537 Marathon Dr, Oakley, CA 94561 Property Records

Contra Costa County property record for 537 Marathon Dr, Oakley, CA 94561

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,812 sqft · built 2021
Lot Size	0.089 acres (3,872 sqft)
Owner	2 Individual Names on File
Last Sale	$660,000 (Jul 2023)
Tax Bill	$13,930 (2025)
Deeds & Mortgages	Jul 2023 Transfer Jul 2023 Sale + 1 more
Flood Zone	Zone X (reduced by levee)
APN	`032-520-167-1`

Property Details

APN / Parcel Number

Primary APN	`032-520-167-1`
Alternative APN	`032-520-167`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,812 sqft Living Area
1st Floor Area	789 sqft
2nd Floor Area	1,023 sqft

Exterior

Year Built	Built 2021
Effective Year Built	Effective 2021
Lot Area	3,872 sqft (0.089 acres)
Garage Type	Attached
Garage Area	431 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	537 MARATHON DR
City	OAKLEY
State	CA
Zip	94561-1065
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T9473 L130
Legal Subdivision	GILBERT PROP PH 1 9473
Legal Tract	9473
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	1
Census Block	1025
Census Tract	302011

Owner

537 Marathon Dr is owned and occupied by two individuals who bought it in July 2023.

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

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

Owner of Record	2 Individual Names on File
Mailing Address	537 MARATHON DR, OAKLEY, CA 94561-1065
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jul 21, 2023	Intrafamily Transfer, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY
Jul 21, 2023	Grant Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY
Oct 21, 2021	Grant Deed, Subdivision Related Transfer · Conventional Mortgage QUONTIC BANK FSB

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 21, 2023 · Amount on File
Deed Sale	Jul 21, 2023 · Amount on File
Prior Sale	Oct 21, 2021 · Amount on File
Deed Document Number	202369503
Prior Transfer Date	Jul 19, 2023
Prior Transfer Doc	0000069502
Record Updated	Sep 20, 2026

July 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 21, 2023
Property Address	537 MARATHON DR, OAKLEY, CA 94561-1065
Document Number	0000069502
Map Reference	MB 536 PG 1
Instrument Date	Jul 19, 2023
Instrument	2023-069502
Transaction Type	Transfer
Record Updated	Aug 1, 2023
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	537 MARATHON DR, OAKLEY, CA 94561-1065

July 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 21, 2023
Property Address	537 MARATHON DR, OAKLEY, CA 94561-1065
Document Number	0000069503
Map Reference	MB 536 PG 1
Instrument Date	Jul 18, 2023
Instrument	2023-069503
Transaction Type	Transfer
Record Updated	Aug 1, 2023
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount 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	Joint Tenants
Address	537 MARATHON DR, OAKLEY, CA 94561-1065

October 2021: Grant Deed, Subdivision Related Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 21, 2021
Property Address	537 MARATHON DR, OAKLEY, CA 94561-1065
Document Number	0000296847
Map Reference	MB 536 PG 1
Instrument Date	Oct 5, 2021
Instrument	2021-296847
Transaction Type	Subdivision Related Transfer
Record Updated	Nov 3, 2022
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN 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	537 MARATHON DR, OAKLEY, CA 94561-1065

Mortgage

Document Number	0000296848
Date	Oct 21, 2021
Instrument	2021-296848

Lender

Name	QUONTIC BANK FSB
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2051

Tax Assessment & Valuation

The 2025 property tax bill for 537 Marathon Dr was $13,930.

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Oakley City
Secondary School District	Liberty Union High School District (09 - 12)
Elementary School District	Oakley Union Elementary School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$686,664 (+2%) Land $234,090 Building $452,574
2025	$13,930.00	$673,200 Land $229,500 Building $443,700
2023	$13,247.00 (-3.83%)	$626,000 Land $147,000 Building $479,000
2022	$13,774.00

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

Flood

FEMA maps place 537 Marathon Dr in Zone X, where a levee reduces flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X reduced by levee · depends on levee performance
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	7 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

Wildfire risk around 537 Marathon Dr is moderate, ranking above 64% of the US, with a 0.2% annual chance of wildfire.

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

Wildfire Risk	Moderate above 64% of the US · lower than 60% of California
Wildfire Likelihood	0.2% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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	DIABLO WATER DISTRICT serves 47,158 people · EPA ID CA0710007
Water Source	Purchased surface water from RANDALL-BOLD WATER TREATMENT PLANT
Last State Inspection	Jan 2024
Also Mapped Here	CONTRA COSTA WATER DISTRICT
Lead	2 ppb (2020–2022) 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 762 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20

May also be available: T-Mobile.

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