Los Angeles County property record for 416 W Walnut Ave, Monrovia, CA 91016
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 1,642 sqft · built 1953 |
| Lot Size | 0.185 acres (8,074 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $455,000 (Jul 2003) |
| Tax Bill | $9,096 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8506-008-008 |
| Primary APN | 8506-008-008 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Units | 2 Units |
| Building Area | 1,642 sqft Living Area |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Architectural Style | Duplex Single |
| Construction Type | Wood |
| Lot Area | 8,074 sqft (0.185 acres) |
| Cooling System | HVAC |
|---|
| Street Address | 416 W WALNUT AVE |
|---|---|
| City | MONROVIA |
| State | CA |
| Zip | 91016-3265 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | MORM* |
| Legal Description | J D BICKNELLS ADD LOT 9 BLK F |
| Legal Subdivision | BICKNELLS ADD OF MONROVIA TRACT |
| Legal Block | F |
| Legal Lot Number | 9 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | UPPER SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 430901 |
416 W Walnut Ave, a duplex, is owned by two individuals who acquired it in September 2011.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 132 MARATHON RD, ALTADENA, CA 91001-4423 |
| Owner Type | Individual |
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 Sale | Jul 17, 2003 · Amount on File |
| Deed Sale | Jul 17, 2003 · Amount on File |
| Prior Sale | Jul 2, 2002 · Amount on File |
| Deed Document Number | 20032042534 |
| Last Transfer Date | Sep 29, 2011 |
| Transfer Doc | 0001381838 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 416 W Walnut Ave was $9,096, up 2.4% from the year before.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Monrovia City |
| Unified School District | Monrovia Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $659,836 (+2%) Land $361,099 Building $298,737 | |
| 2025 | $9,096.00 (+2.4%) | $646,899 Land $354,019 Building $292,880 |
| 2024 | $8,883.00 (+2.32%) | |
| 2023 | $8,682.00 (+2.95%) | $621,781 Land $340,273 Building $281,508 |
| 2022 | $8,433.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 416 W Walnut Ave 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.
Wildfire risk around 416 W Walnut Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | MONROVIA-CITY, WATER DEPT. serves 37,931 people · EPA ID CA1910090 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Sep 2024 |
| 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 651 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Giggle Fiber Cable · Fiber in parts of the area | 1,000 / 40 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Verizon.
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