Los Angeles County property record for 231 W Walnut Ave, Monrovia, CA 91016
| Property Type | Quadplex |
|---|---|
| Details | 8 bd · 4 ba · 3,781 sqft · built 1947 |
| Lot Size | 0.181 acres (7,900 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,695,000 (May 2013) |
| Tax Bill | $14,918 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8516-034-022 |
| Primary APN | 8516-034-022 |
|---|
| Bedrooms | 8 Beds |
|---|---|
| Full Baths | 4 Baths |
| Units | 4 Units |
| Building Area | 3,781 sqft Living Area |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Architectural Style | Quadruplex |
| Construction Type | Wood |
| Lot Area | 7,900 sqft (0.181 acres) |
| Total Buildings | 2 Buildings |
| Cooling System | HVAC |
|---|---|
| Heating System | Floor/Wall Furnace |
| Street Address | 231 W WALNUT AVE |
|---|---|
| City | MONROVIA |
| State | CA |
| Zip | 91016-3343 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Local Zoning Code | MORH* |
| Legal Description | MONROVIA LOT 17 BLK U |
| Legal Subdivision | TOWN OF MONROVIA |
| Legal Block | U |
| Legal Lot Number | 17 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | UPPER SAN GABRIEL VALLEY |
| Census Block Group | 4 |
| Census Block | 4003 |
| Census Tract | 431100 |
Source: Los Angeles County records, as of August 25, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 4456 BALDWIN AVE, EL MONTE, CA 91731-1106 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 1, 2013 · Amount on Record |
| Deed Sale | May 1, 2013 · Amount on Record |
| Deed Document Number | 2013653874 |
| Prior Transfer Date | Feb 15, 2013 |
| Prior Transfer Doc | 0000653873 |
| Record Updated | Oct 29, 2026 |
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 | $1,064,494 (+2%) Land $690,823 Building $373,671 | |
| 2025 | $14,918.00 (+4.86%) | $1,043,623 (+4.04%) Land $677,278 Building $366,345 |
| 2023 | $14,226.00 (+2.92%) | $1,003,100 Land $650,980 Building $352,120 |
| 2022 | $13,822.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
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.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures