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3482 Hollyslope Rd, Altadena
APN 5831-016-009 · map page 5831-016
A 1.13-acre residential lot with no building on the tax roll at 3482 Hollyslope Rd in Altadena, Los Angeles County (APN 5831-016-009). 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 $784,553 ($694,295 an acre), with a yearly tax bill of $0. 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
- 5831-016-009
- Area
- Altadena, Los Angeles County
- Zoning
- R-1-20000 · 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
- $0
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $769,170 | $0 | $769,170 |
| 2024 | $1,160,137 | $450,062 | $1,610,199 |
| 2023 | $1,137,390 | $284,347 | $1,421,737 |
| 2022 | $1,115,089 | $278,772 | $1,393,861 |
| 2021 | $1,093,225 | $273,306 | $1,366,531 |
| 2020 | $1,082,016 | $270,504 | $1,352,520 |
| 2019 | $1,060,800 | $265,200 | $1,326,000 |
| 2018 | $1,040,000 | $260,000 | $1,300,000 |
| 2017 | $44,121 | $72,219 | $116,340 |
| 2016 | $43,256 | $70,803 | $114,059 |
Owner
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Full parcel report · $29
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Official record: county assessor