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21016 Cornerstone Dr, Walnut, CA 91789 Property Records

Los Angeles County property record for 21016 Cornerstone Dr, Walnut, CA 91789 · Last verified August 2026

Property Highlights

Property TypeResidential > Condominium / Townhouse > Condominium
Bedrooms4 Beds
Bathrooms3 Baths
Architecture StyleCondo/Apartment
Year BuiltBuilt 2018
Square Footage1,750 sqft Living Area
OccupancyOwner Occupied
Last Sale$679,000 (2017)
Tax Bill$9,893.00 (2025)

Property Details

APN / Parcel Number

Primary APN8720-047-088

Interior

Bedrooms4 Beds
Full Baths3 Baths
Building Area1,750 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 Address21016 CORNERSTONE DR
CityWALNUT
StateCA
Zip91789-2571
Property UsageResidential Property Usage
TypeResidential > Condominium / Townhouse > Condominium
Legal DescriptionTR=73294 LOT 43 PH 2 CONDO UNIT 47 (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 8720-047-088

Assessment roll updated May 21, 2026 · Last verified August 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 File
Mailing Address1340 W DAHLIA ST, LA HABRA, CA 90631-9281
OccupancyOwner Occupied
Owner TypeOwner is a Company
VestingOwner is a Trust, Trust

Deeds, Mortgages & Sale History

DateDocument
Feb 09, 2022Intrafamily Transfer, Transfer
ACCOMODATION, ACCOMMODATION
Feb 09, 2022Intrafamily Transfer, Transfer
May 26, 2021Intrafamily Transfer, Transfer
May 26, 2021Affidavit Death of Trustee/Successor Trustee, Transfer
ACCOMMODATION
Apr 29, 2021Intrafamily Transfer, Transfer
Sep 26, 2019Quit Claim Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleAug 23, 2017 · Amount on Record
Deed SaleAug 23, 2017 · Amount on Record
Deed Doc Number2017957074
Last Transfer DateFeb 08, 2022
Transfer Doc0000162381
Record RefreshedSep 20, 2026

February 2022: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionLOS ANGELES CA
Recording DateFeb 09, 2022
Property Address21016 CORNERSTONE DR, WALNUT, CA 91789-2571
Document Number0000162380
Map ReferenceDOC 20161327416
Instrument DateFeb 08, 2022
Instrument22-0162380
Transaction TypeTransfer
Record UpdatedFeb 17, 2022
Title CompanyACCOMODATION, ACCOMMODATION

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address30 CORPORATE PARK STE 210, 210, IRVINE, CA 92606-5121

February 2022: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionLOS ANGELES CA
Recording DateFeb 09, 2022
Property Address21016 CORNERSTONE DR, WALNUT, CA 91789-2571
Document Number0000162381
Map ReferenceDOC 20161327416
Instrument DateFeb 08, 2022
Instrument22-0162381
Transaction TypeTransfer
Record UpdatedJun 07, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name

May 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionLOS ANGELES CA
Recording DateMay 26, 2021
Property Address21016 CORNERSTONE DR, WALNUT, CA 91789-2571
Document Number0000845191
Map ReferenceMB 1390 PG 37-44
Instrument DateApr 27, 2021
Instrument21-0845191
Transaction TypeTransfer
Record UpdatedJun 07, 2021

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name

May 2021: Affidavit Death of Trustee/Successor Trustee, Transfer

Document TypeAffidavit Death of Trustee/Successor Trustee
JurisdictionLOS ANGELES CA
Recording DateMay 26, 2021
Property Address21016 CORNERSTONE DR, WALNUT, CA 91789-2571
Document Number0000845190
Map ReferenceMB 1390 PG 37-44
Instrument DateApr 27, 2021
Instrument21-0845190
Transaction TypeTransfer
Record UpdatedJun 07, 2023
Title CompanyACCOMMODATION

Transaction

Tax$0.00
Amount AccuracyZero or No Consideration Stated
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust

April 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionLOS ANGELES CA
Recording DateApr 29, 2021
Property Address21016 CORNERSTONE DR, WALNUT, CA 91789-2571
Document Number0000680761
Map ReferenceMB 1390 PG 37-44
Instrument DateDec 07, 2020
Instrument21-0680761
Transaction TypeTransfer
Record UpdatedMay 25, 2021

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address21016 CORNERSTONE DR, WALNUT, CA 91789-2571

September 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionLOS ANGELES CA
Recording DateSep 26, 2019
Property Address21016 CORNERSTONE DR, WALNUT, CA 91789-2571
Document Number0001007592
Instrument DateAug 30, 2019
Instrument1007592
Transaction TypeTransfer
Record UpdatedOct 04, 2019
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address1340 W DAHLIA ST LA HABRA CA 906319281, LA HABRA, CA 90631-9281

Tax Assessment & Valuation

Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified August 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$9,893.00 (+7.79%) Homeowner's exemption$801,540 (+4.04%) Land $260,324 Building $541,216
2023$9,178.00 (+2.15%) Homeowner's exemption$770,416 Land $250,216 Building $520,200
2022$8,985.00

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