21269 Cottonwood Ln Diamond Bar, CA 91789-0000

APN: 871-901-80-95

Lot size: ≈ 0.03 acres (1,470 SF)

Overlay zones

Overlay zones may modify the provisions of the base zone.

• error_outline CTCAC/HCD Opportunity Area
• error_outline Difficult Development Area

Note: Overlay zones are added upon request. If you would like one added contact us.

Structure details

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Assessor values

Land	$179,933	33.63%
Improvements	$355,136	66.37%
Total	$535,069

Legal description

TR=39833 LOT 95

lock Owner information - Updated February 8, 2026

Unlock this parcel for owner's name and address.

lock Parcel downloads

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• save_alt DXF AutoCAD interchange format. Includes surrounding parcel lot lines. Example DXF.
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Permits

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Geographic coordinates

Longitude: -117.84050097357253
Latitude: 34.00704594971524

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Data last checked: February 8, 2026

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Development feasibility?

Looking to further understand the development potential for a property? Have an experienced architect review the municipal code and compile a feasibility study for you. Call (619) 304-0300.