404 Diamond Peak Ln, Oakley, CA 94561 Property Records

Contra Costa County property record for 404 Diamond Peak Ln, Oakley, CA 94561 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,768 sqft · built 2020
Lot Size	0.138 acres (6,010 sqft)
Owner	2 Individual Names on File
Last Sale	$900,000 (Sep 2021)
Tax Bill	$13,385 (2025)
Deeds & Mortgages	Sep 2021 Sale & Mortgage Mar 2021 Sale & Mortgage + 4 more
Flood Zone	Zone X (minimal risk)
APN	`034-640-046-8`

Property Details

APN / Parcel Number

Primary APN	`034-640-046-8`
Alternative APN	`034-640-046`

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 2020
Effective Year Built	Effective 2020
Lot Area	6,010 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	404 DIAMOND PEAK LN
City	OAKLEY
State	CA
Zip	94561-2183
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	T9027 L46
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

Source: Contra Costa County records · APN 034-640-046-8

Assessment roll updated July 14, 2026 · Last verified July 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	404 DIAMOND PEAK LN, OAKLEY, CA 94561-2183
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Tenants in Common

Deeds, Mortgages & Sale History

Date	Document
Sep 01, 2021	Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Mar 17, 2021	Grant Deed, Transfer · FHA Mortgage LOANDEPOT.COM LLC
Mar 17, 2021	Declaration, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY
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	2 Verified Names on Deed
Last Sale	Sep 01, 2021 · Amount on Record
Deed Sale	Sep 01, 2021 · Amount on Record
Prior Sale	Mar 17, 2021
Deed Document Number	2021245858
Prior Transfer Date	Jan 14, 2020
Prior Transfer Doc	0000013306
Record Updated	Sep 20, 2026

September 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 01, 2021
Property Address	404 DIAMOND PEAK LN, OAKLEY, CA 94561-2183
Document Number	0000245858
Map Reference	MB 533 PG 29
Instrument Date	Aug 25, 2021
Instrument	2021-245858
Transaction Type	Transfer
Record Updated	Nov 03, 2022
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

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
Relationship	Tenants in Common
Address	404 DIAMOND PEAK LN, OAKLEY, CA 94561-2183

Mortgage

Document Number	0000245859
Date	Sep 01, 2021
Instrument	2021-245859

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 01, 2051

March 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 17, 2021
Property Address	404 DIAMOND PEAK LN, OAKLEY, CA 94561-2183
Document Number	0000081397
Map Reference	MB 533 PG 29
Instrument Date	Mar 03, 2021
Instrument	2021-081397
Transaction Type	Transfer
Record Updated	Jun 15, 2023
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE CO

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
Relationship	Community Property with Right of Survivorship
Address	404 DIAMOND PEAK LN, OAKLEY, CA 94561-2183

Mortgage

Document Number	0000081399
Date	Mar 17, 2021
Instrument	2021-081399

Lender

Name	LOANDEPOT.COM LLC
Type	Mortgage Company

Agreement

Type	FHA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 01, 2051

March 2021: Declaration, Transfer

Document Type	Declaration
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 17, 2021
Property Address	404 DIAMOND PEAK LN, OAKLEY, CA 94561-2183
Document Number	0000081398
Map Reference	MB 533 PG 29
Instrument Date	Jan 27, 2021
Instrument	2021-081398
Transaction Type	Transfer
Record Updated	Aug 01, 2023
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt

Transferred From (Grantor/Seller)

Name	Verified Name
Address	4021 PORT CHICAGO HWY, CONCORD, CA 94520-1122

Transferred To (Grantee/Buyer)

Name	Verified Name

January 2020: Grant Deed, Subdivision Related Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jan 22, 2020
Property Address	404 DIAMOND PEAK LN, OAKLEY, CA 94561-2183
Document Number	0000013304
Instrument Date	Jan 14, 2020
Instrument	13304
Transaction Type	Subdivision Related Transfer
Record Updated	Feb 05, 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	404 DIAMOND PEAK LN 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	404 DIAMOND PEAK LN, OAKLEY, CA 94561-2183
Document Number	0000013305
Map Reference	MB 553 PG 29
Instrument Date	Jan 14, 2020
Instrument	2020-013305
Transaction Type	Transfer
Record Updated	Nov 03, 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	404 DIAMOND PEAK LN, OAKLEY, CA 94561-2183
Document Number	0000013306
Instrument Date	Jan 14, 2020
Instrument	13306
Transaction Type	Transfer
Record Updated	Feb 03, 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	404 DIAMOND PEAK OAKLEY CA 94561, OAKLEY, CA 94561

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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

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

Year	Tax Bill	Assessed Value
2026		$845,000 (-2.09%) Land $281,667 Building $563,333
2025	$13,385.00 (+3.59%)	$863,000 (+3.98%) Land $287,667 Building $575,333
2023	$12,921.00 (-5.42%)	$830,000 Land $277,000 Building $553,000
2022	$13,662.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133020071, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Nearby Flood Policies	2 in force

Wildfire

Wildfire Risk	Low above 3% of the US · above 2% of California
Wildfire Likelihood	Less than 1 in 10,000 per year
Exposure	Direct burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 543 locations within about half a mile of this property

Provider	Technology	Download / Upload (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 at this address: T-Mobile USA, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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