Los Angeles County property record for 20819 E Boulder Ln, Diamond Bar, CA 91789 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 1987 |
| Square Footage | 1,546 sqft Living Area |
| Lot Size | 5,390 sqft (0.124 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $685,000 (2020) |
| Tax Bill | $10,045.00 (2025) |
| Primary APN | 8765-019-042 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 1,546 sqft Living Area |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Construction Type | Wood Construction |
| Lot Area | 5,390 sqft (0.124 acres) |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Central Heating |
| Street Address | 20819 E BOULDER LN |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-4056 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TR=43760 LOT 80 |
| Legal Subdivision | 43760 |
| Legal Tract | 43760 |
| Legal Block | 1 |
| Legal Lot Number | 80 |
| Jurisdiction | LOS ANGELES CA |
| Minor Civil Division | EAST SAN GABRIEL VALLEY |
| Census Blockgroup | 1 |
| Census Block | 1001 |
| Census Tract | 403305 |
Source: Los Angeles County records · APN 8765-019-042
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 | Individual Name on File |
|---|---|
| Mailing Address | 20819 E BOULDER LN, WALNUT, CA 91789-4056 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Dec 23, 2020 | Deed of Trust, Mortgage · Conventional Mortgage JTL BUSN GROUP INC |
| Mar 31, 2020 | Grant Deed, Transfer · Conventional Mortgage JTL BUSN GROUP INC |
| Jun 29, 2017 | Deed of Trust, Mortgage · Conventional Mortgage PHILIP B YOUNG |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Mar 31, 2020 · Amount on Record |
| Deed Sale | Mar 31, 2020 · Amount on Record |
| Prior Sale | Jun 16, 2008 · Amount on Record |
| Deed Doc Number | 2020364968 |
| Prior Transfer Date | Dec 05, 2007 |
| Prior Transfer Doc | 0002828143 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 20819 E BOULDER LN, DIAMOND BAR, CA 91789-4056 |
| Document Number | 0000011772 |
| Instrument Date | Dec 23, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jan 11, 2021 |
| Title Company | STEWART TITLE, STEWART TITLE/CA |
| Name | Verified Name |
|---|---|
| Address | 20819 E BOULDER LN DIAMOND BAR CA 917894056, DIAMOND BAR, CA 91789-4056 |
| Document Number | 0000011772 |
|---|---|
| Date | Jan 05, 2021 |
| Instrument | 11772 |
| Name | JTL BUSN GROUP INC |
|---|---|
| Address | ROWLAND HEIGHTS, CA 91748 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jan 04, 2051 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Mar 31, 2020 |
| Property Address | 20819 E BOULDER LN, DIAMOND BAR, CA 91789-4056 |
| Document Number | 0000364968 |
| Instrument Date | Mar 20, 2020 |
| Instrument | 364968 |
| Transaction Type | Transfer |
| Record Updated | Apr 07, 2020 |
| Title Company | STEWART TITLE, STEWART TITLE/CA |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $754.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 20819 E BOULDER LN DIAMOND BAR CA 917894056, DIAMOND BAR, CA 91789-4056 |
| Document Number | 364969 |
|---|---|
| Date | Mar 31, 2020 |
| Instrument | 364969 |
| Name | JTL BUSN GROUP INC |
|---|---|
| Address | ROWLAND HEIGHTS, CA 91748 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Mar 30, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 20819 E BOULDER LN, DIAMOND BAR, CA 91789-4056 |
| Document Number | 0000771743 |
| Instrument Date | Jun 29, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Jul 17, 2017 |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenant/Joint Tenant w/ Right Of Survivorship |
| Address | 20819 E BOULDER LN DIAMOND BAR CA 917894056, DIAMOND BAR, CA 91789-4056 |
| Document Number | 0000771743 |
|---|---|
| Date | Jul 11, 2017 |
| Instrument | 771743 |
| Name | PHILIP B YOUNG |
|---|---|
| Address | 2705 S DIAMOND BAR BLVD # 78, DIAMOND BAR, CA 91765-3512 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Diamond Bar 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 | $10,045.00 (+7.53%) Homeowner's exemption | $749,143 (+4.04%) Land $535,884 Building $213,259 |
| 2023 | $9,342.00 (+2.2%) Homeowner's exemption | $720,055 Land $515,076 Building $204,979 |
| 2022 | $9,141.00 |
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