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25 Diane Ct, Oakley, CA 94561 Property Records

Contra Costa County property record for 25 Diane Ct, Oakley, CA 94561 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details5 bd · 3 ba · 3,685 sqft · built 2004
Lot Size0.153 acres (6,678 sqft)
OwnerIndividual Name on File
Last Sale$345,000 (Apr 2009)
Tax Bill$8,008 (2025)
Deeds & MortgagesJun 2023 Mortgage
Flood ZoneZone X (minimal risk)
APN033-070-140

Property Details

APN / Parcel Number

Primary APN033-070-140
Alternative APN
  • 033-070-140-0

Interior

Bedrooms5 Beds
Full Baths3 Baths
Total Rooms11 Rooms
Stories2 Stories
Building Area3,685 sqft Living Area
1st Floor Area1,651 sqft
2nd Floor Area2,034 sqft

Exterior

Year BuiltBuilt 2004
Effective Year BuiltEffective 2005
Lot Area6,678 sqft (0.153 acres)
Garage TypeAttached
Garage Area592 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address25 DIANE CT
CityOAKLEY
StateCA
Zip94561-2786
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT8765 L23
Legal SubdivisionSUBDIVISION 8765
Legal Tract8765
Legal Lot Number23
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group1
Census Block1004
Census Tract302012

Owner

Source: Contra Costa County records · APN 033-070-140

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 RecordIndividual Name on File
Mailing Address25 DIANE CT, OAKLEY, CA 94561-2786
OccupancyOwner Occupied
Owner TypeIndividual
VestingSingle Person

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleApr 08, 2009 · Amount on Record
Deed SaleApr 08, 2009 · Amount on Record
Prior SaleMay 05, 2006 · Amount on Record
Deed Document Number200974887
Record UpdatedSep 20, 2026

June 2023: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address25 DIANE CT, OAKLEY, CA 94561-2786
Transaction TypeMortgage
Record UpdatedJun 16, 2023
Title CompanyFIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address25 DIANE CT, OAKLEY, CA 94561-2786

Mortgage

Document Number0000054122
DateJun 07, 2023
Instrument2023-054122
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
AddressPONTIAC, MI 48341
Agreement
TypeFHA Mortgage
AmountAmount Recorded
Term361 Months
DueJul 01, 2053

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityOakley City
Secondary School DistrictLiberty Union High School District (09 - 12)
Elementary School DistrictOakley 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.

YearTax BillAssessed Value
2026$453,143 (+2%) Land $32,826 Building $420,317
2025$8,008.00 (+3.54%)$444,259 (+4.04%) Land $32,183 Building $412,076
2023$7,734.00 (+1.78%)$427,010 Land $30,934 Building $396,076
2022$7,599.00

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 060133020121, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearby Flood Policies1 in force

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
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, availability as of December 31, 2025 · Published October 2026 · based on 352 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
AT&TFiber5,000 / 5,000
XfinityCable2,000 / 250
UnwiredFixed Wireless300 / 25
VerizonFixed Wireless300 / 20
T-Mobile USAFixed Wireless100 / 20

Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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