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$5,380,000

3000 Windmill

Diamond Bar, CA 91765

Active

Beds

Baths

8,725

Sq. Ft.

1975

Year Built

Los Angeles

County

SingleFamilyResidence

Property Type

About this home

**THE LAND & LOCATION** 1. PREMIER LOCATION: Perched at 1,100+ ft elevation - one of the highest points in "The Country". 2. VIEWS FOR DAYS: Unobstructed 180° Panoramic Mountain + City Light Views. 3. MASSIVE LOT: 53,055 sqft total. 21,620 sqft of FLAT, usable land. 249.71 ft corner lot frontage. 4. SECURITY: 24-Hour Gated Community. Walnut Valley USD - Diamond Bar HS 10/10. **THE STRUCTURE - BUILT TO LAST** 5. COMMERCIAL-GRADE BUILD: First owner was a commercial developer. Structure + Foundation built to commercial standards. 6. 2,000 SQFT BASEMENT: Includes a reinforced bomb shelter, currently configured as a 120-ft private indoor shooting range. 7. GUEST HOUSE: Detached 2-Bed guest quarters in the side yard. Perfect for family, staff, or income. **THE LEGACY - YOU CANNOT REPLICATE THIS** 8. THE ORCHARD: Backyard is a private botanical sanctuary with 60+ YEAR OLD trees. Avocado, Dragon Fruit, Passion, Citrus, Guava, Macadamia etc 9. WATER FEATURE: Koi Fish Pond + Waterfall for total serenity. 10. 2026 LEGACY RENOVATION: $150,000 Chef's Kitchen Renovation Complete. Featuring Full Miele Appliance Suite, Pot Filler, Double Dishwashers, Zellige Tile & Quartz Island. 5 Bedrooms, Dining & Living Room updated. Move-in ready. This property is for a buyer who values PRIVACY, SECURITY, LAND, and LEGACY.

Listed by Jen Huang · DRE #01014156 · Win Tech Investment

MLS #1176630330

ListedJul 7, 2026

Property Details

Architecture

Stories1

StyleCustom

Total Units2

RoofTile

Garage Spaces3

PoolN/A

SpaAbove Ground, Bath

Features & Amenities

Interior FeaturesBeamed Ceilings, Wet Bar, Breakfast Bar, Built In Features, Brick Walls, Balcony, Block Walls, Tray Ceilings, Ceiling Fans, Crown Molding, Cathedral Ceilings, Central Vacuum, Dry Bar, Separate Formal Dining Room, Eat In Kitchen, Granite Counters, High Ceilings, Intercom, In Law Floorplan, Country Kitchen, Open Floorplan

Exterior FeaturesAwnings, Lighting, Rain Gutters

FlooringN/A

CoolingCentral Air, Dual, Electric, Energy Star Qualified Equipment, Gas, High Efficiency, Wall Window Units, Zoned, Attic Fan

HeatingCentral, Energy Star Qualified Equipment, Fireplaces, Natural Gas, Zoned

FireplaceLiving Room

LaundryWasher Hookup, Electric Dryer Hookup, Gas Dryer Hookup, Laundry Room

Parking FeaturesControlled Entrance, Converted Garage, Covered, Driveway, Guest, Gated, Metered, Garage Faces Side

Parking Total3

Patio & PorchRear Porch, Covered, Enclosed, Patio, Porch

Entry Level1

Entry Locationstreet

Common WallsNo Common Walls

Property Features

Lot Size1.22 ac

Lot FeaturesZero To One Unit Acre, Back Yard, Corner Lot, Drip Irrigation Bubblers, Flag Lot, Garden, Gentle Sloping, Horse Property, Sprinklers In Rear, Sprinklers In Front, Lawn, Lot Over40000 Sqft, Landscaped, Level, Paved, Ranch, Sprinklers Manual, Sprinkler System, Street Level

ViewBluff, City Lights, Courtyard, Canyon, Hills, Mountains

DirectionsFrom Shadow Cyn gate, enter community, turn R onto Steeplechase, L onto Wagon Train, R onto Windmill and 1st House on L

Community

Area616 - Diamond Bar

School DistrictWalnut Valley Unified

Tax & Financial

TermsCash, Cash To Existing Loan

Land LeaseNo

HOA NameDBEA

HOA Fee$350 / Monthly

Request a Tour

Mortgage Estimate

$28,635/mo

20% down · 7% APR · 30-yr fixed

Purchase PriceDown Payment: 20%Interest Rate: 7%

Estimate only. Does not include taxes, insurance, or HOA.

Last updated: October 21, 2026 at 3:30 PM

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