Los Angeles County property record for 21065 Stonybrook Dr, Walnut, CA 91789 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 4 Baths |
| Year Built | Built 1988 |
| Square Footage | 2,789 sqft Living Area |
| Lot Size | 20,520 sqft (0.471 acres) |
| Occupancy | Owner Occupied |
| Tax Bill | $8,140.00 (2025) |
| Primary APN | 8709-061-033 |
|---|
| 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 Construction |
| Lot Area | 20,520 sqft (0.471 acres) |
| Depth X Width | 214 ft x 118 ft Depth x Width |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Central Heating |
| Street Address | 21065 STONYBROOK DR |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-5013 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TR=40716 LOT 33 |
| Legal Subdivision | 40716 |
| Legal Tract | 40716 |
| Legal Block | 3 |
| Legal Lot Number | 33 |
| Jurisdiction | LOS ANGELES CA |
| Minor Civil Division | EAST SAN GABRIEL VALLEY |
| Census Blockgroup | 3 |
| Census Block | 3001 |
| Census Tract | 403403 |
Source: Los Angeles County records · APN 8709-061-033
Assessment roll updated May 21, 2026 · Last verified June 2026
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| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 21065 STONYBROOK DR, WALNUT, CA 91789-5013 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Trustor/Debtor (Borrower in Default/Foreclosure On Trustee's Deed) |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Refreshed | Sep 20, 2026 |
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 is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $8,140.00 (+8.46%) Homeowner's exemption | $592,776 (+4.04%) Land $236,428 Building $356,348 |
| 2023 | $7,505.00 (+2.01%) Homeowner's exemption | $569,760 Land $227,249 Building $342,511 |
| 2022 | $7,357.00 |
21065 Stonybrook Dr is in FEMA Zone D, outside the Special Flood Hazard Area, with direct wildfire exposure (Low risk).
Source: FEMA National Flood Hazard Layer · Los Angeles County (06037C), updated September 30, 2026
| FEMA Flood Zone | Zone D flood hazard undetermined — not studied |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Low 38th percentile of exposed land nationally · 23rd in California |
|---|---|
| Wildfire Likelihood | Moderate — about 1 in 1,639 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
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