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327 Marathon Rd, Altadena
APN 5833-006-021 · map page 5833-006
A 11,555 sq ft residential lot with no building on the tax roll at 327 Marathon Rd in Altadena, Los Angeles County (APN 5833-006-021). 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 $506,942, with a yearly tax bill of $6,545. 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
- 5833-006-021
- 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
- $6,545
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $497,002 | $0 | $497,002 |
| 2024 | $749,626 | $240,739 | $990,365 |
| 2023 | $734,928 | $222,009 | $956,937 |
| 2022 | $720,518 | $217,656 | $938,174 |
| 2021 | $706,391 | $213,389 | $919,780 |
| 2020 | $699,148 | $211,201 | $910,349 |
| 2019 | $685,440 | $207,060 | $892,500 |
| 2018 | $672,000 | $203,000 | $875,000 |
| 2017 | $356,825 | $172,629 | $529,454 |
| 2016 | $349,829 | $169,245 | $519,074 |
Owner
Who owns this land?
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Full parcel report · $29
Can you build on it, how do you reach it, and what is it worth? Flood, fire, slope, road access, tax history and nearby sales in one report.
Official record: county assessor