3660 Holmes Rd, Oakley, CA 94561 Property Records

Contra Costa County property record for 3660 Holmes Rd, Oakley, CA 94561

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 2,296 sqft · built 1977
Lot Size	1.7 acres (74,052 sqft)
Owner	2 Individual Names on File
Last Sale	$329,500 (Jul 1999)
Tax Bill	$6,417 (2025)
Deeds & Mortgages	Oct 2021 Mortgage
Flood Zone	Zone A (high risk)
APN	`034-080-021-8`

Property Details

APN / Parcel Number

Primary APN	`034-080-021-8`
Alternative APN	`034-080-021`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,296 sqft Living Area
1st Floor Area	728 sqft
2nd Floor Area	1,568 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1977
Effective Year Built	Effective 1978
Architectural Style	Ranch
Exterior Material	Wood Siding
Roof Material	Tile
Lot Area	74,052 sqft
Garage Type	Attached
Garage Area	410 sqft
Parking Spaces	2 Parking Spaces
Deck Area	Deck Area

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Sewer	Septic

Location & Zoning

Street Address	3660 HOLMES RD
City	OAKLEY
State	CA
Zip	94561-3835
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	PARCEL MAP 15 PG 27 PCL A
Legal Tract	15PM27
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	1
Census Block	1004
Census Tract	302014

Owner

Source: Contra Costa County records · APN 034-080-021-8

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	3660 HOLMES RD, OAKLEY, CA 94561-3835
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jul 27, 1999 · Amount on Record
Deed Sale	Jul 27, 1999 · Amount on Record
Deed Document Number	1999198282
Record Updated	Sep 20, 2026

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	3660 HOLMES RD, OAKLEY, CA 94561-3835
Transaction Type	Mortgage
Record Updated	Nov 03, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3660 HOLMES RD, OAKLEY, CA 94561-3835

Mortgage

Document Number	0000296424
Date	Oct 21, 2021
Instrument	2021-296424

Lender

Name	MASON MCDUFFIE MORTGAGE CORP
Type	Mortgage Company
Address	SAN RAMON, CA 94583

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	121 Months
Due	Nov 01, 2031

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		$596,100 (+2%) Land $78,060 Building $518,040
2025	$6,417.00 (+3.99%) Homeowner's exemption	$584,413 (+4.84%) Land $76,530 Building $507,883
2023	$6,171.00 (+2.54%) Homeowner's exemption	$557,450 Land $73,559 Building $483,891
2022	$6,018.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone A high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Not determined for this zone
Flood Insurance Requirement	Required federally backed loans
Nearby Flood Policies	3 in force

Wildfire

Wildfire Risk	Low lower than 96% of the US · lower than 97.4% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

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 as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

Based on FCC filings for 417 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	DIABLO WATER DISTRICT serves 47,158 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.