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20507 Big Rock Dr, Malibu
APN 4449-013-005
A 28,039 sq ft residential lot with no building on the tax roll at 20507 Big Rock Dr in Malibu, Los Angeles County (APN 4449-013-005). 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 $707,714, with a yearly tax bill of $10,669. 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
- 4449-013-005
- Area
- Malibu, Los Angeles County
- Zoning
- Set by the City of Malibu
- Assessor Use
- Single (0100)
Solar
4,446 hrs/yr
Excellent
Weather & Climate
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Taxes
- Tax Status
- Current
- Yearly Tax Bill
- $10,669
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $693,838 | $0 | $693,838 |
| 2024 | $1,046,513 | $457,363 | $1,503,876 |
| 2023 | $1,025,994 | $448,396 | $1,474,390 |
| 2022 | $1,005,877 | $439,604 | $1,445,481 |
| 2021 | $986,154 | $430,985 | $1,417,139 |
| 2020 | $976,043 | $426,566 | $1,402,609 |
| 2019 | $956,905 | $418,202 | $1,375,107 |
| 2018 | $938,143 | $410,002 | $1,348,145 |
| 2017 | $919,749 | $401,963 | $1,321,712 |
| 2016 | $901,715 | $394,082 | $1,295,797 |
Owner
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Full parcel report · $29
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Official record: county assessor