431 Augustus Ct, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 431 Augustus Ct, Walnut Creek, CA 94598

Property Summary

Property TypeTownhouse
Details3 bd · 3 ba · 1,977 sqft · built 1988
Lot Size0.045 acres (1,977 sqft)
Owner2 Company Names on Record
Last Sale$310,000 (Oct 1998)
Tax Bill$6,005 (2025)
Deeds & MortgagesNov 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN144-270-182-5

Property Details

APN / Parcel Number

Primary APN144-270-182-5
Alternative APN
  • 144-270-182

Interior

Bedrooms3 Beds
Full Baths3 Baths
Total Rooms7 Rooms
Stories2 Stories
Building Area1,977 sqft Living Area
1st Floor Area1,142 sqft
2nd Floor Area835 sqft

Exterior

Year BuiltBuilt 1988
Effective Year BuiltEffective 1988
Architectural StyleTownhouse
Lot Area1,977 sqft (0.045 acres)
Garage TypeAttached
Garage Area442 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address431 AUGUSTUS CT
CityWALNUT CREEK
StateCA
Zip94598-2200
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Townhouse
Legal DescriptionT05238 L0077 B
Legal SubdivisionSUBDIVISION 5238
Legal Tract05238
Legal Lot Number77
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group3
Census Block3001
Census Tract338204

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 Company Names on Record
Mailing Address431 AUGUSTUS CT, WALNUT CREEK, CA 94598-2200
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust, Revocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 23, 1998 · Amount on Record
Deed SaleOct 23, 1998 · Amount on Record
Prior SaleMay 26, 1995 · Amount on Record
Deed Document Number1998262391
Last Transfer DateFeb 6, 2025
Transfer Doc0000012357
Record UpdatedOct 29, 2026

November 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address431 AUGUSTUS CT, WALNUT CREEK, CA 94598-2200
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyAMROCK INC

Transferred To (Grantee/Buyer)

NameVerified Name
Address431 AUGUSTUS CT, WALNUT CREEK, CA 94598-2200

Mortgage

Document Number0000283859
DateNov 23, 2020
Instrument2020-283859
Lender
NameQUICKEN LOANS LLC
TypeMortgage Company
AddressDETROIT, MI 48226
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term181 Months
DueDec 1, 2035

Tax Assessment & Valuation

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$481,294 (+2%) Land $259,836 Building $221,458
2025$6,005.00 (+4.31%) Homeowner's exemption$471,858 (+4.04%) Land $254,742 Building $217,116
2023$5,757.00 (+0.89%) Homeowner's exemption$453,537 Land $244,851 Building $208,686
2022$5,706.00

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 8 (10% premium discount)
Nearby Flood Policies1 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 RiskNot rated
no burnable land 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 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 320 locations within half a mile, as of December 31, 2025

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

May also be available: Etheric Networks, Sonic Telecom, Verizon.

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