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3741 El Sereno Ave, Altadena
APN 5831-009-007 · map page 5831-009
A 10,802 sq ft residential lot with no building on the tax roll at 3741 El Sereno Ave in Altadena, Los Angeles County (APN 5831-009-007). It burned in the Eaton Fire (2025), and 2 earlier mapped fires reached it. It is in a Very High 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 $21,596, with a yearly tax bill of $911. 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
3 mapped fires since 1900
Eaton Fire, 2025
High Risk
Property Details
- APN
- 5831-009-007
- 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
- $911
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $21,173 | $0 | $21,173 |
| 2024 | $31,936 | $41,869 | $73,805 |
| 2023 | $31,310 | $41,049 | $72,359 |
| 2022 | $30,697 | $40,245 | $70,942 |
| 2021 | $30,096 | $39,456 | $69,552 |
| 2020 | $29,788 | $39,052 | $68,840 |
| 2019 | $29,204 | $38,287 | $67,491 |
| 2018 | $28,632 | $37,537 | $66,169 |
| 2017 | $28,071 | $36,801 | $64,872 |
| 2016 | $27,521 | $36,080 | $63,601 |
Owner
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Full parcel report · $29
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Official record: county assessor