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323 Marathon Rd, Altadena
APN 5833-006-019 · map page 5833-006
A 14,848 sq ft residential lot with no building on the tax roll at 323 Marathon Rd in Altadena, Los Angeles County (APN 5833-006-019). It burned in the Eaton Fire (2025). It is not in a CAL FIRE hazard zone and outside the FEMA flood zone (zone X). It is zoned R-1-7500 (single-family residence) by Los Angeles County. It is assessed at $71,957, with a yearly tax bill of $1,462. 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
None
Low Risk
Past Fires
1 mapped fire since 2025
Eaton Fire, 2025
High Risk
Property Details
- APN
- 5833-006-019
- Area
- Altadena, Los Angeles County
- Zoning
- R-1-7500 · 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
- $1,462
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $70,547 | $0 | $70,547 |
| 2024 | $106,404 | $159,618 | $266,022 |
| 2023 | $104,318 | $156,489 | $260,807 |
| 2022 | $102,273 | $153,421 | $255,694 |
| 2021 | $100,268 | $150,413 | $250,681 |
| 2020 | $99,240 | $148,871 | $248,111 |
| 2019 | $97,295 | $145,952 | $243,247 |
| 2018 | $95,388 | $143,091 | $238,479 |
| 2017 | $93,518 | $140,286 | $233,804 |
| 2016 | $91,685 | $137,536 | $229,221 |
Owner
Who owns this land?
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Full parcel report · $29
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Official record: county assessor