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128 E Mariposa St, Altadena

APN 5835-036-002 · map page 5835-036

SingleCurrentAssessorGoogle Maps

A 6,235 sq ft vacant residential lot at 128 E Mariposa St in Altadena, Los Angeles County (APN 5835-036-002). 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 $425,000, with a yearly tax bill of $918. Property taxes are not in default.

Size

6,098sqft

Assessed

$425,000

Fire Zone

None

Not in a CAL FIRE zone

Flood Zone

X

Outside flood zone

Taxes

Current

$918/yr bill

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

No mapped hazards

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
5835-036-002
Area
Altadena, Los Angeles County
Zoning
R-1-7500 · Single-Family Residence
Assessor Use
Single (010V)

4,446 hrs/yr

Excellent

Summer14.4h
Winter9.9h

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Tax Status
Current
Yearly Tax Bill
$918

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

↓ 53% decrease2016 → 2025
$367K'16$374K'17$382K'18$389K'19$397K'20$401K'21$409K'22$418K'23$426K'24$174K'25
YearLandImprovementTotal
2025$174,155$0$174,155
2024$262,677$163,283$425,960
2023$257,527$160,082$417,609
2022$252,478$156,944$409,422
2021$247,528$153,867$401,395
2020$244,990$152,290$397,280
2019$240,187$149,304$389,491
2018$235,478$146,377$381,855
2017$230,861$143,507$374,368
2016$226,335$140,694$367,029

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 28 lots on assessor map book 5835, page 036 →