Los Angeles County property record for 22737 Timbertop Ln, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 5 ba · 4,064 sqft · built 1976 |
| Lot Size | 1.26 acres (55,283 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,650,000 (Jan 2016) |
| Tax Bill | $24,402 (2025) |
| Deeds & Mortgages | Jul 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 8713-028-009 |
| Primary APN | 8713-028-009 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 5 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 4,064 sqft Living Area |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1978 |
| Construction Type | Wood |
| Lot Area | 55,283 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 22737 TIMBERTOP LN |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-3250 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR120000* |
| Legal Description | TRACT NO 30578 LOT 127 |
| Legal Subdivision | 30578 |
| Legal Tract | 30578 |
| Legal Block | 1 |
| Legal Lot Number | 127 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 403324 |
Source: Los Angeles County records, as of June 12, 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 | 22737 TIMBERTOP LN, DIAMOND BAR, CA 91765-3250 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 11, 2016 · Amount on Record |
| Deed Sale | Jan 11, 2016 · Amount on Record |
| Prior Sale | Jan 29, 2010 · Amount on Record |
| Deed Document Number | 201628674 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 22737 TIMBERTOP LN, DIAMOND BAR, CA 91765-3250 |
| Transaction Type | Mortgage |
| Record Updated | Jul 29, 2022 |
| Name | Verified Name |
|---|---|
| Address | 22737 TIMBERTOP LN, DIAMOND BAR, CA 91765-3250 |
| Document Number | 0000739045 |
|---|---|
| Date | Jul 19, 2022 |
| Instrument | 22-0739045 |
| Name | GUANDONG HONGDA GROUP INC |
|---|---|
| Type | Non-Lending Institution |
| Address | ROWLAND HEIGHTS, CA 91748 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
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 | $24,402.00 (+7.83%) | $1,953,258 (+4.04%) Land $1,265,475 Building $687,783 |
| 2023 | $22,631.00 (+2.31%) | $1,877,413 Land $1,216,336 Building $661,077 |
| 2022 | $22,120.00 |
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 | Moderate above 55% of the US · lower than 67% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 90 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 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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