3000 Windmill DR, Diamond Bar, CA 91765 (MLS # TR26147834)

Price $5,380,000
Status Active
Beds 8
Baths 7.25 Baths
Home size 8,725 sqft
Lot Size 1.22 ac
Days on Market 1
**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.
Property Type(s): Single Family
Last Updated 7/7/2026 Year Built 1975
Community 616 - Diamond Bar Garage Spaces 3.0
County Los Angeles

SCHOOLS

Jr. High School Southpoint
High School Diamond Bar

Additional Details

AIR Attic Fan, Central Air, Dual, Electric, ENERGY STAR Qualified Equipment, Gas, Wall/Window Unit(s), Zoned
AIR CONDITIONING Yes
AMENITIES Pest Control, Sewer
APPLIANCES Built-In Range, Convection Oven, Dishwasher, Disposal, Double Oven, Electric Cooktop, Electric Oven, Electric Range, ENERGY STAR Qualified Appliances, Exhaust Fan, Gas Cooktop, Gas Oven, Gas Range, Gas Water Heater, Ice Maker, Microwave, Range Hood, Refrigerator, Water Heater
AREA 616 - Diamond Bar
BASEMENT Finished, Unfinished, Yes
CONSTRUCTION Block, Brick, Concrete
EXTERIOR Awning(s), Balcony, Garden, Lighting, Rain Gutters
FIREPLACE Yes
GARAGE Attached Garage, Yes
HEAT Central, ENERGY STAR Qualified Equipment, Fireplace(s), Natural Gas, Zoned
HOA DUES 350|Monthly
INTERIOR Beamed Ceilings, Breakfast Bar, Built-in Features, Cathedral Ceiling(s), Ceiling Fan(s), Central Vacuum, Crown Molding, Dry Bar, Eat-in Kitchen, Granite Counters, High Ceilings, In-Law Floorplan, Open Floorplan, Tray Ceiling(s), Wet Bar
LOT 1.218 acre(s)
LOT DESCRIPTION Back Yard, Corner Lot, Flag Lot, Garden, Gentle Sloping, Landscaped, Level, Paved, Sprinklers In Front, Sprinklers In Rear
LOT DIMENSIONS 53055
PARKING Attached, Converted Garage, Covered, Driveway, Guest, Gated, Garage Faces Side
POOL DESCRIPTION Above Ground, Community, Fenced, Filtered, Heated, Association
SEWER Public Sewer
STORIES One, Multi/Split
STYLE Custom
UTILITIES Electricity Available, Natural Gas Available, Phone Available, Sewer Available, Water Available
VIEW Yes
VIEW DESCRIPTION City Lights, Canyon, Hills, Mountain(s)
WATER Public
WATERFRONT DESCRIPTION Pond

Location

Listed with Win Tech Investment

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