424 Diamond Peak Ln, Oakley, CA 94561 Property Records

Contra Costa County property record for 424 Diamond Peak Ln, Oakley, CA 94561

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,968 sqft · built 2019
Lot Size	0.145 acres (6,313 sqft)
Owner	Individual Name on File
Last Sale	$968,000 (May 2024)
Tax Bill	$14,660 (2025)
Deeds & Mortgages	Aug 2022 Line of Credit Sep 2019 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`034-640-041-9`

Property Details

APN / Parcel Number

Primary APN	`034-640-041-9`
Alternative APN	`034-640-041`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	2,968 sqft Living Area
1st Floor Area	1,329 sqft
2nd Floor Area	1,639 sqft

Exterior

Year Built	Built 2019
Effective Year Built	Effective 2019
Lot Area	6,313 sqft (0.145 acres)
Garage Type	Attached
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	424 DIAMOND PEAK LN
City	OAKLEY
State	CA
Zip	94561-2183
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T9027 L41
Legal Subdivision	SUBDIVISION 9027
Legal Tract	9027
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	1
Census Block	1003
Census Tract	302007

Owner

424 Diamond Peak Ln is owned and occupied by an individual who bought it in May 2024.

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

Owner of Record	Individual Name on File
Mailing Address	424 DIAMOND PEAK LN, OAKLEY, CA 94561-2183
Occupancy	Owner Occupied
Owner Type	Individual

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
Aug 16, 2022	Deed of Trust, Mortgage · Line of Credit COASTAL COMMUNITY BANK
Sep 13, 2019	Grant Deed, Subdivision Related Transfer · Conventional Mortgage LOANDEPOT.COM LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 23, 2024 · Amount on File
Deed Sale	May 23, 2024 · Amount on File
Prior Sale	Sep 13, 2019 · Amount on File
Deed Document Number	202448689
Record Updated	Sep 20, 2026

August 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	424 DIAMOND PEAK LN, OAKLEY, CA 94561-2183
Transaction Type	Mortgage
Record Updated	Nov 3, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	424 DIAMOND PEAK LN, OAKLEY, CA 94561-2183

Mortgage

Document Number	0000126727
Date	Aug 16, 2022
Instrument	2022-126727

Lender

Name	COASTAL COMMUNITY BANK
Type	Bank
Address	BURLINGAME, CA 94010

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

September 2019: Grant Deed, Subdivision Related Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 13, 2019
Property Address	424 DIAMOND PEAK LN, OAKLEY, CA 94561-2183
Document Number	0000151243
Map Reference	MB 533 PG 29
Instrument Date	Sep 3, 2019
Instrument	2019-151243
Transaction Type	Subdivision Related Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC 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	424 DIAMOND PEAK LANE, OAKLEY, CA 94561-2183

Mortgage

Document Number	0000151245
Date	Sep 13, 2019
Instrument	2019-151245

Lender

Name	LOANDEPOT.COM LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2049

Tax Assessment & Valuation

The 2025 property tax bill for 424 Diamond Peak Ln was $14,660 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		$1,007,107 (+2%) Land $182,070 Building $825,037
2025	$14,660.00 Homeowner's exemption	$987,360 Land $178,500 Building $808,860
2023	$12,055.00 (+1.75%) Homeowner's exemption	$758,317 Land $115,628 Building $642,689
2022	$11,848.00

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

Flood

FEMA maps place 424 Diamond Peak Ln in Zone X, an area of minimal 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 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

Wildfire risk around 424 Diamond Peak Ln is low, with less than a 0.01% annual chance of 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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