Los Angeles County property record for 20815 E Rim Ln, Diamond Bar, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,546 sqft · built 1988 |
| Lot Size | 0.113 acres (4,938 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $525,000 (Oct 2007) |
| Tax Bill | $9,400 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8765-018-004 |
| Primary APN | 8765-018-004 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 1,546 sqft Living Area |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Construction Type | Wood |
| Lot Area | 4,938 sqft (0.113 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 20815 E RIM LN |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-4010 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCRPD10000 |
| Legal Description | TR=43760 LOT 4 |
| Legal Subdivision | 43760 |
| Legal Tract | 43760 |
| Legal Block | 1 |
| Legal Lot Number | 4 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1001 |
| 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 Company Names on Record |
|---|---|
| Mailing Address | PO BOX 821, WALNUT, CA 91788-0821 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 19, 2007 · Amount on Record |
| Deed Sale | Oct 19, 2007 · Amount on Record |
| Prior Sale | Jul 20, 2007 · Amount on Record |
| Deed Document Number | 20072381294 |
| Last Transfer Date | Jun 11, 2024 |
| Transfer Doc | 0000396408 |
| 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 | $9,400.00 (+7.24%) | $689,584 (+4.04%) Land $374,347 Building $315,237 |
| 2023 | $8,765.00 (+2.19%) | $662,808 Land $359,811 Building $302,997 |
| 2022 | $8,577.00 |
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 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 327 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
May also be available: Frontier, GeoLinks, T-Mobile, Verizon.
5G (outdoors only) and 4G LTE
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