Loading map...

4029 1/2 Walnut Grove Ave, Rosemead

APN 5372-020-049

Two UnitsCurrentAssessorGoogle Maps

A 4,389 sq ft vacant residential lot at 4029 1/2 Walnut Grove Ave in Rosemead, Los Angeles County (APN 5372-020-049). It is not in a CAL FIRE hazard zone and outside the FEMA flood zone (zone X). It is assessed at $643,687, with a yearly tax bill of $9,413. Property taxes are not in default.

Size

4,356sqft

Assessed

$643,687

Fire Zone

None

Not in a CAL FIRE zone

Flood Zone

X

Outside flood zone

Taxes

Current

$9,413/yr bill

Flood

Zone X — AREA OF MINIMAL FLOOD HAZARD

Outside flood zone

Low Risk

Fire

CAL FIRE hazard severity zone

None

Low 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
5372-020-049
Area
Rosemead, Los Angeles County
Assessor Use
Two Units (0200)

4,446 hrs/yr

Excellent

Summer14.4h
Winter9.9h

Loading weather...

Tax Status
Current
Yearly Tax Bill
$9,413

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

↑ 18% increase2016 → 2025
$533K'16$544K'17$555K'18$566K'19$577K'20$583K'21$595K'22$607K'23$619K'24$631K'25
YearAssessed
2025$631,066
2024$618,693
2023$606,562
2022$594,669
2021$583,009
2020$577,031
2019$565,717
2018$554,625
2017$543,750
2016$533,089

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.

Get a cash offer

Tell us you're open to selling and we'll look for a buyer. No listing, no agent fees, no obligation.

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

Official record: county assessor