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665 Keith Ct, Walnut Creek, CA 94597 Property Records

Contra Costa County property record for 665 Keith Ct, Walnut Creek, CA 94597

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,658 sqft · built 1974
Lot Size0.224 acres (9,775 sqft)
Owner2 Company Names on Record
Tax Bill$7,917 (2025)
Deeds & MortgagesNov 2017 Transfer
Flood ZoneZone X (minimal risk)
APN171-240-058-7

Property Details

APN / Parcel Number

Primary APN171-240-058-7
Alternative APN
  • 171-240-058

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms9 Rooms
Stories1 Story
Building Area1,658 sqft Living Area
Gross Area2,136 sqft
1st Floor Area1,658 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1974
Effective Year BuiltEffective 1975
Architectural StyleRanch
Exterior MaterialStucco
Construction TypeFrame
Roof MaterialWood Shingle
Lot Area9,775 sqft (0.224 acres)
Garage TypeAttached
Garage Area478 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

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

Location & Zoning

Street Address665 KEITH CT
CityWALNUT CREEK
StateCA
Zip94597-2508
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR8
Legal DescriptionTRACT 4185 LOT 9
Legal SubdivisionSUBDIVISION 4185
Legal Tract4185
Legal Lot Number9
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group4
Census Block4004
Census Tract340001

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Company Names on Record
Mailing Address954 BANNOCK CT, CONCORD, CA 94518-3810
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateSep 15, 2017
Transfer Doc0000214769
Record UpdatedOct 29, 2026

November 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateNov 14, 2017
Property Address665 KEITH CT, WALNUT CREEK, CA 94597-2508
Document Number0000214769
Instrument DateSep 15, 2017
Instrument214769
Transaction TypeTransfer
Record UpdatedNov 17, 2017

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer
  • Partial Interest

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address954 BANNOCK CT CONCORD CA 945183810, CONCORD, CA 94518-3810

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$650,489 (+2%) Land $463,493 Building $186,996
2025$7,917.00 (+4.14%)$637,735 (+4.04%) Land $454,405 Building $183,330
2023$7,602.00 (+0.88%)$612,973 Land $436,761 Building $176,212
2022$7,536.00

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
Nearby Flood Claims2 (1982–1986)
Most Recent ClaimFeb 1986 · Severe Storms & Flooding

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 99.8% of the US · lower than 99.8% of California
Wildfire LikelihoodUnder 0.01% 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 490 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber		10,000 / 10,000
AT&T
Fiber · DSL · Fixed Wireless in parts of the area		5,000 / 5,000
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: T-Mobile.

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