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2850 Marengo Ave, Altadena
APN 5841-021-022 · map page 5841-021
A 31,887 sq ft residential lot with no building on the tax roll at 2850 Marengo Ave in Altadena, Los Angeles County (APN 5841-021-022). 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 $198,247, with a yearly tax bill of $2,982. 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
- 5841-021-022
- 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
- $2,982
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $194,360 | $0 | $194,360 |
| 2024 | $293,153 | $268,717 | $561,870 |
| 2023 | $287,405 | $263,449 | $550,854 |
| 2022 | $281,770 | $258,284 | $540,054 |
| 2021 | $276,246 | $253,220 | $529,466 |
| 2020 | $273,414 | $250,624 | $524,038 |
| 2019 | $268,053 | $245,710 | $513,763 |
| 2018 | $262,798 | $240,893 | $503,691 |
| 2017 | $257,646 | $236,170 | $493,816 |
| 2016 | $252,595 | $231,540 | $484,135 |
Owner
Who owns this land?
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Full parcel report · $29
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Official record: county assessor