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318 W Mariposa St, Altadena
APN 5829-037-002 · map page 5829-037
A 6,373 sq ft residential lot with no building on the tax roll at 318 W Mariposa St in Altadena, Los Angeles County (APN 5829-037-002). 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 $146,894, with a yearly tax bill of $2,126. 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
- 5829-037-002
- 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
- $2,126
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $144,014 | $0 | $144,014 |
| 2024 | $217,215 | $50,604 | $267,819 |
| 2023 | $212,956 | $49,612 | $262,568 |
| 2022 | $208,781 | $48,640 | $257,421 |
| 2021 | $204,688 | $47,687 | $252,375 |
| 2020 | $202,590 | $47,199 | $249,789 |
| 2019 | $198,618 | $46,274 | $244,892 |
| 2018 | $194,724 | $45,367 | $240,091 |
| 2017 | $190,906 | $44,478 | $235,384 |
| 2016 | $187,163 | $43,606 | $230,769 |
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