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646 Castle Top Trl, Topanga
APN 4444-020-001
A 2,987 sq ft vacant residential lot at 646 Castle Top Trl in Topanga, Los Angeles County (APN 4444-020-001). It is in a Very High CAL FIRE hazard zone and outside the FEMA flood zone (zone X). It is zoned R-C-10,000 (rural coastal) by Los Angeles County. It is assessed at $212,241, with a yearly tax bill of $2,650. 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
CAL FIRE perimeters since 1878
None mapped
Low Risk
Property Details
- APN
- 4444-020-001
- Area
- Topanga, Los Angeles County
- Zoning
- R-C-10,000 · Rural Coastal
- Assessor Use
- Single (010V)
Solar
4,446 hrs/yr
Excellent
Weather & Climate
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Taxes
- Tax Status
- Current
- Yearly Tax Bill
- $2,650
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Assessed |
|---|---|
| 2025 | $208,080 |
| 2024 | $204,000 |
| 2023 | $21,714 |
| 2022 | $21,289 |
| 2021 | $20,872 |
| 2020 | $20,658 |
| 2019 | $20,253 |
| 2018 | $19,856 |
| 2017 | $19,467 |
| 2016 | $19,086 |
Owner
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Official record: county assessor