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1231 E Loma Alta Dr, Altadena

APN 5843-017-004 · map page 5843-017

SingleCurrentAssessorGoogle Maps

A 10,806 sq ft residential lot with no building on the tax roll at 1231 E Loma Alta Dr in Altadena, Los Angeles County (APN 5843-017-004). It burned in the Eaton Fire (2025). It is in a Very High CAL FIRE hazard zone and outside the FEMA flood zone (zone D). It is zoned R-1-7500 (single-family residence) by Los Angeles County. It is assessed at $552,205, with a yearly tax bill of $7,232. Property taxes are not in default.

Size

10,890sqft

Assessed

$552,205

Fire Zone

Very High

CAL FIRE

Flood Zone

D

Outside flood zone

Taxes

Current

$7,232/yr bill

Flood

Zone D

Outside flood zone

Moderate Risk

Fire

CAL FIRE hazard severity zone

Very High

High Risk

Past Fires

1 mapped fire since 2025

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
5843-017-004
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
Current
Yearly Tax Bill
$7,232

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

↑ 523% increase2016 → 2025
'16'17'18$1.2M'19$1.3M'20$1.3M'21$1.3M'22$1.3M'23$1.4M'24$541K'25
YearLandImprovementTotal
2025$541,378$0$541,378
2024$816,557$544,370$1,360,927
2023$800,547$533,697$1,334,244
2022$784,850$523,233$1,308,083
2021$769,461$512,974$1,282,435
2020$761,572$507,715$1,269,287
2019$746,640$497,760$1,244,400
2018$33,583$56,854$90,437
2017$32,925$55,740$88,665
2016$32,280$54,648$86,928

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 6 lots on assessor map book 5843, page 017 →