Los Angeles County property record for 20740 E Rim Ln, Diamond Bar, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,747 sqft · built 1987 |
| Lot Size | 0.174 acres (7,582 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $325,000 (Oct 1997) |
| Tax Bill | $7,884 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8765-022-038 |
| Primary APN | 8765-022-038 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Stories | 2 Stories |
| Building Area | 2,747 sqft Living Area |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Tile |
| Lot Area | 7,582 sqft (0.174 acres) |
| Lot Dimensions | 107 ft deep x 33 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 20740 E RIM LN |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-4000 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCRPD10000 |
| Legal Description | TR=44824 LOT 0038 |
| Legal Subdivision | 44824 |
| Legal Tract | 44824 |
| Legal Block | 1 |
| Legal Lot Number | 0038 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 403305 |
Source: Los Angeles County records, as of May 21, 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 | 20740 E RIM LN, WALNUT, CA 91789-4000 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 10, 1997 · Amount on Record |
| Deed Sale | Oct 10, 1997 · Amount on Record |
| Prior Sale | Mar 24, 1997 · Amount on Record |
| Deed Document Number | 19971580869 |
| Prior Transfer Date | Jan 5, 1995 |
| Prior Transfer Doc | 0000086040 |
| Record Updated | Sep 20, 2026 |
Source: Los Angeles County assessment roll, as of May 21, 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 |
|---|---|---|
| 2025 | $7,884.00 (+8.73%) | $536,226 (+4.04%) Land $150,400 Building $385,826 |
| 2023 | $7,251.00 (+2.18%) | $515,405 Land $144,560 Building $370,845 |
| 2022 | $7,096.00 |
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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
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 265 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
May also be available: Frontier, GeoLinks, T-Mobile, Verizon.
5G (outdoors only) and 4G LTE
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