Los Angeles County property record for 556 Castlehill Dr, Walnut, CA 91789
| Property Type | Residential Vacant Land |
|---|---|
| Details | 1 bd · 1 ba · 1,030 sqft · built 1950 |
| Lot Size | 0.381 acres (16,588 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $1,529 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8722-013-046 |
| Primary APN | 8722-013-046 |
|---|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Building Area | 1,030 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Lot Area | 16,588 sqft (0.381 acres) |
| Lot Dimensions | 105 ft deep x 151 ft wide |
| Street Address | 556 CASTLEHILL DR |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-2623 |
| Property Category | Residential |
| Property Type | Vacant Land > Residential |
| Local Zoning Code | WAR18500RU |
| Legal Description | P M 225-77-78 LOT 3 |
| Legal Block | 2 |
| Legal Lot Number | 3 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 403401 |
Source: Los Angeles County records · APN 8722-013-046
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 Individual Names on File |
|---|---|
| Mailing Address | 1203 S 2ND AVE, ARCADIA, CA 91006-4108 |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | 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 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 | $1,529.00 (+5.59%) | $118,826 (+4.04%) Land $118,826 |
| 2023 | $1,448.00 (+2.33%) | $114,213 Land $114,213 |
| 2022 | $1,415.00 |
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 X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 · Fiber in parts of the area | 1,000 / 1,000 |
| Starlink Satellite | 280 / 30 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: California Internet, Verizon.
Based on FCC filings for 322 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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