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1050 E Mariposa St, Altadena
APN 5845-003-033 · map page 5845-003
A 33,440 sq ft residential lot with no building on the tax roll at 1050 E Mariposa St in Altadena, Los Angeles County (APN 5845-003-033). It burned in the Eaton Fire (2025). It is not in a CAL FIRE hazard zone and outside the FEMA flood zone (zone X). It is zoned R-1-7500 (single-family residence) by Los Angeles County. It is assessed at $142,947, with a yearly tax bill of $2,952. Property taxes are not in default.
Risk Assessment
Flood
Zone X — AREA OF MINIMAL FLOOD HAZARD
Outside flood zone
Low Risk
Fire
CAL FIRE hazard severity zone
None
Low Risk
Past Fires
1 mapped fire since 2025
Eaton Fire, 2025
High Risk
Property Details
- APN
- 5845-003-033
- Area
- Altadena, Los Angeles County
- Zoning
- R-1-7500 · Single-Family Residence
- Assessor Use
- Single (0100)
Solar
4,446 hrs/yr
Excellent
Weather & Climate
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Taxes
- Tax Status
- Current
- Yearly Tax Bill
- $2,952
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $140,145 | $0 | $140,145 |
| 2024 | $211,379 | $143,871 | $355,250 |
| 2023 | $207,235 | $141,050 | $348,285 |
| 2022 | $203,172 | $138,285 | $341,457 |
| 2021 | $199,189 | $135,574 | $334,763 |
| 2020 | $197,147 | $134,184 | $331,331 |
| 2019 | $193,282 | $131,553 | $324,835 |
| 2018 | $189,493 | $128,974 | $318,467 |
| 2017 | $185,778 | $126,446 | $312,224 |
| 2016 | $182,136 | $123,967 | $306,103 |
Owner
Who owns this land?
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Full parcel report · $29
Can you build on it, how do you reach it, and what is it worth? Flood, fire, slope, road access, tax history and nearby sales in one report.
Official record: county assessor