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186 Willowrun Way, Oakley, CA 94561 Property Records

Contra Costa County property record for 186 Willowrun Way, Oakley, CA 94561

Property Summary

Property TypeSingle Family Home
Details5 bd · 3 ba · 2,449 sqft · built 2017
Lot Size0.095 acres (4,122 sqft)
Owner2 Individual Names on Record
Last Sale$512,500 (Oct 2017)
Tax Bill$12,364 (2025)
Deeds & MortgagesSep 2020 Mortgage
Oct 2017 Sale & Mortgage
Flood ZoneZone X (reduced by levee)
APN037-560-044-2

Property Details

APN / Parcel Number

Primary APN037-560-044-2
Alternative APN
  • 037-560-044

Interior

Bedrooms5 Beds
Full Baths3 Baths
Total Rooms10 Rooms
Stories2 Stories
Building Area2,449 sqft Living Area
1st Floor Area1,173 sqft
2nd Floor Area1,276 sqft

Exterior

Year BuiltBuilt 2017
Effective Year BuiltEffective 2017
Lot Area4,122 sqft (0.095 acres)
Garage TypeAttached
Garage Area420 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address186 WILLOWRUN WAY
CityOAKLEY
StateCA
Zip94561-3091
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT9349 L375
Legal SubdivisionSUBDIVISION 9349
Legal Tract9349
Legal Lot Number375
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group1
Census Block1009
Census Tract302011

Owner

Source: Contra Costa County records, as of August 12, 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 Record
Mailing Address186 WILLOWRUN WAY, OAKLEY, CA 94561-3091
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Sep 25, 2020Deed of Trust, Mortgage · Conventional Mortgage
MASON MCDUFFIE MORTGAGE CORP
Oct 12, 2017Grant Deed, Transfer · Conventional Mortgage
MASON MCDUFFIE MORTGAGE CORP

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 12, 2017 · Amount on Record
Deed SaleOct 12, 2017 · Amount on Record
Deed Document Number2017187100
Record UpdatedSep 20, 2026

September 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address186 WILLOWRUN WAY, OAKLEY, CA 94561-3091
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyCHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name
Address186 WILLOWRUN WAY, OAKLEY, CA 94561-3091

Mortgage

Document Number0000215901
DateSep 25, 2020
Instrument2020-215901
Lender
NameMASON MCDUFFIE MORTGAGE CORP
TypeMortgage Company
AddressSAN RAMON, CA 94583
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueOct 1, 2050

October 2017: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateOct 12, 2017
Property Address186 WILLOWRUN WAY, OAKLEY, CA 94561-3091
Document Number0000187100
Map ReferenceMAP524 PG15-23
Instrument DateSep 11, 2017
Instrument2017-187100
Transaction TypeTransfer
Record UpdatedNov 3, 2022
Title CompanyFIRST AMERICAN TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address186 WILLOWRUN WAY, OAKLEY, CA 94561-3091

Mortgage

Document Number0000187101
DateOct 12, 2017
Instrument2017-187101
Lender
NameMASON MCDUFFIE MORTGAGE CORP
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueNov 1, 2047

Tax Assessment & Valuation

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$594,563 (+2%) Land $98,648 Building $495,915
2025$12,364.00 (+3.27%) Homeowner's exemption$582,906 (+4.04%) Land $96,714 Building $486,192
2023$11,972.00 (+1.98%) Homeowner's exemption$560,272 Land $92,959 Building $467,313
2022$11,739.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
reduced by levee · depends on levee performance
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies7 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

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

Wildfire RiskModerate
above 53% of the US · lower than 68% of California
Wildfire Likelihood0.1% annual chance
ExposureIndirect
within 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 762 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (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: T-Mobile.

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