Los Angeles County property record for 21060 Stonybrook Dr, Walnut, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4 ba · 2,789 sqft · built 1988 |
| Lot Size | 0.443 acres (19,309 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $2,507 (2025) |
| Deeds & Mortgages | Nov 2019 Transfer Nov 2019 Transfer |
| Flood Zone | Zone D (undetermined) |
| APN | 8709-061-028 |
| Primary APN | 8709-061-028 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Building Area | 2,789 sqft Living Area |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Construction Type | Wood |
| Lot Area | 19,309 sqft (0.443 acres) |
| Lot Dimensions | 110 ft deep x 185 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 21060 STONYBROOK DR |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-5012 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | WARPD28500 |
| Legal Description | TR=40716 LOT 28 |
| Legal Subdivision | 40716 |
| Legal Tract | 40716 |
| Legal Block | 3 |
| Legal Lot Number | 28 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 403403 |
Source: Los Angeles County records · APN 8709-061-028
Assessment roll updated May 21, 2026 · Last verified June 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 File |
|---|---|
| Mailing Address | 21060 STONYBROOK DR, WALNUT, CA 91789-5012 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Nov 13, 2019 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Nov 13, 2019 | Affidavit of Death, Transfer NOT AVAILABLE |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Nov 07, 2019 |
| Transfer Doc | 0001227474 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Nov 13, 2019 |
| Property Address | 21060 STONYBROOK DR, WALNUT, CA 91789-5012 |
| Document Number | 0001227474 |
| Instrument Date | Nov 07, 2019 |
| Instrument | 1227474 |
| Transaction Type | Transfer |
| Record Updated | Nov 18, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 21060 STONYBROOK DR WALNUT CA 917895012, WALNUT, CA 91789-5012 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Nov 13, 2019 |
| Property Address | 21060 STONYBROOK DR, WALNUT, CA 91789-5012 |
| Document Number | 0001227473 |
| Instrument Date | Nov 07, 2019 |
| Instrument | 1227473 |
| Transaction Type | Transfer |
| Record Updated | Nov 18, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 21060 STONYBROOK DR WALNUT CA 917895012, WALNUT, CA 91789-5012 |
Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Walnut City |
| Unified School District | Walnut Valley Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $2,507.00 (+15.32%) Homeowner's exemption | $110,259 (+4.04%) Land $74,007 Building $36,252 |
| 2023 | $2,174.00 (+1.83%) Homeowner's exemption | $105,980 Land $71,134 Building $34,846 |
| 2022 | $2,135.00 |
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 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Frontier, T-Mobile USA.
Based on FCC filings for 260 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 | WALNUT VALLEY WATER DISTRICT serves 100,941 people |
|---|---|
| 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 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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