Los Angeles County property record for 603 W Walnut Ave, Monrovia, CA 91016
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,406 sqft · built 1926 |
| Lot Size | 0.12 acres (5,219 sqft) |
| Owner | Individual Name on File |
| Last Sale | $154,000 (Apr 1999) |
| Tax Bill | $10,707 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8506-013-028 |
| Primary APN | 8506-013-028 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,406 sqft Living Area |
| Year Built | Built 1926 |
|---|---|
| Effective Year Built | Effective 1953 |
| Architectural Style | Spanish |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Flat |
| Roof Material | Composition Shingle |
| Lot Area | 5,219 sqft (0.12 acres) |
| Lot Dimensions | 119 ft deep x 50 ft wide |
| Cooling System | Window A/C |
|---|---|
| Heating System | Floor/Wall Furnace |
| Water Source | Commercial |
| Street Address | 603 W WALNUT AVE |
|---|---|
| City | MONROVIA |
| State | CA |
| Zip | 91016-3217 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | MORM* |
| Legal Description | TRACT # 7898 LOT 27 |
| Legal Subdivision | 7898 |
| Legal Tract | 7898 |
| Legal Block | 2 |
| Legal Lot Number | 27 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | UPPER SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 430901 |
603 W Walnut Ave is owned and occupied by an individual who acquired it in September 2016.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 603 W WALNUT AVE, MONROVIA, CA 91016-3217 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
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 | Name on Deed |
|---|---|
| Last Sale | Apr 14, 1999 · Amount on File |
| Deed Sale | Apr 14, 1999 · Amount on File |
| Deed Document Number | 1999638945 |
| Last Transfer Date | Sep 26, 2016 |
| Transfer Doc | 0001588627 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 603 W Walnut Ave was $10,707.
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 | $803,792 (+2%) Land $567,036 Building $236,756 | |
| 2025 | $10,707.00 | $788,032 Land $555,918 Building $232,114 |
| 2023 | $10,216.00 (+3.02%) | $757,433 Land $534,332 Building $223,101 |
| 2022 | $9,917.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 603 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 603 W Walnut Ave is low, with 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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 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 667 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 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, T-Mobile.
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