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35 W Mariposa St, Altadena
APN 5835-003-005 · map page 5835-003
A 6,033 sq ft vacant residential lot at 35 W Mariposa St in Altadena, Los Angeles County (APN 5835-003-005). 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 $525,300, with a yearly tax bill of $0. 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
- 5835-003-005
- Area
- Altadena, Los Angeles County
- Zoning
- R-1-7500 · Single-Family Residence
- Assessor Use
- Single (010V)
Solar
4,446 hrs/yr
Excellent
Weather & Climate
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Taxes
- Tax Status
- Current
- Yearly Tax Bill
- $0
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $369,794 | $0 | $369,794 |
| 2024 | $557,758 | $146,217 | $703,975 |
| 2023 | $546,822 | $143,350 | $690,172 |
| 2022 | $536,100 | $134,024 | $670,124 |
| 2021 | $525,589 | $131,397 | $656,986 |
| 2020 | $520,200 | $130,050 | $650,250 |
| 2019 | $510,000 | $127,500 | $637,500 |
| 2018 | $500,000 | $125,000 | $625,000 |
| 2017 | $108,063 | $26,470 | $134,533 |
| 2016 | $105,945 | $25,951 | $131,896 |
Owner
Who owns this land?
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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