517 Marathon Dr, Oakley, CA 94561 Property Records

Contra Costa County property record for 517 Marathon Dr, Oakley, CA 94561

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,460 sqft · built 2021
Lot Size	0.116 acres (5,031 sqft)
Owner	2 Individual Names on File
Last Sale	$675,000 (Aug 2021)
Tax Bill	$14,318 (2025)
Deeds & Mortgages	Sep 2023 Mortgage Aug 2021 Sale & Mortgage
Flood Zone	Zone X (reduced by levee)
APN	`032-530-150-5`

Property Details

APN / Parcel Number

Primary APN	`032-530-150-5`
Alternative APN	`032-530-150`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,460 sqft Living Area
1st Floor Area	1,258 sqft
2nd Floor Area	1,202 sqft

Exterior

Year Built	Built 2021
Effective Year Built	Effective 2021
Lot Area	5,031 sqft (0.116 acres)
Garage Type	Attached
Garage Area	456 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	517 MARATHON DR
City	OAKLEY
State	CA
Zip	94561-1065
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T9473 L135
Legal Subdivision	GILBERT PROP SUB MAP #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

517 Marathon Dr is owned and occupied by two individuals who bought it in August 2021.

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

Owner of Record	2 Individual Names on File
Mailing Address	517 MARATHON DR, OAKLEY, CA 94561-1065
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
Sep 5, 2023	Deed of Trust, Mortgage · FHA Mortgage JACKSON FLAGSTAR CENTRE OFFICE
Aug 13, 2021	Grant Deed, Transfer · FHA Mortgage KBHS HOME LOANS LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 13, 2021 · Amount on File
Deed Sale	Aug 13, 2021 · Amount on File
Deed Document Number	2021226536
Record Updated	Sep 20, 2026

September 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	517 MARATHON DR, OAKLEY, CA 94561-1065
Transaction Type	Mortgage
Record Updated	Sep 14, 2023
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	517 MARATHON DR, OAKLEY, CA 94561-1065

Mortgage

Document Number	0000085280
Date	Sep 5, 2023
Instrument	2023-085280

Lender

Name	JACKSON FLAGSTAR CENTRE OFFICE
Type	Bank
Address	JACKSONVILLE, FL 32256

Agreement

Type	FHA Mortgage
Amount	Amount on Record
Term	336 Months
Due	Sep 1, 2051

August 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 13, 2021
Property Address	517 MARATHON DR, OAKLEY, CA 94561-1065
Document Number	0000226536
Map Reference	MB 536 PG 1
Instrument Date	Aug 5, 2021
Instrument	2021-226536
Transaction Type	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	517 MARATHON DR, OAKLEY, CA 94561-1065

Mortgage

Document Number	0000226537
Date	Aug 13, 2021
Instrument	2021-226537

Lender

Name	KBHS HOME LOANS LLC
Type	Mortgage Company

Agreement

Type	FHA Mortgage
Amount	Amount on Record
Term	361 Months
Due	Sep 1, 2051

Tax Assessment & Valuation

The 2025 property tax bill for 517 Marathon Dr was $14,318 with a homeowner's exemption.

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		$730,314 (+2%) Land $173,188 Building $557,126
2025	$14,318.00 Homeowner's exemption	$715,995 Land $169,793 Building $546,202
2023	$13,852.00 (+1.73%) Homeowner's exemption	$688,194 Land $163,200 Building $524,994
2022	$13,616.00

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

Flood

FEMA maps place 517 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 517 Marathon Dr is moderate, ranking above 55% of the US, with a 0.1% annual chance of wildfire.

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

Wildfire Risk	Moderate above 55% of the US · lower than 67% of California
Wildfire Likelihood	0.1% 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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