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631 Walnut Dr, Oakley, CA 94561 Property Records

Contra Costa County property record for 631 Walnut Dr, Oakley, CA 94561

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 1,676 sqft · built 1982
Lot Size0.145 acres (6,300 sqft)
Owner2 Individual Names on File
Last Sale$232,000 (Jul 2008)
Tax Bill$4,314 (2025)
Deeds & MortgagesMar 2020 Transfer
Mar 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN035-403-016-5

Property Details

APN / Parcel Number

Primary APN035-403-016-5
Alternative APN
  • 035-403-016

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms10 Rooms
Stories1 Story
Building Area1,676 sqft Living Area
1st Floor Area1,676 sqft

Exterior

Year BuiltBuilt 1982
Effective Year BuiltEffective 1983
Lot Area6,300 sqft (0.145 acres)
Garage TypeAttached
Garage Area430 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address631 WALNUT DR
CityOAKLEY
StateCA
Zip94561-2129
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR-6
Legal DescriptionT05327 L0041 B EX MR
Legal SubdivisionTHE VINEYARD #4
Legal Tract05327
Legal Lot Number41
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group2
Census Block2029
Census Tract302007

Owner

Source: Contra Costa County records · APN 035-403-016-5

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 Record2 Individual Names on File
Mailing Address631 WALNUT DR, OAKLEY, CA 94561-2129
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
Mar 02, 2020Quit Claim Deed
PLACER TITLE COMPANY, PLACER TITLE CO.
Mar 02, 2020Quit Claim Deed, Transfer
EVOLVE BK&TR

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleJul 01, 2008 · Amount on Record
Deed SaleJul 01, 2008 · Amount on Record
Prior SaleFeb 22, 2008 · Amount on Record
Deed Document Number2008147423
Last Transfer DateFeb 24, 2020
Transfer Doc0000039723
Record UpdatedSep 20, 2026

March 2020: Quit Claim Deed

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateMar 02, 2020
Property Address631 WALNUT DR, OAKLEY, CA 94561-2129
Document Number0000039723
Instrument DateFeb 24, 2020
Instrument39723
Record UpdatedMar 06, 2020
Title CompanyPLACER TITLE COMPANY, PLACER TITLE CO.

Transaction

Tax$0.00
Additional
  • Quitclaim

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address631 WALNUT DR OAKLEY CA 945612129, OAKLEY, CA 94561-2129

March 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateMar 02, 2020
Property Address631 WALNUT DR, OAKLEY, CA 94561-2129
Document Number0000039724
Instrument DateFeb 24, 2020
Instrument39724
Transaction TypeTransfer
Record UpdatedMar 06, 2020
Title CompanyPLACER TITLE COMPANY, PLACER TITLE CO.

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address631 WALNUT DR OAKLEY CA 945612129, OAKLEY, CA 94561-2129

Mortgage

Document Number39725
DateMar 02, 2020
Instrument39725
Lender
NameEVOLVE BK&TR
TypeBank
AddressMEMPHIS, TN 38119
Agreement
AmountAmount Recorded
Term360 Months
DueMar 01, 2050

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$304,716 (+2%) Land $65,666 Building $239,050
2025$4,314.00 (+2.84%)$298,742 (+4.04%) Land $64,379 Building $234,363
2023$4,195.00 (+0.74%)$287,143 Land $61,880 Building $225,263
2022$4,164.00

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 ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone A, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies8 in force
Nearby Flood Claims1 (1998)
Most Recent ClaimFeb 1998 · Severe Winter Storms And Flooding

Wildfire

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
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 as of December 31, 2025 · Last verified October 2026

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

Based on FCC filings for 240 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 SystemDIABLO WATER DISTRICT
serves 47,158 people
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 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.

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