower than 96% of California
Wildfire Likelihood	0.01% annual chance
Exposure	Direct 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 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 174 locations within half a mile, as of December 31, 2025

Provider	Max 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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