Los Angeles County property record for 21008 Cornerstone Dr, Walnut, CA 91789 · Last verified June 2026
| 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 | $703,500 (2017) |
| Tax Bill | $9,976.00 (2025) |
| Primary APN | 8720-047-081 |
|---|
| 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 |
| Cooling System | HVAC Cooling |
|---|---|
| Heating System | Central Heating |
| Street Address | 21008 CORNERSTONE DR |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-2571 |
| Property Usage | Residential Property Usage |
| Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | TR=73294 LOT 42 PH 4 CONDO UNIT 40 (AIRSPACE AND 1/9 INT IN COMMON AREA) |
| Legal Subdivision | GALLERY AT CORNERSTONE |
| Legal Tract | 73294 |
| Legal Block | 2 |
| Legal Lot Number | 42 |
| 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 8720-047-081
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 | 21008 CORNERSTONE DR, WALNUT, CA 91789-2571 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Mar 02, 2021 | Deed of Trust, Mortgage · Conventional Mortgage UNI FIRST INVESTMENT INC |
| May 21, 2019 | Deed of Trust, Mortgage · Conventional Mortgage UNI FIRST INVESTMENT INC |
| Sep 25, 2017 | Grant Deed, Subdivision Related Transfer · Adjustable Rate Mortgage (ARM) STERLING BANK & TRUST FSB |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 25, 2017 · Amount on Record |
| Deed Sale | Sep 25, 2017 · Amount on Record |
| Deed Doc Number | 20171092861 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 21008 CORNERSTONE DR, WALNUT, CA 91789-2571 |
| Transaction Type | Mortgage |
| Record Updated | Mar 10, 2021 |
| Title Company | PACIFIC COAST TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 3600 EISENHOWER LN, PLANO, TX 75023-3800 |
| Document Number | 0000343208 |
|---|---|
| Date | Mar 02, 2021 |
| Instrument | 21-0343208 |
| Name | UNI FIRST INVESTMENT INC |
|---|---|
| Type | Non-Lending Institution |
| Address | ALHAMBRA, CA 91801 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Mar 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 21008 CORNERSTONE DR, WALNUT, CA 91789-2571 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000461332 |
|---|---|
| Date | May 21, 2019 |
| Instrument | 19-0461332 |
| Name | UNI FIRST INVESTMENT INC |
|---|---|
| Type | Non-Lending Institution |
| Address | ALHAMBRA, CA 91801 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 01, 2049 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Sep 25, 2017 |
| Property Address | 21008 CORNERSTONE DR, WALNUT, CA 91789-2571 |
| Document Number | 0001092861 |
| Map Reference | MB1390 PG37-44 |
| Instrument Date | Sep 08, 2017 |
| Instrument | 17-1092861 |
| Transaction Type | Subdivision Related Transfer |
| Record Updated | Sep 22, 2021 |
| Title Company | FNTG BUILDER SERVICES |
| 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 | Community Property (Marital Community) with Rights of Survivorship |
| Address | 21008 CORNERSTONE DR, WALNUT, CA 91789-2571 |
| Document Number | 0001092862 |
|---|---|
| Date | Sep 25, 2017 |
| Instrument | 17-1092862 |
| Name | STERLING BANK & TRUST FSB |
|---|---|
| Type | Bank |
| Type | Adjustable Rate Mortgage (ARM) |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.62% |
| Type Change Date | Oct 01, 2020 |
| Change Frequency | Annually |
| Min Rate At Change | 4.32% |
| Max Rate At Change | 8.62% |
| Index | 1-Year LIBOR |
| Max Rate | 11.6% |
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 | $9,976.00 (+7.72%) | $800,459 (+4.04%) Land $231,546 Building $568,913 |
| 2023 | $9,261.00 (+2.13%) | $769,377 Land $222,555 Building $546,822 |
| 2022 | $9,068.00 |
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