Los Angeles County property record for 20505 Clearspring Ct, Diamond Bar, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,525 sqft · built 1987 |
| Lot Size | 0.449 acres (19,539 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $6,910 (2025) |
| Deeds & Mortgages | Jan 2026 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 8763-020-005 |
| Primary APN | 8763-020-005 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 2,525 sqft Living Area |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Construction Type | Wood |
| Lot Area | 19,539 sqft (0.449 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 20505 CLEARSPRING CT |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-3887 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR110000* |
| Legal Description | *TR=33645 LOT 54 |
| Legal Subdivision | 33645 |
| Legal Tract | 33645 |
| Legal Block | 3 |
| Legal Lot Number | 54 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 408707 |
20505 Clearspring Ct is owner-occupied and held in a trust since October 2025.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 20505 CLEARSPRING CT, WALNUT, CA 91789-3887 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Oct 10, 2025 |
| Transfer Doc | 0000033784 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Jan 14, 2026 |
| Property Address | 20505 CLEARSPRING CT, DIAMOND BAR, CA 91789-3887 |
| Document Number | 0000033784 |
| Map Reference | MB 917 PG 46-50 |
| Instrument Date | Oct 10, 2025 |
| Instrument | 26-0033784 |
| Transaction Type | Transfer |
| Record Updated | Jan 30, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 20505 CLEARSPRING CT, WALNUT, CA 91789-3887 |
The 2025 property tax bill for 20505 Clearspring Ct was $6,910.
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 | $522,745 (+2%) Land $175,226 Building $347,519 | |
| 2025 | $6,910.00 Homeowner's exemption | $512,508 Land $171,791 Building $340,717 |
| 2023 | $6,346.00 (+2.12%) Homeowner's exemption | $492,609 Land $165,121 Building $327,488 |
| 2022 | $6,214.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 20505 Clearspring Ct in Zone X, an area of minimal flood risk.
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.
The area around 20505 Clearspring Ct has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 496 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, Verizon.
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