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3034 Marengo Ave, Altadena
APN 5841-011-012 · map page 5841-011
A 5,453 sq ft residential lot with no building on the tax roll at 3034 Marengo Ave in Altadena, Los Angeles County (APN 5841-011-012). 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 $7,777, with a yearly tax bill of $662. 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
- 5841-011-012
- 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
- $662
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $7,625 | $0 | $7,625 |
| 2024 | $11,500 | $37,937 | $49,437 |
| 2023 | $11,275 | $37,194 | $48,469 |
| 2022 | $11,054 | $36,465 | $47,519 |
| 2021 | $10,838 | $35,750 | $46,588 |
| 2020 | $10,727 | $35,384 | $46,111 |
| 2019 | $10,517 | $34,691 | $45,208 |
| 2018 | $10,311 | $34,011 | $44,322 |
| 2017 | $10,109 | $33,345 | $43,454 |
| 2016 | $9,911 | $32,692 | $42,603 |
Owner
Who owns this land?
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Full parcel report · $29
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Official record: county assessor