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3424 Monterosa Dr, Altadena
APN 5842-024-013 · map page 5842-024
A 9,929 sq ft residential lot with no building on the tax roll at 3424 Monterosa Dr in Altadena, Los Angeles County (APN 5842-024-013). It burned in the Eaton Fire (2025). It is in a Very High 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 $225,748, with a yearly tax bill of $3,431. 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
Very High
High Risk
Past Fires
1 mapped fire since 2025
Eaton Fire, 2025
High Risk
Property Details
- APN
- 5842-024-013
- Area
- Altadena, Los Angeles County
- Zoning
- R-1-10000 · Single-Family Residence
- Assessor Use
- Single (0101)
Solar
4,446 hrs/yr
Excellent
Weather & Climate
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Taxes
- Tax Status
- Current
- Yearly Tax Bill
- $3,431
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $221,322 | $0 | $221,322 |
| 2024 | $333,819 | $196,413 | $530,232 |
| 2023 | $327,274 | $192,562 | $519,836 |
| 2022 | $320,857 | $188,787 | $509,644 |
| 2021 | $314,566 | $185,086 | $499,652 |
| 2020 | $311,341 | $183,189 | $494,530 |
| 2019 | $305,237 | $179,598 | $484,835 |
| 2018 | $299,252 | $176,077 | $475,329 |
| 2017 | $293,385 | $172,625 | $466,010 |
| 2016 | $287,633 | $169,241 | $456,874 |
Owner
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Full parcel report · $29
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Official record: county assessor