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641 Athens St, Altadena

APN 5841-004-017 · map page 5841-004

SingleCurrentAssessorGoogle Maps

A 8,908 sq ft vacant residential lot at 641 Athens St in Altadena, Los Angeles County (APN 5841-004-017). 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 $632,400, with a yearly tax bill of $722. Property taxes are not in default.

Size

8,712sqft

Assessed

$632,400

Fire Zone

None

Not in a CAL FIRE zone

Flood Zone

X

Outside flood zone

Taxes

Current

$722/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
5841-004-017
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
$722

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

↓ 93% decrease2016 → 2025
$150K'16$153K'17$156K'18$159K'19$162K'20$164K'21$167K'22$171K'23$174K'24'25
YearLandImprovementTotal
2025$10,653$0$10,653
2024$16,068$157,874$173,942
2023$15,753$154,779$170,532
2022$15,445$151,745$167,190
2021$15,143$148,770$163,913
2020$14,988$147,245$162,233
2019$14,695$144,358$159,053
2018$14,407$141,528$155,935
2017$14,125$138,753$152,878
2016$13,849$136,033$149,882

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 26 lots on assessor map book 5841, page 004 →