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3657 Fair Oaks Ave, Altadena
APN 5831-010-004 · map page 5831-010
A 13,044 sq ft residential lot with no building on the tax roll at 3657 Fair Oaks Ave in Altadena, Los Angeles County (APN 5831-010-004). 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 $127,570, with a yearly tax bill of $1,983. 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
- 5831-010-004
- 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
- $1,983
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $125,069 | $0 | $125,069 |
| 2024 | $188,642 | $133,795 | $322,437 |
| 2023 | $184,944 | $131,172 | $316,116 |
| 2022 | $181,318 | $128,600 | $309,918 |
| 2021 | $177,763 | $126,079 | $303,842 |
| 2020 | $175,941 | $124,787 | $300,728 |
| 2019 | $172,492 | $122,341 | $294,833 |
| 2018 | $169,110 | $119,943 | $289,053 |
| 2017 | $165,795 | $117,592 | $283,387 |
| 2016 | $162,545 | $115,287 | $277,832 |
Owner
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Full parcel report · $29
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Official record: county assessor