Los Angeles County property record for 4342 Alderson Ave, Irwindale, CA 91706
| Property Type | Manufacturing (Light) |
|---|---|
| Details | 11,952 sqft · built 1964 |
| Lot Size | 0.829 acres (36,144 sqft) |
| Owner | Company Name on Record |
| Last Sale | $2,570,000 (Sep 2016) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8437-019-902 |
| Primary APN | 8437-019-902 |
|---|
| Stories | 1 Story |
|---|---|
| Building Area | 11,952 sqft Total Area |
| Year Built | Built 1964 |
|---|---|
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 36,144 sqft (0.829 acres) |
| Street Address | 4342 ALDERSON AVE |
|---|---|
| City | IRWINDALE |
| State | CA |
| Zip | 91706-3327 |
| Property Category | Industrial |
| Property Type | Industrial > Manufacturing (Light) |
| Local Zoning Code | 1RM1YY |
| Legal Description | EDWIN ALDERSON'S ACRE LOT TRACT LOT 10 |
| Legal Subdivision | EDWIN ALDERSONS ACRE LOT TRACT |
| Legal Lot Number | TRACT |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1035 |
| Census Tract | 404600 |
Source: Los Angeles County records, as of December 6, 2016
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 | Company Name on Record |
|---|---|
| Mailing Address | 14190 LOS ANGELES ST, IRWINDALE, CA 91706-3142 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 27, 2016 · Amount on Record |
| Deed Sale | Sep 27, 2016 · Amount on Record |
| Prior Sale | Sep 27, 2016 · Amount on Record |
| Deed Document Number | 16-1177005 |
| Record Updated | Jun 7, 2026 |
Source: Los Angeles County assessment roll, as of July 1, 2016
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Irwindale City |
| Unified School District | Baldwin Park Unified School District (KG - 12) |
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 | 1 in force |
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.
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 | 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 | VALLEY COUNTY WATER DIST. serves 68,871 people · EPA ID CA1910009 |
|---|---|
| Water Source | Groundwater |
| Lead | Under 1 ppb (2024–2026) 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 571 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, T-Mobile.
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