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121 Millbrae Ct, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 121 Millbrae Ct, Walnut Creek, CA 94598

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 2,453 sqft · built 1977
Lot Size0.193 acres (8,400 sqft)
Owner2 Individual Names on File
Last Sale$333,000 (Aug 1996)
Tax Bill$6,793 (2025)
Deeds & MortgagesAug 2021 Line of Credit
Flood ZoneZone X (minimal risk)
APN135-271-017

Property Details

APN / Parcel Number

Primary APN135-271-017
Alternative APN
  • 135-271-017-0

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms10 Rooms
Stories2 Stories
Building Area2,453 sqft Living Area
Gross Area3,109 sqft
1st Floor Area1,411 sqft
2nd Floor Area1,042 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1977
Effective Year BuiltEffective 1995
Architectural StyleRanch
Exterior MaterialStucco
Construction TypeFrame
Roof MaterialWood Shingle
Lot Area8,400 sqft (0.193 acres)
Lot Dimensions120 ft deep x 83 ft wide
Garage TypeAttached
Garage Area656 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address121 MILLBRAE CT
CityWALNUT CREEK
StateCA
Zip94598-3650
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10
Legal DescriptionTRACT 4710 LOT 17
Legal SubdivisionSUBDIVISION 4710
Legal Tract4710
Legal Lot Number17
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1000
Census Tract355302

Owner

121 Millbrae Ct is owned and occupied by two individuals who bought it in August 1996.

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record2 Individual Names on File
Mailing Address121 MILLBRAE CT, WALNUT CREEK, CA 94598-3650
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 28, 1996 · Amount on File
Deed SaleAug 28, 1996 · Amount on File
Prior SaleJan 31, 1994 · Amount on File
Deed Document Number1996160718
Record UpdatedOct 29, 2026

August 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address121 MILLBRAE CT, WALNUT CREEK, CA 94598-3650
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyWFG LENDER SERVICES

Transferred To (Grantee/Buyer)

NameVerified Name
Address121 MILLBRAE CT, WALNUT CREEK, CA 94598-3650

Mortgage

Document Number0000233291
DateAug 23, 2021
Instrument2021-233291
Lender
NameBANK OF AMERICA NA
TypeBank
AddressTAMPA, FL 33634
Agreement
TypeLine of Credit
AmountAmount on Record
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

Tax Assessment & Valuation

The 2025 property tax bill for 121 Millbrae Ct was $6,793 with a homeowner's exemption.

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityWalnut Creek City
Unified School DistrictMount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$553,173 (+2%) Land $261,633 Building $291,540
2025$6,793.00 Homeowner's exemption$542,327 Land $256,503 Building $285,824
2023$6,517.00 (+0.9%) Homeowner's exemption$521,270 Land $246,544 Building $274,726
2022$6,459.00

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

Flood

FEMA maps place 121 Millbrae 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
Community Rating SystemClass 8 (10% premium discount)
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 121 Millbrae Ct is moderate, ranking above 56% of the US, with a 0.1% annual chance of wildfire.

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

Wildfire RiskModerate
above 56% of the US · lower than 67% of California
Wildfire Likelihood0.1% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 SystemCONTRA COSTA WATER DISTRICT
serves 210,500 people · EPA ID CA0710003
Water SourceSurface water
Last State InspectionJan 2022
LeadUnder 1 ppb (2026–2028)
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 423 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Astound Broadband
Cable · Fiber in parts of the area		1,500 / 50
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20
T-Mobile
Fixed Wireless		100 / 20

May also be available: AT&T.

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