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503 Devonwood Rd, Altadena
APN 5843-001-007 · map page 5843-001
A 23,454 sq ft residential lot with no building on the tax roll at 503 Devonwood Rd in Altadena, Los Angeles County (APN 5843-001-007). It burned in the Eaton Fire (2025), and 2 earlier mapped fires reached it. It is in a Very High 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 $1,004,713, with a yearly tax bill of $12,312. 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
3 mapped fires since 1900
Eaton Fire, 2025
High Risk
Property Details
- APN
- 5843-001-007
- Area
- Altadena, Los Angeles County
- Zoning
- R-1-10000 · Single-Family Residence
- Assessor Use
- Single (0101)
Solar
4,446 hrs/yr
Excellent
Weather & Climate
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Taxes
- Tax Status
- Current
- Yearly Tax Bill
- $12,312
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $985,013 | $0 | $985,013 |
| 2024 | $1,485,691 | $371,422 | $1,857,113 |
| 2023 | $1,456,560 | $364,140 | $1,820,700 |
| 2022 | $1,428,000 | $357,000 | $1,785,000 |
| 2021 | $1,400,000 | $350,000 | $1,750,000 |
| 2020 | $1,088,674 | $272,168 | $1,360,842 |
| 2019 | $1,067,328 | $266,832 | $1,334,160 |
| 2018 | $1,046,400 | $261,600 | $1,308,000 |
| 2017 | $680,869 | $170,210 | $851,079 |
| 2016 | $667,519 | $166,873 | $834,392 |
Owner
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Full parcel report · $29
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Official record: county assessor