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3560 Hollyslope Rd, Altadena
APN 5831-017-019 · map page 5831-017
A 1.1-acre residential lot with no building on the tax roll at 3560 Hollyslope Rd in Altadena, Los Angeles County (APN 5831-017-019). 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-1-20000 (single-family residence) by Los Angeles County. It is assessed at $266,643 ($242,403 an acre), with a yearly tax bill of $3,578. Property taxes are in default since 2026, with $10,522 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
- 5831-017-019
- Area
- Altadena, Los Angeles County
- Zoning
- R-1-20000 · Single-Family Residence
- Assessor Use
- Single (0101)
Solar
4,446 hrs/yr
Excellent
Weather & Climate
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Taxes
- Tax Status
- Tax defaulted
- Yearly Tax Bill
- $3,578
- Year Defaulted
- 2026
- Owed to Redeem
- $10,522
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $261,415 | $0 | $261,415 |
| 2024 | $394,293 | $276,141 | $670,434 |
| 2023 | $386,562 | $270,727 | $657,289 |
| 2022 | $378,983 | $265,419 | $644,402 |
| 2021 | $371,552 | $260,215 | $631,767 |
| 2020 | $367,743 | $257,547 | $625,290 |
| 2019 | $360,533 | $252,498 | $613,031 |
| 2018 | $353,464 | $247,548 | $601,012 |
| 2017 | $346,534 | $242,695 | $589,229 |
| 2016 | $339,740 | $237,937 | $577,677 |
Owner
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Full parcel report · $29
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Official record: county assessor