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173 Miramonte Rd, Walnut Creek, CA 94597 Property Records

Contra Costa County property record for 173 Miramonte Rd, Walnut Creek, CA 94597

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,300 sqft · built 1950
Lot Size0.39 acres (17,000 sqft)
Owner2 Individual Names on Record
Last Sale$815,000 (Sep 2016)
Tax Bill$11,467 (2025)
Deeds & MortgagesSep 2021 Mortgage
Jun 2022 Line of Credit
Flood ZoneZone X (minimal risk)
APN175-150-018

Property Details

APN / Parcel Number

Primary APN175-150-018
Alternative APN
  • 175-150-018-0

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,300 sqft Living Area
1st Floor Area1,300 sqft

Exterior

Year BuiltBuilt 1950
Effective Year BuiltEffective 1965
Lot Area17,000 sqft (0.39 acres)
Garage TypeAttached
Garage Area440 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address173 MIRAMONTE RD
CityWALNUT CREEK
StateCA
Zip94597-3415
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR15
Legal DescriptionHIGHLAND MANOR #1 LOT 28
Legal SubdivisionHIGHLAND MANOR 01
Legal Lot Number28
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2002
Census Tract340004

Owner

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 Record
Mailing Address173 MIRAMONTE RD, WALNUT CREEK, CA 94597-3415
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
Sep 27, 2021Deed of Trust, Mortgage · Conventional Mortgage
UMPQUA BANK
Jun 30, 2022Deed of Trust, Mortgage · Line of Credit
UMPQUA BANK

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 15, 2016 · Amount on Record
Deed SaleSep 15, 2016 · Amount on Record
Prior SaleOct 25, 2011 · Amount on Record
Deed Document Number2016188905
Prior Transfer DateFeb 16, 1999
Prior Transfer Doc0000050484
Record UpdatedOct 29, 2026

September 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address173 MIRAMONTE RD, WALNUT CREEK, CA 94597-3415
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanySTEWART TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address173 MIRAMONTE RD, WALNUT CREEK, CA 94597-3415

Mortgage

Document Number0000267038
DateSep 27, 2021
Instrument2021-267038
Lender
NameUMPQUA BANK
TypeBank
AddressPORTLAND, OR 97224
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueOct 1, 2051

June 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address173 MIRAMONTE RD, WALNUT CREEK, CA 94597-3415
Transaction TypeMortgage
Record UpdatedNov 3, 2022

Transferred To (Grantee/Buyer)

NameVerified Name
Address173 MIRAMONTE RD, WALNUT CREEK, CA 94597-3415

Mortgage

Document Number0000107014
DateJun 30, 2022
Instrument2022-107014
Lender
NameUMPQUA BANK
TypeBank
AddressSPOKANE, WA 99201
Agreement
TypeLine of Credit
AmountAmount Recorded
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
Secondary School DistrictAcalanes Union High School District (09 - 12)
Elementary School DistrictWalnut Creek Elementary School District (KG - 08)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$964,789 (+2%) Land $733,952 Building $230,837
2025$11,467.00 (+3.9%) Homeowner's exemption$945,872 (+4.04%) Land $719,561 Building $226,311
2023$11,037.00 (+2.22%) Homeowner's exemption$909,144 Land $691,620 Building $217,524
2022$10,797.00

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
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 6 (20% 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

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 Likelihood0.03% 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 SystemEAST BAY MUD
serves 1,468,000 people · EPA ID CA0110005
Water SourceSurface water
Last State InspectionDec 2021
LeadUnder 1 ppb (2022–2024)
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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 277 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber		10,000 / 10,000
Xfinity
Cable		2,000 / 250
Astound Broadband
Cable		1,500 / 50
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20

May also be available: AT&T, Etheric Networks, T-Mobile.

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