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3558 Glenrose Ave, Altadena

APN 5831-007-020 · map page 5831-007

SingleTax defaultedAssessorGoogle Maps

A 7,163 sq ft residential lot with no building on the tax roll at 3558 Glenrose Ave in Altadena, Los Angeles County (APN 5831-007-020). 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 $315,829, with a yearly tax bill of $4,375. Property taxes are in default since 2024, with $24,926 owed.

Size

6,970sqft

Assessed

$315,829

Fire Zone

Very High

CAL FIRE

Flood Zone

X

Outside flood zone

Taxes

Defaulted

$4,375/yr bill

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

Check before buying

From FEMA flood maps and CAL FIRE hazard zones. Maps can lag; confirm with the county before you buy. What the zones mean: flood, fire.

APN
5831-007-020
Area
Altadena, Los Angeles County
Zoning
R-1-7500 · Single-Family Residence
Assessor Use
Single (0100)

4,446 hrs/yr

Excellent

Summer14.4h
Winter9.9h

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Tax Status
Tax defaulted
Yearly Tax Bill
$4,375
Year Defaulted
2024
Owed to Redeem
$24,926

From the LA County Treasurer and Tax Collector's rolls, checked Oct 19, 2026.

↓ 51% decrease2016 → 2025
$632K'16$644K'17$657K'18$670K'19$684K'20$691K'21$705K'22$719K'23$733K'24$310K'25
YearLandImprovementTotal
2025$309,637$0$309,637
2024$467,025$266,078$733,103
2023$457,868$260,861$718,729
2022$448,891$255,747$704,638
2021$440,090$250,733$690,823
2020$435,578$248,163$683,741
2019$427,038$243,298$670,336
2018$418,665$238,528$657,193
2017$410,456$233,851$644,307
2016$402,408$229,266$631,674

Who owns this land?

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.

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.

Source: la-county-assessorUpdated: 10/19/2026

Official record: county assessor

All 14 lots on assessor map book 5831, page 007 →