Los Angeles County property record for 21052 Cornerstone Dr, Walnut, CA 91789 · Last verified June 2026
| Property Type | Residential > Condominium / Townhouse > Condominium |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 2018 |
| Square Footage | 1,750 sqft Living Area |
| Lot Size | 19,947 sqft (0.458 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $728,500 (2018) |
| Tax Bill | $10,110.00 (2025) |
| Primary APN | 8720-047-139 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 1,750 sqft Living Area |
| Year Built | Built 2018 |
|---|---|
| Effective Year Built | Effective 2018 |
| Architectural Style | Condo/Apartment Style |
| Construction Type | Wood Construction |
| Lot Area | 19,947 sqft (0.458 acres) |
| Cooling System | HVAC Cooling |
|---|---|
| Heating System | Central Heating |
| Street Address | 21052 CORNERSTONE DR |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-2571 |
| Property Usage | Residential Property Usage |
| Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | TR=73294 LOT 44 PH 11 CONDO UNIT 60 (AIRSPACE AND 1/9 INT IN COMMON AREA) |
| Legal Subdivision | GALLERY AT CORNERSTONE |
| Legal Tract | 73294 |
| Legal Block | 2 |
| Legal Lot Number | 44 |
| Jurisdiction | LOS ANGELES CA |
| Minor Civil Division | EAST SAN GABRIEL VALLEY |
| Census Blockgroup | 2 |
| Census Block | 2011 |
| Census Tract | 403402 |
Source: Los Angeles County records · APN 8720-047-139
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 | 21052 CORNERSTONE DR, WALNUT, CA 91789-2571 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Nov 02, 2021 | Deed of Trust, Mortgage · Line of Credit ROYAL BUSINESS BANK |
| Dec 11, 2018 | Grant Deed, Subdivision Related Transfer · Adjustable Rate Mortgage (ARM) SHEA MORTGAGE INC |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Dec 11, 2018 · Amount on Record |
| Deed Sale | Dec 11, 2018 · Amount on Record |
| Deed Doc Number | 20181251513 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 21052 CORNERSTONE DR, WALNUT, CA 91789-2571 |
| Transaction Type | Mortgage |
| Record Updated | Nov 10, 2021 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 19629 MULBERRY DR, WALNUT, CA 91789-5358 |
| Document Number | 0001642892 |
|---|---|
| Date | Nov 02, 2021 |
| Instrument | 21-1642892 |
| Name | ROYAL BUSINESS BANK |
|---|---|
| Type | Bank |
| Address | LOS ANGELES, CA 90017 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Dec 11, 2018 |
| Property Address | 21052 CORNERSTONE DR, WALNUT, CA 91789-2571 |
| Document Number | 0001251513 |
| Map Reference | MB 1390 PG 37-44 |
| Instrument Date | Nov 29, 2018 |
| Instrument | 18-1251513 |
| Transaction Type | Subdivision Related Transfer |
| Record Updated | Sep 22, 2021 |
| Title Company | FIDELITY NATIONAL TITLE GROU |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 21052 CORNERSTONE DR, WALNUT, CA 91789-2571 |
| Document Number | 0001251514 |
|---|---|
| Date | Dec 11, 2018 |
| Instrument | 18-1251514 |
| Name | SHEA MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Type | Adjustable Rate Mortgage (ARM) |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 01, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.75% |
| Type Change Date | Jan 01, 2024 |
| Change Frequency | Annually |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 6.75% |
| Index | 1-Year LIBOR |
| Max Rate | 9.75% |
Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Walnut City |
| Unified School District | Walnut Valley Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $10,110.00 (+7.71%) | $812,204 (+4.04%) Land $506,109 Building $306,095 |
| 2023 | $9,386.00 (+2.12%) | $780,667 Land $486,457 Building $294,210 |
| 2022 | $9,191.00 |
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