30 Harmony Ln, Walnut Creek, CA 94597 Property Records

Contra Costa County property record for 30 Harmony Ln, Walnut Creek, CA 94597

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 2,270 sqft · built 1948
Lot Size0.374 acres (16,300 sqft)
OwnerCompany Name on File
Tax Bill$3,340 (2025)
Deeds & MortgagesDec 2018 Transfer
Jul 2018 Transfer
Flood ZoneZone X (minimal risk)
APN171-020-024-5

Property Details

APN / Parcel Number

Primary APN171-020-024-5
Alternative APN
  • 171-020-024

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms9 Rooms
Stories2 Stories
Building Area2,270 sqft Living Area
1st Floor Area1,472 sqft
2nd Floor Area798 sqft

Exterior

Year BuiltBuilt 1948
Effective Year BuiltEffective 1958
Lot Area16,300 sqft (0.374 acres)
Garage TypeAttached
Garage Area952 sqft
Parking Spaces4 Parking Spaces

Location & Zoning

Street Address30 HARMONY LN
CityWALNUT CREEK
StateCA
Zip94597-2435
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10
Legal DescriptionLARKEY RANCH SUBN #2 POR LOT 60
Legal SubdivisionLARKEY RANCH SUB
Legal Lot Number60
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1000
Census Tract340003

Owner

Source: Contra Costa County assessment roll, 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 RecordCompany Name on File
Mailing Address30 HARMONY LN, WALNUT CREEK, CA 94597-2435
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Dec 26, 2018Quit Claim Deed, Transfer
ATTORNEY ONLY
Jul 17, 2018Affidavit of Death, Transfer

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last Transfer DateDec 19, 2018
Transfer Doc0000205467
Record UpdatedSep 20, 2026

December 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateDec 26, 2018
Property Address30 HARMONY LN, WALNUT CREEK, CA 94597-2435
Document Number0000205467
Instrument DateDec 19, 2018
Instrument205467
Transaction TypeTransfer
Record UpdatedJan 7, 2019
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address30 HARMONY LN WALNUT CREEK CA 945972435, WALNUT CREEK, CA 94597-2435

July 2018: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionCONTRA COSTA CA
Recording DateJul 17, 2018
Property Address30 HARMONY LN, WALNUT CREEK, CA 94597-2435
Document Number0000113599
Instrument DateJul 11, 2018
Instrument113599
Transaction TypeTransfer
Record UpdatedJul 23, 2018

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address30 HARMONY LN WALNUT CREEK CA 945972435, WALNUT CREEK, CA 94597-2435

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$209,257 (+2%) Land $33,717 Building $175,540
2025$3,340.00 (+4.24%) Homeowner's exemption$205,155 (+4.04%) Land $33,056 Building $172,099
2023$3,204.00 (+4.91%) Homeowner's exemption$197,190 Land $31,773 Building $165,417
2022$3,054.00

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 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 RiskNot rated
no burnable land within ember reach

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 460 locations within half a mile, as of December 31, 2025

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

May also be available: Sonic Telecom.

Nearby Properties on Harmony Ln

Nearby Streets

Search Property Records by Address or Parcel Number