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3462 Marengo Ave, Altadena
APN 5842-024-033 · map page 5842-024
A 10,227 sq ft residential lot with no building on the tax roll at 3462 Marengo Ave in Altadena, Los Angeles County (APN 5842-024-033). 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 $441,719, with a yearly tax bill of $5,775. Property taxes are in default since 2026, with $6,088 owed.
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
- 5842-024-033
- 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
- Tax defaulted
- Yearly Tax Bill
- $5,775
- Year Defaulted
- 2026
- Owed to Redeem
- $6,088
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $433,058 | $0 | $433,058 |
| 2024 | $653,180 | $198,481 | $851,661 |
| 2023 | $640,373 | $194,590 | $834,963 |
| 2022 | $627,817 | $190,775 | $818,592 |
| 2021 | $615,507 | $187,035 | $802,542 |
| 2020 | $609,196 | $185,118 | $794,314 |
| 2019 | $597,251 | $181,489 | $778,740 |
| 2018 | $585,541 | $177,931 | $763,472 |
| 2017 | $574,060 | $174,443 | $748,503 |
| 2016 | $562,804 | $171,023 | $733,827 |
Owner
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Official record: county assessor