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382 W Mariposa St, Altadena
APN 5829-035-023 · map page 5829-035
A 9,428 sq ft residential lot with no building on the tax roll at 382 W Mariposa St in Altadena, Los Angeles County (APN 5829-035-023). 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 $353,787, with a yearly tax bill of $4,590. 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
- 5829-035-023
- 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
- $4,590
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $346,850 | $0 | $346,850 |
| 2024 | $523,153 | $130,783 | $653,936 |
| 2023 | $512,896 | $128,219 | $641,115 |
| 2022 | $502,840 | $125,705 | $628,545 |
| 2021 | $492,981 | $123,241 | $616,222 |
| 2020 | $487,927 | $121,978 | $609,905 |
| 2019 | $478,360 | $119,587 | $597,947 |
| 2018 | $468,981 | $117,243 | $586,224 |
| 2017 | $459,786 | $114,945 | $574,731 |
| 2016 | $450,771 | $112,692 | $563,463 |
Owner
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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