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21006 Cornerstone Dr, Walnut, CA 91789 Property Records

Los Angeles County property record for 21006 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 Footage1,760 sqft Living Area
Last Sale$669,000 (2017)
Tax Bill$9,584.00 (2025)

Property Details

APN / Parcel Number

Primary APN8720-047-082

Interior

Bedrooms4 Beds
Full Baths3 Baths
Building Area1,760 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 Address21006 CORNERSTONE DR
CityWALNUT
StateCA
Zip91789-2571
Property UsageResidential Property Usage
TypeResidential > Condominium / Townhouse > Condominium
Legal DescriptionTR=73294 LOT 42 PH 4 CONDO UNIT 41 (AIRSPACE AND 1/9 INT IN COMMON AREA)
Legal SubdivisionTHE MANAGEMENT TRUST CORNERSTONE
Legal Tract73294
Legal Block2
Legal Lot Number42
JurisdictionLOS ANGELES CA
Minor Civil DivisionEAST SAN GABRIEL VALLEY
Census Blockgroup2
Census Block2011
Census Tract403402

Owner

Source: Los Angeles County records · APN 8720-047-082

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 RecordCompany Name on File
Mailing Address935 ROSE DR, GLENDORA, CA 91741-2288
Owner TypeOwner is a Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleOct 11, 2017 · Amount on Record
Deed SaleOct 11, 2017 · Amount on Record
Deed Doc Number20171164558
Record RefreshedSep 20, 2026

February 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionLOS ANGELES CA
Recording DateFeb 05, 2018
Property Address21006 CORNERSTONE DR, WALNUT, CA 91789-2571
Document Number0000116210
Instrument DateJan 27, 2018
Instrument116210
Transaction TypeTransfer
Record UpdatedMay 07, 2018
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address935 ROSE DR GLENDORA CA 917412288, GLENDORA, CA 91741-2288

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$9,584.00 (+5.12%)$766,893 (+4.04%) Land $311,763 Building $455,130
2024$9,117.00 (+2.54%)
2023$8,891.00 (+2.12%)$737,114 Land $299,657 Building $437,457
2022$8,706.00

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