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393 E Mariposa St, Altadena
APN 5840-005-014 · map page 5840-005
A 12,926 sq ft residential lot with no building on the tax roll at 393 E Mariposa St in Altadena, Los Angeles County (APN 5840-005-014). 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-1-10000 (single-family residence) by Los Angeles County. It is assessed at $223,250, with a yearly tax bill of $3,308. 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
- 5840-005-014
- Area
- Altadena, Los Angeles County
- Zoning
- R-1-10000 · 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
- $3,308
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $218,873 | $0 | $218,873 |
| 2024 | $330,125 | $284,459 | $614,584 |
| 2023 | $323,652 | $278,882 | $602,534 |
| 2022 | $317,306 | $273,414 | $590,720 |
| 2021 | $311,085 | $268,053 | $579,138 |
| 2020 | $307,896 | $265,305 | $573,201 |
| 2019 | $301,859 | $260,103 | $561,962 |
| 2018 | $295,941 | $255,003 | $550,944 |
| 2017 | $290,139 | $209,023 | $499,162 |
| 2016 | $284,450 | $204,925 | $489,375 |
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