509 Marathon Dr, Oakley, CA 94561 Property Records

Contra Costa County property record for 509 Marathon Dr, Oakley, CA 94561

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 2,247 sqft · built 2021
Lot Size	0.115 acres (5,020 sqft)
Owner	2 Individual Names on File
Last Sale	$735,000 (Sep 2023)
Tax Bill	$14,762 (2025)
Deeds & Mortgages	Sep 2023 Sale & Mortgage Aug 2021 Sale & Mortgage
Flood Zone	Zone X (reduced by levee)
APN	`032-530-152-1`

Property Details

APN / Parcel Number

Primary APN	`032-530-152-1`
Alternative APN	`032-530-152`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,247 sqft Living Area
1st Floor Area	1,089 sqft
2nd Floor Area	1,158 sqft

Exterior

Year Built	Built 2021
Effective Year Built	Effective 2021
Lot Area	5,020 sqft (0.115 acres)
Garage Type	Attached
Garage Area	471 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	509 MARATHON DR
City	OAKLEY
State	CA
Zip	94561-1065
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T9473 L137
Legal Subdivision	GILBERT PROP PH 1
Legal Tract	9473
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	1
Census Block	1025
Census Tract	302011

Owner

Source: Contra Costa County assessment roll, 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 Record	2 Individual Names on File
Mailing Address	509 MARATHON DR, OAKLEY, CA 94561-1065
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Sep 29, 2023	Grant Deed, Transfer · FHA Mortgage ACADEMY MORTGAGE CORP
Aug 2, 2021	Grant Deed, Transfer · FHA Mortgage HOMEBRIDGE FINANCIAL SERVICES INC

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Sep 29, 2023 · Amount on Record
Deed Sale	Sep 29, 2023 · Amount on Record
Prior Sale	Aug 2, 2021 · Amount on Record
Deed Document Number	202394461
Record Updated	Sep 20, 2026

September 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 29, 2023
Property Address	509 MARATHON DR, OAKLEY, CA 94561-1065
Document Number	0000094461
Map Reference	MB 536 PG 1
Instrument Date	Sep 26, 2023
Instrument	2023-094461
Transaction Type	Transfer
Record Updated	Oct 10, 2023
Title Company	FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
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	Joint Tenants
Address	509 MARATHON DR, OAKLEY, CA 94561-1065

Mortgage

Document Number	0000094462
Date	Sep 29, 2023
Instrument	2023-094462

Lender

Name	ACADEMY MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2053

Mortgage

Document Number	0000094463
Date	Sep 29, 2023
Instrument	2023-094463

Lender

Name	ACADEMY MORTGAGE CORP
Type	Mortgage Company
Address	DRAPER, UT 84020

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount Recorded
Term	362 Months
Due	Nov 25, 2053

August 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 2, 2021
Property Address	509 MARATHON DR, OAKLEY, CA 94561-1065
Document Number	0000215765
Map Reference	MB 536 PG 1
Instrument Date	Jun 1, 2021
Instrument	2021-215765
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
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	509 MARATHON DR, OAKLEY, CA 94561-1065

Mortgage

Document Number	0000215766
Date	Aug 2, 2021
Instrument	2021-215766

Lender

Name	HOMEBRIDGE FINANCIAL SERVICES INC
Type	Mortgage Company

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Aug 1, 2051

Tax Assessment & Valuation

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		$764,694 (+2%) Land $234,090 Building $530,604
2025	$14,762.00 (+7.63%)	$749,700 (+10.94%) Land $229,500 Building $520,200
2023	$13,715.00 (+1.74%) Homeowner's exemption	$675,750 Land $163,200 Building $512,550
2022	$13,481.00

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 · 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

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

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 USA.

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