Los Angeles County property record for 520 Duff Ave, La Puente, CA 91744
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,166 sqft · built 1955 |
| Lot Size | 0.136 acres (5,930 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $126,000 (Sep 1999) |
| Tax Bill | $3,075 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8210-023-004 |
| Primary APN | 8210-023-004 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,166 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Gravel |
| Lot Area | 5,930 sqft (0.136 acres) |
| Lot Dimensions | 97 ft deep x 62 ft wide |
| Heating System | Central |
|---|
| Street Address | 520 DUFF AVE |
|---|---|
| City | LA PUENTE |
| State | CA |
| Zip | 91744-3726 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LPR1YY |
| Legal Description | TRACT # 15899 LOT 4 |
| Legal Subdivision | 15899 |
| Legal Tract | 15899 |
| Legal Block | 1 |
| Legal Lot Number | 4 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 407201 |
Source: Los Angeles County records, as of May 21, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 520 DUFF AVE, LA PUENTE, CA 91744-3726 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 14, 1999 · Amount on Record |
| Deed Sale | Sep 14, 1999 · Amount on Record |
| Prior Sale | Mar 16, 1999 · Amount on Record |
| Deed Document Number | 19991743900 |
| Record Updated | Sep 20, 2026 |
Source: Los Angeles County assessment roll, as of May 21, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | La Puente City |
| Unified School District | Hacienda La Puente Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $3,075.00 (+7.93%) | $206,384 (+4.04%) Land $115,870 Building $90,514 |
| 2023 | $2,849.00 (+105.7%) | $198,372 Land $111,372 Building $87,000 |
| 2022 | $1,385.00 |
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 | 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 | SUBURBAN WATER SYSTEMS-SAN JOSE private · serves 170,523 people · EPA ID CA1910205 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Aug 2024 |
| Lead | Under 1 ppb (2023–2025) 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 726 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Frontier Fiber | 7,000 / 7,000 |
| Spectrum Cable | 1,000 / 35 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, GeoLinks, Verizon.
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