20978 Cornerstone Dr, Walnut, CA 91789 Property Records

Los Angeles County property record for 20978 Cornerstone Dr, Walnut, CA 91789 · Last verified June 2026

Property Highlights

Property Type	Residential > Condominium / Townhouse > Condominium
Bedrooms	4 Beds
Bathrooms	3 Baths
Architecture Style	Condo/Apartment
Year Built	Built 2018
Square Footage	1,750 sqft Living Area
Occupancy	Owner Occupied
Last Sale	$680,000 (2020)
Tax Bill	$9,140.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`8720-047-102`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Building Area	1,750 sqft Living Area

Exterior

Year Built	Built 2018
Effective Year Built	Effective 2018
Architectural Style	Condo/Apartment Style
Construction Type	Wood Construction

Utilities and HVAC

Cooling System	HVAC Cooling
Heating System	Central Heating

Location & Zoning

Street Address	20978 CORNERSTONE DR
City	WALNUT
State	CA
Zip	91789-2567
Property Usage	Residential Property Usage
Type	Residential > Condominium / Townhouse > Condominium
Legal Description	TR=73294 LOT 41 PH 6 CONDO UNIT 33 (AIRSPACE AND 1/9 INT IN COMMON AREA)
Legal Subdivision	GALLERY AT CORNERSTONE
Legal Tract	73294
Legal Block	2
Legal Lot Number	41
Jurisdiction	LOS ANGELES CA
Minor Civil Division	EAST SAN GABRIEL VALLEY
Census Blockgroup	2
Census Block	2011
Census Tract	403402

Owner

Source: Los Angeles County records · APN 8720-047-102

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 Record	2 Individual Names on File
Mailing Address	20978 CORNERSTONE DR, WALNUT, CA 91789-2567
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Dec 01, 2020 · Amount on Record
Deed Sale	Dec 01, 2020 · Amount on Record
Prior Sale	Dec 18, 2017 · Amount on Record
Deed Doc Number	20201541600
Record Refreshed	Sep 20, 2026

December 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Dec 01, 2020
Property Address	20978 CORNERSTONE DR, WALNUT, CA 91789-2567
Document Number	0001541600
Map Reference	MB 1390 PG 37-44
Instrument Date	Oct 15, 2020
Instrument	20-1541600
Transaction Type	Transfer
Record Updated	Jul 20, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded Values by County

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property (Marital Community) with Rights of Survivorship
Address	20978 CORNERSTONE DR, WALNUT, CA 91789-2567
Investor	Possibly a Property Investor

Mortgage

Document Number	0001541601
Date	Dec 01, 2020
Instrument	20-1541601

Lender

Name	BROKER SOLUTIONS INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Dec 01, 2050

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Los Angeles County
Municipality	Walnut City
Unified School District	Walnut 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.

Year	Tax Bill	Assessed Value
2025	$9,140.00 (+7.91%) Homeowner's exemption	$736,050 (+4.04%) Land $431,023 Building $305,027
2023	$8,470.00 (+2.15%) Homeowner's exemption	$707,471 Land $414,287 Building $293,184
2022	$8,292.00