21058 Cornerstone Dr, Walnut, CA 91789 Property Records

Los Angeles County property record for 21058 Cornerstone Dr, Walnut, CA 91789 · Last verified August 2026

Property Highlights

Property TypeResidential > Condominium / Townhouse > Condominium
Bedrooms4 Beds
Bathrooms3 Baths
Year BuiltBuilt 2018
Square Footage1,750 sqft Living Area
Lot Size19,947 sqft (0.458 acres)
OccupancyOwner Occupied
Last Sale$749,000 (2019)
Tax Bill$10,383.00 (2025)

Property Details

APN / Parcel Number

Primary APN8720-047-137

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
Lot Area19,947 sqft (0.458 acres)

Utilities and HVAC

Cooling SystemHVAC Cooling
Heating SystemCentral Heating

Location & Zoning

Street Address21058 CORNERSTONE DR
CityWALNUT
StateCA
Zip91789-2571
Property UsageResidential Property Usage
TypeResidential > Condominium / Townhouse > Condominium
Legal DescriptionTR=73294 LOT 44 PH 11 CONDO UNIT 58 (AIRSPACE AND 1/9 INT IN COMMON AREA)
Legal Tract73294
Legal Block2
Legal Lot Number44
JurisdictionLOS ANGELES CA
Minor Civil DivisionEAST SAN GABRIEL VALLEY
Census Blockgroup2
Census Block2011
Census Tract403402

Owner

Source: Los Angeles County records · APN 8720-047-137

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 Individual Names on File
Mailing Address21058 CORNERSTONE DR, WALNUT, CA 91789-2571
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleFeb 11, 2019 · Amount on Record
Deed SaleFeb 11, 2019 · Amount on Record
Deed Doc Number2019123373
Last Transfer DateDec 10, 2024
Transfer Doc0000028684
Record RefreshedSep 20, 2026

February 2019: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionLOS ANGELES CA
Recording DateFeb 11, 2019
Property Address21058 CORNERSTONE DR, WALNUT, CA 91789-2571
Document Number0000123373
Instrument DateJan 31, 2019
Instrument123373
Transaction TypeTransfer
Record UpdatedFeb 25, 2019
Title CompanyFNTG BUILDER SERVICES, FNTG BUILDER SVCS

Transaction

AmountAmount Recorded
Tax$823.90
Amount AccuracyFull Value
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address21058 CORNERSTONE DR WALNUT CA 917892571, WALNUT, CA 91789-2571

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$10,383.00 (+5%)$835,518 (+4.04%) Land $277,762 Building $557,756
2024$9,889.00 (+2.54%)
2023$9,644.00 (+2.13%)$803,076 Land $266,977 Building $536,099
2022$9,443.00

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