Los Angeles County property record for 4543 Delta Ave, Rosemead, CA 91770
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 3 ba · 2,346 sqft · built 1960 |
| Lot Size | 0.27 acres (11,777 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $299,000 (Jul 2000) |
| Tax Bill | $6,187 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 5372-011-019 |
| Primary APN | 5372-011-019 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Units | 2 Units |
| Building Area | 2,346 sqft Living Area |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Duplex Single |
| Construction Type | Wood |
| Lot Area | 11,777 sqft (0.27 acres) |
| Lot Dimensions | 243 ft deep x 50 ft wide |
| Pool Type | Spa / Hot Tub (No Pool) |
| Total Buildings | 2 Buildings |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 4543 DELTA AVE |
|---|---|
| City | ROSEMEAD |
| State | CA |
| Zip | 91770-1105 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | RMR1YY |
| Legal Description | TRACT # 6261 S 50 FT MEASURED ON E LINE OF LOT 43 |
| Legal Subdivision | 6261 |
| Legal Tract | 6261 |
| Legal Block | 2 |
| Legal Lot Number | 43 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | SOUTHWEST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 432201 |
4543 Delta Ave, a duplex, is owned and occupied by two individuals who bought it in July 2000.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4543 DELTA AVE, ROSEMEAD, CA 91770-1105 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Jul 20, 2000 · Amount on File |
| Deed Sale | Jul 20, 2000 · Amount on File |
| Deed Document Number | 20001120465 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4543 Delta Ave was $6,187 with a homeowner's exemption, up 4.8% from the year before.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Rosemead City |
| Secondary School District | El Monte Union High School District (09 - 12) |
| Elementary School District | Rosemead Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $459,533 (+2%) Land $311,996 Building $147,537 | |
| 2025 | $6,187.00 (+4.78%) Homeowner's exemption | $450,524 Land $305,879 Building $144,645 |
| 2024 | $5,905.00 (-0.35%) | |
| 2023 | $5,926.00 (+3.46%) Homeowner's exemption | $433,031 Land $294,002 Building $139,029 |
| 2022 | $5,728.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4543 Delta 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.
The area around 4543 Delta 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 | SAN GABRIEL COUNTY WD serves 40,154 people · EPA ID CA1910144 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Aug 2023 |
| 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 758 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Starlink Satellite | 280 / 30 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: GeoLinks, T-Mobile, Verizon.
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