Los Angeles County property record for 341 W Walnut Ave, Monrovia, CA 91016
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 2 ba · 1,684 sqft · built 1950 |
| Lot Size | 0.183 acres (7,983 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $2,297 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8506-002-014 |
| Primary APN | 8506-002-014 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Units | 2 Units |
| Building Area | 1,684 sqft Living Area |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Duplex Single |
| Construction Type | Wood |
| Lot Area | 7,983 sqft (0.183 acres) |
| Total Buildings | 2 Buildings |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 341 W WALNUT AVE |
|---|---|
| City | MONROVIA |
| State | CA |
| Zip | 91016-3345 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | MORM* |
| Legal Description | J D BICKNELLS ADD LOT 14 BLK D |
| Legal Subdivision | J D BICKNELLS ADD TO MONROVIA |
| Legal Block | D |
| Legal Lot Number | 14 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | UPPER SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 430901 |
341 W Walnut Ave, a duplex, is held in a trust since November 2009.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | PO BOX 1251, MONROVIA, CA 91017-1251 |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
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 Transfer Date | Nov 24, 2009 |
| Transfer Doc | 0001868794 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 341 W Walnut Ave was $2,297, up 2.7% 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 | $117,761 (+2%) Land $35,309 Building $82,452 | |
| 2025 | $2,297.00 (+2.73%) | $115,453 Land $34,617 Building $80,836 |
| 2024 | $2,236.00 (+1.96%) | |
| 2023 | $2,193.00 (+2.48%) | $110,972 Land $33,274 Building $77,698 |
| 2022 | $2,140.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 341 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 341 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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