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3569 Monterosa Dr, Altadena
APN 5843-003-006 · map page 5843-003
A 11,418 sq ft residential lot with no building on the tax roll at 3569 Monterosa Dr in Altadena, Los Angeles County (APN 5843-003-006). 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-1-10000 (single-family residence) by Los Angeles County. It is assessed at $579,000, with a yearly tax bill of $11,091. Property taxes are in default since 2026, with $8,084 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
3 mapped fires since 1900
Eaton Fire, 2025
High Risk
Property Details
- APN
- 5843-003-006
- 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
- $11,091
- Year Defaulted
- 2026
- Owed to Redeem
- $8,084
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $29,937 | $0 | $29,937 |
| 2024 | $45,154 | $54,292 | $99,446 |
| 2023 | $44,269 | $53,228 | $97,497 |
| 2022 | $43,401 | $52,185 | $95,586 |
| 2021 | $42,550 | $51,162 | $93,712 |
| 2020 | $42,114 | $50,638 | $92,752 |
| 2019 | $41,289 | $49,646 | $90,935 |
| 2018 | $40,480 | $48,673 | $89,153 |
| 2017 | $39,687 | $47,719 | $87,406 |
| 2016 | $38,909 | $46,784 | $85,693 |
Owner
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Full parcel report · $29
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Official record: county assessor