Los Angeles County property record for 321 Valle Vista Ave, Monrovia, CA 91016
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,387 sqft · built 1947 |
| Lot Size | 0.166 acres (7,224 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $505,000 (Jul 2008) |
| Tax Bill | $9,115 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8518-021-004 |
| Primary APN | 8518-021-004 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,387 sqft Living Area |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1953 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Hip |
| Roof Material | Composition Shingle |
| Lot Area | 7,224 sqft (0.166 acres) |
| Lot Dimensions | 150 ft deep x 48 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 321 VALLE VISTA AVE |
|---|---|
| City | MONROVIA |
| State | CA |
| Zip | 91016-2314 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | MORL* |
| Legal Description | PLANO ALTO SUB NE 48 FT OF SW 98 FT OF SE 15O FT OF LOT 2 BLK A |
| Legal Subdivision | PLANO ALTO SUBDIVISION |
| Legal Block | A |
| Legal Lot Number | 2 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | UPPER SAN GABRIEL VALLEY |
| Census Block Group | 4 |
| Census Block | 4007 |
| Census Tract | 430301 |
321 Valle Vista Ave is held in a trust since January 2013.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 321 VALLE VISTA AVE, MONROVIA, CA 91016-2314 |
| Owner Type | Company |
| Vesting | Trust, Personal 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 Sale | Jul 10, 2008 · Amount on File |
| Deed Sale | Jul 10, 2008 · Amount on File |
| Prior Sale | Jun 5, 2006 · Amount on File |
| Deed Document Number | 20081226362 |
| Last Transfer Date | Jan 24, 2013 |
| Transfer Doc | 0000251470 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 321 Valle Vista Ave was $9,115.
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 | $674,366 (+2%) Land $516,529 Building $157,837 | |
| 2025 | $9,115.00 | $661,161 Land $506,404 Building $154,757 |
| 2023 | $8,704.00 (+2.98%) | $635,490 Land $486,741 Building $148,749 |
| 2022 | $8,452.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 321 Valle Vista Ave in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 1978.
Source: FEMA National Flood Hazard Layer, effective September 30, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 5 in force |
| Nearby Flood Claims | 6 (1978–1998) |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 321 Valle Vista Ave is low, with a 0.04% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 64% of the US · lower than 79% of California |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 774 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 | 1,000 / 40 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: GeoLinks, T-Mobile.
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