Los Angeles County property record for 21020 Riego Dr, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,325 sqft · built 1980 |
| Lot Size | 0.179 acres (7,813 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $575,000 (May 2012) |
| Tax Bill | $9,269 (2025) |
| Deeds & Mortgages | Mar 2021 Mortgage Jun 2018 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 8765-013-019 |
| Primary APN | 8765-013-019 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,325 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Contemporary |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 7,813 sqft (0.179 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 21020 RIEGO DR |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-3464 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCCPD-RPD1 |
| Legal Description | *TR=33104 LOT 35 |
| Legal Subdivision | 33104 |
| Legal Tract | 33104 |
| Legal Block | 1 |
| Legal Lot Number | 35 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 403305 |
Source: Los Angeles County records, as of August 25, 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 Record |
|---|---|
| Mailing Address | 21020 RIEGO DR, DIAMOND BAR, CA 91765-3464 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Mar 23, 2021 | Deed of Trust, Mortgage · Conventional Mortgage NMSI INC |
| Jun 12, 2018 | Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 25, 2012 · Amount on Record |
| Deed Sale | May 25, 2012 · Amount on Record |
| Deed Document Number | 2012781454 |
| Prior Transfer Date | Oct 4, 1999 |
| Prior Transfer Doc | 0002092226 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 21020 RIEGO DR, DIAMOND BAR, CA 91765-3464 |
| Transaction Type | Mortgage |
| Record Updated | Apr 1, 2021 |
| Title Company | WFG NATIONAL TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 21020 RIEGO DR, DIAMOND BAR, CA 91765-3464 |
| Document Number | 0000460382 |
|---|---|
| Date | Mar 23, 2021 |
| Instrument | 21-0460382 |
| Name | NMSI INC |
|---|---|
| Type | Mortgage Company |
| Address | LOS ANGELES, CA 90010 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Apr 1, 2036 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 21020 RIEGO DR, DIAMOND BAR, CA 91765-3464 |
| Document Number | 0000629599 |
| Instrument Date | Jun 12, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Jun 28, 2018 |
| Title Company | WFG LENDER SERVICES |
| Name | Verified Name |
|---|---|
| Address | 21020 RIEGO DR DIAMOND BAR CA 917653464, DIAMOND BAR, CA 91765-3464 |
| Document Number | 0000629599 |
|---|---|
| Date | Jun 22, 2018 |
| Instrument | 629599 |
| Name | BANK OF AMERICA |
|---|---|
| Type | Bank |
| Address | TAMPA, FL 33634 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Diamond Bar City |
| Unified School District | Walnut Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $736,663 (+2%) Land $384,347 Building $352,316 | |
| 2025 | $9,269.00 (+7.97%) Homeowner's exemption | $722,219 (+4.04%) Land $376,811 Building $345,408 |
| 2023 | $8,585.00 (+2.13%) Homeowner's exemption | $694,177 Land $362,180 Building $331,997 |
| 2022 | $8,406.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective September 30, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 62% of the US · lower than 77% of California |
|---|---|
| Wildfire Likelihood | 0.06% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | WALNUT VALLEY WATER DISTRICT serves 100,941 people · EPA ID CA1910234 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jun 2023 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 257 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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