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465 Concha St, Altadena
APN 5842-021-014 · map page 5842-021
A 18,127 sq ft residential lot with no building on the tax roll at 465 Concha St in Altadena, Los Angeles County (APN 5842-021-014). 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-1-10000 (single-family residence) by Los Angeles County. It is assessed at $302,077, with a yearly tax bill of $4,200. Property taxes are in default since 2026.
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
- 5842-021-014
- Area
- Altadena, Los Angeles County
- Zoning
- R-1-10000 · Single-Family Residence
- Assessor Use
- Single (0103)
Solar
4,446 hrs/yr
Excellent
Weather & Climate
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Taxes
- Tax Status
- Tax defaulted
- Yearly Tax Bill
- $4,200
- Year Defaulted
- 2026
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $296,154 | $0 | $296,154 |
| 2024 | $446,688 | $193,161 | $639,849 |
| 2023 | $437,930 | $189,374 | $627,304 |
| 2022 | $429,344 | $185,661 | $615,005 |
| 2021 | $420,926 | $182,021 | $602,947 |
| 2020 | $416,610 | $180,155 | $596,765 |
| 2019 | $408,442 | $176,623 | $585,065 |
| 2018 | $400,434 | $173,160 | $573,594 |
| 2017 | $392,583 | $169,765 | $562,348 |
| 2016 | $384,886 | $166,437 | $551,323 |
Owner
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Full parcel report · $29
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Official record: county assessor