509 Stone Mountain Dr, Oakley, CA 94561 Property Records

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

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,355 sqft · built 2020
Lot Size	0.151 acres (6,587 sqft)
Owner	Individual Name on Record
Last Sale	$664,000 (Jan 2021)
Tax Bill	$11,811 (2025)
Deeds & Mortgages	Feb 2022 Mortgage Jan 2021 Sale & Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`034-260-032-7`

Property Details

APN / Parcel Number

Primary APN	`034-260-032-7`
Alternative APN	`034-260-032`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,355 sqft Living Area
1st Floor Area	1,273 sqft
2nd Floor Area	1,082 sqft

Exterior

Year Built	Built 2020
Effective Year Built	Effective 2021
Lot Area	6,587 sqft (0.151 acres)
Garage Type	Attached
Garage Area	390 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	509 STONE MOUNTAIN DR
City	OAKLEY
State	CA
Zip	94561-5097
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T9461 L3
Legal Subdivision	SUBDIVISION 9461
Legal Tract	9461
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	1
Census Block	1003
Census Tract	302007

Owner

Source: Contra Costa County records, as of July 15, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	509 STONE MOUNTAIN DR, OAKLEY, CA 94561-5097
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Feb 14, 2022	Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC
Jan 12, 2021	Grant Deed, Transfer · FHA Mortgage COMMERCE HOME MORTGAGE LLC
Jan 22, 2020	Grant Deed, Subdivision Related Transfer OLD REPUBLIC TITLE
Jan 22, 2020	Grant Deed, Transfer · Commercial Mortgage UMPQUA BANK
Jan 22, 2020	Quit Claim Deed, Transfer OLD REPUBLIC TITLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 12, 2021 · Amount on Record
Deed Sale	Jan 12, 2021 · Amount on Record
Prior Sale	Jan 22, 2020 · Amount on Record
Deed Document Number	20219135
Prior Transfer Date	Jan 14, 2020
Prior Transfer Doc	0000013306
Record Updated	Sep 20, 2026

February 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	509 STONE MOUNTAIN DR, OAKLEY, CA 94561-5097
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	509 STONE MOUNTAIN DR, OAKLEY, CA 94561-5097

Mortgage

Document Number	0000027465
Date	Feb 14, 2022
Instrument	2022-027465

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2052

January 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 12, 2021
Property Address	509 STONE MOUNTAIN DR, OAKLEY, CA 94561-5097
Document Number	0000009135
Map Reference	MB 536 PG 15
Instrument Date	Jan 11, 2021
Instrument	2021-009135
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
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	509 STONE MOUNTAIN DR, OAKLEY, CA 94561-5097

Mortgage

Document Number	0000009137
Date	Jan 12, 2021
Instrument	2021-009137

Lender

Name	COMMERCE HOME MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2051

January 2020: Grant Deed, Subdivision Related Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 22, 2020
Property Address	509 STONE MOUNTAIN DR, OAKLEY, CA 94561-5097
Document Number	0000013304
Instrument Date	Jan 14, 2020
Instrument	13304
Transaction Type	Subdivision Related Transfer
Record Updated	Feb 5, 2020
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount Recorded
Tax	$7,358.00
Amount Accuracy	Full Value
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	STONE MOUNTAIN DR OAKLEY CA 94561, OAKLEY, CA 94561

January 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 22, 2020
Property Address	509 STONE MOUNTAIN DR, OAKLEY, CA 94561-5097
Document Number	0000013305
Map Reference	MB 536 PG 15
Instrument Date	Jan 14, 2020
Instrument	2020-013305
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4021 PORT CHICAGO HWY, CONCORD, CA 94520-1122
Investor	Possibly a Property Investor

Mortgage

Document Number	0000013308
Date	Jan 22, 2020
Instrument	2020-013308

Lender

Name	UMPQUA BANK
Type	Bank

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

January 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 22, 2020
Property Address	509 STONE MOUNTAIN DR, OAKLEY, CA 94561-5097
Document Number	0000013306
Instrument Date	Jan 14, 2020
Instrument	13306
Transaction Type	Transfer
Record Updated	Feb 3, 2020
Title Company	OLD REPUBLIC TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	STONE MOUNTAIN DR OAKLEY CA 94561, OAKLEY, CA 94561

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		$732,775 (+2%) Land $187,693 Building $545,082
2025	$11,811.00 (+3.7%)	$718,408 (+4.04%) Land $184,013 Building $534,395
2023	$11,390.00 (+1.79%)	$690,513 Land $176,868 Building $513,645
2022	$11,190.00

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 minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	2 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	Low lower than 97% of the US · lower than 97.8% of California
Wildfire Likelihood	Under 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	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 543 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	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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