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40 Ridge Crest Ct, Oakley, CA 94561 Property Records

Contra Costa County property record for 40 Ridge Crest Ct, Oakley, CA 94561

Property Summary

Property TypeSingle Family Home
Details6 bd · 3 ba · 3,407 sqft · built 2005
Lot Size0.25 acres (10,906 sqft)
Owner2 Individual Names on File
Last Sale$665,000 (Aug 2018)
Tax Bill$11,850 (2025)
Deeds & MortgagesAug 2018 Sale
Jul 2018 Transfer
Flood ZoneZone X (minimal risk)
APN034-400-004-7

Property Details

APN / Parcel Number

Primary APN034-400-004-7
Alternative APN
  • 034-400-004

Interior

Bedrooms6 Beds
Full Baths3 Baths
Total Rooms11 Rooms
Stories2 Stories
Building Area3,407 sqft Living Area
1st Floor Area1,445 sqft
2nd Floor Area1,962 sqft

Exterior

Year BuiltBuilt 2005
Effective Year BuiltEffective 2005
Lot Area10,906 sqft (0.25 acres)
Garage TypeAttached
Garage Area615 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address40 RIDGE CREST CT
CityOAKLEY
StateCA
Zip94561-1551
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT7681 L4
Legal SubdivisionSUBDIVISION 7681
Legal Tract7681
Legal Lot Number4
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group1
Census Block1004
Census Tract302007

Owner

40 Ridge Crest Ct is owned and occupied by two individuals who bought it in August 2018.

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

Owner of Record2 Individual Names on File
Mailing Address40 RIDGE CREST CT, OAKLEY, CA 94561-1551
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

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

DateDocument
Aug 7, 2018Grant Deed, Transfer
CHICAGO TITLE COMPANY
Jul 25, 2018Quit Claim Deed, Transfer
Quitclaim

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 7, 2018 · Amount on File
Deed SaleAug 7, 2018 · Amount on File
Prior SaleMar 31, 2008 · Amount on File
Deed Document Number2018125425
Record UpdatedOct 29, 2026

August 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateAug 7, 2018
Property Address40 RIDGE CREST CT, OAKLEY, CA 94561-1551
Document Number0000125425
Instrument DateAug 2, 2018
Instrument125425
Transaction TypeTransfer
Record UpdatedAug 14, 2018
Title CompanyCHICAGO TITLE COMPANY

Transaction

AmountAmount on Record
Tax$731.50
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address40 RIDGE CREST CT OAKLEY CA 945611551, OAKLEY, CA 94561-1551

July 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateJul 25, 2018
Property Address40 RIDGE CREST CT, OAKLEY, CA 94561-1551
Document Number0000118523
Instrument DateJun 26, 2018
Instrument118523
Transaction TypeTransfer
Record UpdatedJul 30, 2018

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address40 RIDGE CREST CT OAKLEY CA 945611551, OAKLEY, CA 94561-1551

Tax Assessment & Valuation

The 2025 property tax bill for 40 Ridge Crest Ct was $11,850 with a homeowner's exemption.

Source: Contra Costa County assessment roll, as of July 14, 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

YearTax BillAssessed Value
2026$796,229 (+2%) Land $113,781 Building $682,448
2025$11,850.00 Homeowner's exemption$780,617 Land $111,550 Building $669,067
2023$11,449.00 (+1.63%) Homeowner's exemption$750,307 Land $107,219 Building $643,088
2022$11,265.00

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

Flood

FEMA maps place 40 Ridge Crest Ct 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 ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies2 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 40 Ridge Crest Ct is low, with a 0.02% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 94% of the US · lower than 96% of California
Wildfire Likelihood0.02% annual chance
ExposureNone
beyond ember reach

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 SystemDIABLO WATER DISTRICT
serves 47,158 people · EPA ID CA0710007
Water SourcePurchased surface water from RANDALL-BOLD WATER TREATMENT PLANT
Last State InspectionJan 2024
Also Mapped HereCONTRA COSTA WATER DISTRICT
Lead2 ppb (2020–2022)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 338 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · DSL		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20
T-Mobile
Fixed Wireless		100 / 20

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