21038 Cornerstone Dr, Walnut, CA 91789 Property Records

Los Angeles County property record for 21038 Cornerstone Dr, Walnut, CA 91789 · Last verified June 2026

Property Highlights

Property TypeResidential > Condominium / Townhouse > Condominium
Bedrooms4 Beds
Bathrooms3 Baths
Architecture StyleCondo/Apartment
Year BuiltBuilt 2018
Square Footage1,830 sqft Living Area
Last Sale$728,000 (2017)
Tax Bill$10,495.00 (2025)

Property Details

APN / Parcel Number

Primary APN8720-047-090

Interior

Bedrooms4 Beds
Full Baths3 Baths
Building Area1,830 sqft Living Area

Exterior

Year BuiltBuilt 2018
Effective Year BuiltEffective 2018
Architectural StyleCondo/Apartment Style
Construction TypeWood Construction

Utilities and HVAC

Cooling SystemHVAC Cooling
Heating SystemCentral Heating

Location & Zoning

Street Address21038 CORNERSTONE DR
CityWALNUT
StateCA
Zip91789-2571
Property UsageResidential Property Usage
TypeResidential > Condominium / Townhouse > Condominium
Legal DescriptionTR=73294 LOT 43 PH 2 CONDO UNIT 49 (AIRSPACE AND 1/9 INT IN COMMON AREA)
Legal SubdivisionGALLERY AT CORNERSTONE
Legal Tract73294
Legal Block2
Legal Lot Number43
JurisdictionLOS ANGELES CA
Minor Civil DivisionEAST SAN GABRIEL VALLEY
Census Blockgroup2
Census Block2011
Census Tract403402

Owner

Source: Los Angeles County records · APN 8720-047-090

Assessment roll updated May 21, 2026 · Last verified June 2026

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

Owner of RecordIndividual Name on File
Mailing Address653 SILVER VALLEY TRL, WALNUT, CA 91789-2084
Owner TypeOwner is an Individual, Couple or Unincorporated Entity
VestingSole Owner

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleMay 16, 2017 · Amount on Record
Deed SaleMay 16, 2017 · Amount on Record
Deed Doc Number2017540565
Prior Transfer DateMay 12, 2017
Prior Transfer Doc0000540566
Record RefreshedSep 20, 2026

Tax Assessment & Valuation

Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified June 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyLos Angeles County
MunicipalityWalnut City
Unified School DistrictWalnut Valley Unified School District (KG - 12)

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2025$10,495.00 (+7.71%)$844,903 (+4.04%) Land $290,145 Building $554,758
2023$9,744.00 (+2.13%)$812,096 Land $278,879 Building $533,217
2022$9,541.00

Nearby Properties on Cornerstone Dr

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