Los Angeles County property record for 19315 Platt River Dr, Walnut, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,478 sqft · built 1986 |
| Lot Size | 0.246 acres (10,727 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $12,019 (2025) |
| Deeds & Mortgages | Aug 2023 Transfer Apr 2023 Transfer |
| Flood Zone | Zone D (undetermined) |
| APN | 8735-054-016 |
| Primary APN | 8735-054-016 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,478 sqft Living Area |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1986 |
| Construction Type | Wood |
| Lot Area | 10,727 sqft (0.246 acres) |
| Lot Dimensions | 153 ft deep x 72 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 19315 PLATT RIVER DR |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-4367 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | WARPD14800 |
| Legal Description | TR=39528 LOT 9 |
| Legal Subdivision | 39528 |
| Legal Tract | 39528 |
| Legal Block | 5 |
| Legal Lot Number | 9 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 5 |
| Census Block | 5004 |
| Census Tract | 403408 |
Source: Los Angeles County records · APN 8735-054-016
Assessment roll updated May 21, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 19315 PLATT RIVER DR, WALNUT, CA 91789-4367 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Unmarried Man |
| Date | Document |
|---|---|
| Aug 08, 2023 | Affidavit of Death of Joint Tenant, Transfer |
| Apr 20, 2023 | Intrafamily Transfer, Transfer |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | May 07, 2024 |
| Transfer Doc | 0000333294 |
| Record Updated | Sep 20, 2026 |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Aug 08, 2023 |
| Property Address | 19315 PLATT RIVER DR, WALNUT, CA 91789-4367 |
| Document Number | 0000523841 |
| Map Reference | MB 1035 PG 31-33 |
| Instrument Date | Jul 06, 2023 |
| Instrument | 23-0523841 |
| Transaction Type | Transfer |
| Record Updated | Aug 22, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 130 N GARDEN ST UNIT 2124, 2124, VENTURA, CA 93001-2558 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Apr 20, 2023 |
| Property Address | 19315 PLATT RIVER DR, WALNUT, CA 91789-4367 |
| Document Number | 0000255636 |
| Map Reference | MB 1053 PG 31-33 |
| Instrument Date | May 30, 2021 |
| Instrument | 23-0255636 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 19315 PLATT RIVER DR, WALNUT, CA 91789-4367 |
Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Walnut City |
| Unified School District | Rowland Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $12,019.00 (+5.59%) Homeowner's exemption | $938,212 (+269.57%) Land $742,845 Building $195,367 |
| 2023 | $11,383.00 (+205.67%) Homeowner's exemption | $253,867 (+2%) Land $101,541 Building $152,326 |
| 2022 | $3,724.00 Homeowner's exemption | $248,890 Land $99,550 Building $149,340 |
Source: FEMA National Flood Hazard Layer as of September 30, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone D undetermined · not studied |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
Based on FCC filings for 225 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | SUBURBAN WATER SYSTEMS-SAN JOSE private · serves 170,523 people |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Aug 2024 |
| Also Mapped Here | THREE VALLEYS MWD |
| Lead | Under 1 ppb (2023–2025) 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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