520 Stone Mountain Dr, Oakley, CA 94561 Property Records

Contra Costa County property record for 520 Stone Mountain Dr, Oakley, CA 94561

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,768 sqft · built 2019
Lot Size	0.138 acres (5,995 sqft)
Owner	2 Individual Names on File
Last Sale	$922 (Dec 2025)
Tax Bill	$12,130 (2025)
Deeds & Mortgages	Dec 2025 Sale & Mortgage Jun 2020 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`034-260-042-6`

Property Details

APN / Parcel Number

Primary APN	`034-260-042-6`
Alternative APN	`034-260-042`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	2,768 sqft Living Area
1st Floor Area	1,248 sqft
2nd Floor Area	1,520 sqft

Exterior

Year Built	Built 2019
Effective Year Built	Effective 2020
Lot Area	5,995 sqft (0.138 acres)
Garage Type	Attached
Garage Area	399 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	520 STONE MOUNTAIN DR
City	OAKLEY
State	CA
Zip	94561-5097
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T9461 L13
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 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	520 STONE MOUNTAIN DR, OAKLEY, CA 94561-5097
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Dec 10, 2025	Grant Deed, Transfer · Commercial Mortgage EQUITY TRUST COMPANY MIKE
Jun 4, 2020	Grant Deed, Subdivision Related Transfer · Conventional with PMI LOANDEPOT.COM LLC
Jun 4, 2020	Quit Claim Deed, Transfer OLD REPUBLIC TITLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 10, 2025 · Amount on File
Deed Sale	Dec 10, 2025 · Amount on File
Deed Document Number	2025138200
Prior Transfer Date	Apr 9, 2020
Prior Transfer Doc	0000106758
Record Updated	Sep 20, 2026

December 2025: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Dec 10, 2025
Property Address	520 STONE MOUNTAIN DR, OAKLEY, CA 94561-5097
Document Number	0000138200
Map Reference	MB 536 PG 15
Instrument Date	Dec 4, 2025
Instrument	2025- 138200
Transaction Type	Transfer
Record Updated	Dec 19, 2025
Title Company	CHICAGO 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	Joint Tenants
Address	520 STONE MOUNTAIN DR, OAKLEY, CA 94561-5097

Mortgage

Document Number	0000138201
Date	Dec 10, 2025
Instrument	2025- 138201

Lender

Name	EQUITY TRUST COMPANY MIKE
Type	Private Party

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

June 2020: Grant Deed, Subdivision Related Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 4, 2020
Property Address	520 STONE MOUNTAIN DR, OAKLEY, CA 94561-5097
Document Number	0000106757
Instrument Date	May 29, 2020
Instrument	106757
Transaction Type	Subdivision Related Transfer
Record Updated	Jun 19, 2020
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$760.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	520 STONE MOUNTAIN DR OAKLEY CA 94561, OAKLEY, CA 94561

Mortgage

Document Number	106760
Date	Jun 4, 2020
Instrument	106760

Lender

Name	LOANDEPOT.COM LLC
Type	Funding / Finance Company
Address	FOOTHILL RANCH, CA 92610

Agreement

Type	Conventional with PMI
Amount	Amount on Record
Term	360 Months
Due	Jun 3, 2050

June 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 4, 2020
Property Address	520 STONE MOUNTAIN DR, OAKLEY, CA 94561-5097
Document Number	0000106758
Instrument Date	Apr 8, 2020
Instrument	106758
Transaction Type	Transfer
Record Updated	Jun 17, 2020
Title Company	OLD REPUBLIC TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	2000 ASCOT PKWY #2623 VALLEJO CA 945917012, 2623, VALLEJO, CA 94591-7012

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		$839,000 (+11.15%) Land $225,000 Building $614,000
2025	$12,130.00 (+3.71%) Homeowner's exemption	$754,830 (+4.04%) Land $164,045 Building $590,785
2023	$11,696.00 (+1.77%) Homeowner's exemption	$725,521 Land $157,676 Building $567,845
2022	$11,493.00

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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