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3051 Santa Rosa Ave, Altadena

APN 5841-007-002 · map page 5841-007

SingleCurrentAssessorGoogle Maps

A 6,449 sq ft vacant residential lot at 3051 Santa Rosa Ave in Altadena, Los Angeles County (APN 5841-007-002). 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 $410,000, with a yearly tax bill of $136. Property taxes are not in default.

Size

6,534sqft

Assessed

$410,000

Fire Zone

None

Not in a CAL FIRE zone

Flood Zone

X

Outside flood zone

Taxes

Current

$136/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
5841-007-002
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
$136

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

↑ 46% increase2016 → 2025
$256K'16$705K'17$719K'18$733K'19$748K'20$756K'21$771K'22$786K'23$802K'24$373K'25
YearLandImprovementTotal
2025$372,963$0$372,963
2024$562,539$239,625$802,164
2023$551,509$234,927$786,436
2022$540,696$230,321$771,017
2021$530,095$225,805$755,900
2020$524,660$223,490$748,150
2019$514,373$219,108$733,481
2018$504,288$214,812$719,100
2017$494,400$210,600$705,000
2016$129,395$126,653$256,048

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 19 lots on assessor map book 5841, page 007 →