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22939 Ridge Line Rd, Diamond Bar

APN 8713-005-008

SingleCurrentAssessorGoogle Maps

A 1.54-acre vacant residential lot at 22939 Ridge Line Rd in Diamond Bar, Los Angeles County (APN 8713-005-008). It is in a Very High CAL FIRE hazard zone and outside the FEMA flood zone (zone X). It is assessed at $715,946 ($464,900 an acre), with a yearly tax bill of $8,991. Property taxes are not in default.

Size

1.54ac

67,111 sqft

Assessed

$715,946

$464,900/acre

Fire Zone

Very High

CAL FIRE

Flood Zone

X

Outside flood zone

Taxes

Current

$8,991/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

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
8713-005-008
Area
Diamond Bar, Los Angeles County
Assessor Use
Single (010V)

4,445 hrs/yr

Excellent

Summer14.4h
Winter9.9h

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Tax Status
Current
Yearly Tax Bill
$8,991

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

↑ 18% increase2016 → 2025
$593K'16$605K'17$617K'18$629K'19$642K'20$648K'21$661K'22$675K'23$688K'24$702K'25
YearAssessed
2025$701,908
2024$688,146
2023$674,653
2022$661,425
2021$648,456
2020$641,807
2019$629,223
2018$616,886
2017$604,791
2016$592,933

Who owns this land?

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.

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

Official record: county assessor