Los Angeles County property record for 44638 Rosario Ave, Lancaster, CA 93535
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,505 sqft · built 2004 |
| Lot Size | 0.144 acres (6,287 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $269,000 (Sep 2004) |
| Tax Bill | $6,145 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 3150-048-034 |
| Primary APN | 3150-048-034 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 2,505 sqft Living Area |
| Year Built | Built 2004 |
|---|---|
| Effective Year Built | Effective 2004 |
| Construction Type | Wood |
| Lot Area | 6,287 sqft (0.144 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 44638 ROSARIO AVE |
|---|---|
| City | LANCASTER |
| State | CA |
| Zip | 93535-6160 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LRA22* |
| Legal Description | TR=31588 LOT 53 |
| Legal Subdivision | 31588 |
| Legal Tract | 31588 |
| Legal Block | 1 |
| Legal Lot Number | 53 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | NORTH ANTELOPE VALLEY |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 900611 |
44638 Rosario Ave is owned and occupied by two individuals who bought it in September 2004.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 44638 ROSARIO AVE, LANCASTER, CA 93535-6160 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | Sep 2, 2004 · Amount on File |
| Deed Sale | Sep 2, 2004 · Amount on File |
| Prior Sale | May 28, 2003 · Amount on File |
| Deed Document Number | 20042267902 |
| Prior Transfer Date | Dec 12, 2001 |
| Prior Transfer Doc | 0001326148 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 44638 Rosario Ave was $6,145.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Lancaster City |
| Secondary School District | Antelope Valley Union Joint High School District (09 - 12) |
| Elementary School District | Eastside Union Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $382,437 (+2%) Land $142,165 Building $240,272 | |
| 2025 | $6,145.00 | $374,939 Land $139,378 Building $235,561 |
| 2023 | $5,651.00 (+2.19%) | $360,382 Land $133,967 Building $226,415 |
| 2022 | $5,530.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 44638 Rosario Ave in Zone X, an area of moderate 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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| 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.
Wildfire risk around 44638 Rosario Ave is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 | ANTELOPE VALLEY EAST KERN WATER AGENCY serves 0 people · EPA ID CA1910045 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Apr 2021 |
| 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 456 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Race Communications Fiber | 10,000 / 10,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Frontier, GeoLinks.
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