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48 W Mariposa St, Altadena
APN 5835-006-004 · map page 5835-006
A 5,956 sq ft residential lot with no building on the tax roll at 48 W Mariposa St in Altadena, Los Angeles County (APN 5835-006-004). 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 $483,500, with a yearly tax bill of $6,066. 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
- 5835-006-004
- 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
- $6,066
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $474,020 | $0 | $474,020 |
| 2024 | $714,962 | $178,740 | $893,702 |
| 2023 | $700,944 | $175,236 | $876,180 |
| 2022 | $687,200 | $171,800 | $859,000 |
| 2021 | $265,459 | $66,356 | $331,815 |
| 2020 | $262,738 | $65,676 | $328,414 |
| 2019 | $257,587 | $64,389 | $321,976 |
| 2018 | $252,537 | $63,127 | $315,664 |
| 2017 | $247,586 | $61,890 | $309,476 |
| 2016 | $242,732 | $60,677 | $303,409 |
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