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3485 Marengo Ave, Altadena
APN 5833-001-041 · map page 5833-001
A 8,050 sq ft residential lot with no building on the tax roll at 3485 Marengo Ave in Altadena, Los Angeles County (APN 5833-001-041). It burned in the Eaton Fire (2025). 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 $450,000, with a yearly tax bill of $1,769. 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
1 mapped fire since 2025
Eaton Fire, 2025
High Risk
Property Details
- APN
- 5833-001-041
- Area
- Altadena, Los Angeles County
- Zoning
- R-1-10000 · 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
- $1,769
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $150,673 | $298,343 | $449,016 |
| 2024 | $147,719 | $292,494 | $440,213 |
| 2023 | $144,823 | $286,759 | $431,582 |
| 2022 | $141,984 | $281,137 | $423,121 |
| 2021 | $139,200 | $275,625 | $414,825 |
| 2020 | $137,773 | $272,799 | $410,572 |
| 2019 | $135,072 | $267,450 | $402,522 |
| 2018 | $132,424 | $262,206 | $394,630 |
| 2017 | $129,828 | $257,065 | $386,893 |
| 2016 | $127,283 | $252,025 | $379,308 |
Owner
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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