Loading map...
3501 Glenrose Ave, Altadena
APN 5831-006-010 · map page 5831-006
A 7,939 sq ft residential lot with no building on the tax roll at 3501 Glenrose Ave in Altadena, Los Angeles County (APN 5831-006-010). It burned in the Eaton Fire (2025), and 2 earlier mapped fires reached it. It is in a Very High 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 $677,054, with a yearly tax bill of $8,324. Property taxes are in default since 2026, with $8,978 owed.
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
3 mapped fires since 1900
Eaton Fire, 2025
High Risk
Property Details
- APN
- 5831-006-010
- Area
- Altadena, Los Angeles County
- Zoning
- R-1-7500 · Single-Family Residence
- Assessor Use
- Single (0100)
Solar
4,446 hrs/yr
Excellent
Weather & Climate
Loading weather...
Taxes
- Tax Status
- Tax defaulted
- Yearly Tax Bill
- $8,324
- Year Defaulted
- 2026
- Owed to Redeem
- $8,978
From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.
Tax Assessment History
| Year | Land | Improvement | Total |
|---|---|---|---|
| 2025 | $663,779 | $0 | $663,779 |
| 2024 | $1,001,176 | $250,320 | $1,251,496 |
| 2023 | $981,546 | $245,412 | $1,226,958 |
| 2022 | $437,686 | $145,662 | $583,348 |
| 2021 | $429,104 | $142,806 | $571,910 |
| 2020 | $424,705 | $141,342 | $566,047 |
| 2019 | $416,378 | $138,571 | $554,949 |
| 2018 | $408,214 | $135,854 | $544,068 |
| 2017 | $400,210 | $133,191 | $533,401 |
| 2016 | $392,363 | $130,580 | $522,943 |
Owner
Who owns this land?
Thinking of buying?
Talk to a local land agent
An agent who knows land in this area can check zoning, access, water and what nearby lots sold for, and make an offer for you.
Buying this land?
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