Los Angeles County property record for 1016 E Mariposa St, Altadena, CA 91001
| Property Type | Residential Vacant Land |
|---|---|
| Details | 5 bd · 4 ba · 2,985 sqft · built 1912 |
| Lot Size | 0.452 acres (19,685 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $941,000 (Mar 2025) |
| Tax Bill | $4,236 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 5845-003-008 |
| Primary APN | 5845-003-008 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 2,985 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1912 |
|---|---|
| Effective Year Built | Effective 1945 |
| Architectural Style | Conventional |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Gravel |
| Lot Area | 19,685 sqft (0.452 acres) |
| Lot Dimensions | 175 ft deep x 110 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 1016 E MARIPOSA ST |
|---|---|
| City | ALTADENA |
| State | CA |
| Zip | 91001-2020 |
| Property Category | Residential |
| Property Type | Vacant Land > Residential |
| Local Zoning Code | LCR17500* |
| Legal Description | GREENS SUBDIVISION BEING A SUB OF A POR OF THE GROGAN TRACT IN THE RO SAN PASCUAL N 175 FT OF LOT 21 |
| Legal Subdivision | GREENS SUBDIVISION |
| Legal Block | 4 |
| Legal Lot Number | 21 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | PASADENA |
| Census Block Group | 4 |
| Census Block | 4005 |
| Census Tract | 460101 |
Source: Los Angeles County records, as of September 24, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 124 LAS TUNAS DR, ARCADIA, CA 91007-8512 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 21, 2025 · Amount on Record |
| Deed Sale | Mar 21, 2025 · Amount on Record |
| Prior Sale | Mar 31, 2000 · Amount on Record |
| Deed Document Number | 2025181261 |
| Prior Transfer Date | Feb 24, 2011 |
| Prior Transfer Doc | 0000324355 |
| Record Updated | Oct 29, 2026 |
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Unified School District | Pasadena Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $959,820 (+176.48%) Land $959,820 | |
| 2025 | $4,236.00 (-55.89%) Homeowner's exemption | $347,160 (-56.22%) Land $347,160 |
| 2023 | $9,603.00 (+3.53%) Homeowner's exemption | $792,995 Land $513,353 Building $279,642 |
| 2022 | $9,276.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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 | Low lower than 64% of the US · lower than 78% of California |
|---|---|
| Wildfire Likelihood | 0.03% 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 | RUBIO CANON LAND & WATER ASSOCIATION private · serves 6,646 people · EPA ID CA1910140 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2022 |
| 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 634 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Verizon.
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