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20851 Big Rock Dr, Malibu
APN 4449-016-006
A 28,487 sq ft residential lot with no building on the tax roll at 20851 Big Rock Dr in Malibu, Los Angeles County (APN 4449-016-006). It burned in the Palisades Fire (2025), and 3 earlier mapped fires reached it. It is in a Very High CAL FIRE hazard zone and outside the FEMA flood zone (zone X). Its zoning is set by the City of Malibu. It is assessed at $1,934,210, with a yearly tax bill of $25,319. 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
4 mapped fires since 1938
Palisades Fire, 2025
High Risk
Property Details
- APN
- 4449-016-006
- Area
- Malibu, Los Angeles County
- Zoning
- Set by the City of Malibu
- Assessor Use
- Single (0101)
Solar
4,446 hrs/yr
Excellent
Weather & Climate
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Taxes
- Tax Status
- Current
- Yearly Tax Bill
- $25,319
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $1,896,285 | $0 | $1,896,285 |
| 2024 | $2,860,158 | $1,548,924 | $4,409,082 |
| 2023 | $2,804,077 | $1,518,553 | $4,322,630 |
| 2022 | $2,749,096 | $1,488,778 | $4,237,874 |
| 2021 | $2,695,193 | $1,459,587 | $4,154,780 |
| 2020 | $2,667,558 | $1,444,621 | $4,112,179 |
| 2019 | $2,615,253 | $1,416,296 | $4,031,549 |
| 2018 | $2,563,974 | $1,388,526 | $3,952,500 |
| 2017 | $2,962,080 | $740,520 | $3,702,600 |
| 2016 | $2,223,397 | $1,333,530 | $3,556,927 |
Owner
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Official record: county assessor