Los Angeles County property record for 4145 Alderson Ave, Baldwin Park, CA 91706
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1 ba · 520 sqft · built 1948 |
| Lot Size | 0.072 acres (3,126 sqft) |
| Owner | Individual Name on File |
| Last Sale | $115,000 (Dec 2000) |
| Tax Bill | $2,551 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8437-010-029 |
| Primary APN | 8437-010-029 |
|---|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 520 sqft Living Area |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 3,126 sqft (0.072 acres) |
| Garage Type | Detached |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4145 ALDERSON AVE |
|---|---|
| City | BALDWIN PARK |
| State | CA |
| Zip | 91706-3323 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | BPI* |
| Legal Description | TRACT NO 94 EX OF ST LOT 13 |
| Legal Subdivision | BALDWIN PARK |
| Legal Tract | 94 |
| Legal Block | 1 |
| Legal Lot Number | 13 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 405102 |
4145 Alderson Ave is owned and occupied by an individual who bought it in December 2000.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4145 ALDERSON AVE, BALDWIN PARK, CA 91706-3323 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Dec 29, 2000 · Amount on File |
| Deed Sale | Dec 29, 2000 · Amount on File |
| Prior Sale | Jan 19, 1996 · Amount on File |
| Deed Document Number | 20002030060 |
| Prior Transfer Date | May 24, 2000 |
| Prior Transfer Doc | 0000853944 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4145 Alderson Ave was $2,551 with a homeowner's exemption.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| Municipality | Baldwin Park City |
| County | Los Angeles County |
| Unified School District | Baldwin Park Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $176,721 (+2%) Land $89,130 Building $87,591 | |
| 2025 | $2,551.00 Homeowner's exemption | $173,257 Land $87,383 Building $85,874 |
| 2023 | $2,386.00 (-1.4%) Homeowner's exemption | $166,532 Land $83,991 Building $82,541 |
| 2022 | $2,420.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4145 Alderson Ave in Zone X, an area of minimal flood risk.
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.
The area around 4145 Alderson Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures