Los Angeles County property record for 423 Concord Ave, Monrovia, CA 91016
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 960 sqft · built 1924 |
| Lot Size | 0.182 acres (7,905 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $1,298 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8504-010-010 |
| Primary APN | 8504-010-010 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 960 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1924 |
|---|---|
| Effective Year Built | Effective 1930 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Flat |
| Roof Material | Gravel |
| Lot Area | 7,905 sqft (0.182 acres) |
| Lot Dimensions | 159 ft deep x 50 ft wide |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 423 CONCORD AVE |
|---|---|
| City | MONROVIA |
| State | CA |
| Zip | 91016-2002 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | MORL* |
| Legal Description | HOSMERS SUB OF LOTS 27 TO 34 BLK M MONROE ADD TO MONROVIA TRACT LOT 30 |
| Legal Subdivision | HOSMERS SUB |
| Legal Block | M |
| Legal Lot Number | 30 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | UPPER SAN GABRIEL VALLEY |
| Census Block Group | 5 |
| Census Block | 5002 |
| Census Tract | 430302 |
423 Concord Ave, a single family home, is owned by a company.
Source: Los Angeles County records, as of August 25, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 88 BONNIE WAY, GLEN ELLEN, CA 95442-8443 |
| Owner Type | Company |
| Vesting | Borrower in Default |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 423 Concord Ave was $1,298.
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 | $57,445 (+1.99%) Land $35,976 Building $21,469 | |
| 2025 | $1,298.00 | $56,322 Land $35,271 Building $21,051 |
| 2023 | $1,242.00 (+2.31%) | $54,137 Land $33,902 Building $20,235 |
| 2022 | $1,214.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 423 Concord 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 423 Concord Ave is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.03% 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 834 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, GeoLinks, Verizon.
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